<webview>: Move contentload event from content to chrome

chrome/browser/guestview/webview/webview_guest.cc

 // Copyright 2013 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 "chrome/browser/guestview/webview/webview_guest.h"
 
 #include "base/debug/stack_trace.h"
 #include "chrome/browser/extensions/api/web_request/web_request_api.h"
 #include "chrome/browser/extensions/extension_renderer_state.h"
 #include "chrome/browser/extensions/script_executor.h"
 #include "chrome/browser/guestview/guestview_constants.h"
 #include "chrome/browser/guestview/webview/webview_constants.h"
 #include "content/public/browser/browser_thread.h"
+#include "content/public/browser/notification_source.h"
+#include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/web_contents.h"
 
 using content::WebContents;
 
 namespace {
 
 void RemoveWebViewEventListenersOnIOThread(
     void* profile,
     const std::string& extension_id,
     int embedder_process_id,
     int guest_instance_id) {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
   ExtensionWebRequestEventRouter::GetInstance()->RemoveWebViewEventListeners(
       profile, extension_id, embedder_process_id, guest_instance_id);
 }
 
 }  // namespace
 
 WebViewGuest::WebViewGuest(WebContents* guest_web_contents)
     : GuestView(guest_web_contents),
       WebContentsObserver(guest_web_contents),
       script_executor_(new extensions::ScriptExecutor(guest_web_contents,
                                                       &script_observers_)) {
+  notification_registrar_.Add(
+      this, content::NOTIFICATION_LOAD_COMPLETED_MAIN_FRAME,
+      content::Source<WebContents>(guest_web_contents));
 }
 
 // static
 WebViewGuest* WebViewGuest::From(int embedder_process_id,
                                  int guest_instance_id) {
   GuestView* guest = GuestView::From(embedder_process_id, guest_instance_id);
   if (!guest)
     return NULL;
   return guest->AsWebView();
 }
@@ skipping 13 matching lines @@
 }
 
 WebViewGuest* WebViewGuest::AsWebView() {
   return this;
 }
 
 AdViewGuest* WebViewGuest::AsAdView() {
   return NULL;
 }
 
+void WebViewGuest::Observe(int type,
+                           const content::NotificationSource& source,
+                           const content::NotificationDetails& details) {
+  switch (type) {
+    case content::NOTIFICATION_LOAD_COMPLETED_MAIN_FRAME: {
+      DCHECK_EQ(content::Source<WebContents>(source).ptr(),
+                guest_web_contents());
+      LoadHandlerCalled();

[lazyboy, 2013/06/28 18:55:08]

if (source == guest_web_contents()) {
  LoadHandlerCalled();
}
otherwise DCHECK will be dropped for release build.

[Fady Samuel, 2013/06/28 21:24:35]

Done.

+      break;
+    }
+    default:
+      NOTREACHED() << "Unexpected notification sent.";
+      break;
+  }
+}
+
 void WebViewGuest::Go(int relative_index) {
   guest_web_contents()->GetController().GoToOffset(relative_index);
 }
 
 WebViewGuest::~WebViewGuest() {
 }
 
 void WebViewGuest::DidCommitProvisionalLoadForFrame(
     int64 frame_id,
     bool is_main_frame,
@@ skipping 21 matching lines @@
       content::BrowserThread::IO,
       FROM_HERE,
       base::Bind(
           &RemoveWebViewEventListenersOnIOThread,
           browser_context(), extension_id(),
           embedder_render_process_id(),
           view_instance_id()));
   delete this;
 }
 
+void WebViewGuest::LoadHandlerCalled() {
+  scoped_ptr<DictionaryValue> args(new DictionaryValue());
+  DispatchEvent(new GuestView::Event(webview::kEventContentLoad, args.Pass()));
+}
+
 void WebViewGuest::AddWebViewToExtensionRendererState() {
   ExtensionRendererState::WebViewInfo webview_info;
   webview_info.embedder_process_id = embedder_render_process_id();
   webview_info.embedder_routing_id = embedder_web_contents()->GetRoutingID();
   webview_info.guest_instance_id = guest_instance_id();
   webview_info.instance_id = view_instance_id();
 
   content::BrowserThread::PostTask(
       content::BrowserThread::IO, FROM_HERE,
       base::Bind(
           &ExtensionRendererState::AddWebView,
           base::Unretained(ExtensionRendererState::GetInstance()),
           guest_web_contents()->GetRenderProcessHost()->GetID(),
           guest_web_contents()->GetRoutingID(),
           webview_info));
 }
 
 // static
 void WebViewGuest::RemoveWebViewFromExtensionRendererState(
     WebContents* web_contents) {
   content::BrowserThread::PostTask(
       content::BrowserThread::IO, FROM_HERE,
       base::Bind(
           &ExtensionRendererState::RemoveWebView,
           base::Unretained(ExtensionRendererState::GetInstance()),
           web_contents->GetRenderProcessHost()->GetID(),
           web_contents->GetRoutingID()));
 }