focus_controller.cc revision 0de6073388f4e2780db8536178b129cd8f6ab386
12a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 22a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 32a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// found in the LICENSE file. 42a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "ui/wm/core/focus_controller.h" 62a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 72a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/auto_reset.h" 82a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "ui/aura/client/aura_constants.h" 92a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "ui/aura/client/capture_client.h" 102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "ui/aura/client/focus_change_observer.h" 112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "ui/aura/env.h" 125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "ui/aura/window_tracker.h" 13010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles)#include "ui/base/ime/text_input_focus_manager.h" 14d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)#include "ui/events/event.h" 15a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "ui/wm/core/focus_rules.h" 16a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "ui/wm/core/window_util.h" 17effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch#include "ui/wm/public/activation_change_observer.h" 182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 19a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)namespace wm { 202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)namespace { 212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// When a modal window is activated, we bring its entire transient parent chain 232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// to the front. This function must be called before the modal transient is 242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// stacked at the top to ensure correct stacking order. 252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void StackTransientParentsBelowModalWindow(aura::Window* window) { 262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (window->GetProperty(aura::client::kModalKey) != ui::MODAL_TYPE_WINDOW) 272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 29a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) aura::Window* transient_parent = wm::GetTransientParent(window); 302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) while (transient_parent) { 312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) transient_parent->parent()->StackChildAtTop(transient_parent); 32a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) transient_parent = wm::GetTransientParent(transient_parent); 332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} // namespace 372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// FocusController, public: 402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)FocusController::FocusController(FocusRules* rules) 422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : active_window_(NULL), 432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) focused_window_(NULL), 442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) updating_focus_(false), 452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) updating_activation_(false), 462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) rules_(rules), 47c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) observer_manager_(this) { 482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(rules); 492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)FocusController::~FocusController() { 522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// FocusController, aura::client::ActivationClient implementation: 562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::AddObserver( 582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::client::ActivationChangeObserver* observer) { 592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) activation_observers_.AddObserver(observer); 602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::RemoveObserver( 632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::client::ActivationChangeObserver* observer) { 642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) activation_observers_.RemoveObserver(observer); 652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::ActivateWindow(aura::Window* window) { 682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) FocusWindow(window); 692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::DeactivateWindow(aura::Window* window) { 722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (window) 732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) FocusWindow(rules_->GetNextActivatableWindow(window)); 742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)aura::Window* FocusController::GetActiveWindow() { 772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return active_window_; 782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)aura::Window* FocusController::GetActivatableWindow(aura::Window* window) { 812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return rules_->GetActivatableWindow(window); 822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)aura::Window* FocusController::GetToplevelWindow(aura::Window* window) { 852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return rules_->GetToplevelWindow(window); 862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool FocusController::OnWillFocusWindow(aura::Window* window, 892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const ui::Event* event) { 902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NOTREACHED(); 912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return false; 922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool FocusController::CanActivateWindow(aura::Window* window) const { 952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return rules_->CanActivateWindow(window); 962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// FocusController, aura::client::FocusClient implementation: 1002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::AddObserver( 1022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::client::FocusChangeObserver* observer) { 1032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) focus_observers_.AddObserver(observer); 1042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::RemoveObserver( 1072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::client::FocusChangeObserver* observer) { 1082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) focus_observers_.RemoveObserver(observer); 1092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::FocusWindow(aura::Window* window) { 1122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (window && 1132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) (window->Contains(focused_window_) || window->Contains(active_window_))) { 1142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 1152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 1162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 11758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // We should not be messing with the focus if the window has capture, unless 11858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // no has focus. 11958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) if (window && (aura::client::GetCaptureWindow(window) == window) && 12058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) focused_window_) { 1212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 12258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) } 1232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Focusing a window also activates its containing activatable window. Note 1252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // that the rules could redirect activation activation and/or focus. 1262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::Window* focusable = rules_->GetFocusableWindow(window); 1272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::Window* activatable = 1282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) focusable ? rules_->GetActivatableWindow(focusable) : NULL; 1292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // We need valid focusable/activatable windows in the event we're not clearing 1312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // focus. "Clearing focus" is inferred by whether or not |window| passed to 1322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // this function is non-NULL. 1332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (window && (!focusable || !activatable)) 1342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 1352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK((focusable && activatable) || !window); 1362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Activation change observers may change the focused window. If this happens 1382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // we must not adjust the focus below since this will clobber that change. 1392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::Window* last_focused_window = focused_window_; 1402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!updating_activation_) 141c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) SetActiveWindow(window, activatable); 1422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // If the window's ActivationChangeObserver shifted focus to a valid window, 1442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // we don't want to focus the window we thought would be focused by default. 1452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool activation_changed_focus = last_focused_window != focused_window_; 1462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!updating_focus_ && (!activation_changed_focus || !focused_window_)) { 1472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (active_window_ && focusable) 1482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(active_window_->Contains(focusable)); 1492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SetFocusedWindow(focusable); 1502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 1512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::ResetFocusWithinActiveWindow(aura::Window* window) { 1542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(window); 1552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!active_window_) 1562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 1572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!active_window_->Contains(window)) 1582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 1592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SetFocusedWindow(window); 1602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)aura::Window* FocusController::GetFocusedWindow() { 1632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return focused_window_; 1642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 1672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// FocusController, ui::EventHandler implementation: 1682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::OnKeyEvent(ui::KeyEvent* event) { 1692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::OnMouseEvent(ui::MouseEvent* event) { 1720de6073388f4e2780db8536178b129cd8f6ab386Torne (Richard Coles) if (event->type() == ui::ET_MOUSE_PRESSED && !event->handled()) 1732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) WindowFocusedFromInputEvent(static_cast<aura::Window*>(event->target())); 1742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::OnScrollEvent(ui::ScrollEvent* event) { 1772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::OnTouchEvent(ui::TouchEvent* event) { 1802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::OnGestureEvent(ui::GestureEvent* event) { 1832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (event->type() == ui::ET_GESTURE_BEGIN && 1840de6073388f4e2780db8536178b129cd8f6ab386Torne (Richard Coles) event->details().touch_points() == 1 && 1850de6073388f4e2780db8536178b129cd8f6ab386Torne (Richard Coles) !event->handled()) { 1862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) WindowFocusedFromInputEvent(static_cast<aura::Window*>(event->target())); 1872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 1882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 1912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// FocusController, aura::WindowObserver implementation: 1922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::OnWindowVisibilityChanged(aura::Window* window, 1942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool visible) { 19523730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) if (!visible) 1962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) WindowLostFocusFromDispositionChange(window, window->parent()); 1972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::OnWindowDestroying(aura::Window* window) { 2002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) WindowLostFocusFromDispositionChange(window, window->parent()); 2012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::OnWindowHierarchyChanging( 2042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const HierarchyChangeParams& params) { 2052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (params.receiver == active_window_ && 2062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) params.target->Contains(params.receiver) && (!params.new_parent || 2072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::client::GetFocusClient(params.new_parent) != 2082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::client::GetFocusClient(params.receiver))) { 2092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) WindowLostFocusFromDispositionChange(params.receiver, params.old_parent); 2102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 2112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::OnWindowHierarchyChanged( 2142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const HierarchyChangeParams& params) { 2152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (params.receiver == focused_window_ && 2162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) params.target->Contains(params.receiver) && (!params.new_parent || 2172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::client::GetFocusClient(params.new_parent) != 2182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::client::GetFocusClient(params.receiver))) { 2192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) WindowLostFocusFromDispositionChange(params.receiver, params.old_parent); 2202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 2212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 2242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// FocusController, private: 2252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::SetFocusedWindow(aura::Window* window) { 2272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (updating_focus_ || window == focused_window_) 2282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 2292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(rules_->CanFocusWindow(window)); 2302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (window) 2312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK_EQ(window, rules_->GetFocusableWindow(window)); 2322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::AutoReset<bool> updating_focus(&updating_focus_, true); 2342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::Window* lost_focus = focused_window_; 235010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) 236010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) // |window| is going to get the focus, so reset the text input client. 237010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) // OnWindowFocused() may set a proper text input client if the implementation 238010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) // supports text input. 239010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) ui::TextInputFocusManager* text_input_focus_manager = 240010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) ui::TextInputFocusManager::GetInstance(); 241010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) if (window) 242010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) text_input_focus_manager->FocusTextInputClient(NULL); 243010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) 2445d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Allow for the window losing focus to be deleted during dispatch. If it is 2455d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // deleted pass NULL to observers instead of a deleted window. 2465d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) aura::WindowTracker window_tracker; 2475d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (lost_focus) 2485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) window_tracker.Add(lost_focus); 2492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (focused_window_ && observer_manager_.IsObserving(focused_window_) && 2502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) focused_window_ != active_window_) { 2512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) observer_manager_.Remove(focused_window_); 2522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 2532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) focused_window_ = window; 2542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (focused_window_ && !observer_manager_.IsObserving(focused_window_)) 2552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) observer_manager_.Add(focused_window_); 2562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) FOR_EACH_OBSERVER(aura::client::FocusChangeObserver, 2582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) focus_observers_, 2595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) OnWindowFocused(focused_window_, 2605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) window_tracker.Contains(lost_focus) ? 2615d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) lost_focus : NULL)); 2625d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (window_tracker.Contains(lost_focus)) { 2635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) aura::client::FocusChangeObserver* observer = 2645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) aura::client::GetFocusChangeObserver(lost_focus); 2655d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (observer) 2665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) observer->OnWindowFocused(focused_window_, lost_focus); 2675d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 2682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::client::FocusChangeObserver* observer = 2695d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) aura::client::GetFocusChangeObserver(focused_window_); 2705d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (observer) { 2715d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) observer->OnWindowFocused( 2725d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) focused_window_, 2735d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) window_tracker.Contains(lost_focus) ? lost_focus : NULL); 2745d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 275010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) 276010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) // Ensure that the text input client is reset when the window loses the focus. 277010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) if (!window) 278010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) text_input_focus_manager->FocusTextInputClient(NULL); 2792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 281c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)void FocusController::SetActiveWindow(aura::Window* requested_window, 282c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) aura::Window* window) { 283c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (updating_activation_) 2842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 2852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 286c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (window == active_window_) { 287c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (requested_window) { 288c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) FOR_EACH_OBSERVER(aura::client::ActivationChangeObserver, 289c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) activation_observers_, 290c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) OnAttemptToReactivateWindow(requested_window, 291c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) active_window_)); 292c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 293c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return; 294c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 295c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 2962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(rules_->CanActivateWindow(window)); 2972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (window) 2982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK_EQ(window, rules_->GetActivatableWindow(window)); 2992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::AutoReset<bool> updating_activation(&updating_activation_, true); 3012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::Window* lost_activation = active_window_; 3025d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Allow for the window losing activation to be deleted during dispatch. If 3035d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // it is deleted pass NULL to observers instead of a deleted window. 3045d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) aura::WindowTracker window_tracker; 3055d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (lost_activation) 3065d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) window_tracker.Add(lost_activation); 3072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (active_window_ && observer_manager_.IsObserving(active_window_) && 3082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) focused_window_ != active_window_) { 3092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) observer_manager_.Remove(active_window_); 3102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 3112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_window_ = window; 3122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (active_window_ && !observer_manager_.IsObserving(active_window_)) 3132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) observer_manager_.Add(active_window_); 3142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (active_window_) { 3152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) StackTransientParentsBelowModalWindow(active_window_); 3162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_window_->parent()->StackChildAtTop(active_window_); 3172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 3182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3195d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) aura::client::ActivationChangeObserver* observer = NULL; 3205d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (window_tracker.Contains(lost_activation)) { 3215d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) observer = aura::client::GetActivationChangeObserver(lost_activation); 3225d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (observer) 3235d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) observer->OnWindowActivated(active_window_, lost_activation); 3245d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 3252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) observer = aura::client::GetActivationChangeObserver(active_window_); 3265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (observer) { 3275d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) observer->OnWindowActivated( 3285d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) active_window_, 3295d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) window_tracker.Contains(lost_activation) ? lost_activation : NULL); 3305d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 3312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) FOR_EACH_OBSERVER(aura::client::ActivationChangeObserver, 3322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) activation_observers_, 3335d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) OnWindowActivated(active_window_, 3345d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) window_tracker.Contains(lost_activation) ? 3355d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) lost_activation : NULL)); 3362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 3372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::WindowLostFocusFromDispositionChange( 3392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::Window* window, 3402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::Window* next) { 3412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // A window's modality state will interfere with focus restoration during its 3422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // destruction. 3432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) window->ClearProperty(aura::client::kModalKey); 3442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // TODO(beng): See if this function can be replaced by a call to 3452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // FocusWindow(). 3462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Activation adjustments are handled first in the event of a disposition 3472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // changed. If an activation change is necessary, focus is reset as part of 3482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // that process so there's no point in updating focus independently. 3492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (window == active_window_) { 3502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::Window* next_activatable = rules_->GetNextActivatableWindow(window); 351c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) SetActiveWindow(NULL, next_activatable); 352c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (!(active_window_ && active_window_->Contains(focused_window_))) 353c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) SetFocusedWindow(next_activatable); 3542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } else if (window->Contains(focused_window_)) { 3552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Active window isn't changing, but focused window might be. 3562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SetFocusedWindow(rules_->GetFocusableWindow(next)); 3572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 3582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 3592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::WindowFocusedFromInputEvent(aura::Window* window) { 361c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // Only focus |window| if it or any of its parents can be focused. Otherwise 362c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // FocusWindow() will focus the topmost window, which may not be the 363c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // currently focused one. 364c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (rules_->CanFocusWindow(GetToplevelWindow(window))) 365c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) FocusWindow(window); 3662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 3672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 368a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} // namespace wm 369