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| 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_channel_manager.h" |
| 6 |
| 7 #include "base/process_util.h" |
| 8 #include "content/common/browser_plugin_messages.h" |
| 9 #include "content/common/view_messages.h" |
| 10 #include "content/renderer/browser_plugin/browser_plugin.h" |
| 11 #include "content/renderer/browser_plugin/guest_to_embedder_channel.h" |
| 12 #include "content/renderer/render_thread_impl.h" |
| 13 #include "content/renderer/render_view_impl.h" |
| 14 #include "ppapi/c/pp_instance.h" |
| 15 |
| 16 namespace content { |
| 17 |
| 18 BrowserPluginChannelManager::BrowserPluginChannelManager() { |
| 19 } |
| 20 |
| 21 BrowserPluginChannelManager::~BrowserPluginChannelManager() { |
| 22 } |
| 23 |
| 24 void BrowserPluginChannelManager::CreateRenderView( |
| 25 const ViewMsg_New_Params& params) { |
| 26 IPC::ChannelHandle plugin_handle; |
| 27 plugin_handle.name = |
| 28 IPC::Channel::GenerateVerifiedChannelID(params.embedder_channel_name); |
| 29 bool success = true; |
| 30 scoped_refptr<GuestToEmbedderChannel> channel = |
| 31 GetChannelByName(params.embedder_channel_name); |
| 32 if (!channel) { |
| 33 channel = new GuestToEmbedderChannel(params.embedder_channel_name); |
| 34 success = channel->InitChannel(plugin_handle); |
| 35 |
| 36 #if defined(OS_POSIX) |
| 37 // On POSIX, transfer ownership of the renderer-side (client) FD. |
| 38 // This ensures this process will be notified when it is closed even if a |
| 39 // connection is not established. |
| 40 plugin_handle.socket = |
| 41 base::FileDescriptor(channel->TakeRendererFD(), true); |
| 42 if (plugin_handle.socket.fd == -1) |
| 43 success = false; |
| 44 #endif |
| 45 DCHECK(success); |
| 46 embedder_channels_[params.embedder_channel_name] = channel; |
| 47 } |
| 48 DCHECK(pending_guests_.find(params.view_id) == |
| 49 pending_guests_.end()); |
| 50 pending_guests_[params.view_id] = |
| 51 RenderViewImpl::Create( |
| 52 params.parent_window, |
| 53 params.opener_route_id, |
| 54 params.renderer_preferences, |
| 55 params.web_preferences, |
| 56 new SharedRenderViewCounter(0), |
| 57 params.view_id, |
| 58 params.surface_id, |
| 59 params.session_storage_namespace_id, |
| 60 params.frame_name, |
| 61 false, |
| 62 params.swapped_out, |
| 63 params.next_page_id, |
| 64 params.screen_info, |
| 65 channel, |
| 66 params.accessibility_mode)->AsWeakPtr(); |
| 67 RenderThreadImpl::current()->Send( |
| 68 new BrowserPluginHostMsg_ConnectToChannel(params.view_id, |
| 69 success ? plugin_handle : IPC::ChannelHandle())); |
| 70 } |
| 71 |
| 72 bool BrowserPluginChannelManager::OnControlMessageReceived( |
| 73 const IPC::Message& message) { |
| 74 bool handled = true; |
| 75 IPC_BEGIN_MESSAGE_MAP(BrowserPluginChannelManager, message) |
| 76 IPC_MESSAGE_HANDLER(BrowserPluginMsg_CompleteNavigation, |
| 77 OnCompleteNavigation) |
| 78 IPC_MESSAGE_HANDLER(BrowserPluginMsg_LoadGuest, OnLoadGuest) |
| 79 IPC_MESSAGE_UNHANDLED(handled = false) |
| 80 IPC_END_MESSAGE_MAP() |
| 81 |
| 82 return handled; |
| 83 } |
| 84 |
| 85 GuestToEmbedderChannel* BrowserPluginChannelManager::GetChannelByName( |
| 86 const std::string& embedder_channel_name) { |
| 87 EmbedderChannelNameToChannelMap::iterator it = |
| 88 embedder_channels_.find(embedder_channel_name); |
| 89 if (it != embedder_channels_.end()) |
| 90 return it->second; |
| 91 return NULL; |
| 92 } |
| 93 |
| 94 void BrowserPluginChannelManager::RemoveChannelByName( |
| 95 const std::string& embedder_channel_name) { |
| 96 embedder_channels_.erase(embedder_channel_name); |
| 97 } |
| 98 |
| 99 void BrowserPluginChannelManager::OnCompleteNavigation( |
| 100 int guest_routing_id, |
| 101 PP_Instance instance) { |
| 102 CHECK(pending_guests_.find(guest_routing_id) != |
| 103 pending_guests_.end()); |
| 104 RenderViewImpl* render_view = pending_guests_[guest_routing_id]; |
| 105 pending_guests_.erase(guest_routing_id); |
| 106 GuestToEmbedderChannel* channel = render_view->guest_to_embedder_channel(); |
| 107 // Associate the RenderView with the provided PP_Instance ID, request the |
| 108 // receipt of events, and initialize the graphics context. |
| 109 channel->AddGuest(instance, render_view); |
| 110 channel->RequestInputEvents(instance); |
| 111 render_view->GuestReady(instance); |
| 112 } |
| 113 |
| 114 void BrowserPluginChannelManager::OnLoadGuest( |
| 115 int instance_id, |
| 116 int guest_process_id, |
| 117 const IPC::ChannelHandle& channel_handle) { |
| 118 BrowserPlugin* browser_plugin = BrowserPlugin::FromID(instance_id); |
| 119 browser_plugin->LoadGuest(guest_process_id, channel_handle); |
| 120 } |
| 121 |
| 122 } // namespace content |
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