Initial touch-action main thread implementation

Source/web/ChromeClientImpl.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 932 matching lines @@
 void ChromeClientImpl::numWheelEventHandlersChanged(unsigned numberOfWheelHandlers)
 {
     m_webView->numberOfWheelEventHandlersChanged(numberOfWheelHandlers);
 }
 
 void ChromeClientImpl::needTouchEvents(bool needsTouchEvents)
 {
     m_webView->hasTouchEventHandlers(needsTouchEvents);
 }
 
+void ChromeClientImpl::setTouchAction(int touchId, TouchAction touchAction)
+{
+    WebViewClient* client = m_webView->client();
+    if (client) {
+        WebWidgetClient::TouchAction webTouchAction;
+        switch (touchAction) {
+        case TouchActionNone:
+            webTouchAction =  WebWidgetClient::TouchActionNone;
+            break;
+        case TouchActionAuto:
+            webTouchAction =  WebWidgetClient::TouchActionAuto;
+            break;
+        default:
+            ASSERT_NOT_REACHED();
+            webTouchAction = WebWidgetClient::TouchActionAuto;
+        }
+
+        client->setTouchAction(touchId, webTouchAction);

[abarth-chromium, 2013/11/18 21:16:59]

Usually we just use a static_cast and COMPILE_ASSERT that the enum values match.

[Rick Byers, 2013/11/19 21:24:21]

Done.

+    }
+}
+
 bool ChromeClientImpl::requestPointerLock()
 {
     return m_webView->requestPointerLock();
 }
 
 void ChromeClientImpl::requestPointerUnlock()
 {
     return m_webView->requestPointerUnlock();
 }
 
@@ skipping 31 matching lines @@
 {
 }
 
 void NavigatorContentUtilsClientImpl::registerProtocolHandler(const String& scheme, const String& baseURL, const String& url, const String& title)
 {
     m_webView->client()->registerProtocolHandler(scheme, baseURL, url, title);
 }
 #endif
 
 } // namespace blink