Desktop Notifications UI (for windows)

chrome/browser/notifications/balloon_contents_win.h

+// Copyright (c) 2009 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_NOTIFICATIONS_BALLOON_CONTENTS_H_
+#define CHROME_BROWSER_NOTIFICATIONS_BALLOON_CONTENTS_H_
+
+#include "chrome/browser/renderer_host/render_view_host_delegate.h"
+#include "views/controls/native/native_view_host.h"
+#include "webkit/glue/webpreferences.h"
+
+class Balloon;
+class Profile;
+class SiteInstance;
+class RenderViewHost;
+
+class BalloonContents : public views::NativeViewHost,
+                        public RenderViewHostDelegate {
+ public:
+  explicit BalloonContents(Balloon* balloon);
+
+  // Stops showing the balloon.
+  void Shutdown();
+
+  // RenderViewHostDelegate implementations.
+  virtual WebPreferences GetWebkitPrefs();
+  virtual RendererPreferences GetRendererPrefs() const;
+  virtual SiteInstance* GetSiteInstance() const;
+  virtual Profile* GetProfile() const;
+  virtual const GURL& GetURL() const;
+  virtual void RequestOpenURL(const GURL& url,
+                              const GURL& referrer,
+                              WindowOpenDisposition disposition);
+  virtual void RendererReady(RenderViewHost* render_view_host);
+  virtual void RendererGone(RenderViewHost* render_view_host);
+  virtual void UpdateTitle(RenderViewHost* render_view_host,
+                           int32 page_id,
+                           const std::wstring& title);
+  virtual int GetBrowserWindowID() const { return -1; }
+  virtual ViewType::Type GetRenderViewType() const { return ViewType::TAB_CONTENTS; }
+
+  // Accessors.
+  RenderViewHost* render_view_host() const { return render_view_host_; }
+  const std::wstring& title() const { return title_; }
+
+ private:
+  // View overrides.
+  virtual void ViewHierarchyChanged(bool is_add, views::View *parent, views::View *child);
+
+  // Initialize the view, parented to |parent|, and show it.
+  void Init(HWND parent);
+
+  // Helper functions for sending notifications.
+  void NotifyConnected();
+  void NotifyDisconnected();
+
+  // True after Init() has completed.
+  bool initialized_;
+
+  // The associated balloon.
+  Balloon* balloon_;
+
+  // The host HTML renderer.
+  RenderViewHost* render_view_host_;
+
+  // Indicates whether we should notify about disconnection of this balloon.
+  // This is used to ensure disconnection notifications only happen if
+  // a connection notification has happened and that they happen only once.
+  bool notify_disconnection_;
+
+  // The title of the balloon page.
+  std::wstring title_;
+
+  DISALLOW_COPY_AND_ASSIGN(BalloonContents);
+};
+
+#endif  // CHROME_BROWSER_NOTIFICATIONS_BALLOON_CONTENTS_H_