src/content/renderer/pepper/host_dispatcher_wrapper.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/pepper/host_dispatcher_wrapper.h"
   6
   7 #include "content/common/view_messages.h"
   8 #include "content/renderer/pepper/pepper_hung_plugin_filter.h"
   9 #include "content/renderer/pepper/pepper_plugin_instance_impl.h"
  10 #include "content/renderer/pepper/pepper_proxy_channel_delegate_impl.h"
  11 #include "content/renderer/pepper/plugin_module.h"
  12 #include "content/renderer/pepper/renderer_ppapi_host_impl.h"
  13 #include "content/renderer/pepper/renderer_restrict_dispatch_group.h"
  14 #include "content/renderer/render_frame_impl.h"
  15
  16 namespace content {
  17
  18 HostDispatcherWrapper::HostDispatcherWrapper(
  19     PluginModule* module,
  20     base::ProcessId peer_pid,
  21     int plugin_child_id,
  22     const ppapi::PpapiPermissions& perms,
  23     bool is_external)
  24     : module_(module),
  25       peer_pid_(peer_pid),
  26       plugin_child_id_(plugin_child_id),
  27       permissions_(perms),
  28       is_external_(is_external) {
  29 }
  30
  31 HostDispatcherWrapper::~HostDispatcherWrapper() {
  32 }
  33
  34 bool HostDispatcherWrapper::Init(const IPC::ChannelHandle& channel_handle,
  35                                  PP_GetInterface_Func local_get_interface,
  36                                  const ppapi::Preferences& preferences,
  37                                  PepperHungPluginFilter* filter) {
  38   if (channel_handle.name.empty())
  39     return false;
  40
  41 #if defined(OS_POSIX)
  42   DCHECK_NE(-1, channel_handle.socket.fd);
  43   if (channel_handle.socket.fd == -1)
  44     return false;
  45 #endif
  46
  47   dispatcher_delegate_.reset(new PepperProxyChannelDelegateImpl);
  48   dispatcher_.reset(new ppapi::proxy::HostDispatcher(
  49       module_->pp_module(), local_get_interface, filter, permissions_));
  50
  51   if (!dispatcher_->InitHostWithChannel(dispatcher_delegate_.get(),
  52                                         peer_pid_,
  53                                         channel_handle,
  54                                         true,  // Client.
  55                                         preferences)) {
  56     dispatcher_.reset();
  57     dispatcher_delegate_.reset();
  58     return false;
  59   }
  60   dispatcher_->channel()->SetRestrictDispatchChannelGroup(
  61       kRendererRestrictDispatchGroup_Pepper);
  62   return true;
  63 }
  64
  65 const void* HostDispatcherWrapper::GetProxiedInterface(const char* name) {
  66   return dispatcher_->GetProxiedInterface(name);
  67 }
  68
  69 void HostDispatcherWrapper::AddInstance(PP_Instance instance) {
  70   ppapi::proxy::HostDispatcher::SetForInstance(instance, dispatcher_.get());
  71
  72   RendererPpapiHostImpl* host =
  73       RendererPpapiHostImpl::GetForPPInstance(instance);
  74   // TODO(brettw) remove this null check when the old-style pepper-based
  75   // browser tag is removed from this file. Getting this notification should
  76   // always give us an instance we can find in the map otherwise, but that
  77   // isn't true for browser tag support.
  78   if (host) {
  79     RenderFrame* render_frame = host->GetRenderFrameForInstance(instance);
  80     PepperPluginInstance* plugin_instance = host->GetPluginInstance(instance);
  81     render_frame->Send(new ViewHostMsg_DidCreateOutOfProcessPepperInstance(
  82         plugin_child_id_,
  83         instance,
  84         PepperRendererInstanceData(
  85             0,  // The render process id will be supplied in the browser.
  86             render_frame->GetRoutingID(),
  87             host->GetDocumentURL(instance),
  88             plugin_instance->GetPluginURL()),
  89         is_external_));
  90   }
  91 }
  92
  93 void HostDispatcherWrapper::RemoveInstance(PP_Instance instance) {
  94   ppapi::proxy::HostDispatcher::RemoveForInstance(instance);
  95
  96   RendererPpapiHostImpl* host =
  97       RendererPpapiHostImpl::GetForPPInstance(instance);
  98   // TODO(brettw) remove null check as described in AddInstance.
  99   if (host) {
 100     RenderFrame* render_frame = host->GetRenderFrameForInstance(instance);
 101     if (render_frame) {
 102       render_frame->Send(new ViewHostMsg_DidDeleteOutOfProcessPepperInstance(
 103           plugin_child_id_,
 104           instance,
 105           is_external_));
 106     }
 107   }
 108 }
 109
 110 }  // namespace content