resource.cc revision c2e0dbddbe15c98d52c4786dac06cb8952a8ae6d
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/shared_impl/resource.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/shared_impl/resource_tracker.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/shared_impl/ppapi_globals.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace ppapi { 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Resource::Resource(ResourceObjectType type, PP_Instance instance) 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : host_resource_(HostResource::MakeInstanceOnly(instance)) { 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The instance should be valid (nonzero). 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(instance); 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp_resource_ = PpapiGlobals::Get()->GetResourceTracker()->AddResource(this); 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (type == OBJECT_IS_IMPL) { 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // For the in-process case, the host resource and resource are the same. 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Note that we need to have set the instance above (in the initializer 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // list) since AddResource needs our instance() getter to work, and that 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // goes through the host resource. When we get the "real" resource ID, 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // we re-set the host_resource. 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) host_resource_.SetHostResource(instance, pp_resource_); 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Resource::Resource(ResourceObjectType type, const HostResource& host_resource) 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : host_resource_(host_resource) { 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp_resource_ = PpapiGlobals::Get()->GetResourceTracker()->AddResource(this); 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (type == OBJECT_IS_IMPL) { 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // When using this constructor for the implementation, the resource ID 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // should not have been passed in. 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(host_resource_.host_resource() == 0); 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // See previous constructor. 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) host_resource_.SetHostResource(host_resource.instance(), pp_resource_); 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Resource::Resource(Untracked) { 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp_resource_ = PpapiGlobals::Get()->GetResourceTracker()->AddResource(this); 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Resource::~Resource() { 48c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) RemoveFromResourceTracker(); 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PP_Resource Resource::GetReference() { 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PpapiGlobals::Get()->GetResourceTracker()->AddRefResource(pp_resource()); 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return pp_resource(); 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void Resource::NotifyLastPluginRefWasDeleted() { 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Notify subclasses. 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LastPluginRefWasDeleted(); 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void Resource::NotifyInstanceWasDeleted() { 622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Hold a reference, because InstanceWasDeleted() may cause us to be 632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // destroyed. 642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_refptr<Resource> keep_alive(this); 652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Notify subclasses. 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) InstanceWasDeleted(); 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) host_resource_ = HostResource(); 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void Resource::OnReplyReceived(const proxy::ResourceMessageReplyParams& params, 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const IPC::Message& msg) { 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void Resource::Log(PP_LogLevel level, const std::string& message) { 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PpapiGlobals::Get()->LogWithSource(pp_instance(), level, std::string(), 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) message); 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 82c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)void Resource::RemoveFromResourceTracker() { 83c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) PpapiGlobals::Get()->GetResourceTracker()->RemoveResource(this); 84c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 85c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define DEFINE_TYPE_GETTER(RESOURCE) \ 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) thunk::RESOURCE* Resource::As##RESOURCE() { return NULL; } 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)FOR_ALL_PPAPI_RESOURCE_APIS(DEFINE_TYPE_GETTER) 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#undef DEFINE_TYPE_GETTER 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace ppapi 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 93