| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef COMPONENTS_EXO_WM_HELPER_MUS_H_ |
| #define COMPONENTS_EXO_WM_HELPER_MUS_H_ |
| |
| #include "base/macros.h" |
| #include "components/exo/wm_helper.h" |
| #include "ui/aura/client/focus_change_observer.h" |
| #include "ui/aura/mus/focus_synchronizer_observer.h" |
| #include "ui/events/devices/input_device_event_observer.h" |
| |
| namespace wm { |
| class ActivationClient; |
| } |
| |
| namespace exo { |
| |
| // A helper class for accessing WindowManager related features. |
| // This is only used for mash. Mushrome uses WMHelperAsh. |
| class WMHelperMus : public WMHelper, |
| public ui::InputDeviceEventObserver, |
| public aura::FocusSynchronizerObserver, |
| public aura::client::FocusChangeObserver { |
| public: |
| WMHelperMus(); |
| ~WMHelperMus() override; |
| |
| // Overridden from WMHelper: |
| const display::ManagedDisplayInfo& GetDisplayInfo( |
| int64_t display_id) const override; |
| aura::Window* GetPrimaryDisplayContainer(int container_id) override; |
| aura::Window* GetActiveWindow() const override; |
| aura::Window* GetFocusedWindow() const override; |
| ui::CursorSize GetCursorSize() const override; |
| const display::Display& GetCursorDisplay() const override; |
| void AddPreTargetHandler(ui::EventHandler* handler) override; |
| void PrependPreTargetHandler(ui::EventHandler* handler) override; |
| void RemovePreTargetHandler(ui::EventHandler* handler) override; |
| void AddPostTargetHandler(ui::EventHandler* handler) override; |
| void RemovePostTargetHandler(ui::EventHandler* handler) override; |
| bool IsTabletModeWindowManagerEnabled() const override; |
| double GetDefaultDeviceScaleFactor() const override; |
| |
| // Overridden from aura::FocusSynchronizerObserver: |
| void OnActiveFocusClientChanged(aura::client::FocusClient* focus_client, |
| aura::Window* focus_client_root) override; |
| |
| // Overridden from ui::client::FocusChangeObserver: |
| void OnWindowFocused(aura::Window* gained_focus, |
| aura::Window* lost_focus) override; |
| |
| // Overridden from ui::InputDeviceEventObserver: |
| void OnKeyboardDeviceConfigurationChanged() override; |
| |
| private: |
| void SetActiveFocusClient(aura::client::FocusClient* focus_client, |
| aura::Window* window); |
| void SetActiveWindow(aura::Window* window); |
| void SetFocusedWindow(aura::Window* window); |
| |
| wm::ActivationClient* GetActivationClient(); |
| |
| // Current FocusClient. |
| aura::client::FocusClient* active_focus_client_ = nullptr; |
| // This is the window that |active_focus_client_| comes from (may be null). |
| aura::Window* root_with_active_focus_client_ = nullptr; |
| aura::Window* active_window_ = nullptr; |
| aura::Window* focused_window_ = nullptr; |
| |
| DISALLOW_COPY_AND_ASSIGN(WMHelperMus); |
| }; |
| |
| } // namespace exo |
| |
| #endif // COMPONENTS_EXO_WM_HELPER_H_ |