15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/views/win/hwnd_message_handler.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <dwmapi.h> 85d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include <oleacc.h> 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <shellapi.h> 105d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include <wtsapi32.h> 115d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#pragma comment(lib, "wtsapi32.lib") 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/bind.h" 142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/debug/trace_event.h" 153551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)#include "base/win/win_util.h" 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/win/windows_version.h" 17a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)#include "ui/base/touch/touch_enabled.h" 18a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "ui/base/view_prop.h" 19a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "ui/base/win/internal_constants.h" 205d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "ui/base/win/lock_state.h" 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/base/win/mouse_wheel_util.h" 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/base/win/shell.h" 232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "ui/base/win/touch_input.h" 24d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)#include "ui/events/event.h" 25d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)#include "ui/events/event_utils.h" 2668043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)#include "ui/events/gestures/gesture_sequence.h" 27d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)#include "ui/events/keycodes/keyboard_code_conversion_win.h" 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/canvas.h" 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/canvas_skia_paint.h" 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/icon_util.h" 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/insets.h" 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/path.h" 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/path_win.h" 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/screen.h" 35d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)#include "ui/gfx/win/dpi.h" 36d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)#include "ui/gfx/win/hwnd_util.h" 372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "ui/native_theme/native_theme_win.h" 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/views/views_delegate.h" 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/views/widget/monitor_win.h" 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/views/widget/widget_hwnd_utils.h" 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/views/win/fullscreen_handler.h" 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/views/win/hwnd_message_handler_delegate.h" 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/views/win/scoped_fullscreen_visibility.h" 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace views { 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// MoveLoopMouseWatcher is used to determine if the user canceled or completed a 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// move. win32 doesn't appear to offer a way to determine the result of a move, 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// so we install hooks to determine if we got a mouse up and assume the move 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// completed. 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class MoveLoopMouseWatcher { 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 5468043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) MoveLoopMouseWatcher(HWNDMessageHandler* host, bool hide_on_escape); 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ~MoveLoopMouseWatcher(); 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns true if the mouse is up, or if we couldn't install the hook. 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool got_mouse_up() const { return got_mouse_up_; } 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Instance that owns the hook. We only allow one instance to hook the mouse 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // at a time. 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static MoveLoopMouseWatcher* instance_; 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Key and mouse callbacks from the hook. 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static LRESULT CALLBACK MouseHook(int n_code, WPARAM w_param, LPARAM l_param); 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static LRESULT CALLBACK KeyHook(int n_code, WPARAM w_param, LPARAM l_param); 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void Unhook(); 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // HWNDMessageHandler that created us. 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HWNDMessageHandler* host_; 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7468043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) // Should the window be hidden when escape is pressed? 7568043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) const bool hide_on_escape_; 7668043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Did we get a mouse up? 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool got_mouse_up_; 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Hook identifiers. 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HHOOK mouse_hook_; 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HHOOK key_hook_; 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(MoveLoopMouseWatcher); 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)MoveLoopMouseWatcher* MoveLoopMouseWatcher::instance_ = NULL; 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9068043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)MoveLoopMouseWatcher::MoveLoopMouseWatcher(HWNDMessageHandler* host, 9168043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) bool hide_on_escape) 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : host_(host), 9368043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) hide_on_escape_(hide_on_escape), 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) got_mouse_up_(false), 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mouse_hook_(NULL), 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) key_hook_(NULL) { 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Only one instance can be active at a time. 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (instance_) 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) instance_->Unhook(); 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mouse_hook_ = SetWindowsHookEx( 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WH_MOUSE, &MouseHook, NULL, GetCurrentThreadId()); 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (mouse_hook_) { 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) instance_ = this; 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We don't care if setting the key hook succeeded. 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) key_hook_ = SetWindowsHookEx( 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WH_KEYBOARD, &KeyHook, NULL, GetCurrentThreadId()); 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (instance_ != this) { 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Failed installation. Assume we got a mouse up in this case, otherwise 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // we'll think all drags were canceled. 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) got_mouse_up_ = true; 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)MoveLoopMouseWatcher::~MoveLoopMouseWatcher() { 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Unhook(); 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MoveLoopMouseWatcher::Unhook() { 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (instance_ != this) 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(mouse_hook_); 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UnhookWindowsHookEx(mouse_hook_); 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (key_hook_) 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UnhookWindowsHookEx(key_hook_); 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) key_hook_ = NULL; 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mouse_hook_ = NULL; 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) instance_ = NULL; 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LRESULT CALLBACK MoveLoopMouseWatcher::MouseHook(int n_code, 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WPARAM w_param, 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LPARAM l_param) { 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(instance_); 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (n_code == HC_ACTION && w_param == WM_LBUTTONUP) 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) instance_->got_mouse_up_ = true; 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return CallNextHookEx(instance_->mouse_hook_, n_code, w_param, l_param); 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LRESULT CALLBACK MoveLoopMouseWatcher::KeyHook(int n_code, 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WPARAM w_param, 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LPARAM l_param) { 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (n_code == HC_ACTION && w_param == VK_ESCAPE) { 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (base::win::GetVersion() >= base::win::VERSION_VISTA) { 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int value = TRUE; 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HRESULT result = DwmSetWindowAttribute( 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) instance_->host_->hwnd(), 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DWMWA_TRANSITIONS_FORCEDISABLED, 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &value, 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sizeof(value)); 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 15668043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) if (instance_->hide_on_escape_) 15768043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) instance_->host_->Hide(); 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return CallNextHookEx(instance_->key_hook_, n_code, w_param, l_param); 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Called from OnNCActivate. 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)BOOL CALLBACK EnumChildWindowsForRedraw(HWND hwnd, LPARAM lparam) { 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DWORD process_id; 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetWindowThreadProcessId(hwnd, &process_id); 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int flags = RDW_INVALIDATE | RDW_NOCHILDREN | RDW_FRAME; 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (process_id == GetCurrentProcessId()) 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) flags |= RDW_UPDATENOW; 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RedrawWindow(hwnd, NULL, NULL, flags); 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return TRUE; 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool GetMonitorAndRects(const RECT& rect, 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HMONITOR* monitor, 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Rect* monitor_rect, 1765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Rect* work_area) { 1775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(monitor); 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(monitor_rect); 1795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(work_area); 1805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *monitor = MonitorFromRect(&rect, MONITOR_DEFAULTTONULL); 1815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!*monitor) 1825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MONITORINFO monitor_info = { 0 }; 1845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) monitor_info.cbSize = sizeof(monitor_info); 1855d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) GetMonitorInfo(*monitor, &monitor_info); 1865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *monitor_rect = gfx::Rect(monitor_info.rcMonitor); 1875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *work_area = gfx::Rect(monitor_info.rcWork); 1885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 1895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct FindOwnedWindowsData { 1925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HWND window; 1935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::vector<Widget*> owned_widgets; 1945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 1955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Enables or disables the menu item for the specified command and menu. 1975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void EnableMenuItemByCommand(HMENU menu, UINT command, bool enabled) { 1985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UINT flags = MF_BYCOMMAND | (enabled ? MF_ENABLED : MF_DISABLED | MF_GRAYED); 1995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EnableMenuItem(menu, command, flags); 2005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Callback used to notify child windows that the top level window received a 2035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// DWMCompositionChanged message. 2045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)BOOL CALLBACK SendDwmCompositionChanged(HWND window, LPARAM param) { 2055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SendMessage(window, WM_DWMCOMPOSITIONCHANGED, 0, 0); 2065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return TRUE; 2075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// See comments in OnNCPaint() for details of this struct. 2105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct ClipState { 2115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The window being painted. 2125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HWND parent; 2135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // DC painting to. 2155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HDC dc; 2165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Origin of the window in terms of the screen. 2185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int x; 2195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int y; 2205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 2215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// See comments in OnNCPaint() for details of this function. 2235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static BOOL CALLBACK ClipDCToChild(HWND window, LPARAM param) { 2245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ClipState* clip_state = reinterpret_cast<ClipState*>(param); 2255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (GetParent(window) == clip_state->parent && IsWindowVisible(window)) { 2265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RECT bounds; 2275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetWindowRect(window, &bounds); 2285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ExcludeClipRect(clip_state->dc, 2295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bounds.left - clip_state->x, 2305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bounds.top - clip_state->y, 2315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bounds.right - clip_state->x, 2325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bounds.bottom - clip_state->y); 2335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return TRUE; 2355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// The thickness of an auto-hide taskbar in pixels. 2385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const int kAutoHideTaskbarThicknessPx = 2; 2395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2405d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)bool IsTopLevelWindow(HWND window) { 2415d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) long style = ::GetWindowLong(window, GWL_STYLE); 2425d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!(style & WS_CHILD)) 2435d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return true; 2445d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) HWND parent = ::GetParent(window); 2455d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return !parent || (parent == ::GetDesktopWindow()); 2465d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 2475d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 2485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void AddScrollStylesToWindow(HWND window) { 2495d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (::IsWindow(window)) { 2505d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) long current_style = ::GetWindowLong(window, GWL_STYLE); 2515d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ::SetWindowLong(window, GWL_STYLE, 2525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) current_style | WS_VSCROLL | WS_HSCROLL); 2535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 2545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 2555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 256a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)const int kTouchDownContextResetTimeout = 500; 257a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 258c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch// Windows does not flag synthesized mouse messages from touch in all cases. 259c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch// This causes us grief as we don't want to process touch and mouse messages 260c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch// concurrently. Hack as per msdn is to check if the time difference between 261c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch// the touch message and the mouse move is within 500 ms and at the same 262c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch// location as the cursor. 263c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdochconst int kSynthesizedMouseTouchMessagesTimeDifference = 500; 264c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch 2655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 2665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// A scoping class that prevents a window from being able to redraw in response 2685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// to invalidations that may occur within it for the lifetime of the object. 2695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 2705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Why would we want such a thing? Well, it turns out Windows has some 2715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// "unorthodox" behavior when it comes to painting its non-client areas. 2725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Occasionally, Windows will paint portions of the default non-client area 2735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// right over the top of the custom frame. This is not simply fixed by handling 2745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// WM_NCPAINT/WM_PAINT, with some investigation it turns out that this 2755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// rendering is being done *inside* the default implementation of some message 2765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// handlers and functions: 2775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// . WM_SETTEXT 2785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// . WM_SETICON 2795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// . WM_NCLBUTTONDOWN 2805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// . EnableMenuItem, called from our WM_INITMENU handler 2815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// The solution is to handle these messages and call DefWindowProc ourselves, 2825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// but prevent the window from being able to update itself for the duration of 2835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// the call. We do this with this class, which automatically calls its 2845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// associated Window's lock and unlock functions as it is created and destroyed. 2855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// See documentation in those methods for the technique used. 2865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 2875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// The lock only has an effect if the window was visible upon lock creation, as 2885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// it doesn't guard against direct visiblility changes, and multiple locks may 2895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// exist simultaneously to handle certain nested Windows messages. 2905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 2915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// IMPORTANT: Do not use this scoping object for large scopes or periods of 2925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// time! IT WILL PREVENT THE WINDOW FROM BEING REDRAWN! (duh). 2935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 2945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// I would love to hear Raymond Chen's explanation for all this. And maybe a 2955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// list of other messages that this applies to ;-) 2965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class HWNDMessageHandler::ScopedRedrawLock { 2975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 2985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) explicit ScopedRedrawLock(HWNDMessageHandler* owner) 2995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : owner_(owner), 3005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) hwnd_(owner_->hwnd()), 3015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) was_visible_(owner_->IsVisible()), 3025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) cancel_unlock_(false), 3035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) force_(!(GetWindowLong(hwnd_, GWL_STYLE) & WS_CAPTION)) { 3045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (was_visible_ && ::IsWindow(hwnd_)) 3055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) owner_->LockUpdates(force_); 3065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ~ScopedRedrawLock() { 3095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!cancel_unlock_ && was_visible_ && ::IsWindow(hwnd_)) 3105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) owner_->UnlockUpdates(force_); 3115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Cancel the unlock operation, call this if the Widget is being destroyed. 3145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void CancelUnlockOperation() { cancel_unlock_ = true; } 3155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 3175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The owner having its style changed. 3185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HWNDMessageHandler* owner_; 3195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The owner's HWND, cached to avoid action after window destruction. 3205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HWND hwnd_; 3215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Records the HWND visibility at the time of creation. 3225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool was_visible_; 3235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // A flag indicating that the unlock operation was canceled. 3245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool cancel_unlock_; 3255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If true, perform the redraw lock regardless of Aero state. 3265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool force_; 3275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(ScopedRedrawLock); 3295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 3305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 3325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// HWNDMessageHandler, public: 3335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 334c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdochlong HWNDMessageHandler::last_touch_message_time_ = 0; 335c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch 3365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)HWNDMessageHandler::HWNDMessageHandler(HWNDMessageHandlerDelegate* delegate) 3375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : delegate_(delegate), 338c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) fullscreen_handler_(new FullscreenHandler), 33958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) weak_factory_(this), 34058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) waiting_for_close_now_(false), 3415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) remove_standard_frame_(false), 3425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) use_system_default_icon_(false), 3435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) restored_enabled_(false), 344a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) current_cursor_(NULL), 3455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) previous_cursor_(NULL), 3465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) active_mouse_tracking_flags_(0), 3475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) is_right_mouse_pressed_on_caption_(false), 3485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) lock_updates_count_(0), 3495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ignore_window_pos_changes_(false), 3505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_monitor_(NULL), 3515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) use_layered_buffer_(false), 3525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) layered_alpha_(255), 35358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) waiting_for_redraw_layered_window_contents_(false), 354eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch is_first_nccalc_(true), 3555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) menu_depth_(0), 3563551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) autohide_factory_(this), 3575d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) id_generator_(0), 3585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) needs_scroll_styles_(false), 359a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) in_size_loop_(false), 360cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) touch_down_contexts_(0), 3615c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu last_mouse_hwheel_time_(0), 3625c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu msg_handled_(FALSE) { 3635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)HWNDMessageHandler::~HWNDMessageHandler() { 3665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_ = NULL; 3675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Prevent calls back into this class via WNDPROC now that we've been 3685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // destroyed. 3695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ClearUserData(); 3705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::Init(HWND parent, const gfx::Rect& bounds) { 3732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TRACE_EVENT0("views", "HWNDMessageHandler::Init"); 3745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetMonitorAndRects(bounds.ToRECT(), &last_monitor_, &last_monitor_rect_, 3755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &last_work_area_); 3765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Create the window. 3785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WindowImpl::Init(parent, bounds); 379a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // TODO(ananta) 380a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // Remove the scrolling hack code once we have scrolling working well. 381a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#if defined(ENABLE_SCROLL_HACK) 3825d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Certain trackpad drivers on Windows have bugs where in they don't generate 3835d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // WM_MOUSEWHEEL messages for the trackpoint and trackpad scrolling gestures 3845d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // unless there is an entry for Chrome with the class name of the Window. 3855d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // These drivers check if the window under the trackpoint has the WS_VSCROLL/ 3865d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // WS_HSCROLL style and if yes they generate the legacy WM_VSCROLL/WM_HSCROLL 3875d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // messages. We add these styles to ensure that trackpad/trackpoint scrolling 3885d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // work. 3895d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // TODO(ananta) 3905d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Look into moving the WS_VSCROLL and WS_HSCROLL style setting logic to the 3915d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // CalculateWindowStylesFromInitParams function. Doing it there seems to 3925d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // cause some interactive tests to fail. Investigation needed. 3935d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (IsTopLevelWindow(hwnd())) { 3945d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) long current_style = ::GetWindowLong(hwnd(), GWL_STYLE); 3955d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!(current_style & WS_POPUP)) { 3965d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) AddScrollStylesToWindow(hwnd()); 3975d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) needs_scroll_styles_ = true; 3985d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 3995d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 4005d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#endif 401a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 402a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) prop_window_target_.reset(new ui::ViewProp(hwnd(), 403a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ui::WindowEventTarget::kWin32InputEventTarget, 404a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) static_cast<ui::WindowEventTarget*>(this))); 4055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::InitModalType(ui::ModalType modal_type) { 4085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (modal_type == ui::MODAL_TYPE_NONE) 4095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 4105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We implement modality by crawling up the hierarchy of windows starting 4115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // at the owner, disabling all of them so that they don't receive input 4125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // messages. 4135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HWND start = ::GetWindow(hwnd(), GW_OWNER); 4145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) while (start) { 4155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ::EnableWindow(start, FALSE); 4165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) start = ::GetParent(start); 4175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::Close() { 4215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!IsWindow(hwnd())) 4225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; // No need to do anything. 4235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Let's hide ourselves right away. 4255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Hide(); 4265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Modal dialog windows disable their owner windows; re-enable them now so 4285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // they can activate as foreground windows upon this window's destruction. 4295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RestoreEnabledIfNecessary(); 4305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 43158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) if (!waiting_for_close_now_) { 4325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // And we delay the close so that if we are called from an ATL callback, 4335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // we don't destroy the window before the callback returned (as the caller 4345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // may delete ourselves on destroy and the ATL callback would still 4355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // dereference us when the callback returns). 43658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) waiting_for_close_now_ = true; 437c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::MessageLoop::current()->PostTask( 4385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FROM_HERE, 43958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) base::Bind(&HWNDMessageHandler::CloseNow, weak_factory_.GetWeakPtr())); 4405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::CloseNow() { 4445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We may already have been destroyed if the selection resulted in a tab 4455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // switch which will have reactivated the browser window and closed us, so 4465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // we need to check to see if we're still a window before trying to destroy 4475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // ourself. 44858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) waiting_for_close_now_ = false; 4495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (IsWindow(hwnd())) 4505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DestroyWindow(hwnd()); 4515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)gfx::Rect HWNDMessageHandler::GetWindowBoundsInScreen() const { 4545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RECT r; 4555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetWindowRect(hwnd(), &r); 4565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return gfx::Rect(r); 4575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)gfx::Rect HWNDMessageHandler::GetClientAreaBoundsInScreen() const { 4605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RECT r; 4615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetClientRect(hwnd(), &r); 4625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) POINT point = { r.left, r.top }; 4635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ClientToScreen(hwnd(), &point); 4645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return gfx::Rect(point.x, point.y, r.right - r.left, r.bottom - r.top); 4655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)gfx::Rect HWNDMessageHandler::GetRestoredBounds() const { 4685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If we're in fullscreen mode, we've changed the normal bounds to the monitor 4695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // rect, so return the saved bounds instead. 4705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (fullscreen_handler_->fullscreen()) 4715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return fullscreen_handler_->GetRestoreBounds(); 4725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Rect bounds; 4745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetWindowPlacement(&bounds, NULL); 4755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return bounds; 4765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4785d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)gfx::Rect HWNDMessageHandler::GetClientAreaBounds() const { 4795d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (IsMinimized()) 4805d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return gfx::Rect(); 4815d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (delegate_->WidgetSizeIsClientSize()) 4825d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return GetClientAreaBoundsInScreen(); 4835d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return GetWindowBoundsInScreen(); 4845d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 4855d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 4865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::GetWindowPlacement( 4875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Rect* bounds, 4885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ui::WindowShowState* show_state) const { 4895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WINDOWPLACEMENT wp; 4905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) wp.length = sizeof(wp); 4915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const bool succeeded = !!::GetWindowPlacement(hwnd(), &wp); 4925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(succeeded); 4935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (bounds != NULL) { 4955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (wp.showCmd == SW_SHOWNORMAL) { 4965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // GetWindowPlacement can return misleading position if a normalized 4975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // window was resized using Aero Snap feature (see comment 9 in bug 4985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 36421). As a workaround, using GetWindowRect for normalized windows. 4995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const bool succeeded = GetWindowRect(hwnd(), &wp.rcNormalPosition) != 0; 5005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(succeeded); 5015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *bounds = gfx::Rect(wp.rcNormalPosition); 5035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 5045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MONITORINFO mi; 5055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mi.cbSize = sizeof(mi); 5065d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const bool succeeded = GetMonitorInfo( 5075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MonitorFromWindow(hwnd(), MONITOR_DEFAULTTONEAREST), &mi) != 0; 5085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(succeeded); 5095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *bounds = gfx::Rect(wp.rcNormalPosition); 5115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Convert normal position from workarea coordinates to screen 5125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // coordinates. 5135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bounds->Offset(mi.rcWork.left - mi.rcMonitor.left, 5145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mi.rcWork.top - mi.rcMonitor.top); 5155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (show_state) { 5195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (wp.showCmd == SW_SHOWMAXIMIZED) 5205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *show_state = ui::SHOW_STATE_MAXIMIZED; 5215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else if (wp.showCmd == SW_SHOWMINIMIZED) 5225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *show_state = ui::SHOW_STATE_MINIMIZED; 5235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 5245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *show_state = ui::SHOW_STATE_NORMAL; 5255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 528cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void HWNDMessageHandler::SetBounds(const gfx::Rect& bounds_in_pixels, 529cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) bool force_size_changed) { 5305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LONG style = GetWindowLong(hwnd(), GWL_STYLE); 5315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (style & WS_MAXIMIZE) 5325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetWindowLong(hwnd(), GWL_STYLE, style & ~WS_MAXIMIZE); 533cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 534cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) gfx::Size old_size = GetClientAreaBounds().size(); 5357d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) SetWindowPos(hwnd(), NULL, bounds_in_pixels.x(), bounds_in_pixels.y(), 5367d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) bounds_in_pixels.width(), bounds_in_pixels.height(), 5377d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) SWP_NOACTIVATE | SWP_NOZORDER); 538cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 539cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // If HWND size is not changed, we will not receive standard size change 540cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // notifications. If |force_size_changed| is |true|, we should pretend size is 541cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // changed. 542cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (old_size == bounds_in_pixels.size() && force_size_changed) { 543cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) delegate_->HandleClientSizeChanged(GetClientAreaBounds().size()); 544cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) ResetWindowRegion(false, true); 545cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) } 5465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::SetSize(const gfx::Size& size) { 5495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetWindowPos(hwnd(), NULL, 0, 0, size.width(), size.height(), 5505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SWP_NOACTIVATE | SWP_NOZORDER | SWP_NOMOVE); 5515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::CenterWindow(const gfx::Size& size) { 5545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HWND parent = GetParent(hwnd()); 5555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!IsWindow(hwnd())) 5565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) parent = ::GetWindow(hwnd(), GW_OWNER); 557d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) gfx::CenterAndSizeWindow(parent, hwnd(), size); 5585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::SetRegion(HRGN region) { 561a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) custom_window_region_.Set(region); 562a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) ResetWindowRegion(false, true); 5635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) UpdateDwmNcRenderingPolicy(); 5645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::StackAbove(HWND other_hwnd) { 5675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetWindowPos(hwnd(), other_hwnd, 0, 0, 0, 0, 5685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE); 5695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::StackAtTop() { 5725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetWindowPos(hwnd(), HWND_TOP, 0, 0, 0, 0, 5735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE); 5745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::Show() { 5775d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (IsWindow(hwnd())) { 5785d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!(GetWindowLong(hwnd(), GWL_EXSTYLE) & WS_EX_TRANSPARENT) && 5795d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) !(GetWindowLong(hwnd(), GWL_EXSTYLE) & WS_EX_NOACTIVATE)) { 5805d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ShowWindowWithState(ui::SHOW_STATE_NORMAL); 5815d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } else { 5825d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ShowWindowWithState(ui::SHOW_STATE_INACTIVE); 5835d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 5845d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 5855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::ShowWindowWithState(ui::WindowShowState show_state) { 5882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TRACE_EVENT0("views", "HWNDMessageHandler::ShowWindowWithState"); 5895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DWORD native_show_state; 5905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (show_state) { 5915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case ui::SHOW_STATE_INACTIVE: 5925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) native_show_state = SW_SHOWNOACTIVATE; 5935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 5945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case ui::SHOW_STATE_MAXIMIZED: 5955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) native_show_state = SW_SHOWMAXIMIZED; 5965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 5975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case ui::SHOW_STATE_MINIMIZED: 5985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) native_show_state = SW_SHOWMINIMIZED; 5995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 6005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default: 6015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) native_show_state = delegate_->GetInitialShowState(); 6025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 6035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6055d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ShowWindow(hwnd(), native_show_state); 6065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // When launched from certain programs like bash and Windows Live Messenger, 6075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // show_state is set to SW_HIDE, so we need to correct that condition. We 6085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // don't just change show_state to SW_SHOWNORMAL because MSDN says we must 6095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // always first call ShowWindow with the specified value from STARTUPINFO, 6105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // otherwise all future ShowWindow calls will be ignored (!!#@@#!). Instead, 6115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // we call ShowWindow again in this case. 6125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (native_show_state == SW_HIDE) { 6135d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) native_show_state = SW_SHOWNORMAL; 6145d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ShowWindow(hwnd(), native_show_state); 6155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We need to explicitly activate the window if we've been shown with a state 6185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // that should activate, because if we're opened from a desktop shortcut while 6195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // an existing window is already running it doesn't seem to be enough to use 6205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // one of these flags to activate the window. 6215d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (native_show_state == SW_SHOWNORMAL || 6225d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) native_show_state == SW_SHOWMAXIMIZED) 6235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Activate(); 6245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6255d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!delegate_->HandleInitialFocus(show_state)) 6265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetInitialFocus(); 6275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::ShowMaximizedWithBounds(const gfx::Rect& bounds) { 6305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WINDOWPLACEMENT placement = { 0 }; 6315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) placement.length = sizeof(WINDOWPLACEMENT); 6325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) placement.showCmd = SW_SHOWMAXIMIZED; 6335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) placement.rcNormalPosition = bounds.ToRECT(); 6345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetWindowPlacement(hwnd(), &placement); 6355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::Hide() { 6385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (IsWindow(hwnd())) { 6395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // NOTE: Be careful not to activate any windows here (for example, calling 6405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // ShowWindow(SW_HIDE) will automatically activate another window). This 6415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // code can be called while a window is being deactivated, and activating 6425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // another window will screw up the activation that is already in progress. 6435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetWindowPos(hwnd(), NULL, 0, 0, 0, 0, 6445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SWP_HIDEWINDOW | SWP_NOACTIVATE | SWP_NOMOVE | 6455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SWP_NOREPOSITION | SWP_NOSIZE | SWP_NOZORDER); 6465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::Maximize() { 6505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ExecuteSystemMenuCommand(SC_MAXIMIZE); 6515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::Minimize() { 6545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ExecuteSystemMenuCommand(SC_MINIMIZE); 6555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->HandleNativeBlur(NULL); 6565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::Restore() { 6595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ExecuteSystemMenuCommand(SC_RESTORE); 6605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::Activate() { 6635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (IsMinimized()) 6645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ::ShowWindow(hwnd(), SW_RESTORE); 6655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ::SetWindowPos(hwnd(), HWND_TOP, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE); 6665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetForegroundWindow(hwnd()); 6675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::Deactivate() { 6705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HWND next_hwnd = ::GetNextWindow(hwnd(), GW_HWNDNEXT); 6717dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch while (next_hwnd) { 6727dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch if (::IsWindowVisible(next_hwnd)) { 6737dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch ::SetForegroundWindow(next_hwnd); 6747dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch return; 6757dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch } 6767dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch next_hwnd = ::GetNextWindow(next_hwnd, GW_HWNDNEXT); 6777dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch } 6785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::SetAlwaysOnTop(bool on_top) { 6815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ::SetWindowPos(hwnd(), on_top ? HWND_TOPMOST : HWND_NOTOPMOST, 6825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE); 6835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool HWNDMessageHandler::IsVisible() const { 6865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return !!::IsWindowVisible(hwnd()); 6875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool HWNDMessageHandler::IsActive() const { 6905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return GetActiveWindow() == hwnd(); 6915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool HWNDMessageHandler::IsMinimized() const { 6945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return !!::IsIconic(hwnd()); 6955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool HWNDMessageHandler::IsMaximized() const { 6985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return !!::IsZoomed(hwnd()); 6995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7014e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles)bool HWNDMessageHandler::IsAlwaysOnTop() const { 7024e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) return (GetWindowLong(hwnd(), GWL_EXSTYLE) & WS_EX_TOPMOST) != 0; 7034e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles)} 7044e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) 70568043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)bool HWNDMessageHandler::RunMoveLoop(const gfx::Vector2d& drag_offset, 70668043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) bool hide_on_escape) { 7075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ReleaseCapture(); 70868043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) MoveLoopMouseWatcher watcher(this, hide_on_escape); 70968043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) // In Aura, we handle touch events asynchronously. So we need to allow nested 71068043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) // tasks while in windows move loop. 71168043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) base::MessageLoop::ScopedNestableTaskAllower allow_nested( 71268043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) base::MessageLoop::current()); 713a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 7145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SendMessage(hwnd(), WM_SYSCOMMAND, SC_MOVE | 0x0002, GetMessagePos()); 7155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Windows doesn't appear to offer a way to determine whether the user 7165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // canceled the move or not. We assume if the user released the mouse it was 7175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // successful. 7185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return watcher.got_mouse_up(); 7195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::EndMoveLoop() { 7225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SendMessage(hwnd(), WM_CANCELMODE, 0, 0); 7235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::SendFrameChanged() { 7265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetWindowPos(hwnd(), NULL, 0, 0, 0, 0, 7275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SWP_FRAMECHANGED | SWP_NOACTIVATE | SWP_NOCOPYBITS | 7285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SWP_NOMOVE | SWP_NOOWNERZORDER | SWP_NOREPOSITION | 7295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SWP_NOSENDCHANGING | SWP_NOSIZE | SWP_NOZORDER); 7305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::FlashFrame(bool flash) { 7335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FLASHWINFO fwi; 7345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fwi.cbSize = sizeof(fwi); 7355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fwi.hwnd = hwnd(); 7365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (flash) { 7375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fwi.dwFlags = FLASHW_ALL; 7385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fwi.uCount = 4; 7395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fwi.dwTimeout = 0; 7405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 7415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fwi.dwFlags = FLASHW_STOP; 7425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FlashWindowEx(&fwi); 7445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::ClearNativeFocus() { 7475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ::SetFocus(hwnd()); 7485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::SetCapture() { 7515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(!HasCapture()); 7525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ::SetCapture(hwnd()); 7535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::ReleaseCapture() { 756c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (HasCapture()) 757c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) ::ReleaseCapture(); 7585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool HWNDMessageHandler::HasCapture() const { 7615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ::GetCapture() == hwnd(); 7625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::SetVisibilityChangedAnimationsEnabled(bool enabled) { 7655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (base::win::GetVersion() >= base::win::VERSION_VISTA) { 7665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int dwm_value = enabled ? FALSE : TRUE; 7675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DwmSetWindowAttribute( 7685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) hwnd(), DWMWA_TRANSITIONS_FORCEDISABLED, &dwm_value, sizeof(dwm_value)); 7695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7725d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)bool HWNDMessageHandler::SetTitle(const base::string16& title) { 7735d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::string16 current_title; 774a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) size_t len_with_null = GetWindowTextLength(hwnd()) + 1; 775a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) if (len_with_null == 1 && title.length() == 0) 776a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return false; 777a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) if (len_with_null - 1 == title.length() && 778a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) GetWindowText( 779a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) hwnd(), WriteInto(¤t_title, len_with_null), len_with_null) && 780a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) current_title == title) 781a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return false; 7825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetWindowText(hwnd(), title.c_str()); 783a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return true; 7845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::SetCursor(HCURSOR cursor) { 7875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (cursor) { 7885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) previous_cursor_ = ::SetCursor(cursor); 789a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) current_cursor_ = cursor; 7905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else if (previous_cursor_) { 7915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ::SetCursor(previous_cursor_); 7925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) previous_cursor_ = NULL; 7935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::FrameTypeChanged() { 7975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Called when the frame type could possibly be changing (theme change or 7985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // DWM composition change). 799a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) UpdateDwmNcRenderingPolicy(); 800a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 801f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) // Don't redraw the window here, because we need to hide and show the window 802f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) // which will also trigger a redraw. 803f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) ResetWindowRegion(true, false); 8045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The non-client view needs to update too. 8065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->HandleFrameChanged(); 8075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 808f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (IsVisible() && !delegate_->IsUsingCustomFrame()) { 809f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) // For some reason, we need to hide the window after we change from a custom 810f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) // frame to a native frame. If we don't, the client area will be filled 811f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) // with black. This seems to be related to an interaction between DWM and 812f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) // SetWindowRgn, but the details aren't clear. Additionally, we need to 813f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) // specify SWP_NOZORDER here, otherwise if you have multiple chrome windows 814f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) // open they will re-appear with a non-deterministic Z-order. 815f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) UINT flags = SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER; 816f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) SetWindowPos(hwnd(), NULL, 0, 0, 0, 0, flags | SWP_HIDEWINDOW); 817f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) SetWindowPos(hwnd(), NULL, 0, 0, 0, 0, flags | SWP_SHOWWINDOW); 818a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // Invalidate the window to force a paint. There may be child windows which 819a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // could resize in this context. Don't paint right away. 820a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ::InvalidateRect(hwnd(), NULL, FALSE); 821f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) } 822f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 8235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // WM_DWMCOMPOSITIONCHANGED is only sent to top level windows, however we want 8245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // to notify our children too, since we can have MDI child windows who need to 8255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // update their appearance. 8265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EnumChildWindows(hwnd(), &SendDwmCompositionChanged, NULL); 8275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 8285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::SchedulePaintInRect(const gfx::Rect& rect) { 8305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (use_layered_buffer_) { 8315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We must update the back-buffer immediately, since Windows' handling of 8325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // invalid rects is somewhat mysterious. 8335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) invalid_rect_.Union(rect); 8345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // In some situations, such as drag and drop, when Windows itself runs a 8365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // nested message loop our message loop appears to be starved and we don't 8375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // receive calls to DidProcessMessage(). This only seems to affect layered 8385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // windows, so we schedule a redraw manually using a task, since those never 8395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // seem to be starved. Also, wtf. 84058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) if (!waiting_for_redraw_layered_window_contents_) { 84158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) waiting_for_redraw_layered_window_contents_ = true; 842c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::MessageLoop::current()->PostTask( 8435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FROM_HERE, 8445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Bind(&HWNDMessageHandler::RedrawLayeredWindowContents, 84558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) weak_factory_.GetWeakPtr())); 8465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 8485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // InvalidateRect() expects client coordinates. 8495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RECT r = rect.ToRECT(); 8505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) InvalidateRect(hwnd(), &r, FALSE); 8515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 8535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::SetOpacity(BYTE opacity) { 8555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) layered_alpha_ = opacity; 8565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 8575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::SetWindowIcons(const gfx::ImageSkia& window_icon, 8595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::ImageSkia& app_icon) { 8605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!window_icon.isNull()) { 8612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) HICON windows_icon = IconUtil::CreateHICONFromSkBitmap( 8622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) *window_icon.bitmap()); 8635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We need to make sure to destroy the previous icon, otherwise we'll leak 8645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // these GDI objects until we crash! 8655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HICON old_icon = reinterpret_cast<HICON>( 8665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SendMessage(hwnd(), WM_SETICON, ICON_SMALL, 8675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) reinterpret_cast<LPARAM>(windows_icon))); 8685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (old_icon) 8695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DestroyIcon(old_icon); 8705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!app_icon.isNull()) { 8722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) HICON windows_icon = IconUtil::CreateHICONFromSkBitmap(*app_icon.bitmap()); 8735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HICON old_icon = reinterpret_cast<HICON>( 8745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SendMessage(hwnd(), WM_SETICON, ICON_BIG, 8755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) reinterpret_cast<LPARAM>(windows_icon))); 8765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (old_icon) 8775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DestroyIcon(old_icon); 8785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 8805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 8825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// HWNDMessageHandler, InputMethodDelegate implementation: 8835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::DispatchKeyEventPostIME(const ui::KeyEvent& key) { 8855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetMsgHandled(delegate_->HandleKeyEvent(key)); 8865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 8875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 889d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)// HWNDMessageHandler, gfx::WindowImpl overrides: 8905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)HICON HWNDMessageHandler::GetDefaultWindowIcon() const { 8925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (use_system_default_icon_) 8935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 8945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ViewsDelegate::views_delegate ? 8955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ViewsDelegate::views_delegate->GetDefaultWindowIcon() : NULL; 8965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 8975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LRESULT HWNDMessageHandler::OnWndProc(UINT message, 8995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WPARAM w_param, 9005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LPARAM l_param) { 9015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HWND window = hwnd(); 9025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LRESULT result = 0; 9035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (delegate_ && delegate_->PreHandleMSG(message, w_param, l_param, &result)) 9055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return result; 9065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Otherwise we handle everything else. 90858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // NOTE: We inline ProcessWindowMessage() as 'this' may be destroyed during 90958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // dispatch and ProcessWindowMessage() doesn't deal with that well. 9101e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) const BOOL old_msg_handled = msg_handled_; 91158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) base::WeakPtr<HWNDMessageHandler> ref(weak_factory_.GetWeakPtr()); 91258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) const BOOL processed = 91358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) _ProcessWindowMessage(window, message, w_param, l_param, result, 0); 91458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) if (!ref) 91558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) return 0; 9161e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) msg_handled_ = old_msg_handled; 91758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 91858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) if (!processed) 9195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) result = DefWindowProc(window, message, w_param, l_param); 9205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // DefWindowProc() may have destroyed the window in a nested message loop. 9225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!::IsWindow(window)) 9235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return result; 9245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 925cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (delegate_) { 9265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->PostHandleMSG(message, w_param, l_param); 927cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (message == WM_NCDESTROY) 9285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->HandleDestroyed(); 9295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 9305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 931010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) if (message == WM_ACTIVATE && IsTopLevelWindow(window)) 93268043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) PostProcessActivateMessage(LOWORD(w_param), !!HIWORD(w_param)); 9335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return result; 9345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 9355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 936a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)LRESULT HWNDMessageHandler::HandleMouseMessage(unsigned int message, 937a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) WPARAM w_param, 938a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) LPARAM l_param) { 939a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // Don't track forwarded mouse messages. We expect the caller to track the 940a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // mouse. 941a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return HandleMouseEventInternal(message, w_param, l_param, false); 942a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} 943a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 944a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)LRESULT HWNDMessageHandler::HandleTouchMessage(unsigned int message, 945a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) WPARAM w_param, 946a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) LPARAM l_param) { 947a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return OnTouchEvent(message, w_param, l_param); 948a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} 949a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 950a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)LRESULT HWNDMessageHandler::HandleKeyboardMessage(unsigned int message, 951a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) WPARAM w_param, 952a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) LPARAM l_param) { 953a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return OnKeyEvent(message, w_param, l_param); 954a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} 955a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 956a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)LRESULT HWNDMessageHandler::HandleScrollMessage(unsigned int message, 957a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) WPARAM w_param, 958a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) LPARAM l_param) { 959a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return OnScrollMessage(message, w_param, l_param); 960a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} 961a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 962a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)LRESULT HWNDMessageHandler::HandleNcHitTestMessage(unsigned int message, 963a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) WPARAM w_param, 964a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) LPARAM l_param) { 965a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return OnNCHitTest( 966a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) gfx::Point(CR_GET_X_LPARAM(l_param), CR_GET_Y_LPARAM(l_param))); 967a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} 968a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 9695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 9705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// HWNDMessageHandler, private: 9715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 972eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdochint HWNDMessageHandler::GetAppbarAutohideEdges(HMONITOR monitor) { 973eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch autohide_factory_.InvalidateWeakPtrs(); 9740529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch return ViewsDelegate::views_delegate ? 9750529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch ViewsDelegate::views_delegate->GetAppbarAutohideEdges( 9760529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch monitor, 9770529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch base::Bind(&HWNDMessageHandler::OnAppbarAutohideEdgesChanged, 9780529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch autohide_factory_.GetWeakPtr())) : 9790529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch ViewsDelegate::EDGE_BOTTOM; 980eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch} 981eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 982eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdochvoid HWNDMessageHandler::OnAppbarAutohideEdgesChanged() { 983eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch // This triggers querying WM_NCCALCSIZE again. 984eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch RECT client; 985eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch GetWindowRect(hwnd(), &client); 986eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch SetWindowPos(hwnd(), NULL, client.left, client.top, 987eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch client.right - client.left, client.bottom - client.top, 988eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch SWP_FRAMECHANGED); 989eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch} 990eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 9915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::SetInitialFocus() { 9925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!(GetWindowLong(hwnd(), GWL_EXSTYLE) & WS_EX_TRANSPARENT) && 9935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) !(GetWindowLong(hwnd(), GWL_EXSTYLE) & WS_EX_NOACTIVATE)) { 9945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The window does not get keyboard messages unless we focus it. 9955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetFocus(hwnd()); 9965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 9975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 9985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 99968043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)void HWNDMessageHandler::PostProcessActivateMessage(int activation_state, 100068043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) bool minimized) { 1001010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) DCHECK(IsTopLevelWindow(hwnd())); 1002010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) const bool active = activation_state != WA_INACTIVE && !minimized; 10034e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (delegate_->CanActivate()) 10044e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) delegate_->HandleActivationChanged(active); 10055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 10065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::RestoreEnabledIfNecessary() { 10085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (delegate_->IsModal() && !restored_enabled_) { 10095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) restored_enabled_ = true; 10105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If we were run modally, we need to undo the disabled-ness we inflicted on 10115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the owner's parent hierarchy. 10125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HWND start = ::GetWindow(hwnd(), GW_OWNER); 10135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) while (start) { 10145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ::EnableWindow(start, TRUE); 10155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) start = ::GetParent(start); 10165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 10195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::ExecuteSystemMenuCommand(int command) { 10215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (command) 10225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SendMessage(hwnd(), WM_SYSCOMMAND, command, 0); 10235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 10245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::TrackMouseEvents(DWORD mouse_tracking_flags) { 10265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Begin tracking mouse events for this HWND so that we get WM_MOUSELEAVE 10275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // when the user moves the mouse outside this HWND's bounds. 10285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (active_mouse_tracking_flags_ == 0 || mouse_tracking_flags & TME_CANCEL) { 10295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (mouse_tracking_flags & TME_CANCEL) { 10305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We're about to cancel active mouse tracking, so empty out the stored 10315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // state. 10325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) active_mouse_tracking_flags_ = 0; 10335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 10345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) active_mouse_tracking_flags_ = mouse_tracking_flags; 10355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) TRACKMOUSEEVENT tme; 10385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) tme.cbSize = sizeof(tme); 10395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) tme.dwFlags = mouse_tracking_flags; 10405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) tme.hwndTrack = hwnd(); 10415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) tme.dwHoverTime = 0; 10425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) TrackMouseEvent(&tme); 10435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else if (mouse_tracking_flags != active_mouse_tracking_flags_) { 10445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) TrackMouseEvents(active_mouse_tracking_flags_ | TME_CANCEL); 10455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) TrackMouseEvents(mouse_tracking_flags); 10465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 10485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::ClientAreaSizeChanged() { 10505d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) gfx::Size s = GetClientAreaBounds().size(); 10515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->HandleClientSizeChanged(s); 105268043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) if (use_layered_buffer_) 105368043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) layered_window_contents_.reset(new gfx::Canvas(s, 1.0f, false)); 10545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 10555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1056bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdochbool HWNDMessageHandler::GetClientAreaInsets(gfx::Insets* insets) const { 1057bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch if (delegate_->GetClientAreaInsets(insets)) 1058bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch return true; 1059bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch DCHECK(insets->empty()); 10605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1061bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch // Returning false causes the default handling in OnNCCalcSize() to 1062bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch // be invoked. 10635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!delegate_->IsWidgetWindow() || 10645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (!delegate_->IsUsingCustomFrame() && !remove_standard_frame_)) { 1065bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch return false; 10665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (IsMaximized()) { 10695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Windows automatically adds a standard width border to all sides when a 10705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // window is maximized. 107146d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) int border_thickness = GetSystemMetrics(SM_CXSIZEFRAME); 1072c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (remove_standard_frame_) 1073c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) border_thickness -= 1; 1074bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch *insets = gfx::Insets( 1075bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch border_thickness, border_thickness, border_thickness, border_thickness); 1076bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch return true; 10775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1079f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) *insets = gfx::Insets(); 1080bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch return true; 10815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 10825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1083f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)void HWNDMessageHandler::ResetWindowRegion(bool force, bool redraw) { 10845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // A native frame uses the native window region, and we don't want to mess 10855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // with it. 1086a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) // WS_EX_COMPOSITED is used instead of WS_EX_LAYERED under aura. WS_EX_LAYERED 1087a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) // automatically makes clicks on transparent pixels fall through, that isn't 1088a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) // the case with WS_EX_COMPOSITED. So, we route WS_EX_COMPOSITED through to 1089a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) // the delegate to allow for a custom hit mask. 1090a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) if ((window_ex_style() & WS_EX_COMPOSITED) == 0 && !custom_window_region_ && 1091a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) (!delegate_->IsUsingCustomFrame() || !delegate_->IsWidgetWindow())) { 10925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (force) 1093f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) SetWindowRgn(hwnd(), NULL, redraw); 10945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 10955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Changing the window region is going to force a paint. Only change the 10985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // window region if the region really differs. 10995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HRGN current_rgn = CreateRectRgn(0, 0, 0, 0); 11005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int current_rgn_result = GetWindowRgn(hwnd(), current_rgn); 11015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11025d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) RECT window_rect; 11035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetWindowRect(hwnd(), &window_rect); 11045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HRGN new_region; 1105a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) if (custom_window_region_) { 1106a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) new_region = ::CreateRectRgn(0, 0, 0, 0); 1107a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) ::CombineRgn(new_region, custom_window_region_.Get(), NULL, RGN_COPY); 1108a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) } else if (IsMaximized()) { 11095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HMONITOR monitor = MonitorFromWindow(hwnd(), MONITOR_DEFAULTTONEAREST); 11105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MONITORINFO mi; 11115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mi.cbSize = sizeof mi; 11125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) GetMonitorInfo(monitor, &mi); 11135d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) RECT work_rect = mi.rcWork; 11145d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) OffsetRect(&work_rect, -window_rect.left, -window_rect.top); 11155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_region = CreateRectRgnIndirect(&work_rect); 11165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 11175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Path window_mask; 11185d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) delegate_->GetWindowMask(gfx::Size(window_rect.right - window_rect.left, 11195d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) window_rect.bottom - window_rect.top), 11205d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) &window_mask); 11215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_region = gfx::CreateHRGNFromSkPath(window_mask); 11225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 11235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (current_rgn_result == ERROR || !EqualRgn(current_rgn, new_region)) { 11255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // SetWindowRgn takes ownership of the HRGN created by CreateNativeRegion. 1126f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) SetWindowRgn(hwnd(), new_region, redraw); 11275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 11285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DeleteObject(new_region); 11295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 11305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DeleteObject(current_rgn); 11325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 11335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1134a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)void HWNDMessageHandler::UpdateDwmNcRenderingPolicy() { 1135a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) if (base::win::GetVersion() < base::win::VERSION_VISTA) 1136a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return; 1137a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 1138a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) DWMNCRENDERINGPOLICY policy = 1139a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) custom_window_region_ || delegate_->IsUsingCustomFrame() ? 1140a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) DWMNCRP_DISABLED : DWMNCRP_ENABLED; 1141a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 1142a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) DwmSetWindowAttribute(hwnd(), DWMWA_NCRENDERING_POLICY, 1143a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) &policy, sizeof(DWMNCRENDERINGPOLICY)); 1144a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)} 1145a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 11465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LRESULT HWNDMessageHandler::DefWindowProcWithRedrawLock(UINT message, 11475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WPARAM w_param, 11485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LPARAM l_param) { 11495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ScopedRedrawLock lock(this); 11505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The Widget and HWND can be destroyed in the call to DefWindowProc, so use 115158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // the WeakPtrFactory to avoid unlocking (and crashing) after destruction. 115258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) base::WeakPtr<HWNDMessageHandler> ref(weak_factory_.GetWeakPtr()); 11535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LRESULT result = DefWindowProc(hwnd(), message, w_param, l_param); 115458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) if (!ref) 11555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) lock.CancelUnlockOperation(); 11565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return result; 11575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 11585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::LockUpdates(bool force) { 11605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We skip locked updates when Aero is on for two reasons: 11615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 1. Because it isn't necessary 11625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 2. Because toggling the WS_VISIBLE flag may occur while the GPU process is 11635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // attempting to present a child window's backbuffer onscreen. When these 11645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // two actions race with one another, the child window will either flicker 11655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // or will simply stop updating entirely. 11665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if ((force || !ui::win::IsAeroGlassEnabled()) && ++lock_updates_count_ == 1) { 11675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetWindowLong(hwnd(), GWL_STYLE, 11685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetWindowLong(hwnd(), GWL_STYLE) & ~WS_VISIBLE); 11695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 11705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 11715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::UnlockUpdates(bool force) { 11735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if ((force || !ui::win::IsAeroGlassEnabled()) && --lock_updates_count_ <= 0) { 11745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetWindowLong(hwnd(), GWL_STYLE, 11755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetWindowLong(hwnd(), GWL_STYLE) | WS_VISIBLE); 11765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) lock_updates_count_ = 0; 11775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 11785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 11795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::RedrawLayeredWindowContents() { 118158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) waiting_for_redraw_layered_window_contents_ = false; 11825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (invalid_rect_.IsEmpty()) 11835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 11845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We need to clip to the dirty rect ourselves. 1186effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch layered_window_contents_->sk_canvas()->save(); 118758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) double scale = gfx::win::GetDeviceScaleFactor(); 11887d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) layered_window_contents_->sk_canvas()->scale( 11897d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) SkScalar(scale),SkScalar(scale)); 11905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) layered_window_contents_->ClipRect(invalid_rect_); 11915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->PaintLayeredWindow(layered_window_contents_.get()); 11927d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) layered_window_contents_->sk_canvas()->scale( 11937d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) SkScalar(1.0/scale),SkScalar(1.0/scale)); 11945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) layered_window_contents_->sk_canvas()->restore(); 11955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RECT wr; 11975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetWindowRect(hwnd(), &wr); 11985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SIZE size = {wr.right - wr.left, wr.bottom - wr.top}; 11995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) POINT position = {wr.left, wr.top}; 12005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HDC dib_dc = skia::BeginPlatformPaint(layered_window_contents_->sk_canvas()); 12015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) POINT zero = {0, 0}; 12025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BLENDFUNCTION blend = {AC_SRC_OVER, 0, layered_alpha_, AC_SRC_ALPHA}; 12035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UpdateLayeredWindow(hwnd(), NULL, &position, &size, dib_dc, &zero, 12045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RGB(0xFF, 0xFF, 0xFF), &blend, ULW_ALPHA); 12055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) invalid_rect_.SetRect(0, 0, 0, 0); 12065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) skia::EndPlatformPaint(layered_window_contents_->sk_canvas()); 12075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 12085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12095d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void HWNDMessageHandler::ForceRedrawWindow(int attempts) { 12105d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (ui::IsWorkstationLocked()) { 12115d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Presents will continue to fail as long as the input desktop is 12125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // unavailable. 12135d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (--attempts <= 0) 12145d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 12155d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::MessageLoop::current()->PostDelayedTask( 12165d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) FROM_HERE, 12175d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::Bind(&HWNDMessageHandler::ForceRedrawWindow, 12185d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) weak_factory_.GetWeakPtr(), 12195d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) attempts), 12205d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::TimeDelta::FromMilliseconds(500)); 12215d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 12225d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 12235d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) InvalidateRect(hwnd(), NULL, FALSE); 12245d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 12255d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 12265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Message handlers ------------------------------------------------------------ 12275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::OnActivateApp(BOOL active, DWORD thread_id) { 12295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (delegate_->IsWidgetWindow() && !active && 12305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) thread_id != GetCurrentThreadId()) { 12315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->HandleAppDeactivated(); 12325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Also update the native frame if it is rendering the non-client area. 12335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!remove_standard_frame_ && !delegate_->IsUsingCustomFrame()) 12345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DefWindowProcWithRedrawLock(WM_NCACTIVATE, FALSE, 0); 12355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 12365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 12375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)BOOL HWNDMessageHandler::OnAppCommand(HWND window, 12395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) short command, 12405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WORD device, 12415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int keystate) { 12425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BOOL handled = !!delegate_->HandleAppCommand(command); 12435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetMsgHandled(handled); 12445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Make sure to return TRUE if the event was handled or in some cases the 12455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // system will execute the default handler which can cause bugs like going 12465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // forward or back two pages instead of one. 12475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return handled; 12485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 12495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void HWNDMessageHandler::OnCancelMode() { 12512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) delegate_->HandleCancelMode(); 12522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Need default handling, otherwise capture and other things aren't canceled. 12532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SetMsgHandled(FALSE); 12542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 12552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 12565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::OnCaptureChanged(HWND window) { 12575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->HandleCaptureLost(); 12585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 12595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::OnClose() { 12615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->HandleClose(); 12625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 12635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::OnCommand(UINT notification_code, 12655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int command, 12665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HWND window) { 12675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If the notification code is > 1 it means it is control specific and we 12685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // should ignore it. 12695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (notification_code > 1 || delegate_->HandleAppCommand(command)) 12705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetMsgHandled(FALSE); 12715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 12725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LRESULT HWNDMessageHandler::OnCreate(CREATESTRUCT* create_struct) { 12745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) use_layered_buffer_ = !!(window_ex_style() & WS_EX_LAYERED); 12755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (window_ex_style() & WS_EX_COMPOSITED) { 12772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (base::win::GetVersion() >= base::win::VERSION_VISTA) { 12782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // This is part of the magic to emulate layered windows with Aura 12792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // see the explanation elsewere when we set WS_EX_COMPOSITED style. 12802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) MARGINS margins = {-1,-1,-1,-1}; 12812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DwmExtendFrameIntoClientArea(hwnd(), &margins); 12822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 12832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 12845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) fullscreen_handler_->set_hwnd(hwnd()); 12865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This message initializes the window so that focus border are shown for 12885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // windows. 12895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SendMessage(hwnd(), 12905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WM_CHANGEUISTATE, 12915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MAKELPARAM(UIS_CLEAR, UISF_HIDEFOCUS), 12925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0); 12935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (remove_standard_frame_) { 12955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetWindowLong(hwnd(), GWL_STYLE, 12965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetWindowLong(hwnd(), GWL_STYLE) & ~WS_CAPTION); 12975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SendFrameChanged(); 12985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 12995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Get access to a modifiable copy of the system menu. 13015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetSystemMenu(hwnd(), false); 13025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1303a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (base::win::GetVersion() >= base::win::VERSION_WIN7 && 1304a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ui::AreTouchEventsEnabled()) 1305a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) RegisterTouchWindow(hwnd(), TWF_WANTPALM); 13065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We need to allow the delegate to size its contents since the window may not 13085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // receive a size notification when its initial bounds are specified at window 13095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // creation time. 13105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ClientAreaSizeChanged(); 13115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->HandleCreate(); 13135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13145d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) WTSRegisterSessionNotification(hwnd(), NOTIFY_FOR_THIS_SESSION); 13155d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 13165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(beng): move more of NWW::OnCreate here. 13175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return 0; 13185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 13195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::OnDestroy() { 13215d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) WTSUnRegisterSessionNotification(hwnd()); 13225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->HandleDestroying(); 13235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 13245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::OnDisplayChange(UINT bits_per_pixel, 13265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const gfx::Size& screen_size) { 13275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->HandleDisplayChange(); 13285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 13295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LRESULT HWNDMessageHandler::OnDwmCompositionChanged(UINT msg, 13315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WPARAM w_param, 13325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LPARAM l_param) { 13335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!delegate_->IsWidgetWindow()) { 13345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetMsgHandled(FALSE); 13355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return 0; 13365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1337f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 13385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FrameTypeChanged(); 13395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return 0; 13405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 13415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13425d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void HWNDMessageHandler::OnEnterMenuLoop(BOOL from_track_popup_menu) { 13435d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (menu_depth_++ == 0) 13445d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) delegate_->HandleMenuLoop(true); 13455d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 13465d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 13475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::OnEnterSizeMove() { 13485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Please refer to the comments in the OnSize function about the scrollbar 13495d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // hack. 13505d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Hide the Windows scrollbar if the scroll styles are present to ensure 13515d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // that a paint flicker does not occur while sizing. 13525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (in_size_loop_ && needs_scroll_styles_) 13535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ShowScrollBar(hwnd(), SB_BOTH, FALSE); 13545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 13555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->HandleBeginWMSizeMove(); 13565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetMsgHandled(FALSE); 13575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 13585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LRESULT HWNDMessageHandler::OnEraseBkgnd(HDC dc) { 13605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Needed to prevent resize flicker. 13615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return 1; 13625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 13635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void HWNDMessageHandler::OnExitMenuLoop(BOOL is_shortcut_menu) { 13655d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (--menu_depth_ == 0) 13665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) delegate_->HandleMenuLoop(false); 13675d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK_GE(0, menu_depth_); 13685d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 13695d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 13705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::OnExitSizeMove() { 13715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->HandleEndWMSizeMove(); 13725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetMsgHandled(FALSE); 13735d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Please refer to the notes in the OnSize function for information about 13745d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // the scrolling hack. 13755d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // We hide the Windows scrollbar in the OnEnterSizeMove function. We need 13765d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // to add the scroll styles back to ensure that scrolling works in legacy 13775d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // trackpoint drivers. 13785d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (in_size_loop_ && needs_scroll_styles_) 13795d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) AddScrollStylesToWindow(hwnd()); 13805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 13815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::OnGetMinMaxInfo(MINMAXINFO* minmax_info) { 13835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Size min_window_size; 13845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Size max_window_size; 13855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->GetMinMaxSize(&min_window_size, &max_window_size); 13865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Add the native frame border size to the minimum and maximum size if the 13885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // view reports its size as the client size. 13895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (delegate_->WidgetSizeIsClientSize()) { 13905d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) RECT client_rect, window_rect; 13915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetClientRect(hwnd(), &client_rect); 13925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetWindowRect(hwnd(), &window_rect); 13935d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) CR_DEFLATE_RECT(&window_rect, &client_rect); 13945d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) min_window_size.Enlarge(window_rect.right - window_rect.left, 13955d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) window_rect.bottom - window_rect.top); 13965d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!max_window_size.IsEmpty()) { 13975d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) max_window_size.Enlarge(window_rect.right - window_rect.left, 13985d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) window_rect.bottom - window_rect.top); 13995d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 14005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 14015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) minmax_info->ptMinTrackSize.x = min_window_size.width(); 14025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) minmax_info->ptMinTrackSize.y = min_window_size.height(); 14035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (max_window_size.width() || max_window_size.height()) { 14045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!max_window_size.width()) 14055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) max_window_size.set_width(GetSystemMetrics(SM_CXMAXTRACK)); 14065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!max_window_size.height()) 14075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) max_window_size.set_height(GetSystemMetrics(SM_CYMAXTRACK)); 14085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) minmax_info->ptMaxTrackSize.x = max_window_size.width(); 14095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) minmax_info->ptMaxTrackSize.y = max_window_size.height(); 14105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 14115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetMsgHandled(FALSE); 14125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 14135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LRESULT HWNDMessageHandler::OnGetObject(UINT message, 14155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WPARAM w_param, 14165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LPARAM l_param) { 14175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LRESULT reference_result = static_cast<LRESULT>(0L); 14185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14198f6e4bda48b1f7e913c8b2f770559183fd98092bBo Liu // Only the lower 32 bits of l_param are valid when checking the object id 14208f6e4bda48b1f7e913c8b2f770559183fd98092bBo Liu // because it sometimes gets sign-extended incorrectly (but not always). 14218f6e4bda48b1f7e913c8b2f770559183fd98092bBo Liu DWORD obj_id = static_cast<DWORD>(static_cast<DWORD_PTR>(l_param)); 14228f6e4bda48b1f7e913c8b2f770559183fd98092bBo Liu 14235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Accessibility readers will send an OBJID_CLIENT message 14248f6e4bda48b1f7e913c8b2f770559183fd98092bBo Liu if (OBJID_CLIENT == obj_id) { 14255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Retrieve MSAA dispatch object for the root view. 14265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::win::ScopedComPtr<IAccessible> root( 14275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->GetNativeViewAccessible()); 14285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Create a reference that MSAA will marshall to the client. 14305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) reference_result = LresultFromObject(IID_IAccessible, w_param, 14315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static_cast<IAccessible*>(root.Detach())); 14325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 14335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return reference_result; 14355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 14365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LRESULT HWNDMessageHandler::OnImeMessages(UINT message, 14385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WPARAM w_param, 14395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LPARAM l_param) { 14405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LRESULT result = 0; 14415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetMsgHandled(delegate_->HandleIMEMessage( 14425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) message, w_param, l_param, &result)); 14435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return result; 14445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 14455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::OnInitMenu(HMENU menu) { 14475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool is_fullscreen = fullscreen_handler_->fullscreen(); 14485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool is_minimized = IsMinimized(); 14495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool is_maximized = IsMaximized(); 14505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool is_restored = !is_fullscreen && !is_minimized && !is_maximized; 14515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ScopedRedrawLock lock(this); 14535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) EnableMenuItemByCommand(menu, SC_RESTORE, delegate_->CanResize() && 14545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) (is_minimized || is_maximized)); 14555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EnableMenuItemByCommand(menu, SC_MOVE, is_restored); 14565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EnableMenuItemByCommand(menu, SC_SIZE, delegate_->CanResize() && is_restored); 14575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EnableMenuItemByCommand(menu, SC_MAXIMIZE, delegate_->CanMaximize() && 14585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) !is_fullscreen && !is_maximized); 14595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // TODO: unfortunately, WidgetDelegate does not declare CanMinimize() and some 14605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // code depends on this check, see http://crbug.com/341010. 14615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EnableMenuItemByCommand(menu, SC_MINIMIZE, delegate_->CanMaximize() && 14625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) !is_minimized); 14635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 14645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (is_maximized && delegate_->CanResize()) 14655d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ::SetMenuDefaultItem(menu, SC_RESTORE, FALSE); 14665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) else if (!is_maximized && delegate_->CanMaximize()) 14675d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ::SetMenuDefaultItem(menu, SC_MAXIMIZE, FALSE); 14685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 14695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::OnInputLangChange(DWORD character_set, 14715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HKL input_language_id) { 14725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->HandleInputLanguageChange(character_set, input_language_id); 14735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 14745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LRESULT HWNDMessageHandler::OnKeyEvent(UINT message, 14765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WPARAM w_param, 14775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LPARAM l_param) { 14782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) MSG msg = { hwnd(), message, w_param, l_param, GetMessageTime() }; 14795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ui::KeyEvent key(msg, message == WM_CHAR); 14805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!delegate_->HandleUntranslatedKeyEvent(key)) 14815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DispatchKeyEventPostIME(key); 14825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return 0; 14835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 14845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::OnKillFocus(HWND focused_window) { 14865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->HandleNativeBlur(focused_window); 14875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetMsgHandled(FALSE); 14885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 14895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LRESULT HWNDMessageHandler::OnMouseActivate(UINT message, 14915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WPARAM w_param, 14925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LPARAM l_param) { 1493cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // Please refer to the comments in the header for the touch_down_contexts_ 1494a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // member for the if statement below. 1495cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (touch_down_contexts_) 1496a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return MA_NOACTIVATE; 1497a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 1498a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) // On Windows, if we select the menu item by touch and if the window at the 1499a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) // location is another window on the same thread, that window gets a 1500a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) // WM_MOUSEACTIVATE message and ends up activating itself, which is not 1501a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) // correct. We workaround this by setting a property on the window at the 1502a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) // current cursor location. We check for this property in our 1503a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) // WM_MOUSEACTIVATE handler and don't activate the window if the property is 1504a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) // set. 1505a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (::GetProp(hwnd(), ui::kIgnoreTouchMouseActivateForWindow)) { 1506a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ::RemoveProp(hwnd(), ui::kIgnoreTouchMouseActivateForWindow); 1507a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return MA_NOACTIVATE; 1508a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) } 1509f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) // A child window activation should be treated as if we lost activation. 1510f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) POINT cursor_pos = {0}; 1511f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) ::GetCursorPos(&cursor_pos); 1512f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) ::ScreenToClient(hwnd(), &cursor_pos); 1513f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) HWND child = ::RealChildWindowFromPoint(hwnd(), cursor_pos); 1514f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (::IsWindow(child) && child != hwnd() && ::IsWindowVisible(child)) 1515f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) PostProcessActivateMessage(WA_INACTIVE, false); 1516a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 15175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(beng): resolve this with the GetWindowLong() check on the subsequent 15185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // line. 15195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (delegate_->IsWidgetWindow()) 15205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return delegate_->CanActivate() ? MA_ACTIVATE : MA_NOACTIVATEANDEAT; 15215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (GetWindowLong(hwnd(), GWL_EXSTYLE) & WS_EX_NOACTIVATE) 15225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return MA_NOACTIVATE; 15235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetMsgHandled(FALSE); 15245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return MA_ACTIVATE; 15255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 15265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LRESULT HWNDMessageHandler::OnMouseRange(UINT message, 15285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WPARAM w_param, 15295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LPARAM l_param) { 1530a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return HandleMouseEventInternal(message, w_param, l_param, true); 15315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 15325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15335d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void HWNDMessageHandler::OnMove(const gfx::Point& point) { 15345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->HandleMove(); 15355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetMsgHandled(FALSE); 15365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 15375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::OnMoving(UINT param, const RECT* new_bounds) { 15395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->HandleMove(); 15405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 15415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1542eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen MurdochLRESULT HWNDMessageHandler::OnNCActivate(UINT message, 1543eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch WPARAM w_param, 1544eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch LPARAM l_param) { 1545eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch // Per MSDN, w_param is either TRUE or FALSE. However, MSDN also hints that: 1546eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch // "If the window is minimized when this message is received, the application 1547eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch // should pass the message to the DefWindowProc function." 1548eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch // It is found out that the high word of w_param might be set when the window 1549eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch // is minimized or restored. To handle this, w_param's high word should be 1550eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch // cleared before it is converted to BOOL. 1551eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch BOOL active = static_cast<BOOL>(LOWORD(w_param)); 1552eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 15533551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) bool inactive_rendering_disabled = delegate_->IsInactiveRenderingDisabled(); 15543551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 15555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!delegate_->IsWidgetWindow()) { 15565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetMsgHandled(FALSE); 15575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return 0; 15585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 15595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!delegate_->CanActivate()) 15615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return TRUE; 15625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // On activation, lift any prior restriction against rendering as inactive. 15642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (active && inactive_rendering_disabled) 15652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) delegate_->EnableInactiveRendering(); 15665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (delegate_->IsUsingCustomFrame()) { 15685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(beng, et al): Hack to redraw this window and child windows 15695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // synchronously upon activation. Not all child windows are redrawing 15705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // themselves leading to issues like http://crbug.com/74604 15715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We redraw out-of-process HWNDs asynchronously to avoid hanging the 15725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // whole app if a child HWND belonging to a hung plugin is encountered. 15735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RedrawWindow(hwnd(), NULL, NULL, 15745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RDW_NOCHILDREN | RDW_INVALIDATE | RDW_UPDATENOW); 15755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EnumChildWindows(hwnd(), EnumChildWindowsForRedraw, NULL); 15765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 15775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // The frame may need to redraw as a result of the activation change. 15792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // We can get WM_NCACTIVATE before we're actually visible. If we're not 15802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // visible, no need to paint. 15812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (IsVisible()) 15822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) delegate_->SchedulePaint(); 15835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Avoid DefWindowProc non-client rendering over our custom frame on newer 15855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Windows versions only (breaks taskbar activation indication on XP/Vista). 15865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (delegate_->IsUsingCustomFrame() && 15875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::win::GetVersion() > base::win::VERSION_VISTA) { 15885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetMsgHandled(TRUE); 15895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return TRUE; 15905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 15915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return DefWindowProcWithRedrawLock( 15935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WM_NCACTIVATE, inactive_rendering_disabled || active, 0); 15945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 15955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LRESULT HWNDMessageHandler::OnNCCalcSize(BOOL mode, LPARAM l_param) { 15975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We only override the default handling if we need to specify a custom 15985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // non-client edge width. Note that in most cases "no insets" means no 15995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // custom width, but in fullscreen mode or when the NonClientFrameView 16005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // requests it, we want a custom width of 0. 16012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 16022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Let User32 handle the first nccalcsize for captioned windows 16032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // so it updates its internal structures (specifically caption-present) 16042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Without this Tile & Cascade windows won't work. 16052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // See http://code.google.com/p/chromium/issues/detail?id=900 16062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (is_first_nccalc_) { 16072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) is_first_nccalc_ = false; 16082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (GetWindowLong(hwnd(), GWL_STYLE) & WS_CAPTION) { 16092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SetMsgHandled(FALSE); 16102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return 0; 16112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 16122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 16132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1614bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch gfx::Insets insets; 1615bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch bool got_insets = GetClientAreaInsets(&insets); 1616bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch if (!got_insets && !fullscreen_handler_->fullscreen() && 16175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) !(mode && remove_standard_frame_)) { 16185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetMsgHandled(FALSE); 16195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return 0; 16205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 16215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RECT* client_rect = mode ? 16235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &(reinterpret_cast<NCCALCSIZE_PARAMS*>(l_param)->rgrc[0]) : 16245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) reinterpret_cast<RECT*>(l_param); 16255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) client_rect->left += insets.left(); 16265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) client_rect->top += insets.top(); 16275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) client_rect->bottom -= insets.bottom(); 16285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) client_rect->right -= insets.right(); 16295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (IsMaximized()) { 16305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Find all auto-hide taskbars along the screen edges and adjust in by the 16315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // thickness of the auto-hide taskbar on each such edge, so the window isn't 16325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // treated as a "fullscreen app", which would cause the taskbars to 16335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // disappear. 16345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HMONITOR monitor = MonitorFromWindow(hwnd(), MONITOR_DEFAULTTONULL); 16355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!monitor) { 16365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We might end up here if the window was previously minimized and the 16375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // user clicks on the taskbar button to restore it in the previously 16385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // maximized position. In that case WM_NCCALCSIZE is sent before the 16395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // window coordinates are restored to their previous values, so our 16405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // (left,top) would probably be (-32000,-32000) like all minimized 16415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // windows. So the above MonitorFromWindow call fails, but if we check 16425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the window rect given with WM_NCCALCSIZE (which is our previous 16435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // restored window position) we will get the correct monitor handle. 16445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) monitor = MonitorFromRect(client_rect, MONITOR_DEFAULTTONULL); 16455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!monitor) { 16465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This is probably an extreme case that we won't hit, but if we don't 16475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // intersect any monitor, let us not adjust the client rect since our 16485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // window will not be visible anyway. 16495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return 0; 16505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 16515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1652eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch const int autohide_edges = GetAppbarAutohideEdges(monitor); 16530529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch if (autohide_edges & ViewsDelegate::EDGE_LEFT) 16545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) client_rect->left += kAutoHideTaskbarThicknessPx; 16550529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch if (autohide_edges & ViewsDelegate::EDGE_TOP) { 16565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!delegate_->IsUsingCustomFrame()) { 16575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Tricky bit. Due to a bug in DwmDefWindowProc()'s handling of 16585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // WM_NCHITTEST, having any nonclient area atop the window causes the 16595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // caption buttons to draw onscreen but not respond to mouse 16605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // hover/clicks. 16615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // So for a taskbar at the screen top, we can't push the 16625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // client_rect->top down; instead, we move the bottom up by one pixel, 16635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // which is the smallest change we can make and still get a client area 16645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // less than the screen size. This is visibly ugly, but there seems to 16655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // be no better solution. 16665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) --client_rect->bottom; 16675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 16685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) client_rect->top += kAutoHideTaskbarThicknessPx; 16695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 16705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 16710529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch if (autohide_edges & ViewsDelegate::EDGE_RIGHT) 16725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) client_rect->right -= kAutoHideTaskbarThicknessPx; 16730529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch if (autohide_edges & ViewsDelegate::EDGE_BOTTOM) 16745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) client_rect->bottom -= kAutoHideTaskbarThicknessPx; 16755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We cannot return WVR_REDRAW when there is nonclient area, or Windows 16775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // exhibits bugs where client pixels and child HWNDs are mispositioned by 16785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the width/height of the upper-left nonclient area. 16795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return 0; 16805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 16815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If the window bounds change, we're going to relayout and repaint anyway. 16835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returning WVR_REDRAW avoids an extra paint before that of the old client 16845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // pixels in the (now wrong) location, and thus makes actions like resizing a 16855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // window from the left edge look slightly less broken. 16865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We special case when left or top insets are 0, since these conditions 16875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // actually require another repaint to correct the layout after glass gets 16885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // turned on and off. 16895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (insets.left() == 0 || insets.top() == 0) 16905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return 0; 16915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return mode ? WVR_REDRAW : 0; 16925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 16935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16945d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)LRESULT HWNDMessageHandler::OnNCHitTest(const gfx::Point& point) { 16955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!delegate_->IsWidgetWindow()) { 16965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetMsgHandled(FALSE); 16975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return 0; 16985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 16995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 17005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If the DWM is rendering the window controls, we need to give the DWM's 17015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // default window procedure first chance to handle hit testing. 17025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!remove_standard_frame_ && !delegate_->IsUsingCustomFrame()) { 17035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LRESULT result; 17045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (DwmDefWindowProc(hwnd(), WM_NCHITTEST, 0, 17055d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) MAKELPARAM(point.x(), point.y()), &result)) { 17065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return result; 17075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 17085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 17095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 17105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // First, give the NonClientView a chance to test the point to see if it 17115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // provides any of the non-client area. 17125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) POINT temp = { point.x(), point.y() }; 17135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MapWindowPoints(HWND_DESKTOP, hwnd(), &temp, 1); 17145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int component = delegate_->GetNonClientComponent(gfx::Point(temp)); 17155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (component != HTNOWHERE) 17165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return component; 17175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 17185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Otherwise, we let Windows do all the native frame non-client handling for 17195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // us. 17205d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) LRESULT hit_test_code = DefWindowProc(hwnd(), WM_NCHITTEST, 0, 17215d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) MAKELPARAM(point.x(), point.y())); 17225d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (needs_scroll_styles_) { 17235d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) switch (hit_test_code) { 17245d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // If we faked the WS_VSCROLL and WS_HSCROLL styles for this window, then 17255d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Windows returns the HTVSCROLL or HTHSCROLL hit test codes if we hover 17265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // or click on the non client portions of the window where the OS 17275d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // scrollbars would be drawn. These hittest codes are returned even when 17285d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // the scrollbars are hidden, which is the case in Aura. We fake the 17295d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // hittest code as HTCLIENT in this case to ensure that we receive client 17305d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // mouse messages as opposed to non client mouse messages. 17315d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) case HTVSCROLL: 17325d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) case HTHSCROLL: 17335d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) hit_test_code = HTCLIENT; 17345d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) break; 17355d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 17365d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) case HTBOTTOMRIGHT: { 17375d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Normally the HTBOTTOMRIGHT hittest code is received when we hover 17385d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // near the bottom right of the window. However due to our fake scroll 17395d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // styles, we get this code even when we hover around the area where 17405d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // the vertical scrollar down arrow would be drawn. 17415d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // We check if the hittest coordinates lie in this region and if yes 17425d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // we return HTCLIENT. 174346d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) int border_width = ::GetSystemMetrics(SM_CXSIZEFRAME); 174446d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) int border_height = ::GetSystemMetrics(SM_CYSIZEFRAME); 17455d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) int scroll_width = ::GetSystemMetrics(SM_CXVSCROLL); 17465d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) int scroll_height = ::GetSystemMetrics(SM_CYVSCROLL); 17475d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) RECT window_rect; 17485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ::GetWindowRect(hwnd(), &window_rect); 17495d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) window_rect.bottom -= border_height; 17505d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) window_rect.right -= border_width; 17515d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) window_rect.left = window_rect.right - scroll_width; 17525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) window_rect.top = window_rect.bottom - scroll_height; 17535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) POINT pt; 17545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) pt.x = point.x(); 17555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) pt.y = point.y(); 17565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (::PtInRect(&window_rect, pt)) 17575d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) hit_test_code = HTCLIENT; 17585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) break; 17595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 17605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 17615d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) default: 17625d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) break; 17635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 17645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 17655d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return hit_test_code; 17665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 17675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 17685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::OnNCPaint(HRGN rgn) { 17695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We only do non-client painting if we're not using the native frame. 17705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // It's required to avoid some native painting artifacts from appearing when 17715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the window is resized. 17725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!delegate_->IsWidgetWindow() || !delegate_->IsUsingCustomFrame()) { 17735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetMsgHandled(FALSE); 17745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 17755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 17765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 17775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We have an NC region and need to paint it. We expand the NC region to 17785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // include the dirty region of the root view. This is done to minimize 17795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // paints. 17805d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) RECT window_rect; 17815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetWindowRect(hwnd(), &window_rect); 17825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 17835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Size root_view_size = delegate_->GetRootViewSize(); 17845d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (gfx::Size(window_rect.right - window_rect.left, 17855d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) window_rect.bottom - window_rect.top) != root_view_size) { 17865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If the size of the window differs from the size of the root view it 17875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // means we're being asked to paint before we've gotten a WM_SIZE. This can 17885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // happen when the user is interactively resizing the window. To avoid 17895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // mass flickering we don't do anything here. Once we get the WM_SIZE we'll 17905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // reset the region of the window which triggers another WM_NCPAINT and 17915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // all is well. 17925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 17935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 17945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 17955d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) RECT dirty_region; 17965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // A value of 1 indicates paint all. 17975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!rgn || rgn == reinterpret_cast<HRGN>(1)) { 17985d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) dirty_region.left = 0; 17995d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) dirty_region.top = 0; 18005d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) dirty_region.right = window_rect.right - window_rect.left; 18015d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) dirty_region.bottom = window_rect.bottom - window_rect.top; 18025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 18035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RECT rgn_bounding_box; 18045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetRgnBox(rgn, &rgn_bounding_box); 18055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!IntersectRect(&dirty_region, &rgn_bounding_box, &window_rect)) 18065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; // Dirty region doesn't intersect window bounds, bale. 18075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 18085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // rgn_bounding_box is in screen coordinates. Map it to window coordinates. 18095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) OffsetRect(&dirty_region, -window_rect.left, -window_rect.top); 18105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 18115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 18125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // In theory GetDCEx should do what we want, but I couldn't get it to work. 18135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // In particular the docs mentiond DCX_CLIPCHILDREN, but as far as I can tell 18145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // it doesn't work at all. So, instead we get the DC for the window then 18155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // manually clip out the children. 18165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HDC dc = GetWindowDC(hwnd()); 18175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ClipState clip_state; 18185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) clip_state.x = window_rect.left; 18195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) clip_state.y = window_rect.top; 18205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) clip_state.parent = hwnd(); 18215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) clip_state.dc = dc; 18225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EnumChildWindows(hwnd(), &ClipDCToChild, 18235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) reinterpret_cast<LPARAM>(&clip_state)); 18245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 18255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Rect old_paint_region = invalid_rect_; 18265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!old_paint_region.IsEmpty()) { 18275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The root view has a region that needs to be painted. Include it in the 18285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // region we're going to paint. 18295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 18305d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) RECT old_paint_region_crect = old_paint_region.ToRECT(); 18315d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) RECT tmp = dirty_region; 18325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UnionRect(&dirty_region, &tmp, &old_paint_region_crect); 18335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 18345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 18355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SchedulePaintInRect(gfx::Rect(dirty_region)); 18365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 18375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // gfx::CanvasSkiaPaint's destructor does the actual painting. As such, wrap 18385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the following in a block to force paint to occur so that we can release 18395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the dc. 18402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!delegate_->HandlePaintAccelerated(gfx::Rect(dirty_region))) { 18415d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) gfx::CanvasSkiaPaint canvas(dc, 18425d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) true, 18435d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) dirty_region.left, 18445d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) dirty_region.top, 18455d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) dirty_region.right - dirty_region.left, 18465d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) dirty_region.bottom - dirty_region.top); 18475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->HandlePaint(&canvas); 18485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 18495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 18505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ReleaseDC(hwnd(), dc); 18515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // When using a custom frame, we want to avoid calling DefWindowProc() since 18525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // that may render artifacts. 18535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetMsgHandled(delegate_->IsUsingCustomFrame()); 18545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 18555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 18565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LRESULT HWNDMessageHandler::OnNCUAHDrawCaption(UINT message, 18575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WPARAM w_param, 18585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LPARAM l_param) { 18595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // See comment in widget_win.h at the definition of WM_NCUAHDRAWCAPTION for 18605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // an explanation about why we need to handle this message. 18615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetMsgHandled(delegate_->IsUsingCustomFrame()); 18625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return 0; 18635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 18645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 18655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LRESULT HWNDMessageHandler::OnNCUAHDrawFrame(UINT message, 18665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WPARAM w_param, 18675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LPARAM l_param) { 18685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // See comment in widget_win.h at the definition of WM_NCUAHDRAWCAPTION for 18695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // an explanation about why we need to handle this message. 18705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetMsgHandled(delegate_->IsUsingCustomFrame()); 18715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return 0; 18725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 18735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 18745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LRESULT HWNDMessageHandler::OnNotify(int w_param, NMHDR* l_param) { 18755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LRESULT l_result = 0; 18765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetMsgHandled(delegate_->HandleTooltipNotify(w_param, l_param, &l_result)); 18775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return l_result; 18785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 18795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 18805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::OnPaint(HDC dc) { 1881a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) // Call BeginPaint()/EndPaint() around the paint handling, as that seems 1882a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) // to do more to actually validate the window's drawing region. This only 1883a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) // appears to matter for Windows that have the WS_EX_COMPOSITED style set 1884a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) // but will be valid in general too. 1885a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) PAINTSTRUCT ps; 1886a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) HDC display_dc = BeginPaint(hwnd(), &ps); 1887a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) CHECK(display_dc); 1888a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 18895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Try to paint accelerated first. 1890a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (!IsRectEmpty(&ps.rcPaint) && 1891a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) !delegate_->HandlePaintAccelerated(gfx::Rect(ps.rcPaint))) { 1892a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) delegate_->HandlePaint(NULL); 18935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1894a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1895a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) EndPaint(hwnd(), &ps); 18965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 18975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 18985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LRESULT HWNDMessageHandler::OnReflectedMessage(UINT message, 18995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WPARAM w_param, 19005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LPARAM l_param) { 19015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetMsgHandled(FALSE); 19025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return 0; 19035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 19045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 19055d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)LRESULT HWNDMessageHandler::OnScrollMessage(UINT message, 19065d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) WPARAM w_param, 19075d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) LPARAM l_param) { 19085d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) MSG msg = { hwnd(), message, w_param, l_param, GetMessageTime() }; 19095d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ui::ScrollEvent event(msg); 19105d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) delegate_->HandleScrollEvent(event); 19115d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return 0; 19125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 19135d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 19145d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void HWNDMessageHandler::OnSessionChange(WPARAM status_code, 19155d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) PWTSSESSION_NOTIFICATION session_id) { 19165d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Direct3D presents are ignored while the screen is locked, so force the 19175d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // window to be redrawn on unlock. 19185d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (status_code == WTS_SESSION_UNLOCK) 19195d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ForceRedrawWindow(10); 19205d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 19215d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) SetMsgHandled(FALSE); 19225d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 19235d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 19245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LRESULT HWNDMessageHandler::OnSetCursor(UINT message, 19255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WPARAM w_param, 19265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LPARAM l_param) { 19272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Reimplement the necessary default behavior here. Calling DefWindowProc can 19282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // trigger weird non-client painting for non-glass windows with custom frames. 19292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Using a ScopedRedrawLock to prevent caption rendering artifacts may allow 19302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // content behind this window to incorrectly paint in front of this window. 19312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Invalidating the window to paint over either set of artifacts is not ideal. 19322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) wchar_t* cursor = IDC_ARROW; 19332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) switch (LOWORD(l_param)) { 19342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) case HTSIZE: 19352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) cursor = IDC_SIZENWSE; 19362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) break; 19372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) case HTLEFT: 19382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) case HTRIGHT: 19392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) cursor = IDC_SIZEWE; 19402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) break; 19412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) case HTTOP: 19422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) case HTBOTTOM: 19432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) cursor = IDC_SIZENS; 19442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) break; 19452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) case HTTOPLEFT: 19462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) case HTBOTTOMRIGHT: 19472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) cursor = IDC_SIZENWSE; 19482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) break; 19492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) case HTTOPRIGHT: 19502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) case HTBOTTOMLEFT: 19512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) cursor = IDC_SIZENESW; 19522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) break; 1953c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) case HTCLIENT: 1954a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) SetCursor(current_cursor_); 1955a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return 1; 1956cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) case LOWORD(HTERROR): // Use HTERROR's LOWORD value for valid comparison. 1957cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) SetMsgHandled(FALSE); 1958cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) break; 19592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) default: 19602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Use the default value, IDC_ARROW. 19612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) break; 19622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 1963a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) ::SetCursor(LoadCursor(NULL, cursor)); 1964a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return 1; 19655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 19665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 19675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::OnSetFocus(HWND last_focused_window) { 19685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->HandleNativeFocus(last_focused_window); 19695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetMsgHandled(FALSE); 19705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 19715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 19725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LRESULT HWNDMessageHandler::OnSetIcon(UINT size_type, HICON new_icon) { 19735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Use a ScopedRedrawLock to avoid weird non-client painting. 19745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return DefWindowProcWithRedrawLock(WM_SETICON, size_type, 19755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) reinterpret_cast<LPARAM>(new_icon)); 19765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 19775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 19785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LRESULT HWNDMessageHandler::OnSetText(const wchar_t* text) { 19795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Use a ScopedRedrawLock to avoid weird non-client painting. 19805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return DefWindowProcWithRedrawLock(WM_SETTEXT, NULL, 19815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) reinterpret_cast<LPARAM>(text)); 19825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 19835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 19845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::OnSettingChange(UINT flags, const wchar_t* section) { 19855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!GetParent(hwnd()) && (flags == SPI_SETWORKAREA) && 19865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) !delegate_->WillProcessWorkAreaChange()) { 19875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Fire a dummy SetWindowPos() call, so we'll trip the code in 19885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // OnWindowPosChanging() below that notices work area changes. 19895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ::SetWindowPos(hwnd(), 0, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE | 19905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SWP_NOZORDER | SWP_NOREDRAW | SWP_NOACTIVATE | SWP_NOOWNERZORDER); 19915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetMsgHandled(TRUE); 19925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 19935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (flags == SPI_SETWORKAREA) 19945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->HandleWorkAreaChanged(); 19955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetMsgHandled(FALSE); 19965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 19975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 19985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 19995d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void HWNDMessageHandler::OnSize(UINT param, const gfx::Size& size) { 20005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RedrawWindow(hwnd(), NULL, NULL, RDW_INVALIDATE | RDW_ALLCHILDREN); 20015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // ResetWindowRegion is going to trigger WM_NCPAINT. By doing it after we've 20025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // invoked OnSize we ensure the RootView has been laid out. 2003f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) ResetWindowRegion(false, true); 20045d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 20055d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // We add the WS_VSCROLL and WS_HSCROLL styles to top level windows to ensure 20065d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // that legacy trackpad/trackpoint drivers generate the WM_VSCROLL and 20075d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // WM_HSCROLL messages and scrolling works. 20085d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // We want the scroll styles to be present on the window. However we don't 20095d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // want Windows to draw the scrollbars. To achieve this we hide the scroll 20105d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // bars and readd them to the window style in a posted task to ensure that we 20115d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // don't get nested WM_SIZE messages. 20125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (needs_scroll_styles_ && !in_size_loop_) { 20135d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ShowScrollBar(hwnd(), SB_BOTH, FALSE); 20145d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::MessageLoop::current()->PostTask( 20155d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) FROM_HERE, base::Bind(&AddScrollStylesToWindow, hwnd())); 20165d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 20175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 20185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 20195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::OnSysCommand(UINT notification_code, 20205d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const gfx::Point& point) { 20212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!delegate_->ShouldHandleSystemCommands()) 20225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 20235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 20245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Windows uses the 4 lower order bits of |notification_code| for type- 20255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // specific information so we must exclude this when comparing. 20265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static const int sc_mask = 0xFFF0; 20275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Ignore size/move/maximize in fullscreen mode. 20285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (fullscreen_handler_->fullscreen() && 20295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (((notification_code & sc_mask) == SC_SIZE) || 20305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ((notification_code & sc_mask) == SC_MOVE) || 20315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ((notification_code & sc_mask) == SC_MAXIMIZE))) 20325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 20335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (delegate_->IsUsingCustomFrame()) { 20345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if ((notification_code & sc_mask) == SC_MINIMIZE || 20355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (notification_code & sc_mask) == SC_MAXIMIZE || 20365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (notification_code & sc_mask) == SC_RESTORE) { 20375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->ResetWindowControls(); 20385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else if ((notification_code & sc_mask) == SC_MOVE || 20395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (notification_code & sc_mask) == SC_SIZE) { 20405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!IsVisible()) { 20415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Circumvent ScopedRedrawLocks and force visibility before entering a 20425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // resize or move modal loop to get continuous sizing/moving feedback. 20435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetWindowLong(hwnd(), GWL_STYLE, 20445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetWindowLong(hwnd(), GWL_STYLE) | WS_VISIBLE); 20455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 20465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 20475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 20485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 20495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Handle SC_KEYMENU, which means that the user has pressed the ALT 20505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // key and released it, so we should focus the menu bar. 20515d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if ((notification_code & sc_mask) == SC_KEYMENU && point.x() == 0) { 20525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int modifiers = ui::EF_NONE; 20535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (base::win::IsShiftPressed()) 20545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) modifiers |= ui::EF_SHIFT_DOWN; 20555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (base::win::IsCtrlPressed()) 20565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) modifiers |= ui::EF_CONTROL_DOWN; 20575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Retrieve the status of shift and control keys to prevent consuming 20585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // shift+alt keys, which are used by Windows to change input languages. 20595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ui::Accelerator accelerator(ui::KeyboardCodeForWindowsKeyCode(VK_MENU), 20605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) modifiers); 20615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->HandleAccelerator(accelerator); 20625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 20635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 20645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 20655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If the delegate can't handle it, the system implementation will be called. 20665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!delegate_->HandleCommand(notification_code)) { 20675d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // If the window is being resized by dragging the borders of the window 20685d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // with the mouse/touch/keyboard, we flag as being in a size loop. 20695d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if ((notification_code & sc_mask) == SC_SIZE) 20705d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) in_size_loop_ = true; 2071a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::WeakPtr<HWNDMessageHandler> ref(weak_factory_.GetWeakPtr()); 20725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DefWindowProc(hwnd(), WM_SYSCOMMAND, notification_code, 20735d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) MAKELPARAM(point.x(), point.y())); 2074a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (!ref.get()) 2075a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return; 20765d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) in_size_loop_ = false; 20775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 20785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 20795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 20805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::OnThemeChanged() { 20815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ui::NativeThemeWin::instance()->CloseHandles(); 20825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 20835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 20845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)LRESULT HWNDMessageHandler::OnTouchEvent(UINT message, 20855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WPARAM w_param, 20865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LPARAM l_param) { 20873551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) // Handle touch events only on Aura for now. 20885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int num_points = LOWORD(w_param); 20892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_ptr<TOUCHINPUT[]> input(new TOUCHINPUT[num_points]); 20902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (ui::GetTouchInputInfoWrapper(reinterpret_cast<HTOUCHINPUT>(l_param), 20912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) num_points, input.get(), 20922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) sizeof(TOUCHINPUT))) { 20935d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) int flags = ui::GetModifiersFromKeyState(); 20943551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) TouchEvents touch_events; 20955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int i = 0; i < num_points; ++i) { 209623730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) POINT point; 2097f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) point.x = TOUCH_COORD_TO_PIXEL(input[i].x); 2098f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) point.y = TOUCH_COORD_TO_PIXEL(input[i].y); 209923730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) 210023730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) if (base::win::GetVersion() == base::win::VERSION_WIN7) { 210123730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) // Windows 7 sends touch events for touches in the non-client area, 210223730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) // whereas Windows 8 does not. In order to unify the behaviour, always 210323730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) // ignore touch events in the non-client area. 210423730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) LPARAM l_param_ht = MAKELPARAM(point.x, point.y); 210523730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) LRESULT hittest = SendMessage(hwnd(), WM_NCHITTEST, 0, l_param_ht); 210623730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) 210723730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) if (hittest != HTCLIENT) 210823730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) return 0; 210923730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) } 211023730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) 211123730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) ScreenToClient(hwnd(), &point); 211223730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) 2113c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch last_touch_message_time_ = ::GetMessageTime(); 2114c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch 21152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ui::EventType touch_event_type = ui::ET_UNKNOWN; 21162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 21172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (input[i].dwFlags & TOUCHEVENTF_DOWN) { 21185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) touch_ids_.insert(input[i].dwID); 21192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) touch_event_type = ui::ET_TOUCH_PRESSED; 2120cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) touch_down_contexts_++; 2121a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::MessageLoop::current()->PostDelayedTask( 2122a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) FROM_HERE, 2123a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::Bind(&HWNDMessageHandler::ResetTouchDownContext, 2124a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) weak_factory_.GetWeakPtr()), 2125a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::TimeDelta::FromMilliseconds(kTouchDownContextResetTimeout)); 21262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } else if (input[i].dwFlags & TOUCHEVENTF_UP) { 21275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) touch_ids_.erase(input[i].dwID); 21282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) touch_event_type = ui::ET_TOUCH_RELEASED; 21292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } else if (input[i].dwFlags & TOUCHEVENTF_MOVE) { 21302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) touch_event_type = ui::ET_TOUCH_MOVED; 21312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 21322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (touch_event_type != ui::ET_UNKNOWN) { 2133c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch base::TimeTicks now; 2134c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch // input[i].dwTime doesn't necessarily relate to the system time at all, 2135c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch // so use base::TimeTicks::HighResNow() if possible, or 2136c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch // base::TimeTicks::Now() otherwise. 2137c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch if (base::TimeTicks::IsHighResNowFastAndReliable()) 2138c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch now = base::TimeTicks::HighResNow(); 2139c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch else 2140c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch now = base::TimeTicks::Now(); 2141c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch ui::TouchEvent event(touch_event_type, 2142c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch gfx::Point(point.x, point.y), 2143c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch id_generator_.GetGeneratedID(input[i].dwID), 2144c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch now - base::TimeTicks()); 21455d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) event.set_flags(flags); 2146c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch event.latency()->AddLatencyNumberWithTimestamp( 2147c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch ui::INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT, 2148c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch 0, 2149c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch 0, 2150c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch base::TimeTicks::FromInternalValue( 2151c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch event.time_stamp().ToInternalValue()), 2152c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch 1); 2153c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch 21543551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) touch_events.push_back(event); 2155d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) if (touch_event_type == ui::ET_TOUCH_RELEASED) 2156d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) id_generator_.ReleaseNumber(input[i].dwID); 21572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 21585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 21593551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) // Handle the touch events asynchronously. We need this because touch 21603551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) // events on windows don't fire if we enter a modal loop in the context of 21613551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) // a touch event. 21623551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) base::MessageLoop::current()->PostTask( 21633551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) FROM_HERE, 21643551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) base::Bind(&HWNDMessageHandler::HandleTouchEvents, 216558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) weak_factory_.GetWeakPtr(), touch_events)); 21665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 21675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CloseTouchInputHandle(reinterpret_cast<HTOUCHINPUT>(l_param)); 21685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetMsgHandled(FALSE); 21695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return 0; 21705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 21715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 21725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::OnWindowPosChanging(WINDOWPOS* window_pos) { 21735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (ignore_window_pos_changes_) { 21745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If somebody's trying to toggle our visibility, change the nonclient area, 21755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // change our Z-order, or activate us, we should probably let it go through. 21765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!(window_pos->flags & ((IsVisible() ? SWP_HIDEWINDOW : SWP_SHOWWINDOW) | 21775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SWP_FRAMECHANGED)) && 21785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (window_pos->flags & (SWP_NOZORDER | SWP_NOACTIVATE))) { 21795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Just sizing/moving the window; ignore. 21805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) window_pos->flags |= SWP_NOSIZE | SWP_NOMOVE | SWP_NOREDRAW; 21815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) window_pos->flags &= ~(SWP_SHOWWINDOW | SWP_HIDEWINDOW); 21825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 21835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else if (!GetParent(hwnd())) { 21845d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) RECT window_rect; 21855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HMONITOR monitor; 21865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Rect monitor_rect, work_area; 21875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (GetWindowRect(hwnd(), &window_rect) && 21885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetMonitorAndRects(window_rect, &monitor, &monitor_rect, &work_area)) { 21895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool work_area_changed = (monitor_rect == last_monitor_rect_) && 21905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (work_area != last_work_area_); 21915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (monitor && (monitor == last_monitor_) && 21925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ((fullscreen_handler_->fullscreen() && 21935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) !fullscreen_handler_->metro_snap()) || 21945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) work_area_changed)) { 21955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // A rect for the monitor we're on changed. Normally Windows notifies 21965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // us about this (and thus we're reaching here due to the SetWindowPos() 21975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // call in OnSettingChange() above), but with some software (e.g. 21985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // nVidia's nView desktop manager) the work area can change asynchronous 21995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // to any notification, and we're just sent a SetWindowPos() call with a 22005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // new (frequently incorrect) position/size. In either case, the best 22015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // response is to throw away the existing position/size information in 22025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // |window_pos| and recalculate it based on the new work rect. 22035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Rect new_window_rect; 22045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (fullscreen_handler_->fullscreen()) { 22055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_window_rect = monitor_rect; 22065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else if (IsMaximized()) { 22075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_window_rect = work_area; 220846d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) int border_thickness = GetSystemMetrics(SM_CXSIZEFRAME); 22095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_window_rect.Inset(-border_thickness, -border_thickness); 22105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 22115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_window_rect = gfx::Rect(window_rect); 22125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_window_rect.AdjustToFit(work_area); 22135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 22145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) window_pos->x = new_window_rect.x(); 22155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) window_pos->y = new_window_rect.y(); 22165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) window_pos->cx = new_window_rect.width(); 22175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) window_pos->cy = new_window_rect.height(); 22185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // WARNING! Don't set SWP_FRAMECHANGED here, it breaks moving the child 22195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // HWNDs for some reason. 22205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) window_pos->flags &= ~(SWP_NOSIZE | SWP_NOMOVE | SWP_NOREDRAW); 22215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) window_pos->flags |= SWP_NOCOPYBITS; 22225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 22235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Now ignore all immediately-following SetWindowPos() changes. Windows 22245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // likes to (incorrectly) recalculate what our position/size should be 22255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // and send us further updates. 22265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ignore_window_pos_changes_ = true; 2227c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::MessageLoop::current()->PostTask( 22285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FROM_HERE, 22295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Bind(&HWNDMessageHandler::StopIgnoringPosChanges, 223058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) weak_factory_.GetWeakPtr())); 22315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 22325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_monitor_ = monitor; 22335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_monitor_rect_ = monitor_rect; 22345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_work_area_ = work_area; 22355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 22365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 22375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2238cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (DidClientAreaSizeChange(window_pos)) 2239cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) delegate_->HandleWindowSizeChanging(); 2240cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 22415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (ScopedFullscreenVisibility::IsHiddenForFullscreen(hwnd())) { 22425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Prevent the window from being made visible if we've been asked to do so. 22435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // See comment in header as to why we might want this. 22445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) window_pos->flags &= ~SWP_SHOWWINDOW; 22455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 22465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 22473551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) if (window_pos->flags & SWP_SHOWWINDOW) 22483551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) delegate_->HandleVisibilityChanging(true); 22493551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) else if (window_pos->flags & SWP_HIDEWINDOW) 22503551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) delegate_->HandleVisibilityChanging(false); 22513551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 22525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetMsgHandled(FALSE); 22535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 22545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 22555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HWNDMessageHandler::OnWindowPosChanged(WINDOWPOS* window_pos) { 22565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (DidClientAreaSizeChange(window_pos)) 22575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ClientAreaSizeChanged(); 22585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (remove_standard_frame_ && window_pos->flags & SWP_FRAMECHANGED && 2259d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch ui::win::IsAeroGlassEnabled() && 2260d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch (window_ex_style() & WS_EX_COMPOSITED) == 0) { 22615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MARGINS m = {10, 10, 10, 10}; 22625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DwmExtendFrameIntoClientArea(hwnd(), &m); 22635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 22645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (window_pos->flags & SWP_SHOWWINDOW) 22655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->HandleVisibilityChanged(true); 22665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else if (window_pos->flags & SWP_HIDEWINDOW) 22675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->HandleVisibilityChanged(false); 22685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetMsgHandled(FALSE); 22695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 22705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 22713551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)void HWNDMessageHandler::HandleTouchEvents(const TouchEvents& touch_events) { 2272a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) base::WeakPtr<HWNDMessageHandler> ref(weak_factory_.GetWeakPtr()); 2273a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) for (size_t i = 0; i < touch_events.size() && ref; ++i) 22743551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) delegate_->HandleTouchEvent(touch_events[i]); 22753551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)} 22763551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 2277a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void HWNDMessageHandler::ResetTouchDownContext() { 2278cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) touch_down_contexts_--; 2279a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} 2280a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 2281a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)LRESULT HWNDMessageHandler::HandleMouseEventInternal(UINT message, 2282a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) WPARAM w_param, 2283a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) LPARAM l_param, 2284a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) bool track_mouse) { 2285a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (!touch_ids_.empty()) 2286a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return 0; 2287a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // We handle touch events on Windows Aura. Windows generates synthesized 2288a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // mouse messages in response to touch which we should ignore. However touch 2289a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // messages are only received for the client area. We need to ignore the 2290a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // synthesized mouse messages for all points in the client area and places 2291a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // which return HTNOWHERE. 2292a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (ui::IsMouseEventFromTouch(message)) { 2293a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) LPARAM l_param_ht = l_param; 2294a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // For mouse events (except wheel events), location is in window coordinates 2295a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // and should be converted to screen coordinates for WM_NCHITTEST. 2296a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (message != WM_MOUSEWHEEL && message != WM_MOUSEHWHEEL) { 2297a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) POINT screen_point = CR_POINT_INITIALIZER_FROM_LPARAM(l_param_ht); 2298a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) MapWindowPoints(hwnd(), HWND_DESKTOP, &screen_point, 1); 2299a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) l_param_ht = MAKELPARAM(screen_point.x, screen_point.y); 2300a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) } 2301a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) LRESULT hittest = SendMessage(hwnd(), WM_NCHITTEST, 0, l_param_ht); 2302a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (hittest == HTCLIENT || hittest == HTNOWHERE) 2303a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return 0; 2304a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) } 2305a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 2306a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch // Certain logitech drivers send the WM_MOUSEHWHEEL message to the parent 2307a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch // followed by WM_MOUSEWHEEL messages to the child window causing a vertical 2308a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch // scroll. We treat these WM_MOUSEWHEEL messages as WM_MOUSEHWHEEL 2309a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch // messages. 2310a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch if (message == WM_MOUSEHWHEEL) 2311a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch last_mouse_hwheel_time_ = ::GetMessageTime(); 2312a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch 2313a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch if (message == WM_MOUSEWHEEL && 2314a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch ::GetMessageTime() == last_mouse_hwheel_time_) { 2315a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch message = WM_MOUSEHWHEEL; 2316a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch } 2317a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch 2318a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (message == WM_RBUTTONUP && is_right_mouse_pressed_on_caption_) { 2319a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) is_right_mouse_pressed_on_caption_ = false; 2320a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ReleaseCapture(); 2321a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // |point| is in window coordinates, but WM_NCHITTEST and TrackPopupMenu() 2322a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // expect screen coordinates. 2323a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) POINT screen_point = CR_POINT_INITIALIZER_FROM_LPARAM(l_param); 2324a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) MapWindowPoints(hwnd(), HWND_DESKTOP, &screen_point, 1); 2325a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) w_param = SendMessage(hwnd(), WM_NCHITTEST, 0, 2326a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) MAKELPARAM(screen_point.x, screen_point.y)); 2327a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (w_param == HTCAPTION || w_param == HTSYSMENU) { 2328a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) gfx::ShowSystemMenuAtPoint(hwnd(), gfx::Point(screen_point)); 2329a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return 0; 2330a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) } 2331a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) } else if (message == WM_NCLBUTTONDOWN && delegate_->IsUsingCustomFrame()) { 2332a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) switch (w_param) { 2333a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) case HTCLOSE: 2334a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) case HTMINBUTTON: 2335a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) case HTMAXBUTTON: { 2336a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // When the mouse is pressed down in these specific non-client areas, 2337a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // we need to tell the RootView to send the mouse pressed event (which 2338a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // sets capture, allowing subsequent WM_LBUTTONUP (note, _not_ 2339a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // WM_NCLBUTTONUP) to fire so that the appropriate WM_SYSCOMMAND can be 2340a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // sent by the applicable button's ButtonListener. We _have_ to do this 2341a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // way rather than letting Windows just send the syscommand itself (as 2342a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // would happen if we never did this dance) because for some insane 2343a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // reason DefWindowProc for WM_NCLBUTTONDOWN also renders the pressed 2344a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // window control button appearance, in the Windows classic style, over 2345a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // our view! Ick! By handling this message we prevent Windows from 2346a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // doing this undesirable thing, but that means we need to roll the 2347a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // sys-command handling ourselves. 2348a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // Combine |w_param| with common key state message flags. 2349a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) w_param |= base::win::IsCtrlPressed() ? MK_CONTROL : 0; 2350a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) w_param |= base::win::IsShiftPressed() ? MK_SHIFT : 0; 2351a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) } 2352a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) } 2353a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) } else if (message == WM_NCRBUTTONDOWN && 2354a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) (w_param == HTCAPTION || w_param == HTSYSMENU)) { 2355a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) is_right_mouse_pressed_on_caption_ = true; 2356a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // We SetCapture() to ensure we only show the menu when the button 2357a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // down and up are both on the caption. Note: this causes the button up to 2358a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // be WM_RBUTTONUP instead of WM_NCRBUTTONUP. 2359a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) SetCapture(); 2360a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) } 2361c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch long message_time = GetMessageTime(); 2362c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch MSG msg = { hwnd(), message, w_param, l_param, message_time, 2363a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) { CR_GET_X_LPARAM(l_param), CR_GET_Y_LPARAM(l_param) } }; 2364a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ui::MouseEvent event(msg); 2365c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch if (IsSynthesizedMouseMessage(message, message_time, l_param)) 2366a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) event.set_flags(event.flags() | ui::EF_FROM_TOUCH); 2367a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 2368a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (!(event.flags() & ui::EF_IS_NON_CLIENT)) 2369a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) delegate_->HandleTooltipMouseMove(message, w_param, l_param); 2370a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 2371a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (event.type() == ui::ET_MOUSE_MOVED && !HasCapture() && track_mouse) { 2372a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // Windows only fires WM_MOUSELEAVE events if the application begins 2373a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // "tracking" mouse events for a given HWND during WM_MOUSEMOVE events. 2374a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // We need to call |TrackMouseEvents| to listen for WM_MOUSELEAVE. 2375a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) TrackMouseEvents((message == WM_NCMOUSEMOVE) ? 2376a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) TME_NONCLIENT | TME_LEAVE : TME_LEAVE); 2377a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) } else if (event.type() == ui::ET_MOUSE_EXITED) { 2378a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // Reset our tracking flags so future mouse movement over this 2379a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // NativeWidget results in a new tracking session. Fall through for 2380a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // OnMouseEvent. 2381a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) active_mouse_tracking_flags_ = 0; 2382a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) } else if (event.type() == ui::ET_MOUSEWHEEL) { 2383a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // Reroute the mouse wheel to the window under the pointer if applicable. 2384a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return (ui::RerouteMouseWheel(hwnd(), w_param, l_param) || 2385a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) delegate_->HandleMouseEvent(ui::MouseWheelEvent(msg))) ? 0 : 1; 2386a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) } 2387a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 2388a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // There are cases where the code handling the message destroys the window, 2389a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // so use the weak ptr to check if destruction occured or not. 2390a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::WeakPtr<HWNDMessageHandler> ref(weak_factory_.GetWeakPtr()); 2391a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) bool handled = delegate_->HandleMouseEvent(event); 2392a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (!ref.get()) 2393a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return 0; 2394a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (!handled && message == WM_NCLBUTTONDOWN && w_param != HTSYSMENU && 2395a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) delegate_->IsUsingCustomFrame()) { 2396a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // TODO(msw): Eliminate undesired painting, or re-evaluate this workaround. 2397a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // DefWindowProc for WM_NCLBUTTONDOWN does weird non-client painting, so we 2398a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // need to call it inside a ScopedRedrawLock. This may cause other negative 2399a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // side-effects (ex/ stifling non-client mouse releases). 2400a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) DefWindowProcWithRedrawLock(message, w_param, l_param); 2401a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) handled = true; 2402a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) } 2403a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 2404a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (ref.get()) 2405a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) SetMsgHandled(handled); 2406a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return 0; 2407a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} 2408a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 2409c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdochbool HWNDMessageHandler::IsSynthesizedMouseMessage(unsigned int message, 2410c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch int message_time, 2411c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch LPARAM l_param) { 2412c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch if (ui::IsMouseEventFromTouch(message)) 2413c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch return true; 2414c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch // Ignore mouse messages which occur at the same location as the current 2415c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch // cursor position and within a time difference of 500 ms from the last 2416c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch // touch message. 2417c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch if (last_touch_message_time_ && message_time >= last_touch_message_time_ && 2418c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch ((message_time - last_touch_message_time_) <= 2419c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch kSynthesizedMouseTouchMessagesTimeDifference)) { 2420c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch POINT mouse_location = CR_POINT_INITIALIZER_FROM_LPARAM(l_param); 2421c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch ::ClientToScreen(hwnd(), &mouse_location); 2422c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch POINT cursor_pos = {0}; 2423c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch ::GetCursorPos(&cursor_pos); 2424c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch if (memcmp(&cursor_pos, &mouse_location, sizeof(POINT))) 2425c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch return false; 2426c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch return true; 2427c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch } 2428c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch return false; 2429c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch} 2430c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch 24315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace views 2432