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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ppapi/shared_impl/resource.h"
#include "base/check.h"
#include "base/notreached.h"
#include "ppapi/shared_impl/ppapi_globals.h"
#include "ppapi/shared_impl/resource_tracker.h"
namespace ppapi {
Resource::Resource(ResourceObjectType type, PP_Instance instance)
: host_resource_(HostResource::MakeInstanceOnly(instance)) {
// The instance should be valid (nonzero).
DCHECK(instance);
pp_resource_ = PpapiGlobals::Get()->GetResourceTracker()->AddResource(this);
if (type == OBJECT_IS_IMPL) {
// For the in-process case, the host resource and resource are the same.
//
// Note that we need to have set the instance above (in the initializer
// list) since AddResource needs our instance() getter to work, and that
// goes through the host resource. When we get the "real" resource ID,
// we re-set the host_resource.
host_resource_.SetHostResource(instance, pp_resource_);
}
}
Resource::Resource(ResourceObjectType type, const HostResource& host_resource)
: host_resource_(host_resource) {
pp_resource_ = PpapiGlobals::Get()->GetResourceTracker()->AddResource(this);
if (type == OBJECT_IS_IMPL) {
// When using this constructor for the implementation, the resource ID
// should not have been passed in.
DCHECK(host_resource_.host_resource() == 0);
// See previous constructor.
host_resource_.SetHostResource(host_resource.instance(), pp_resource_);
}
}
Resource::Resource(Untracked) {
pp_resource_ = PpapiGlobals::Get()->GetResourceTracker()->AddResource(this);
}
Resource::~Resource() { RemoveFromResourceTracker(); }
PP_Resource Resource::GetReference() {
PpapiGlobals::Get()->GetResourceTracker()->AddRefResource(pp_resource());
return pp_resource();
}
void Resource::NotifyLastPluginRefWasDeleted() {
// Notify subclasses.
LastPluginRefWasDeleted();
}
void Resource::NotifyInstanceWasDeleted() {
// Hold a reference, because InstanceWasDeleted() may cause us to be
// destroyed.
scoped_refptr<Resource> keep_alive(this);
// Notify subclasses.
InstanceWasDeleted();
host_resource_ = HostResource();
}
void Resource::OnReplyReceived(const proxy::ResourceMessageReplyParams& params,
const IPC::Message& msg) {
NOTREACHED();
}
void Resource::Log(PP_LogLevel level, const std::string& message) {
PpapiGlobals::Get()->LogWithSource(
pp_instance(), level, std::string(), message);
}
void Resource::RemoveFromResourceTracker() {
PpapiGlobals::Get()->GetResourceTracker()->RemoveResource(this);
}
#define DEFINE_TYPE_GETTER(RESOURCE) \
thunk::RESOURCE* Resource::As##RESOURCE() { return NULL; }
FOR_ALL_PPAPI_RESOURCE_APIS(DEFINE_TYPE_GETTER)
#undef DEFINE_TYPE_GETTER
} // namespace ppapi
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