Adding RenderWidgetHostViewChildFrame for OOPIF view.

content/browser/frame_host/cross_process_frame_connector.cc

+// Copyright (c) 2013 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 "content/browser/frame_host/render_frame_host_impl.h"
+#include "content/browser/frame_host/render_widget_host_view_child_frame.h"
+#include "content/browser/renderer_host/render_widget_host_impl.h"
+#include "content/common/frame_messages.h"
+#include "content/common/gpu/gpu_messages.h"
+
+namespace content {
+
+CrossProcessFrameConnector::CrossProcessFrameConnector(
+    RenderFrameHostImpl* frame_proxy_in_parent_renderer)
+    : frame_proxy_in_parent_renderer_(frame_proxy_in_parent_renderer),
+      child_frame_widget_(NULL) {
+    frame_proxy_in_parent_renderer->SetCrossProcessFrameConnector(this);
+}
+
+CrossProcessFrameConnector::~CrossProcessFrameConnector() {
+  if (child_frame_widget_ && child_frame_widget_->GetView())
+    static_cast<RenderWidgetHostViewChildFrame*>(
+        child_frame_widget_->GetView())->SetCrossProcessFrameConnector(NULL);
+}
+
+// static
+CrossProcessFrameConnector*
+    CrossProcessFrameConnector::CreateCrossProcessFrameConnector(
+    RenderFrameHostImpl* frame_proxy_in_parent_renderer) {
+  return new CrossProcessFrameConnector(frame_proxy_in_parent_renderer);
+}
+
+bool CrossProcessFrameConnector::OnMessageReceived(const IPC::Message& msg) {
+  bool handled = true;
+  bool msg_is_ok = true;
+
+  IPC_BEGIN_MESSAGE_MAP_EX(CrossProcessFrameConnector, msg, msg_is_ok)
+    IPC_MESSAGE_HANDLER(FrameHostMsg_BuffersSwappedACK, OnBuffersSwappedACK)
+    IPC_MESSAGE_UNHANDLED(handled = false)
+  IPC_END_MESSAGE_MAP_EX()
+
+  return handled;
+}
+
+void CrossProcessFrameConnector::SetChildFrameView(
+    RenderWidgetHostViewChildFrame* child_frame_view) {
+  // Detach ourselves from the previous |child_frame_view_|.
+  if (child_frame_view_)
+    child_frame_view_->SetCrossProcessFrameConnector(NULL);
+
+  // Attach ourselves to the new view.
+  if (child_frame_view)
+    child_frame_view->SetCrossProcessFrameConnector(this);
+
+  child_frame_view_ = child_frame_view;
+}
+
+void CrossProcessFrameConnector::ChildFrameBuffersSwapped(
+    const GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params& params,
+    int gpu_host_id) {
+  frame_proxy_in_parent_renderer_->Send(
+      new FrameMsg_ChildFrameBuffersSwapped(
+          frame_proxy_in_parent_renderer_->routing_id(),
+          params.size,
+          params.mailbox_name,
+          params.route_id,
+          gpu_host_id));
+}
+
+void CrossProcessFrameConnector::ChildFrameCompositorFrameSwapped(
+    uint32 output_surface_id,
+    scoped_ptr<cc::CompositorFrame> frame) {
+}
+
+gfx::Rect CrossProcessFrameConnector::ChildFrameRect() {
+  return child_frame_rect_;
+}
+
+void CrossProcessFrameConnector::OnBuffersSwappedACK(std::string mailbox_name,
+                                                     int route_id,
+                                                     int gpu_host_id,
+                                                     uint32 sync_point) {
+  AcceleratedSurfaceMsg_BufferPresented_Params ack_params;
+  ack_params.mailbox_name = mailbox_name;
+  ack_params.sync_point = sync_point;
+  RenderWidgetHostImpl::AcknowledgeBufferPresent(route_id,
+                                                 gpu_host_id,
+                                                 ack_params);
+
+  // TODO(kenrb): Special case stuff for Win + Mac.
+}
+
+void CrossProcessFrameConnector::Destroy() {
+  if (child_frame_widget_ && child_frame_widget_->GetView())
+    static_cast<RenderWidgetHostViewChildFrame*>(child_frame_widget_->
+        GetView())->SetCrossProcessFrameConnector(NULL);
+  delete this;
+}
+
+}  // namespace content