platform_viewport.h revision 1320f92c476a1ad9d19dba2a48c72b75566198e9
1// Copyright 2013 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef MOJO_SERVICES_NATIVE_VIEWPORT_PLATFORM_VIEWPORT_H_ 6#define MOJO_SERVICES_NATIVE_VIEWPORT_PLATFORM_VIEWPORT_H_ 7 8#include "base/memory/scoped_ptr.h" 9#include "ui/gfx/native_widget_types.h" 10#include "ui/gfx/size.h" 11 12namespace gfx { 13class Rect; 14} 15 16namespace ui { 17class Event; 18} 19 20namespace mojo { 21 22// Encapsulation of platform-specific Viewport. 23class PlatformViewport { 24 public: 25 class Delegate { 26 public: 27 virtual ~Delegate() {} 28 29 virtual void OnBoundsChanged(const gfx::Rect& rect) = 0; 30 virtual void OnAcceleratedWidgetAvailable( 31 gfx::AcceleratedWidget widget) = 0; 32 virtual bool OnEvent(ui::Event* ui_event) = 0; 33 virtual void OnDestroyed() = 0; 34 }; 35 36 virtual ~PlatformViewport() {} 37 38 virtual void Init(const gfx::Rect& bounds) = 0; 39 virtual void Show() = 0; 40 virtual void Hide() = 0; 41 virtual void Close() = 0; 42 virtual gfx::Size GetSize() = 0; 43 virtual void SetBounds(const gfx::Rect& bounds) = 0; 44 45 virtual void SetCapture() = 0; 46 virtual void ReleaseCapture() = 0; 47 48 static scoped_ptr<PlatformViewport> Create(Delegate* delegate); 49}; 50 51} // namespace mojo 52 53#endif // MOJO_SERVICES_NATIVE_VIEWPORT_PLATFORM_VIEWPORT_H_ 54