window_event_dispatcher.cc revision 116680a4aac90f2aa7413d9095a592090648e557
1a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)// Copyright 2014 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) 5a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "ui/aura/window_event_dispatcher.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/bind.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/debug/trace_event.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 10ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch#include "base/message_loop/message_loop.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/aura/client/capture_client.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/aura/client/cursor_client.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/aura/client/event_client.h" 142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "ui/aura/client/focus_client.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/aura/client/screen_position_client.h" 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/aura/env.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/aura/window.h" 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/aura/window_delegate.h" 19a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)#include "ui/aura/window_targeter.h" 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/aura/window_tracker.h" 21f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)#include "ui/aura/window_tree_host.h" 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/base/hit_test.h" 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/compositor/dip_util.h" 24d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)#include "ui/events/event.h" 2568043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)#include "ui/events/gestures/gesture_recognizer.h" 2668043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)#include "ui/events/gestures/gesture_types.h" 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 28f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)typedef ui::EventDispatchDetails DispatchDetails; 29f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace aura { 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Returns true if |target| has a non-client (frame) component at |location|, 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// in window coordinates. 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool IsNonClientLocation(Window* target, const gfx::Point& location) { 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!target->delegate()) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int hit_test_code = target->delegate()->GetNonClientComponent(location); 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return hit_test_code != HTCLIENT && hit_test_code != HTNOWHERE; 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Window* ConsumerToWindow(ui::GestureConsumer* consumer) { 448bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) return consumer ? static_cast<Window*>(consumer) : NULL; 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 47f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)void SetLastMouseLocation(const Window* root_window, 482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const gfx::Point& location_in_root) { 492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client::ScreenPositionClient* client = 502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client::GetScreenPositionClient(root_window); 512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (client) { 522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Point location_in_screen = location_in_root; 532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client->ConvertPointToScreen(root_window, &location_in_screen); 542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) Env::GetInstance()->set_last_mouse_location(location_in_screen); 552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } else { 562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) Env::GetInstance()->set_last_mouse_location(location_in_root); 572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)bool IsEventCandidateForHold(const ui::Event& event) { 615d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (event.type() == ui::ET_TOUCH_MOVED) 625d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return true; 635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (event.type() == ui::ET_MOUSE_DRAGGED) 645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return true; 655d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (event.IsMouseEvent() && (event.flags() & ui::EF_IS_SYNTHESIZED)) 665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return true; 675d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return false; 685d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 69c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 73a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)// WindowEventDispatcher, public: 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)WindowEventDispatcher::WindowEventDispatcher(WindowTreeHost* host) 76a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) : host_(host), 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) touch_ids_down_(0), 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mouse_pressed_handler_(NULL), 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mouse_moved_handler_(NULL), 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) event_dispatch_target_(NULL), 81a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) old_dispatch_target_(NULL), 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) synthesize_mouse_move_(false), 837d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) move_hold_count_(0), 845d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) dispatching_held_event_(false), 85effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch observer_manager_(this), 86f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) repost_event_factory_(this), 870f1bc08d4cfcc34181b0b5cbf065c40f687bf740Torne (Richard Coles) held_event_factory_(this) { 888bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) ui::GestureRecognizer::Get()->AddGestureEventHelper(this); 89effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch Env::GetInstance()->AddObserver(this); 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 92a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)WindowEventDispatcher::~WindowEventDispatcher() { 93a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) TRACE_EVENT0("shutdown", "WindowEventDispatcher::Destructor"); 94effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch Env::GetInstance()->RemoveObserver(this); 958bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) ui::GestureRecognizer::Get()->RemoveGestureEventHelper(this); 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 98a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::RepostEvent(const ui::LocatedEvent& event) { 993551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) DCHECK(event.type() == ui::ET_MOUSE_PRESSED || 1003551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) event.type() == ui::ET_GESTURE_TAP_DOWN); 1012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // We allow for only one outstanding repostable event. This is used 1022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // in exiting context menus. A dropped repost request is allowed. 1032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (event.type() == ui::ET_MOUSE_PRESSED) { 1042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) held_repostable_event_.reset( 1052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) new ui::MouseEvent( 1062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) static_cast<const ui::MouseEvent&>(event), 1072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) static_cast<aura::Window*>(event.target()), 108f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) window())); 1095d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::MessageLoop::current()->PostNonNestableTask( 110a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) FROM_HERE, base::Bind( 111a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::IgnoreResult(&WindowEventDispatcher::DispatchHeldEvents), 112a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) repost_event_factory_.GetWeakPtr())); 1132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } else { 1141e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) DCHECK(event.type() == ui::ET_GESTURE_TAP_DOWN); 1151e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) held_repostable_event_.reset(); 1161e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) // TODO(rbyers): Reposing of gestures is tricky to get 1171e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) // right, so it's not yet supported. crbug.com/170987. 1182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 1192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 121a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::OnMouseEventsEnableStateChanged(bool enabled) { 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Send entered / exited so that visual state can be updated to match 1232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // mouse events state. 1245c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu PostSynthesizeMouseMove(); 1252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // TODO(mazda): Add code to disable mouse events when |enabled| == false. 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 128a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::DispatchCancelModeEvent() { 129a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ui::CancelModeEvent event; 130a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) Window* focused_window = client::GetFocusClient(window())->GetFocusedWindow(); 131a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (focused_window && !window()->Contains(focused_window)) 132a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) focused_window = NULL; 133a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) DispatchDetails details = 134a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) DispatchEvent(focused_window ? focused_window : window(), &event); 135a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (details.dispatcher_destroyed) 136a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return; 137a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} 138a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 139a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::DispatchGestureEvent(ui::GestureEvent* event) { 140f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) DispatchDetails details = DispatchHeldEvents(); 141f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (details.dispatcher_destroyed) 142f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) return; 1432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) Window* target = GetGestureTarget(event); 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (target) { 146f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) event->ConvertLocationToTarget(window(), target); 147a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) DispatchDetails details = DispatchEvent(target, event); 148f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (details.dispatcher_destroyed) 149f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) return; 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 153116680a4aac90f2aa7413d9095a592090648e557Ben MurdochDispatchDetails WindowEventDispatcher::DispatchMouseExitAtPoint( 154116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch const gfx::Point& point) { 1555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ui::MouseEvent event(ui::ET_MOUSE_EXITED, point, point, ui::EF_NONE, 1565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ui::EF_NONE); 157116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch return DispatchMouseEnterOrExit(event, ui::ET_MOUSE_EXITED); 15890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)} 15990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 160a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::ProcessedTouchEvent(ui::TouchEvent* event, 161a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) Window* window, 162a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ui::EventResult result) { 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<ui::GestureRecognizer::Gestures> gestures; 1648bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) gestures.reset(ui::GestureRecognizer::Get()-> 1658bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) ProcessTouchEventForGesture(*event, result, window)); 166f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) DispatchDetails details = ProcessGestures(gestures.get()); 167f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (details.dispatcher_destroyed) 168f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) return; 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 171a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::HoldPointerMoves() { 1727d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) if (!move_hold_count_) 1732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) held_event_factory_.InvalidateWeakPtrs(); 1747d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) ++move_hold_count_; 175a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) TRACE_EVENT_ASYNC_BEGIN0("ui", "WindowEventDispatcher::HoldPointerMoves", 176a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) this); 1777d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)} 1787d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 179a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::ReleasePointerMoves() { 1807d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) --move_hold_count_; 1817d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) DCHECK_GE(move_hold_count_, 0); 1827d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) if (!move_hold_count_ && held_move_event_) { 1837d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // We don't want to call DispatchHeldEvents directly, because this might be 1847d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // called from a deep stack while another event, in which case dispatching 1857d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // another one may not be safe/expected. Instead we post a task, that we 1867d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // may cancel if HoldPointerMoves is called again before it executes. 1875d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::MessageLoop::current()->PostNonNestableTask( 188a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) FROM_HERE, base::Bind( 189a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::IgnoreResult(&WindowEventDispatcher::DispatchHeldEvents), 190a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) held_event_factory_.GetWeakPtr())); 1915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 192a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) TRACE_EVENT_ASYNC_END0("ui", "WindowEventDispatcher::HoldPointerMoves", this); 1935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 195a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)gfx::Point WindowEventDispatcher::GetLastMouseLocationInRoot() const { 1965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Point location = Env::GetInstance()->last_mouse_location(); 197f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) client::ScreenPositionClient* client = 198f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) client::GetScreenPositionClient(window()); 1995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (client) 200f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) client->ConvertPointFromScreen(window(), &location); 2015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return location; 2025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 204a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::OnCursorMovedToRootLocation( 205a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) const gfx::Point& root_location) { 206a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) SetLastMouseLocation(window(), root_location); 207a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) synthesize_mouse_move_ = false; 208a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} 209a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 210effb81e5f8246d0db0270817048dc992db66e9fbBen Murdochvoid WindowEventDispatcher::OnPostNotifiedWindowDestroying(Window* window) { 211effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch OnWindowHidden(window, WINDOW_DESTROYED); 212effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 213effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 2145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 215a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)// WindowEventDispatcher, private: 2165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 21723730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles)Window* WindowEventDispatcher::window() { 21823730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) return host_->window(); 21923730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles)} 22023730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) 22123730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles)const Window* WindowEventDispatcher::window() const { 22223730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) return host_->window(); 22323730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles)} 22423730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) 225a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::TransformEventForDeviceScaleFactor( 226a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ui::LocatedEvent* event) { 22723730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) event->UpdateForRootTransform(host_->GetInverseRootTransform()); 2282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 230effb81e5f8246d0db0270817048dc992db66e9fbBen Murdochvoid WindowEventDispatcher::DispatchMouseExitToHidingWindow(Window* window) { 231effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // The mouse capture is intentionally ignored. Think that a mouse enters 232effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // to a window, the window sets the capture, the mouse exits the window, 233effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // and then it releases the capture. In that case OnMouseExited won't 234effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // be called. So it is natural not to emit OnMouseExited even though 235effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // |window| is the capture window. 236effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch gfx::Point last_mouse_location = GetLastMouseLocationInRoot(); 237effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (window->Contains(mouse_moved_handler_) && 238116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch window->ContainsPointInRoot(last_mouse_location)) { 239116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch DispatchDetails details = DispatchMouseExitAtPoint(last_mouse_location); 240116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch if (details.dispatcher_destroyed) 241116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch return; 242116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch } 243effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 244effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 245a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)ui::EventDispatchDetails WindowEventDispatcher::DispatchMouseEnterOrExit( 246f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const ui::MouseEvent& event, 247f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) ui::EventType type) { 2485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (event.type() != ui::ET_MOUSE_CAPTURE_CHANGED && 2495d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) !(event.flags() & ui::EF_IS_SYNTHESIZED)) { 2505d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) SetLastMouseLocation(window(), event.root_location()); 2515d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 2525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 25323730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) if (!mouse_moved_handler_ || !mouse_moved_handler_->delegate() || 25423730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) !window()->Contains(mouse_moved_handler_)) 255f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) return DispatchDetails(); 2565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2575d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // |event| may be an event in the process of being dispatched to a target (in 2585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // which case its locations will be in the event's target's coordinate 2595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // system), or a synthetic event created in root-window (in which case, the 2605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // event's target will be NULL, and the event will be in the root-window's 2615d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // coordinate system. 2625d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) aura::Window* target = static_cast<Window*>(event.target()); 2635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!target) 2645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) target = window(); 2652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ui::MouseEvent translated_event(event, 2665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) target, 2672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) mouse_moved_handler_, 2682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) type, 269eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch event.flags() | ui::EF_IS_SYNTHESIZED); 270a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return DispatchEvent(mouse_moved_handler_, &translated_event); 2715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 273a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)ui::EventDispatchDetails WindowEventDispatcher::ProcessGestures( 274f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) ui::GestureRecognizer::Gestures* gestures) { 275f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) DispatchDetails details; 2762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!gestures || gestures->empty()) 277f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) return details; 2782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) Window* target = GetGestureTarget(gestures->get().at(0)); 2802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (size_t i = 0; i < gestures->size(); ++i) { 2812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ui::GestureEvent* event = gestures->get().at(i); 282f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) event->ConvertLocationToTarget(window(), target); 283a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) details = DispatchEvent(target, event); 284f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (details.dispatcher_destroyed || details.target_destroyed) 2852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) break; 2865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 287f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) return details; 2885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 290a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::OnWindowHidden(Window* invisible, 291a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) WindowHiddenReason reason) { 2925d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // If the window the mouse was pressed in becomes invisible, it should no 2935d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // longer receive mouse events. 2945d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (invisible->Contains(mouse_pressed_handler_)) 2955d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) mouse_pressed_handler_ = NULL; 2965d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (invisible->Contains(mouse_moved_handler_)) 2975d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) mouse_moved_handler_ = NULL; 2985d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 299a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // If events are being dispatched from a nested message-loop, and the target 300a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // of the outer loop is hidden or moved to another dispatcher during 301a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // dispatching events in the inner loop, then reset the target for the outer 302a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // loop. 303a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (invisible->Contains(old_dispatch_target_)) 304a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) old_dispatch_target_ = NULL; 305a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 306c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch invisible->CleanupGestureState(); 3075d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 3082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Do not clear the capture, and the |event_dispatch_target_| if the 309effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // window is moving across hosts, because the target itself is actually still 310effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // visible and clearing them stops further event processing, which can cause 311effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // unexpected behaviors. See crbug.com/157583 3125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (reason != WINDOW_MOVING) { 313effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // We don't ask |invisible| here, because invisible may have been removed 314effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // from the window hierarchy already by the time this function is called 315effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // (OnWindowDestroyed). 316effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch client::CaptureClient* capture_client = 317effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch client::GetCaptureClient(host_->window()); 318effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch Window* capture_window = 319effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch capture_client ? capture_client->GetCaptureWindow() : NULL; 3205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (invisible->Contains(event_dispatch_target_)) 3225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) event_dispatch_target_ = NULL; 3235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3245d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // If the ancestor of the capture window is hidden, release the capture. 3255d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Note that this may delete the window so do not use capture_window 3265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // after this. 3275d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (invisible->Contains(capture_window) && invisible != window()) 3285d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) capture_window->ReleaseCapture(); 3295d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 3305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 332effb81e5f8246d0db0270817048dc992db66e9fbBen MurdochWindow* WindowEventDispatcher::GetGestureTarget(ui::GestureEvent* event) { 333effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch Window* target = NULL; 334effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!event->IsEndingEvent()) { 335effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // The window that received the start event (e.g. scroll begin) needs to 336effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // receive the end event (e.g. scroll end). 337effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch target = client::GetCaptureWindow(window()); 338effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 339effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!target) { 340effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch target = ConsumerToWindow( 341effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ui::GestureRecognizer::Get()->GetTargetForGestureEvent(*event)); 342effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 343effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 344effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return target; 345effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 346effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 3478bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 348a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)// WindowEventDispatcher, aura::client::CaptureDelegate implementation: 3498bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 350a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::UpdateCapture(Window* old_capture, 351a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) Window* new_capture) { 3528bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) // |mouse_moved_handler_| may have been set to a Window in a different root 3538bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) // (see below). Clear it here to ensure we don't end up referencing a stale 3548bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) // Window. 355f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (mouse_moved_handler_ && !window()->Contains(mouse_moved_handler_)) 3568bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) mouse_moved_handler_ = NULL; 3578bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 358f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (old_capture && old_capture->GetRootWindow() == window() && 3598bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) old_capture->delegate()) { 3608bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) // Send a capture changed event with bogus location data. 3618bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) ui::MouseEvent event(ui::ET_MOUSE_CAPTURE_CHANGED, gfx::Point(), 3625d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) gfx::Point(), 0, 0); 3638bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 364a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) DispatchDetails details = DispatchEvent(old_capture, &event); 365f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (details.dispatcher_destroyed) 366f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) return; 3678bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 3688bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) old_capture->delegate()->OnCaptureLost(); 3698bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) } 3708bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 3718bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) if (new_capture) { 3728bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) // Make all subsequent mouse events go to the capture window. We shouldn't 3738bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) // need to send an event here as OnCaptureLost() should take care of that. 3748bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) if (mouse_moved_handler_ || Env::GetInstance()->IsMouseButtonDown()) 3758bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) mouse_moved_handler_ = new_capture; 3768bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) } else { 3778bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) // Make sure mouse_moved_handler gets updated. 3785c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu DispatchDetails details = SynthesizeMouseMoveEvent(); 379f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (details.dispatcher_destroyed) 380f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) return; 3818bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) } 3828bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) mouse_pressed_handler_ = NULL; 3838bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)} 3848bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 385a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::OnOtherRootGotCapture() { 386116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch if (mouse_moved_handler_) { 387116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // Dispatch a mouse exit to reset any state associated with hover. This is 388116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // important when going from no window having capture to a window having 389116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // capture because we do not dispatch ET_MOUSE_CAPTURE_CHANGED in this case. 390116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch DispatchDetails details = DispatchMouseExitAtPoint( 391116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch GetLastMouseLocationInRoot()); 392116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch if (details.dispatcher_destroyed) 393116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch return; 394116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch } 395116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 3961e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) mouse_moved_handler_ = NULL; 3971e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) mouse_pressed_handler_ = NULL; 3981e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)} 3991e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) 400a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::SetNativeCapture() { 4018bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) host_->SetCapture(); 4028bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)} 4038bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 404a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::ReleaseNativeCapture() { 4058bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) host_->ReleaseCapture(); 4068bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)} 4078bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 4088bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 409a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)// WindowEventDispatcher, ui::EventProcessor implementation: 410a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)ui::EventTarget* WindowEventDispatcher::GetRootTarget() { 411a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return window(); 412a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)} 413a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 414a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::PrepareEventForDispatch(ui::Event* event) { 4155d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (dispatching_held_event_) { 4165d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // The held events are already in |window()|'s coordinate system. So it is 4175d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // not necessary to apply the transform to convert from the host's 4185d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // coordinate system to |window()|'s coordinate system. 4195d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 4205d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 4215d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (event->IsMouseEvent() || 4225d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) event->IsScrollEvent() || 4235d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) event->IsTouchEvent() || 4245d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) event->IsGestureEvent()) { 4255d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) TransformEventForDeviceScaleFactor(static_cast<ui::LocatedEvent*>(event)); 4265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 4275d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 4285d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 429a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 430a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)// WindowEventDispatcher, ui::EventDispatcherDelegate implementation: 4318bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 432a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)bool WindowEventDispatcher::CanDispatchToTarget(ui::EventTarget* target) { 4335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return event_dispatch_target_ == target; 4345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 436a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)ui::EventDispatchDetails WindowEventDispatcher::PreDispatchEvent( 437a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ui::EventTarget* target, 438a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ui::Event* event) { 439a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) Window* target_window = static_cast<Window*>(target); 440a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) CHECK(window()->Contains(target_window)); 441a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 4425d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!dispatching_held_event_) { 4435d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) bool can_be_held = IsEventCandidateForHold(*event); 4445d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!move_hold_count_ || !can_be_held) { 4455d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (can_be_held) 4465d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) held_move_event_.reset(); 4475d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DispatchDetails details = DispatchHeldEvents(); 4485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (details.dispatcher_destroyed || details.target_destroyed) 4495d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return details; 4505d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 4515d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 4525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 4535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (event->IsMouseEvent()) { 4545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) PreDispatchMouseEvent(target_window, static_cast<ui::MouseEvent*>(event)); 4555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } else if (event->IsScrollEvent()) { 4565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) PreDispatchLocatedEvent(target_window, 4575d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) static_cast<ui::ScrollEvent*>(event)); 4585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } else if (event->IsTouchEvent()) { 4595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) PreDispatchTouchEvent(target_window, static_cast<ui::TouchEvent*>(event)); 4605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 461a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) old_dispatch_target_ = event_dispatch_target_; 462a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) event_dispatch_target_ = static_cast<Window*>(target); 463a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return DispatchDetails(); 464a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)} 465a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 466a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)ui::EventDispatchDetails WindowEventDispatcher::PostDispatchEvent( 467a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ui::EventTarget* target, 468a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) const ui::Event& event) { 469a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) DispatchDetails details; 470a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (!target || target != event_dispatch_target_) 471a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) details.target_destroyed = true; 472a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) event_dispatch_target_ = old_dispatch_target_; 473a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) old_dispatch_target_ = NULL; 474a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)#ifndef NDEBUG 475a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) DCHECK(!event_dispatch_target_ || window()->Contains(event_dispatch_target_)); 476a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)#endif 4775d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 4785d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (event.IsTouchEvent() && !details.target_destroyed) { 479f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) // Do not let 'held' touch events contribute to any gestures unless it is 480f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) // being dispatched. 481f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) if (dispatching_held_event_ || !held_move_event_ || 482f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) !held_move_event_->IsTouchEvent()) { 4835d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ui::TouchEvent orig_event(static_cast<const ui::TouchEvent&>(event), 4845d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) static_cast<Window*>(event.target()), window()); 4855d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Get the list of GestureEvents from GestureRecognizer. 4865d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) scoped_ptr<ui::GestureRecognizer::Gestures> gestures; 4875d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) gestures.reset(ui::GestureRecognizer::Get()-> 4885d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ProcessTouchEventForGesture(orig_event, event.result(), 4895d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) static_cast<Window*>(target))); 4905d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return ProcessGestures(gestures.get()); 4915d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 4925d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 4935d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 494a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return details; 495a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)} 496a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 4978bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 498a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)// WindowEventDispatcher, ui::GestureEventHelper implementation: 4998bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 500a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)bool WindowEventDispatcher::CanDispatchToConsumer( 501a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ui::GestureConsumer* consumer) { 502a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) Window* consumer_window = ConsumerToWindow(consumer); 503f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) return (consumer_window && consumer_window->GetRootWindow() == window()); 5048bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)} 5058bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 506a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::DispatchCancelTouchEvent(ui::TouchEvent* event) { 5075d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DispatchDetails details = OnEventFromSource(event); 5085d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (details.dispatcher_destroyed) 5095d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 5105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5128bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 513effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch// WindowEventDispatcher, WindowObserver implementation: 514effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 515effb81e5f8246d0db0270817048dc992db66e9fbBen Murdochvoid WindowEventDispatcher::OnWindowDestroying(Window* window) { 516effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!host_->window()->Contains(window)) 517effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return; 518effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 519effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch DispatchMouseExitToHidingWindow(window); 520effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch SynthesizeMouseMoveAfterChangeToWindow(window); 521effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 522effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 523effb81e5f8246d0db0270817048dc992db66e9fbBen Murdochvoid WindowEventDispatcher::OnWindowDestroyed(Window* window) { 524effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // We observe all windows regardless of what root Window (if any) they're 525effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // attached to. 526effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch observer_manager_.Remove(window); 527effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 528effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 529effb81e5f8246d0db0270817048dc992db66e9fbBen Murdochvoid WindowEventDispatcher::OnWindowAddedToRootWindow(Window* attached) { 530effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!observer_manager_.IsObserving(attached)) 531effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch observer_manager_.Add(attached); 532effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 533effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!host_->window()->Contains(attached)) 534effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return; 535effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 536effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch SynthesizeMouseMoveAfterChangeToWindow(attached); 537effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 538effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 539effb81e5f8246d0db0270817048dc992db66e9fbBen Murdochvoid WindowEventDispatcher::OnWindowRemovingFromRootWindow(Window* detached, 540effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch Window* new_root) { 541effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!host_->window()->Contains(detached)) 542effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return; 543effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 544effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch DCHECK(client::GetCaptureWindow(window()) != window()); 545effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 546effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch DispatchMouseExitToHidingWindow(detached); 547effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch SynthesizeMouseMoveAfterChangeToWindow(detached); 548effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 549effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // Hiding the window releases capture which can implicitly destroy the window 550effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // so the window may no longer be valid after this call. 551effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch OnWindowHidden(detached, new_root ? WINDOW_MOVING : WINDOW_HIDDEN); 552effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 553effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 554effb81e5f8246d0db0270817048dc992db66e9fbBen Murdochvoid WindowEventDispatcher::OnWindowVisibilityChanging(Window* window, 555effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bool visible) { 556effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!host_->window()->Contains(window)) 557effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return; 558effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 559effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch DispatchMouseExitToHidingWindow(window); 560effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 561effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 562effb81e5f8246d0db0270817048dc992db66e9fbBen Murdochvoid WindowEventDispatcher::OnWindowVisibilityChanged(Window* window, 563effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bool visible) { 564effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!host_->window()->Contains(window)) 565effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return; 566effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 567effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (window->ContainsPointInRoot(GetLastMouseLocationInRoot())) 5685c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu PostSynthesizeMouseMove(); 569effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 570effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // Hiding the window releases capture which can implicitly destroy the window 571effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch // so the window may no longer be valid after this call. 572effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!visible) 573effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch OnWindowHidden(window, WINDOW_HIDDEN); 574effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 575effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 576effb81e5f8246d0db0270817048dc992db66e9fbBen Murdochvoid WindowEventDispatcher::OnWindowBoundsChanged(Window* window, 577effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch const gfx::Rect& old_bounds, 578effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch const gfx::Rect& new_bounds) { 579effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!host_->window()->Contains(window)) 580effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return; 581effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 582effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (window == host_->window()) { 583effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch TRACE_EVENT1("ui", "WindowEventDispatcher::OnWindowBoundsChanged(root)", 584effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch "size", new_bounds.size().ToString()); 585effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 586effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch DispatchDetails details = DispatchHeldEvents(); 587effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (details.dispatcher_destroyed) 588effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return; 589effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 590effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch synthesize_mouse_move_ = false; 591effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 592effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 5930529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch if (window->IsVisible() && !window->ignore_events()) { 594effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch gfx::Rect old_bounds_in_root = old_bounds, new_bounds_in_root = new_bounds; 595effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch Window::ConvertRectToTarget(window->parent(), host_->window(), 596effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch &old_bounds_in_root); 597effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch Window::ConvertRectToTarget(window->parent(), host_->window(), 598effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch &new_bounds_in_root); 599effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch gfx::Point last_mouse_location = GetLastMouseLocationInRoot(); 600effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (old_bounds_in_root.Contains(last_mouse_location) != 601effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch new_bounds_in_root.Contains(last_mouse_location)) { 6025c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu PostSynthesizeMouseMove(); 603effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 604effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 605effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 606effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 607effb81e5f8246d0db0270817048dc992db66e9fbBen Murdochvoid WindowEventDispatcher::OnWindowTransforming(Window* window) { 608effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!host_->window()->Contains(window)) 609effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return; 610effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 611effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch SynthesizeMouseMoveAfterChangeToWindow(window); 612effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 613effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 614effb81e5f8246d0db0270817048dc992db66e9fbBen Murdochvoid WindowEventDispatcher::OnWindowTransformed(Window* window) { 615effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!host_->window()->Contains(window)) 616effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return; 617effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 618effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch SynthesizeMouseMoveAfterChangeToWindow(window); 619effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 620effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 621effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch/////////////////////////////////////////////////////////////////////////////// 622effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch// WindowEventDispatcher, EnvObserver implementation: 623effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 624effb81e5f8246d0db0270817048dc992db66e9fbBen Murdochvoid WindowEventDispatcher::OnWindowInitialized(Window* window) { 625effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch observer_manager_.Add(window); 626effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 627effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 628effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch//////////////////////////////////////////////////////////////////////////////// 629a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)// WindowEventDispatcher, private: 6305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 631a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)ui::EventDispatchDetails WindowEventDispatcher::DispatchHeldEvents() { 6325d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!held_repostable_event_ && !held_move_event_) 6335d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return DispatchDetails(); 6345d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 6355d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) CHECK(!dispatching_held_event_); 6365d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) dispatching_held_event_ = true; 6375d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 6385d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DispatchDetails dispatch_details; 6395d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (held_repostable_event_) { 6405d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (held_repostable_event_->type() == ui::ET_MOUSE_PRESSED) { 6415d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) scoped_ptr<ui::MouseEvent> mouse_event( 6425d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) static_cast<ui::MouseEvent*>(held_repostable_event_.release())); 6435d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) dispatch_details = OnEventFromSource(mouse_event.get()); 644f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) } else { 6455d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // TODO(rbyers): GESTURE_TAP_DOWN not yet supported: crbug.com/170987. 6465d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) NOTREACHED(); 647f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) } 6485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (dispatch_details.dispatcher_destroyed) 6495d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return dispatch_details; 650f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) } 6515d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 6525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (held_move_event_) { 6535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // If a mouse move has been synthesized, the target location is suspect, 6545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // so drop the held mouse event. 6555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (held_move_event_->IsTouchEvent() || 6565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) (held_move_event_->IsMouseEvent() && !synthesize_mouse_move_)) { 6575d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) dispatch_details = OnEventFromSource(held_move_event_.get()); 6585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 6595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!dispatch_details.dispatcher_destroyed) 6605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) held_move_event_.reset(); 6615d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 6625d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 6635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!dispatch_details.dispatcher_destroyed) 6645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) dispatching_held_event_ = false; 6655d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return dispatch_details; 666f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)} 667f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 6685c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liuvoid WindowEventDispatcher::PostSynthesizeMouseMove() { 6695d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (synthesize_mouse_move_) 6705d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 6715d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) synthesize_mouse_move_ = true; 6725d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::MessageLoop::current()->PostNonNestableTask( 6735d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) FROM_HERE, 674a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::Bind(base::IgnoreResult( 675a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) &WindowEventDispatcher::SynthesizeMouseMoveEvent), 6765c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu held_event_factory_.GetWeakPtr())); 6775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 679effb81e5f8246d0db0270817048dc992db66e9fbBen Murdochvoid WindowEventDispatcher::SynthesizeMouseMoveAfterChangeToWindow( 680effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch Window* window) { 681effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (window->IsVisible() && 682effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch window->ContainsPointInRoot(GetLastMouseLocationInRoot())) { 6835c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu PostSynthesizeMouseMove(); 684effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 685effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 686effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 6875c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liuui::EventDispatchDetails WindowEventDispatcher::SynthesizeMouseMoveEvent() { 6885d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DispatchDetails details; 6895d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!synthesize_mouse_move_) 6905d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return details; 6915d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) synthesize_mouse_move_ = false; 692116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 693116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // If one of the mouse buttons is currently down, then do not synthesize a 694116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // mouse-move event. In such cases, aura could synthesize a DRAGGED event 695116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // instead of a MOVED event, but in multi-display/multi-host scenarios, the 696116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // DRAGGED event can be synthesized in the incorrect host. So avoid 697116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // synthesizing any events at all. 698116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch if (Env::GetInstance()->mouse_button_flags()) 699116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch return details; 700116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 7015d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) gfx::Point root_mouse_location = GetLastMouseLocationInRoot(); 7025d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!window()->bounds().Contains(root_mouse_location)) 7035d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return details; 7045d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) gfx::Point host_mouse_location = root_mouse_location; 70523730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) host_->ConvertPointToHost(&host_mouse_location); 7065c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu ui::MouseEvent event(ui::ET_MOUSE_MOVED, 7075c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu host_mouse_location, 7085c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu host_mouse_location, 7095c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu ui::EF_IS_SYNTHESIZED, 7105c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 0); 7115d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return OnEventFromSource(&event); 7125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 7135d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 714a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::PreDispatchLocatedEvent(Window* target, 715a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ui::LocatedEvent* event) { 7165d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) int flags = event->flags(); 7175d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (IsNonClientLocation(target, event->location())) 7185d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) flags |= ui::EF_IS_NON_CLIENT; 7195d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) event->set_flags(flags); 7205d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 7215d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!dispatching_held_event_ && 7225d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) (event->IsMouseEvent() || event->IsScrollEvent()) && 7235d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) !(event->flags() & ui::EF_IS_SYNTHESIZED)) { 7245d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (event->type() != ui::ET_MOUSE_CAPTURE_CHANGED) 7255d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) SetLastMouseLocation(window(), event->root_location()); 7265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) synthesize_mouse_move_ = false; 7274e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) } 7282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 7292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 730a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::PreDispatchMouseEvent(Window* target, 731a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ui::MouseEvent* event) { 732f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) client::CursorClient* cursor_client = client::GetCursorClient(window()); 733c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch // We allow synthesized mouse exit events through even if mouse events are 734c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch // disabled. This ensures that hover state, etc on controls like buttons is 735c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch // cleared. 736eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch if (cursor_client && 737eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch !cursor_client->IsMouseEventsEnabled() && 738c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch (event->flags() & ui::EF_IS_SYNTHESIZED) && 739c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch (event->type() != ui::ET_MOUSE_EXITED)) { 7405d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) event->SetHandled(); 7415d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 7425d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 743eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 7445d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (IsEventCandidateForHold(*event) && !dispatching_held_event_) { 7455d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (move_hold_count_) { 7465d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!(event->flags() & ui::EF_IS_SYNTHESIZED) && 7475d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) event->type() != ui::ET_MOUSE_CAPTURE_CHANGED) { 7485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) SetLastMouseLocation(window(), event->root_location()); 7495d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 7505d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) held_move_event_.reset(new ui::MouseEvent(*event, target, window())); 7515d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) event->SetHandled(); 7525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 7535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } else { 7545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // We may have a held event for a period between the time move_hold_count_ 7555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // fell to 0 and the DispatchHeldEvents executes. Since we're going to 7565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // dispatch the new event directly below, we can reset the old one. 7575d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) held_move_event_.reset(); 7585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 7595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 7605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 7615d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const int kMouseButtonFlagMask = ui::EF_LEFT_MOUSE_BUTTON | 7625d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ui::EF_MIDDLE_MOUSE_BUTTON | 7635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ui::EF_RIGHT_MOUSE_BUTTON; 7645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (event->type()) { 7652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) case ui::ET_MOUSE_EXITED: 7665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!target || target == window()) { 767f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) DispatchDetails details = 768f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) DispatchMouseEnterOrExit(*event, ui::ET_MOUSE_EXITED); 7695d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (details.dispatcher_destroyed) { 7705d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) event->SetHandled(); 7715d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 7725d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 7738bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) mouse_moved_handler_ = NULL; 7742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 7752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) break; 7765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case ui::ET_MOUSE_MOVED: 77758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // Send an exit to the current |mouse_moved_handler_| and an enter to 77858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // |target|. Take care that both us and |target| aren't destroyed during 77958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // dispatch. 78058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) if (target != mouse_moved_handler_) { 78158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) aura::Window* old_mouse_moved_handler = mouse_moved_handler_; 7825d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) WindowTracker live_window; 7835d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) live_window.Add(target); 784f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) DispatchDetails details = 785f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) DispatchMouseEnterOrExit(*event, ui::ET_MOUSE_EXITED); 7865d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (details.dispatcher_destroyed) { 7875d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) event->SetHandled(); 7885d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 7895d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 79058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // If the |mouse_moved_handler_| changes out from under us, assume a 79158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // nested message loop ran and we don't need to do anything. 7925d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (mouse_moved_handler_ != old_mouse_moved_handler) { 7935d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) event->SetHandled(); 7945d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 7955d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 7965d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!live_window.Contains(target) || details.target_destroyed) { 7978bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) mouse_moved_handler_ = NULL; 7985d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) event->SetHandled(); 7995d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 8005d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 8015d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) live_window.Remove(target); 8025d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 8035d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) mouse_moved_handler_ = target; 8045d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) details = DispatchMouseEnterOrExit(*event, ui::ET_MOUSE_ENTERED); 8055d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (details.dispatcher_destroyed || details.target_destroyed) { 8065d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) event->SetHandled(); 8075d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 80858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) } 80958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) } 8105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 8115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case ui::ET_MOUSE_PRESSED: 8122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Don't set the mouse pressed handler for non client mouse down events. 8132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // These are only sent by Windows and are not always followed with non 8142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // client mouse up events which causes subsequent mouse events to be 8152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // sent to the wrong target. 8162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!(event->flags() & ui::EF_IS_NON_CLIENT) && !mouse_pressed_handler_) 8175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mouse_pressed_handler_ = target; 818eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch Env::GetInstance()->set_mouse_button_flags( 819eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch event->flags() & kMouseButtonFlagMask); 8205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 8215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case ui::ET_MOUSE_RELEASED: 8225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mouse_pressed_handler_ = NULL; 823eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch Env::GetInstance()->set_mouse_button_flags(event->flags() & 824eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch kMouseButtonFlagMask & ~event->changed_button_flags()); 8255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 8265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default: 8275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 8285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8295d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 8305d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) PreDispatchLocatedEvent(target, event); 8315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 8325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 833a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void WindowEventDispatcher::PreDispatchTouchEvent(Window* target, 834a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ui::TouchEvent* event) { 8357d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) switch (event->type()) { 8367d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) case ui::ET_TOUCH_PRESSED: 8377d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) touch_ids_down_ |= (1 << event->touch_id()); 8387d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) Env::GetInstance()->set_touch_down(touch_ids_down_ != 0); 8397d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) break; 8407d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 8417d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // Handle ET_TOUCH_CANCELLED only if it has a native event. 8427d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) case ui::ET_TOUCH_CANCELLED: 8437d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) if (!event->HasNativeEvent()) 8447d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) break; 8457d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) // fallthrough 8467d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) case ui::ET_TOUCH_RELEASED: 8477d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) touch_ids_down_ = (touch_ids_down_ | (1 << event->touch_id())) ^ 8487d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) (1 << event->touch_id()); 8497d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) Env::GetInstance()->set_touch_down(touch_ids_down_ != 0); 8507d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) break; 8517d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 8525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) case ui::ET_TOUCH_MOVED: 8535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (move_hold_count_ && !dispatching_held_event_) { 8545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) held_move_event_.reset(new ui::TouchEvent(*event, target, window())); 8555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) event->SetHandled(); 8565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 8575d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 8587d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) break; 8597d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 8605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) default: 8611e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) NOTREACHED(); 8625d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) break; 8635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) PreDispatchLocatedEvent(target, event); 8655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 8665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace aura 868