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content/renderer/dom_proxy_installer.cc

+// 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.
+
+#include "content/renderer/dom_proxy_installer.h"
+#include "content/renderer/dom_proxy_listener.h"
+#include "content/renderer/render_view_impl.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
+
+namespace content {
+
+DOMProxyInstaller::DOMProxyInstaller(RenderView* render_view,
+                                     int64 browsing_instance_frame_id)
+  : RenderViewObserver(render_view),
+    dom_proxy_listener_(0),
+    browsing_instance_frame_id_(browsing_instance_frame_id) {
+}
+
+DOMProxyInstaller::~DOMProxyInstaller() {
+  if (dom_proxy_listener_) {
+    delete dom_proxy_listener_;
+  }
+}
+
+void DOMProxyInstaller::DidFinishDocumentLoad(WebKit::WebFrame* frame)
+{
+  DCHECK(!dom_proxy_listener_);
+  DCHECK_EQ(frame, static_cast<RenderViewImpl*>(render_view())->webview()->mainFrame());
+
+  dom_proxy_listener_ = new DOMProxyListener(frame,
+                                             browsing_instance_frame_id_);
+}
+
+void DOMProxyInstaller::Navigate(const GURL& url) {
+  // If we navigate this frame, it's no longer a proxy
+  ClosePage();
+}
+
+void DOMProxyInstaller::ClosePage() {
+  delete this;
+}
+
+}  // namespace content