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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 "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::IsFileRefHost() {
     52   return false;
     53 }
     54 
     55 bool ResourceHost::IsFileSystemHost() {
     56   return false;
     57 }
     58 
     59 bool ResourceHost::IsGraphics2DHost() {
     60   return false;
     61 }
     62 
     63 void ResourceHost::AddFilter(scoped_refptr<ResourceMessageFilter> filter) {
     64   message_filters_.push_back(filter);
     65   filter->OnFilterAdded(this);
     66 }
     67 
     68 }  // namespace host
     69 }  // namespace ppapi
     70