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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 UI_PLATFORM_WINDOW_PLATFORM_WINDOW_DELEGATE_H_
#define UI_PLATFORM_WINDOW_PLATFORM_WINDOW_DELEGATE_H_
#include "ui/gfx/native_widget_types.h"
namespace gfx {
class Rect;
}
namespace ui {
class Event;
enum class PlatformWindowState {
kUnknown,
kMaximized,
kMinimized,
kNormal,
kFullScreen,
};
class PlatformWindowDelegate {
public:
virtual ~PlatformWindowDelegate() {}
// Note that |new_bounds| is in physical screen coordinates.
virtual void OnBoundsChanged(const gfx::Rect& new_bounds) = 0;
// Note that |damaged_region| is in the platform-window's coordinates, in
// physical pixels.
virtual void OnDamageRect(const gfx::Rect& damaged_region) = 0;
virtual void DispatchEvent(Event* event) = 0;
virtual void OnCloseRequest() = 0;
virtual void OnClosed() = 0;
virtual void OnWindowStateChanged(PlatformWindowState new_state) = 0;
virtual void OnLostCapture() = 0;
virtual void OnAcceleratedWidgetAvailable(gfx::AcceleratedWidget widget) = 0;
// Notifies the delegate that the widget cannot be used anymore until
// a new widget is made available through OnAcceleratedWidgetAvailable().
// Must not be called when the PlatformWindow is being destroyed.
virtual void OnAcceleratedWidgetDestroyed() = 0;
virtual void OnActivationChanged(bool active) = 0;
};
} // namespace ui
#endif // UI_PLATFORM_WINDOW_PLATFORM_WINDOW_DELEGATE_H_