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| 1 // Copyright 2014 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/client/default_activation_client.h" | |
| 6 | |
| 7 #include "ui/aura/window.h" | |
| 8 #include "ui/wm/public/activation_change_observer.h" | |
| 9 #include "ui/wm/public/activation_delegate.h" | |
| 10 | |
| 11 namespace aura { | |
| 12 namespace client { | |
| 13 | |
| 14 //////////////////////////////////////////////////////////////////////////////// | |
| 15 // DefaultActivationClient, public: | |
| 16 | |
| 17 DefaultActivationClient::DefaultActivationClient(Window* root_window) | |
| 18 : last_active_(NULL) { | |
| 19 client::SetActivationClient(root_window, this); | |
| 20 } | |
| 21 | |
| 22 DefaultActivationClient::~DefaultActivationClient() { | |
| 23 for (unsigned int i = 0; i < active_windows_.size(); ++i) { | |
| 24 active_windows_[i]->RemoveObserver(this); | |
| 25 } | |
| 26 } | |
| 27 | |
| 28 //////////////////////////////////////////////////////////////////////////////// | |
| 29 // DefaultActivationClient, client::ActivationClient implementation: | |
| 30 | |
| 31 void DefaultActivationClient::AddObserver( | |
| 32 client::ActivationChangeObserver* observer) { | |
| 33 observers_.AddObserver(observer); | |
| 34 } | |
| 35 | |
| 36 void DefaultActivationClient::RemoveObserver( | |
| 37 client::ActivationChangeObserver* observer) { | |
| 38 observers_.RemoveObserver(observer); | |
| 39 } | |
| 40 | |
| 41 void DefaultActivationClient::ActivateWindow(Window* window) { | |
| 42 Window* last_active = GetActiveWindow(); | |
| 43 if (last_active == window) | |
| 44 return; | |
| 45 | |
| 46 last_active_ = last_active; | |
| 47 RemoveActiveWindow(window); | |
| 48 active_windows_.push_back(window); | |
| 49 window->parent()->StackChildAtTop(window); | |
| 50 window->AddObserver(this); | |
| 51 | |
| 52 FOR_EACH_OBSERVER(client::ActivationChangeObserver, | |
| 53 observers_, | |
| 54 OnWindowActivated(window, last_active)); | |
| 55 | |
| 56 aura::client::ActivationChangeObserver* observer = | |
| 57 aura::client::GetActivationChangeObserver(last_active); | |
| 58 if (observer) | |
| 59 observer->OnWindowActivated(window, last_active); | |
| 60 observer = aura::client::GetActivationChangeObserver(window); | |
| 61 if (observer) | |
| 62 observer->OnWindowActivated(window, last_active); | |
| 63 } | |
| 64 | |
| 65 void DefaultActivationClient::DeactivateWindow(Window* window) { | |
| 66 aura::client::ActivationChangeObserver* observer = | |
| 67 aura::client::GetActivationChangeObserver(window); | |
| 68 if (observer) | |
| 69 observer->OnWindowActivated(NULL, window); | |
| 70 if (last_active_) | |
| 71 ActivateWindow(last_active_); | |
| 72 } | |
| 73 | |
| 74 Window* DefaultActivationClient::GetActiveWindow() { | |
| 75 if (active_windows_.empty()) | |
| 76 return NULL; | |
| 77 return active_windows_.back(); | |
| 78 } | |
| 79 | |
| 80 Window* DefaultActivationClient::GetActivatableWindow(Window* window) { | |
| 81 return NULL; | |
| 82 } | |
| 83 | |
| 84 Window* DefaultActivationClient::GetToplevelWindow(Window* window) { | |
| 85 return NULL; | |
| 86 } | |
| 87 | |
| 88 bool DefaultActivationClient::OnWillFocusWindow(Window* window, | |
| 89 const ui::Event* event) { | |
| 90 return true; | |
| 91 } | |
| 92 | |
| 93 bool DefaultActivationClient::CanActivateWindow(Window* window) const { | |
| 94 return true; | |
| 95 } | |
| 96 | |
| 97 //////////////////////////////////////////////////////////////////////////////// | |
| 98 // DefaultActivationClient, WindowObserver implementation: | |
| 99 | |
| 100 void DefaultActivationClient::OnWindowDestroyed(Window* window) { | |
| 101 if (window == last_active_) | |
| 102 last_active_ = NULL; | |
| 103 | |
| 104 if (window == GetActiveWindow()) { | |
| 105 active_windows_.pop_back(); | |
| 106 Window* next_active = GetActiveWindow(); | |
| 107 if (next_active && aura::client::GetActivationChangeObserver(next_active)) { | |
| 108 aura::client::GetActivationChangeObserver(next_active)->OnWindowActivated( | |
| 109 next_active, NULL); | |
| 110 } | |
| 111 return; | |
| 112 } | |
| 113 | |
| 114 RemoveActiveWindow(window); | |
| 115 } | |
| 116 | |
| 117 void DefaultActivationClient::RemoveActiveWindow(Window* window) { | |
| 118 for (unsigned int i = 0; i < active_windows_.size(); ++i) { | |
| 119 if (active_windows_[i] == window) { | |
| 120 active_windows_.erase(active_windows_.begin() + i); | |
| 121 window->RemoveObserver(this); | |
| 122 return; | |
| 123 } | |
| 124 } | |
| 125 } | |
| 126 | |
| 127 } // namespace client | |
| 128 } // namespace aura | |
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Chromium Code Reviews
Issue 250113002:
Move DefaultActivationClient to wm/core (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src