content/browser/frame_host/cross_process_frame_connector.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/browser/frame_host/cross_process_frame_connector.h"
   6
   7 #include "content/browser/frame_host/render_frame_host_impl.h"
   8 #include "content/browser/frame_host/render_widget_host_view_child_frame.h"
   9 #include "content/browser/renderer_host/render_widget_host_impl.h"
  10 #include "content/common/frame_messages.h"
  11 #include "content/common/gpu/gpu_messages.h"
  12
  13 namespace content {
  14
  15 CrossProcessFrameConnector::CrossProcessFrameConnector(
  16     RenderFrameHostImpl* frame_proxy_in_parent_renderer)
  17     : frame_proxy_in_parent_renderer_(frame_proxy_in_parent_renderer),
  18       view_(NULL) {
  19     frame_proxy_in_parent_renderer->set_cross_process_frame_connector(this);
  20 }
  21
  22 CrossProcessFrameConnector::~CrossProcessFrameConnector() {
  23   if (view_)
  24     view_->set_cross_process_child_frame(NULL);
  25 }
  26
  27 bool CrossProcessFrameConnector::OnMessageReceived(const IPC::Message& msg) {
  28   bool handled = true;
  29   bool msg_is_ok = true;
  30
  31   IPC_BEGIN_MESSAGE_MAP_EX(CrossProcessFrameConnector, msg, msg_is_ok)
  32     IPC_MESSAGE_HANDLER(FrameHostMsg_BuffersSwappedACK, OnBuffersSwappedACK)
  33     IPC_MESSAGE_UNHANDLED(handled = false)
  34   IPC_END_MESSAGE_MAP_EX()
  35
  36   return handled;
  37 }
  38
  39 void CrossProcessFrameConnector::SetView(
  40     RenderWidgetHostViewChildFrame* view) {
  41   // Detach ourselves from the previous |view_|.
  42   if (view_)
  43     view_->set_cross_process_child_frame(NULL);
  44
  45   view_ = view;
  46
  47   // Attach ourselves to the new view.
  48   if (view_)
  49     view_->set_cross_process_child_frame(this);
  50 }
  51
  52 void CrossProcessFrameConnector::ChildFrameBuffersSwapped(
  53     const GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params& gpu_params,
  54     int gpu_host_id) {
  55
  56   FrameMsg_BuffersSwapped_Params params;
  57   params.size = gpu_params.size;
  58   params.mailbox_name = gpu_params.mailbox_name;
  59   params.gpu_route_id = gpu_params.route_id;
  60   params.gpu_host_id = gpu_host_id;
  61
  62   frame_proxy_in_parent_renderer_->Send(
  63       new FrameMsg_BuffersSwapped(
  64           frame_proxy_in_parent_renderer_->routing_id(),
  65           params));
  66 }
  67
  68 void CrossProcessFrameConnector::ChildFrameCompositorFrameSwapped(
  69     uint32 output_surface_id,
  70     scoped_ptr<cc::CompositorFrame> frame) {
  71 }
  72
  73 gfx::Rect CrossProcessFrameConnector::ChildFrameRect() {
  74   return child_frame_rect_;
  75 }
  76
  77 void CrossProcessFrameConnector::OnBuffersSwappedACK(
  78     const FrameHostMsg_BuffersSwappedACK_Params& params) {
  79   AcceleratedSurfaceMsg_BufferPresented_Params ack_params;
  80   ack_params.mailbox_name = params.mailbox_name;
  81   ack_params.sync_point = params.sync_point;
  82   RenderWidgetHostImpl::AcknowledgeBufferPresent(params.gpu_route_id,
  83                                                  params.gpu_host_id,
  84                                                  ack_params);
  85
  86   // TODO(kenrb): Special case stuff for Win + Mac.
  87 }
  88
  89 }  // namespace content