Initial browser-side implementation for touch-action

content/renderer/render_widget.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_widget.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
@@ skipping 2751 matching lines @@
 
 bool RenderWidget::WillHandleGestureEvent(
     const WebKit::WebGestureEvent& event) {
   return false;
 }
 
 void RenderWidget::hasTouchEventHandlers(bool has_handlers) {
   Send(new ViewHostMsg_HasTouchEventHandlers(routing_id_, has_handlers));
 }
 
+void RenderWidget::setTouchAction(int touchId, bool touchActionDelayed,
+    WebWidgetClient::TouchAction touchAction) {
+  // TODO(rbyers): touch-action-delayed not yet used. crbug.com/241964
+  content::TouchAction contentTouchAction;
+  switch(touchAction) {
+  case WebWidgetClient::TouchActionNone:
+    contentTouchAction = content::TOUCH_ACTION_NONE;
+    break;
+  case WebWidgetClient::TouchActionAuto:
+    contentTouchAction = content::TOUCH_ACTION_AUTO;
+    break;
+  default:
+    NOTREACHED();
+  }
+  Send(new ViewHostMsg_SetTouchAction(routing_id_, touchId,
+      contentTouchAction));
+}
+
 bool RenderWidget::HasTouchEventHandlersAt(const gfx::Point& point) const {
   return true;
 }
 
 scoped_ptr<WebGraphicsContext3DCommandBufferImpl>
 RenderWidget::CreateGraphicsContext3D(
     const WebKit::WebGraphicsContext3D::Attributes& attributes) {
   if (!webwidget_)
     return scoped_ptr<WebGraphicsContext3DCommandBufferImpl>();
   if (CommandLine::ForCurrentProcess()->HasSwitch(
@@ skipping 42 matching lines @@
           GetURLForGraphicsContext3D(),
           gpu_channel_host.get(),
           swap_client,
           attributes,
           false /* bind generates resources */,
           limits));
   return context.Pass();
 }
 
 }  // namespace content