Index: content/browser/browser_plugin/browser_plugin_guest_helper.h |
diff --git a/content/browser/browser_plugin/browser_plugin_guest_helper.h b/content/browser/browser_plugin/browser_plugin_guest_helper.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..19b3c7ce5fc1a95144106eb8a93e7d5ce323f5a2 |
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+++ b/content/browser/browser_plugin/browser_plugin_guest_helper.h |
@@ -0,0 +1,61 @@ |
+// Copyright (c) 2012 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 CONTENT_BROWSER_BROWSER_PLUGIN_BROWSER_PLUGIN_GUEST_HELPER_H_ |
+#define CONTENT_BROWSER_BROWSER_PLUGIN_BROWSER_PLUGIN_GUEST_HELPER_H_ |
+ |
+#include "content/public/browser/render_view_host_observer.h" |
+#include "content/public/browser/notification_registrar.h" |
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebInputEvent.h" |
+ |
+class WebCursor; |
+struct ViewHostMsg_UpdateRect_Params; |
+ |
+namespace gfx { |
+class Size; |
+} |
+ |
+namespace content { |
+class BrowserPluginGuest; |
+class RenderViewHost; |
+ |
+// Helper for browser plugin guest. |
+// |
+// It overrides different WebContents messages that require special treatment |
+// for a WebContents to act as a guest. All functionality is handled by its |
+// delegate. This class exists so we have separation of messages requiring |
+// special handling, which can be moved to a message filter (IPC thread) for |
+// future optimization. |
+// |
+// The lifetime of this class is managed by the associated RenderViewHost. A |
+// BrowserPluginGuestHelper is created whenever a BrowserPluginGuest is created. |
+class BrowserPluginGuestHelper : public RenderViewHostObserver { |
+ public: |
+ BrowserPluginGuestHelper(BrowserPluginGuest* guest, |
+ RenderViewHost* render_view_host); |
+ virtual ~BrowserPluginGuestHelper(); |
+ |
+ protected: |
+ // RenderViewHostObserver implementation. |
+ virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; |
+ |
+ private: |
+ // Message handlers |
+ void OnUpdateRect(const ViewHostMsg_UpdateRect_Params& params); |
+ void OnHandleInputEventAck(WebKit::WebInputEvent::Type event_type, |
+ bool processed); |
+ void OnTakeFocus(bool reverse); |
+ void OnShowWidget(int route_id, const gfx::Rect& initial_pos); |
+ void OnSetCursor(const WebCursor& cursor); |
+ |
+ BrowserPluginGuest* guest_; |
+ // A scoped container for notification registries. |
+ NotificationRegistrar registrar_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(BrowserPluginGuestHelper); |
+}; |
+ |
+} // namespace content |
+ |
+#endif // CONTENT_BROWSER_BROWSER_PLUGIN_BROWSER_PLUGIN_GUEST_HELPER_H_ |