content/renderer/browser_plugin/browser_plugin_manager.cc

   1 // Copyright (c) 2012 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/renderer/browser_plugin/browser_plugin_manager.h"
   6 #include "base/memory/scoped_ptr.h"
   7 #include "content/common/browser_plugin/browser_plugin_constants.h"
   8 #include "content/common/browser_plugin/browser_plugin_messages.h"
   9 #include "content/common/frame_messages.h"
  10 #include "content/public/renderer/browser_plugin_delegate.h"
  11 #include "content/public/renderer/content_renderer_client.h"
  12 #include "content/renderer/browser_plugin/browser_plugin.h"
  13 #include "content/renderer/render_thread_impl.h"
  14 #include "ipc/ipc_message_macros.h"
  15
  16 namespace content {
  17
  18 // static
  19 BrowserPluginManager* BrowserPluginManager::Get() {
  20   if (!RenderThreadImpl::current())
  21     return nullptr;
  22   return RenderThreadImpl::current()->browser_plugin_manager();
  23 }
  24
  25 BrowserPluginManager::BrowserPluginManager() {
  26 }
  27
  28 BrowserPluginManager::~BrowserPluginManager() {
  29 }
  30
  31 void BrowserPluginManager::AddBrowserPlugin(
  32     int browser_plugin_instance_id,
  33     BrowserPlugin* browser_plugin) {
  34   instances_.AddWithID(browser_plugin, browser_plugin_instance_id);
  35 }
  36
  37 void BrowserPluginManager::RemoveBrowserPlugin(int browser_plugin_instance_id) {
  38   instances_.Remove(browser_plugin_instance_id);
  39 }
  40
  41 BrowserPlugin* BrowserPluginManager::GetBrowserPlugin(
  42     int browser_plugin_instance_id) const {
  43   return instances_.Lookup(browser_plugin_instance_id);
  44 }
  45
  46 int BrowserPluginManager::GetNextInstanceID() {
  47   return RenderThreadImpl::current()->GenerateRoutingID();
  48 }
  49
  50 void BrowserPluginManager::UpdateFocusState() {
  51   IDMap<BrowserPlugin>::iterator iter(&instances_);
  52   while (!iter.IsAtEnd()) {
  53     iter.GetCurrentValue()->UpdateGuestFocusState(blink::WebFocusTypeNone);
  54     iter.Advance();
  55   }
  56 }
  57
  58 void BrowserPluginManager::Attach(int browser_plugin_instance_id) {
  59   BrowserPlugin* plugin = GetBrowserPlugin(browser_plugin_instance_id);
  60   if (plugin)
  61     plugin->Attach();
  62 }
  63
  64 void BrowserPluginManager::Detach(int browser_plugin_instance_id) {
  65   BrowserPlugin* plugin = GetBrowserPlugin(browser_plugin_instance_id);
  66   if (plugin)
  67     plugin->Detach();
  68 }
  69
  70 BrowserPlugin* BrowserPluginManager::CreateBrowserPlugin(
  71     RenderFrame* render_frame,
  72     scoped_ptr<BrowserPluginDelegate> delegate) {
  73   return new BrowserPlugin(render_frame, delegate.Pass());
  74 }
  75
  76 void BrowserPluginManager::DidCommitCompositorFrame(
  77     int render_frame_routing_id) {
  78   IDMap<BrowserPlugin>::iterator iter(&instances_);
  79   while (!iter.IsAtEnd()) {
  80     if (iter.GetCurrentValue()->render_frame_routing_id() ==
  81         render_frame_routing_id) {
  82       iter.GetCurrentValue()->DidCommitCompositorFrame();
  83     }
  84     iter.Advance();
  85   }
  86 }
  87
  88 bool BrowserPluginManager::OnControlMessageReceived(
  89     const IPC::Message& message) {
  90   if (!BrowserPlugin::ShouldForwardToBrowserPlugin(message) &&
  91       !content::GetContentClient()->renderer()->
  92           ShouldForwardToGuestContainer(message)) {
  93     return false;
  94   }
  95
  96   int browser_plugin_instance_id = browser_plugin::kInstanceIDNone;
  97   // All allowed messages must have |browser_plugin_instance_id| as their
  98   // first parameter.
  99   PickleIterator iter(message);
 100   bool success = iter.ReadInt(&browser_plugin_instance_id);
 101   DCHECK(success);
 102   BrowserPlugin* plugin = GetBrowserPlugin(browser_plugin_instance_id);
 103   if (plugin && plugin->OnMessageReceived(message))
 104     return true;
 105
 106   // TODO(fsamuel): This is probably forcing the compositor to continue working
 107   // even on display:none. We should optimize this.
 108   if (message.type() == BrowserPluginMsg_CompositorFrameSwapped::ID) {
 109     OnCompositorFrameSwappedPluginUnavailable(message);
 110     return true;
 111   }
 112
 113   return false;
 114 }
 115
 116 bool BrowserPluginManager::Send(IPC::Message* msg) {
 117   return RenderThreadImpl::current()->Send(msg);
 118 }
 119
 120 void BrowserPluginManager::OnCompositorFrameSwappedPluginUnavailable(
 121     const IPC::Message& message) {
 122   BrowserPluginMsg_CompositorFrameSwapped::Param param;
 123   if (!BrowserPluginMsg_CompositorFrameSwapped::Read(&message, &param))
 124     return;
 125
 126   FrameHostMsg_CompositorFrameSwappedACK_Params params;
 127   params.producing_host_id = get<1>(param).producing_host_id;
 128   params.producing_route_id = get<1>(param).producing_route_id;
 129   params.output_surface_id = get<1>(param).output_surface_id;
 130   Send(new BrowserPluginHostMsg_CompositorFrameSwappedACK(
 131       get<0>(param), params));
 132 }
 133
 134 }  // namespace content