Cross-process postMessage

content/renderer/proxy_view_host.h

+// Copyright (c) 2011 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_RENDERER_PROXY_VIEW_HOST_H_
+#define CONTENT_RENDERER_PROXY_VIEW_HOST_H_
+
+#include "content/public/renderer/render_view_observer.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebFrameClient.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebViewClient.h"
+
+namespace WebKit {
+class WebView;
+class WebSecurityOrigin;
+class WebDOMMessageEvent;
+}
+
+using WebKit::WebDOMMessageEvent;
+using WebKit::WebFrame;
+using WebKit::WebSecurityOrigin;
+using WebKit::WebView;
+
+namespace content {
+
+class ProxyViewHost : public WebKit::WebViewClient,

[Charlie Reis, 2011/12/12 22:20:36]

Let's add comments for this class to explain what it's for.

[supersat, 2011/12/15 19:30:49]

I'm probably just going to migrate over to creating a swapped-out RenderView for
this to keep things consistent.

+                      public WebKit::WebFrameClient,
+                      // The render view observer is for the owner RV
+                      public RenderViewObserver {
+ public:
+  ProxyViewHost(RenderView* owner, int64 opener_browsing_instance_frame_id);
+  virtual ~ProxyViewHost();
+
+  WebFrame* mainFrame();
+
+  // WebFrameClient methods
+  virtual bool interceptPostMessage(int64 frame_id,
+                                    WebSecurityOrigin target,
+                                    WebDOMMessageEvent event);
+
+  // RenderViewObserver methods
+  virtual void Navigate(const GURL& url);
+  virtual void ClosePage();
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ProxyViewHost);
+  int64 opener_browsing_instance_frame_id_;
+  WebView* webview_;
+};
+
+}  // namespace content
+#endif  // CONTENT_RENDERER_PROXY_VIEW_HOST_H_