ppapi/shared_impl/resource.cc

   1 // Copyright (c) 2011 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/shared_impl/resource.h"
   6
   7 #include "base/logging.h"
   8 #include "ppapi/shared_impl/resource_tracker.h"
   9 #include "ppapi/shared_impl/ppapi_globals.h"
  10
  11 namespace ppapi {
  12
  13 Resource::Resource(PP_Instance instance) {
  14   // The instance should always be valid (nonzero).
  15   DCHECK(instance);
  16
  17   // For the in-process case, the host resource and resource are the same.
  18   //
  19   // AddResource needs our instance() getter to work, and that goes through
  20   // the host resource, so we need to fill that first even though we don't
  21   // have a resource ID yet, then fill the resource in later.
  22   host_resource_ = HostResource::MakeInstanceOnly(instance);
  23   pp_resource_ = PpapiGlobals::Get()->GetResourceTracker()->AddResource(this);
  24   host_resource_.SetHostResource(instance, pp_resource_);
  25 }
  26
  27 Resource::Resource(const HostResource& host_resource)
  28     : host_resource_(host_resource) {
  29   pp_resource_ = PpapiGlobals::Get()->GetResourceTracker()->AddResource(this);
  30 }
  31
  32 Resource::~Resource() {
  33   PpapiGlobals::Get()->GetResourceTracker()->RemoveResource(this);
  34 }
  35
  36 PP_Resource Resource::GetReference() {
  37   PpapiGlobals::Get()->GetResourceTracker()->AddRefResource(pp_resource());
  38   return pp_resource();
  39 }
  40
  41 void Resource::LastPluginRefWasDeleted() {
  42 }
  43
  44 void Resource::InstanceWasDeleted() {
  45   host_resource_ = HostResource();
  46 }
  47
  48 #define DEFINE_TYPE_GETTER(RESOURCE) \
  49   thunk::RESOURCE* Resource::As##RESOURCE() { return NULL; }
  50 FOR_ALL_PPAPI_RESOURCE_APIS(DEFINE_TYPE_GETTER)
  51 #undef DEFINE_TYPE_GETTER
  52
  53 }  // namespace ppapi
  54