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balloon_view_host.h

// Copyright (c) 2010 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 CHROME_BROWSER_VIEWS_NOTIFICATIONS_BALLOON_VIEW_HOST_H_
#define CHROME_BROWSER_VIEWS_NOTIFICATIONS_BALLOON_VIEW_HOST_H_

#include "chrome/browser/notifications/balloon_host.h"
#include "views/controls/native/native_view_host.h"

// BalloonViewHost class is a delegate to the renderer host for the HTML
// notification.  When initialized it creates a new RenderViewHost and loads
// the contents of the toast into it.  It also handles links within the toast,
// loading them into a new tab.
class BalloonViewHost : public BalloonHost {
 public:
  explicit BalloonViewHost(Balloon* balloon);

  ~BalloonViewHost() {
     Shutdown();
  }

  void SetPreferredSize(const gfx::Size& size) {
    native_host_->SetPreferredSize(size);
  }

  // Accessors.
  views::View* view() {
    return native_host_;
  }

  gfx::NativeView native_view() const {
    return native_host_->native_view();
  }

  // Initialize the view, parented to |parent|, and show it.
  void Init(gfx::NativeView parent);

 protected:
  virtual void InitRenderWidgetHostView();
  virtual RenderWidgetHostView* render_widget_host_view() const {
    return render_widget_host_view_;
  }

 private:
  // The platform-specific widget host view.  Pointer is owned by the RVH.
  RenderWidgetHostView* render_widget_host_view_;

  // The views-specific host view. Pointer owned by the views hierarchy.
  views::NativeViewHost* native_host_;

  // The handle to the parent view.
  gfx::NativeView parent_native_view_;

  DISALLOW_COPY_AND_ASSIGN(BalloonViewHost);
};

#endif  // CHROME_BROWSER_VIEWS_NOTIFICATIONS_BALLOON_VIEW_HOST_H_

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