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// 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 "ash/ash_export.h"
#include "base/memory/scoped_ptr.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:
AshWindowTreeHost();
virtual ~AshWindowTreeHost() {}
// Creates a new AshWindowTreeHost. The caller owns the returned value.
static AshWindowTreeHost* Create(
const AshWindowTreeHostInitParams& init_params);
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(
scoped_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_
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