services/native_viewport/platform_viewport_win.cc

// Copyright 2013 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.

#include "services/native_viewport/platform_viewport.h"

#include "base/memory/scoped_ptr.h"
#include "ui/gfx/rect.h"
#include "ui/platform_window/platform_window_delegate.h"
#include "ui/platform_window/win/win_window.h"

namespace mojo {

class PlatformViewportWin : public PlatformViewport,
                            public ui::PlatformWindowDelegate {
 public:
  explicit PlatformViewportWin(Delegate* delegate)
      : delegate_(delegate) {
  }

  virtual ~PlatformViewportWin() {
    // Destroy the platform-window while |this| is still alive.
    platform_window_.reset();
  }

 private:
  // Overridden from PlatformViewport:
  virtual void Init(const gfx::Rect& bounds) override {
    platform_window_.reset(new ui::WinWindow(this, bounds));
  }

  virtual void Show() override {
    platform_window_->Show();
  }

  virtual void Hide() override {
    platform_window_->Hide();
  }

  virtual void Close() override {
    platform_window_->Close();
  }

  virtual gfx::Size GetSize() override {
    return platform_window_->GetBounds().size();
  }

  virtual void SetBounds(const gfx::Rect& bounds) override {
    platform_window_->SetBounds(bounds);
  }

  virtual void SetCapture() override {
    platform_window_->SetCapture();
  }

  virtual void ReleaseCapture() override {
    platform_window_->ReleaseCapture();
  }

  // ui::PlatformWindowDelegate:
  virtual void OnBoundsChanged(const gfx::Rect& new_bounds) override {
    delegate_->OnBoundsChanged(new_bounds);
  }

  virtual void OnDamageRect(const gfx::Rect& damaged_region) override {
  }

  virtual void DispatchEvent(ui::Event* event) override {
    delegate_->OnEvent(event);
  }

  virtual void OnCloseRequest() override {
    platform_window_->Close();
  }

  virtual void OnClosed() override {
    delegate_->OnDestroyed();
  }

  virtual void OnWindowStateChanged(ui::PlatformWindowState state) override {
  }

  virtual void OnLostCapture() override {
  }

  virtual void OnAcceleratedWidgetAvailable(
      gfx::AcceleratedWidget widget) override {
    delegate_->OnAcceleratedWidgetAvailable(widget);
  }

  virtual void OnActivationChanged(bool active) override {}

  scoped_ptr<ui::PlatformWindow> platform_window_;
  Delegate* delegate_;

  DISALLOW_COPY_AND_ASSIGN(PlatformViewportWin);
};

// static
scoped_ptr<PlatformViewport> PlatformViewport::Create(Delegate* delegate) {
  return scoped_ptr<PlatformViewport>(new PlatformViewportWin(delegate)).Pass();
}

}  // namespace mojo