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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "ui/aura/focus_manager.h" | |
| 6 | |
| 7 #include "ui/aura/client/activation_client.h" | |
| 8 #include "ui/aura/client/focus_change_observer.h" | |
| 9 #include "ui/aura/root_window.h" | |
| 10 #include "ui/aura/window_delegate.h" | |
| 11 | |
| 12 namespace aura { | |
| 13 | |
| 14 //////////////////////////////////////////////////////////////////////////////// | |
| 15 // FocusManager, public: | |
| 16 | |
| 17 FocusManager::FocusManager() : focused_window_(NULL) { | |
| 18 } | |
| 19 | |
| 20 FocusManager::~FocusManager() { | |
| 21 } | |
| 22 | |
| 23 //////////////////////////////////////////////////////////////////////////////// | |
| 24 // FocusManager, client::FocusClient implementation: | |
| 25 | |
| 26 void FocusManager::AddObserver(client::FocusChangeObserver* observer) { | |
| 27 observers_.AddObserver(observer); | |
| 28 } | |
| 29 | |
| 30 void FocusManager::RemoveObserver(client::FocusChangeObserver* observer) { | |
| 31 observers_.RemoveObserver(observer); | |
| 32 } | |
| 33 | |
| 34 void FocusManager::FocusWindow(Window* focused_window) { | |
| 35 if (focused_window == focused_window_) | |
| 36 return; | |
| 37 if (focused_window && !focused_window->CanFocus()) | |
| 38 return; | |
| 39 // The NULL-check of |focused_window| is essential here before asking the | |
| 40 // activation client, since it is valid to clear the focus by calling | |
| 41 // SetFocusedWindow() to NULL. | |
| 42 | |
| 43 if (focused_window) { | |
| 44 RootWindow* root = focused_window->GetRootWindow(); | |
| 45 DCHECK(root); | |
| 46 if (client::GetActivationClient(root) && | |
| 47 !client::GetActivationClient(root)->OnWillFocusWindow( | |
| 48 focused_window, NULL)) { | |
| 49 return; | |
| 50 } | |
| 51 } | |
| 52 | |
| 53 Window* old_focused_window = focused_window_; | |
| 54 focused_window_ = focused_window; | |
| 55 | |
| 56 FOR_EACH_OBSERVER(client::FocusChangeObserver, observers_, | |
| 57 OnWindowFocused(focused_window, old_focused_window)); | |
| 58 client::FocusChangeObserver* observer = | |
| 59 client::GetFocusChangeObserver(old_focused_window); | |
| 60 if (observer) | |
| 61 observer->OnWindowFocused(focused_window_, old_focused_window); | |
| 62 observer = client::GetFocusChangeObserver(focused_window_); | |
| 63 if (observer) | |
| 64 observer->OnWindowFocused(focused_window_, old_focused_window); | |
| 65 } | |
| 66 | |
| 67 void FocusManager::ResetFocusWithinActiveWindow(Window* window) { | |
| 68 FocusWindow(window); | |
| 69 } | |
| 70 | |
| 71 Window* FocusManager::GetFocusedWindow() { | |
| 72 return focused_window_; | |
| 73 } | |
| 74 | |
| 75 void FocusManager::OnWindowHiddenInRootWindow( | |
| 76 aura::Window* window, | |
| 77 aura::RootWindow* root_window, | |
| 78 bool destroyed) { | |
| 79 Window* focused_window = | |
| 80 client::GetFocusClient(root_window)->GetFocusedWindow(); | |
| 81 if (window->Contains(focused_window)) { | |
| 82 Window* focus_to = window->transient_parent(); | |
| 83 if (focus_to) { | |
| 84 // Has to be removed from the transient parent before focusing, | |
| 85 // otherwise |window| will be focused again. | |
| 86 if (destroyed) | |
| 87 focus_to->RemoveTransientChild(window); | |
| 88 } else { | |
| 89 // If the invisible view has no visible transient window, focus to the | |
| 90 // topmost visible parent window. | |
| 91 focus_to = window->parent(); | |
| 92 } | |
| 93 if (focus_to && | |
| 94 (!focus_to->IsVisible() || | |
| 95 !focus_to->CanFocus() || | |
| 96 (client::GetActivationClient(root_window) && | |
| 97 !client::GetActivationClient(root_window)->OnWillFocusWindow( | |
| 98 focus_to, NULL)))) { | |
| 99 focus_to = NULL; | |
| 100 } | |
| 101 client::GetFocusClient(root_window)->FocusWindow(focus_to); | |
| 102 } | |
| 103 } | |
| 104 | |
| 105 } // namespace aura | |
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Chromium Code Reviews
Issue 26116008:
Remove old FocusManager code from Aura. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src