Expose PageImportanceSignals via WebContents

content/renderer/render_view_impl.cc

 // 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.
 
 #include "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/auto_reset.h"
@@ skipping 39 matching lines @@
 #include "content/common/ssl_status_serialization.h"
 #include "content/common/view_messages.h"
 #include "content/public/common/bindings_policy.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/content_constants.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/drop_data.h"
 #include "content/public/common/favicon_url.h"
 #include "content/public/common/file_chooser_file_info.h"
 #include "content/public/common/file_chooser_params.h"
+#include "content/public/common/page_importance_signals.h"
 #include "content/public/common/page_state.h"
 #include "content/public/common/page_zoom.h"
 #include "content/public/common/ssl_status.h"
 #include "content/public/common/three_d_api_types.h"
 #include "content/public/common/url_constants.h"
 #include "content/public/common/url_utils.h"
 #include "content/public/common/web_preferences.h"
 #include "content/public/renderer/content_renderer_client.h"
 #include "content/public/renderer/document_state.h"
 #include "content/public/renderer/navigation_state.h"
@@ skipping 74 matching lines @@
 #include "third_party/WebKit/public/web/WebGlyphCache.h"
 #include "third_party/WebKit/public/web/WebHistoryItem.h"
 #include "third_party/WebKit/public/web/WebHitTestResult.h"
 #include "third_party/WebKit/public/web/WebInputElement.h"
 #include "third_party/WebKit/public/web/WebInputEvent.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 #include "third_party/WebKit/public/web/WebMediaPlayerAction.h"
 #include "third_party/WebKit/public/web/WebNavigationPolicy.h"
 #include "third_party/WebKit/public/web/WebNetworkStateNotifier.h"
 #include "third_party/WebKit/public/web/WebNodeList.h"
+#include "third_party/WebKit/public/web/WebPageImportanceSignals.h"
 #include "third_party/WebKit/public/web/WebPageSerializer.h"
 #include "third_party/WebKit/public/web/WebPlugin.h"
 #include "third_party/WebKit/public/web/WebPluginAction.h"
 #include "third_party/WebKit/public/web/WebPluginContainer.h"
 #include "third_party/WebKit/public/web/WebPluginDocument.h"
 #include "third_party/WebKit/public/web/WebRange.h"
 #include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
 #include "third_party/WebKit/public/web/WebScriptSource.h"
 #include "third_party/WebKit/public/web/WebSearchableFormData.h"
 #include "third_party/WebKit/public/web/WebSecurityOrigin.h"
@@ skipping 3348 matching lines @@
   return current_state;
 }
 
 void RenderViewImpl::draggableRegionsChanged() {
   FOR_EACH_OBSERVER(
       RenderViewObserver,
       observers_,
       DraggableRegionsChanged(webview()->mainFrame()));
 }
 
+void RenderViewImpl::pageImportanceSignalsChanged() {
+  if (!webview())

[kinuko, 2015/09/24 00:26:22]

nit: Could this happen when this is signaled?

[kouhei (in TOK), 2015/09/24 01:13:46]

Yes. This can happen when the view is closing.

+    return;
+
+  blink::WebPageImportanceSignals* web_signals =
+      webview()->pageImportanceSignals();
+  if (!web_signals)

[kinuko, 2015/09/24 00:26:23]

ditto

[kouhei (in TOK), 2015/09/24 01:13:46]

web_signals is guaranteed to be non-null now. Fixed.

+    return;
+
+  PageImportanceSignals signals;
+  signals.had_form_interaction = web_signals->hadFormInteraction();
+
+  main_render_frame_->Send(new FrameHostMsg_UpdatePageImportanceSignals(
+      main_render_frame_->GetRoutingID(), signals));
+}
+
 #if defined(OS_ANDROID)
 WebContentDetectionResult RenderViewImpl::detectContentAround(
     const WebHitTestResult& touch_hit) {
   DCHECK(touch_hit.node().isTextNode());
 
   // Process the position with all the registered content detectors until
   // a match is found. Priority is provided by their relative order.
   for (ContentDetectorList::const_iterator it = content_detectors_.begin();
       it != content_detectors_.end(); ++it) {
     ContentDetector::Result content = (*it)->FindTappedContent(touch_hit);
@@ skipping 253 matching lines @@
     std::vector<gfx::Size> sizes;
     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
     if (!url.isEmpty())
       urls.push_back(
           FaviconURL(url, ToFaviconType(icon_urls[i].iconType()), sizes));
   }
   SendUpdateFaviconURL(urls);
 }
 
 }  // namespace content