Return a enumeration of the state of handling of InputEvents.

content/renderer/npapi/webplugin_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/npapi/webplugin_impl.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/debug/crash_logging.h"
 #include "base/location.h"
@@ skipping 54 matching lines @@
 using blink::WebCanvas;
 using blink::WebConsoleMessage;
 using blink::WebCookieJar;
 using blink::WebCursorInfo;
 using blink::WebData;
 using blink::WebDataSource;
 using blink::WebFrame;
 using blink::WebHTTPBody;
 using blink::WebHTTPHeaderVisitor;
 using blink::WebInputEvent;
+using blink::WebInputEventResult;
 using blink::WebKeyboardEvent;
 using blink::WebMouseEvent;
 using blink::WebPluginContainer;
 using blink::WebPluginParams;
 using blink::WebRect;
 using blink::WebString;
 using blink::WebURL;
 using blink::WebURLError;
 using blink::WebURLLoader;
 using blink::WebURLLoaderClient;
@@ skipping 326 matching lines @@
   move.rects_valid = false;
   move.visible = visible;
 
   render_frame_->GetRenderWidget()->SchedulePluginMove(move);
 }
 
 bool WebPluginImpl::acceptsInputEvents() {
   return accepts_input_events_;
 }
 
-bool WebPluginImpl::handleInputEvent(
-    const WebInputEvent& event, WebCursorInfo& cursor_info) {
+WebInputEventResult WebPluginImpl::handleInputEvent(
+    const WebInputEvent& event,
+    WebCursorInfo& cursor_info) {
   // Swallow context menu events in order to suppress the default context menu.
   if (event.type == WebInputEvent::ContextMenu)
-    return true;
+    return WebInputEventResult::HandledDefaultHandler;
 
   WebCursor::CursorInfo web_cursor_info;
   bool ret = delegate_->HandleInputEvent(event, &web_cursor_info);
   cursor_info.type = web_cursor_info.type;
   cursor_info.hotSpot = web_cursor_info.hotspot;
   cursor_info.customImage = web_cursor_info.custom_image;
   cursor_info.imageScaleFactor = web_cursor_info.image_scale_factor;
 #if defined(OS_WIN)
   cursor_info.externalHandle = web_cursor_info.external_handle;
 #endif
-  return ret;
+  return ret ? WebInputEventResult::HandledDefaultHandler

[Rick Byers, 2015/11/23 21:59:55]

'true' here can mean two things here (script or default), right?  If you'll need
your second phase to distinguish then please add a TODO to track.

[dtapuska, 2015/11/24 15:23:02]

see other comment in the fullscreen plugin.

+             : WebInputEventResult::NotHandled;
 }
 
 void WebPluginImpl::didReceiveResponse(const WebURLResponse& response) {
   ignore_response_error_ = false;
 
   ResponseInfo response_info;
   GetResponseInfo(response, &response_info);
 
   delegate_->DidReceiveManualResponse(
       response_info.url,
@@ skipping 1102 matching lines @@
     case PLUGIN_SRC:
       webframe_->setReferrerForRequest(*request, plugin_url_);
       break;
 
     default:
       break;
   }
 }
 
 }  // namespace content