ppapi/host/resource_host.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 "ppapi/host/resource_host.h"
   6
   7 #include "base/logging.h"
   8 #include "ppapi/c/pp_errors.h"
   9 #include "ppapi/host/ppapi_host.h"
  10 #include "ppapi/host/resource_message_filter.h"
  11
  12 namespace ppapi {
  13 namespace host {
  14
  15 ResourceHost::ResourceHost(PpapiHost* host,
  16                            PP_Instance instance,
  17                            PP_Resource resource)
  18     : host_(host),
  19       pp_instance_(instance),
  20       pp_resource_(resource) {
  21 }
  22
  23 ResourceHost::~ResourceHost() {
  24   for (size_t i = 0; i < message_filters_.size(); ++i)
  25     message_filters_[i]->OnFilterDestroyed();
  26 }
  27
  28 bool ResourceHost::HandleMessage(const IPC::Message& msg,
  29                                  HostMessageContext* context) {
  30   // First see if the message is handled off-thread by message filters.
  31   for (size_t i = 0; i < message_filters_.size(); ++i) {
  32     if (message_filters_[i]->HandleMessage(msg, context))
  33       return true;
  34   }
  35   // Run this ResourceHosts message handler.
  36   RunMessageHandlerAndReply(msg, context);
  37   return true;
  38 }
  39
  40 void ResourceHost::SetPPResourceForPendingHost(PP_Resource pp_resource) {
  41   DCHECK(!pp_resource_);
  42   pp_resource_ = pp_resource;
  43   DidConnectPendingHostToResource();
  44 }
  45
  46 void ResourceHost::SendReply(const ReplyMessageContext& context,
  47                              const IPC::Message& msg) {
  48   host_->SendReply(context, msg);
  49 }
  50
  51 bool ResourceHost::IsCompositorHost() {
  52   return false;
  53 }
  54
  55 bool ResourceHost::IsFileRefHost() {
  56   return false;
  57 }
  58
  59 bool ResourceHost::IsFileSystemHost() {
  60   return false;
  61 }
  62
  63 bool ResourceHost::IsMediaStreamVideoTrackHost() {
  64   return false;
  65 }
  66
  67 bool ResourceHost::IsGraphics2DHost() {
  68   return false;
  69 }
  70
  71 void ResourceHost::AddFilter(scoped_refptr<ResourceMessageFilter> filter) {
  72   message_filters_.push_back(filter);
  73   filter->OnFilterAdded(this);
  74 }
  75
  76 }  // namespace host
  77 }  // namespace ppapi