Implement touch events for site-isolation.

content/browser/frame_host/cross_process_frame_connector.cc

 // Copyright 2014 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/browser/frame_host/cross_process_frame_connector.h"
 
 #include "cc/surfaces/surface.h"
 #include "cc/surfaces/surface_manager.h"
 #include "content/browser/compositor/surface_utils.h"
 #include "content/browser/frame_host/frame_tree.h"
@@ skipping 131 matching lines @@
     const gfx::Point& point,
     cc::SurfaceId surface_id) {
   gfx::Point transformed_point = point;
   RenderWidgetHostViewBase* root_view = GetRootRenderWidgetHostView();
   if (root_view)
     root_view->TransformPointToLocalCoordSpace(point, surface_id,
                                                &transformed_point);
   return transformed_point;
 }
 
+void CrossProcessFrameConnector::ForwardProcessAckedTouchEvent(
+    const TouchEventWithLatencyInfo& touch,
+    InputEventAckState ack_result) {
+  if (auto main_view = GetRootRenderWidgetHostView())

[nasko, 2016/02/29 22:10:26]

nit: Variable declaration should be outside the if statement.

[wjmaclean, 2016/02/29 23:33:55]

Done.

+    main_view->ProcessAckedTouchEvent(touch, ack_result);
+}
+
 bool CrossProcessFrameConnector::HasFocus() {
   RenderWidgetHostViewBase* root_view = GetRootRenderWidgetHostView();
   if (root_view)
     return root_view->HasFocus();
   return false;
 }
 
+void CrossProcessFrameConnector::Focus() {

[nasko, 2016/02/29 22:10:26]

Should this be named FocusRoot? Or something similar? Or maybe add a comment
explaining the behavior.

[wjmaclean, 2016/02/29 23:33:55]

Done.

+  RenderWidgetHostViewBase* root_view = GetRootRenderWidgetHostView();
+  if (root_view)
+    root_view->Focus();
+}
+
 void CrossProcessFrameConnector::OnForwardInputEvent(
     const blink::WebInputEvent* event) {
   if (!view_)
     return;
 
   RenderFrameHostManager* manager =
       frame_proxy_in_parent_renderer_->frame_tree_node()->render_manager();
   RenderWidgetHostImpl* parent_widget =
       manager->ForInnerDelegate()
           ? manager->GetOuterRenderWidgetHostForKeyboardInput()
           : frame_proxy_in_parent_renderer_->GetRenderViewHost()->GetWidget();
 
+  // TODO(wjmaclean): We should remove these forwarding functions, since they
+  // are directly target using RenderWidgetHostInputEventRouter. But neither
+  // pathway is currently handling gesture events, so that needs to be fixed
+  // in a subsequent CL.
   if (blink::WebInputEvent::isKeyboardEventType(event->type)) {
     if (!parent_widget->GetLastKeyboardEvent())
       return;
     NativeWebKeyboardEvent keyboard_event(
         *parent_widget->GetLastKeyboardEvent());
     view_->ProcessKeyboardEvent(keyboard_event);
     return;
   }
 
   if (blink::WebInputEvent::isMouseEventType(event->type)) {
@@ skipping 62 matching lines @@
   // in the case of nested WebContents.
   while (top_host->frame_tree_node()->render_manager()->ForInnerDelegate()) {
     top_host = top_host->frame_tree_node()->render_manager()->
         GetOuterDelegateNode()->frame_tree()->root()->current_frame_host();
   }
 
   return static_cast<RenderWidgetHostViewBase*>(top_host->GetView());
 }
 
 }  // namespace content