| // Copyright 2014 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 ASH_HOST_ASH_WINDOW_TREE_HOST_H_ |
| #define ASH_HOST_ASH_WINDOW_TREE_HOST_H_ |
| |
| #include <memory> |
| |
| #include "ash/ash_export.h" |
| #include "base/callback_forward.h" |
| |
| namespace aura { |
| class Window; |
| class WindowTreeHost; |
| } |
| |
| namespace gfx { |
| class Insets; |
| class Rect; |
| } |
| |
| namespace ui { |
| class EventSource; |
| class KeyEvent; |
| class LocatedEvent; |
| } |
| |
| namespace ash { |
| struct AshWindowTreeHostInitParams; |
| class InputMethodEventHandler; |
| class RootWindowTransformer; |
| |
| class ASH_EXPORT AshWindowTreeHost { |
| public: |
| using Factory = |
| base::Callback<AshWindowTreeHost*(const AshWindowTreeHostInitParams&)>; |
| AshWindowTreeHost(); |
| virtual ~AshWindowTreeHost() {} |
| |
| // Creates a new AshWindowTreeHost. The caller owns the returned value. |
| static AshWindowTreeHost* Create( |
| const AshWindowTreeHostInitParams& init_params); |
| static void SetFactory(const Factory& factory); |
| |
| void set_input_method_handler(InputMethodEventHandler* input_method_handler) { |
| input_method_handler_ = input_method_handler; |
| } |
| |
| InputMethodEventHandler* input_method_handler() { |
| return input_method_handler_; |
| } |
| |
| // Toggles the host's full screen state. |
| virtual void ToggleFullScreen() = 0; |
| |
| // Clips the cursor to the bounds of the root window until UnConfineCursor(). |
| // We would like to be able to confine the cursor to that window. However, |
| // currently, we do not have such functionality in X. So we just confine |
| // to the root window. This is ok because this option is currently only |
| // being used in fullscreen mode, so root_window bounds = window bounds. |
| virtual bool ConfineCursorToRootWindow() = 0; |
| virtual void UnConfineCursor() = 0; |
| |
| virtual void SetRootWindowTransformer( |
| std::unique_ptr<RootWindowTransformer> transformer) = 0; |
| |
| virtual gfx::Insets GetHostInsets() const = 0; |
| |
| virtual aura::WindowTreeHost* AsWindowTreeHost() = 0; |
| |
| // Stop listening for events in preparation for shutdown. |
| virtual void PrepareForShutdown() {} |
| |
| virtual void RegisterMirroringHost(AshWindowTreeHost* mirroring_ash_host) {} |
| |
| protected: |
| // Translates the native mouse location into screen coordinates. |
| void TranslateLocatedEvent(ui::LocatedEvent* event); |
| |
| private: |
| InputMethodEventHandler* input_method_handler_; |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_HOST_ASH_WINDOW_TREE_HOST_H_ |