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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef UI_AURA_ENV_H_ | 5 #ifndef UI_AURA_ENV_H_ |
6 #define UI_AURA_ENV_H_ | 6 #define UI_AURA_ENV_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 | 9 |
10 #include "base/macros.h" | 10 #include "base/macros.h" |
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110 | 110 |
111 // See CreateInstance() for description. | 111 // See CreateInstance() for description. |
112 void SetWindowTreeClient(WindowTreeClient* window_tree_client); | 112 void SetWindowTreeClient(WindowTreeClient* window_tree_client); |
113 bool HasWindowTreeClient() const { return window_tree_client_ != nullptr; } | 113 bool HasWindowTreeClient() const { return window_tree_client_ != nullptr; } |
114 | 114 |
115 private: | 115 private: |
116 friend class test::EnvTestHelper; | 116 friend class test::EnvTestHelper; |
117 friend class EventInjector; | 117 friend class EventInjector; |
118 friend class MusMouseLocationUpdater; | 118 friend class MusMouseLocationUpdater; |
119 friend class Window; | 119 friend class Window; |
| 120 friend class WindowTreeClient; // For call to WindowTreeClientDestroyed(). |
120 friend class WindowTreeHost; | 121 friend class WindowTreeHost; |
121 | 122 |
122 explicit Env(Mode mode); | 123 explicit Env(Mode mode); |
123 | 124 |
124 void Init(); | 125 void Init(); |
125 | 126 |
126 // After calling this method, all OSExchangeDataProvider instances will be | 127 // After calling this method, all OSExchangeDataProvider instances will be |
127 // Mus instances. We can't do this work in Init(), because our mode may | 128 // Mus instances. We can't do this work in Init(), because our mode may |
128 // changed via the EnvTestHelper. | 129 // changed via the EnvTestHelper. |
129 void EnableMusOSExchangeDataProvider(); | 130 void EnableMusOSExchangeDataProvider(); |
130 | 131 |
131 // Called by the Window when it is initialized. Notifies observers. | 132 // Called by the Window when it is initialized. Notifies observers. |
132 void NotifyWindowInitialized(Window* window); | 133 void NotifyWindowInitialized(Window* window); |
133 | 134 |
134 // Called by the WindowTreeHost when it is initialized. Notifies observers. | 135 // Called by the WindowTreeHost when it is initialized. Notifies observers. |
135 void NotifyHostInitialized(WindowTreeHost* host); | 136 void NotifyHostInitialized(WindowTreeHost* host); |
136 | 137 |
137 // Invoked by WindowTreeHost when it is activated. Notifies observers. | 138 // Invoked by WindowTreeHost when it is activated. Notifies observers. |
138 void NotifyHostActivated(WindowTreeHost* host); | 139 void NotifyHostActivated(WindowTreeHost* host); |
139 | 140 |
| 141 void WindowTreeClientDestroyed(WindowTreeClient* client); |
| 142 |
140 // Overridden from ui::EventTarget: | 143 // Overridden from ui::EventTarget: |
141 bool CanAcceptEvent(const ui::Event& event) override; | 144 bool CanAcceptEvent(const ui::Event& event) override; |
142 ui::EventTarget* GetParentTarget() override; | 145 ui::EventTarget* GetParentTarget() override; |
143 std::unique_ptr<ui::EventTargetIterator> GetChildIterator() const override; | 146 std::unique_ptr<ui::EventTargetIterator> GetChildIterator() const override; |
144 ui::EventTargeter* GetEventTargeter() override; | 147 ui::EventTargeter* GetEventTargeter() override; |
145 | 148 |
146 // Overridden from ui::OSExchangeDataProviderFactory::Factory: | 149 // Overridden from ui::OSExchangeDataProviderFactory::Factory: |
147 std::unique_ptr<ui::OSExchangeData::Provider> BuildProvider() override; | 150 std::unique_ptr<ui::OSExchangeData::Provider> BuildProvider() override; |
148 | 151 |
149 // This is not const for tests, which may share Env across tests and so needs | 152 // This is not const for tests, which may share Env across tests and so needs |
150 // to reset the value. | 153 // to reset the value. |
151 Mode mode_; | 154 Mode mode_; |
152 | 155 |
153 // Intentionally not exposed publicly. Someday we might want to support | 156 // Intentionally not exposed publicly. Someday we might want to support |
154 // multiple WindowTreeClients. Use EnvTestHelper in tests. | 157 // multiple WindowTreeClients. Use EnvTestHelper in tests. This is set to null |
| 158 // during shutdown. |
155 WindowTreeClient* window_tree_client_ = nullptr; | 159 WindowTreeClient* window_tree_client_ = nullptr; |
156 | 160 |
157 base::ObserverList<EnvObserver> observers_; | 161 base::ObserverList<EnvObserver> observers_; |
158 | 162 |
159 std::unique_ptr<EnvInputStateController> env_controller_; | 163 std::unique_ptr<EnvInputStateController> env_controller_; |
160 int mouse_button_flags_; | 164 int mouse_button_flags_; |
161 // Location of last mouse event, in screen coordinates. | 165 // Location of last mouse event, in screen coordinates. |
162 mutable gfx::Point last_mouse_location_; | 166 mutable gfx::Point last_mouse_location_; |
163 bool is_touch_down_; | 167 bool is_touch_down_; |
164 bool get_last_mouse_location_from_mus_; | 168 bool get_last_mouse_location_from_mus_; |
165 // This may be set to true in tests to force using |last_mouse_location_| | 169 // This may be set to true in tests to force using |last_mouse_location_| |
166 // rather than querying WindowTreeClient. | 170 // rather than querying WindowTreeClient. |
167 bool always_use_last_mouse_location_ = false; | 171 bool always_use_last_mouse_location_ = false; |
168 // Whether we set ourselves as the OSExchangeDataProviderFactory. | 172 // Whether we set ourselves as the OSExchangeDataProviderFactory. |
169 bool is_os_exchange_data_provider_factory_ = false; | 173 bool is_os_exchange_data_provider_factory_ = false; |
170 | 174 |
171 std::unique_ptr<InputStateLookup> input_state_lookup_; | 175 std::unique_ptr<InputStateLookup> input_state_lookup_; |
172 std::unique_ptr<ui::PlatformEventSource> event_source_; | 176 std::unique_ptr<ui::PlatformEventSource> event_source_; |
173 | 177 |
174 #if defined(USE_OZONE) | 178 #if defined(USE_OZONE) |
175 // Factory for pixmaps that can use be transported from the client to the GPU | 179 // Factory for pixmaps that can use be transported from the client to the GPU |
176 // process using a low-level ozone-provided platform specific mechanism. | 180 // process using a low-level ozone-provided platform specific mechanism. |
177 std::unique_ptr<gfx::ClientNativePixmapFactory> native_pixmap_factory_; | 181 std::unique_ptr<gfx::ClientNativePixmapFactory> native_pixmap_factory_; |
178 #endif | 182 #endif |
179 | 183 |
180 ui::ContextFactory* context_factory_; | 184 ui::ContextFactory* context_factory_; |
181 ui::ContextFactoryPrivate* context_factory_private_; | 185 ui::ContextFactoryPrivate* context_factory_private_; |
182 | 186 |
| 187 // This is set to true when the WindowTreeClient is destroyed. It triggers |
| 188 // creating a different WindowPort implementation. |
| 189 bool in_mus_shutdown_ = false; |
| 190 |
183 DISALLOW_COPY_AND_ASSIGN(Env); | 191 DISALLOW_COPY_AND_ASSIGN(Env); |
184 }; | 192 }; |
185 | 193 |
186 } // namespace aura | 194 } // namespace aura |
187 | 195 |
188 #endif // UI_AURA_ENV_H_ | 196 #endif // UI_AURA_ENV_H_ |
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