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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "content/renderer/pepper/host_var_tracker.h" | 5 #include "content/renderer/pepper/host_var_tracker.h" |
| 6 | 6 |
| 7 #include "base/logging.h" | 7 #include "base/logging.h" |
| 8 #include "content/renderer/pepper/host_array_buffer_var.h" | 8 #include "content/renderer/pepper/host_array_buffer_var.h" |
| 9 #include "content/renderer/pepper/host_resource_var.h" | 9 #include "content/renderer/pepper/host_resource_var.h" |
| 10 #include "content/renderer/pepper/npobject_var.h" | 10 #include "content/renderer/pepper/npobject_var.h" |
| 11 #include "content/renderer/pepper/pepper_plugin_instance_impl.h" | 11 #include "content/renderer/pepper/pepper_plugin_instance_impl.h" |
| 12 #include "ppapi/c/pp_var.h" | 12 #include "ppapi/c/pp_var.h" |
| 13 | 13 |
| 14 using ppapi::ArrayBufferVar; | 14 using ppapi::ArrayBufferVar; |
| 15 using ppapi::NPObjectVar; | 15 using ppapi::NPObjectVar; |
| 16 | 16 |
| 17 namespace content { | 17 namespace content { |
| 18 | 18 |
| 19 HostVarTracker::HostVarTracker() | 19 HostVarTracker::HostVarTracker() |
| 20 : VarTracker(SINGLE_THREADED), | 20 : VarTracker(SINGLE_THREADED), last_shared_memory_map_id_(0) {} |
| 21 last_shared_memory_map_id_(0) { | |
| 22 } | |
| 23 | 21 |
| 24 HostVarTracker::~HostVarTracker() { | 22 HostVarTracker::~HostVarTracker() {} |
| 25 } | |
| 26 | 23 |
| 27 ArrayBufferVar* HostVarTracker::CreateArrayBuffer(uint32 size_in_bytes) { | 24 ArrayBufferVar* HostVarTracker::CreateArrayBuffer(uint32 size_in_bytes) { |
| 28 return new HostArrayBufferVar(size_in_bytes); | 25 return new HostArrayBufferVar(size_in_bytes); |
| 29 } | 26 } |
| 30 | 27 |
| 31 ArrayBufferVar* HostVarTracker::CreateShmArrayBuffer( | 28 ArrayBufferVar* HostVarTracker::CreateShmArrayBuffer( |
| 32 uint32 size_in_bytes, | 29 uint32 size_in_bytes, |
| 33 base::SharedMemoryHandle handle) { | 30 base::SharedMemoryHandle handle) { |
| 34 return new HostArrayBufferVar(size_in_bytes, handle); | 31 return new HostArrayBufferVar(size_in_bytes, handle); |
| 35 } | 32 } |
| 36 | 33 |
| 37 void HostVarTracker::AddNPObjectVar(NPObjectVar* object_var) { | 34 void HostVarTracker::AddNPObjectVar(NPObjectVar* object_var) { |
| 38 CheckThreadingPreconditions(); | 35 CheckThreadingPreconditions(); |
| 39 | 36 |
| 40 InstanceMap::iterator found_instance = instance_map_.find( | 37 InstanceMap::iterator found_instance = |
| 41 object_var->pp_instance()); | 38 instance_map_.find(object_var->pp_instance()); |
| 42 if (found_instance == instance_map_.end()) { | 39 if (found_instance == instance_map_.end()) { |
| 43 // Lazily create the instance map. | 40 // Lazily create the instance map. |
| 44 DCHECK(object_var->pp_instance() != 0); | 41 DCHECK(object_var->pp_instance() != 0); |
| 45 found_instance = instance_map_.insert(std::make_pair( | 42 found_instance = |
| 46 object_var->pp_instance(), | 43 instance_map_.insert(std::make_pair( |
| 47 linked_ptr<NPObjectToNPObjectVarMap>(new NPObjectToNPObjectVarMap))). | 44 object_var->pp_instance(), |
| 48 first; | 45 linked_ptr<NPObjectToNPObjectVarMap>( |
| 46 new NPObjectToNPObjectVarMap))).first; |
| 49 } | 47 } |
| 50 NPObjectToNPObjectVarMap* np_object_map = found_instance->second.get(); | 48 NPObjectToNPObjectVarMap* np_object_map = found_instance->second.get(); |
| 51 | 49 |
| 52 DCHECK(np_object_map->find(object_var->np_object()) == | 50 DCHECK(np_object_map->find(object_var->np_object()) == np_object_map->end()) |
| 53 np_object_map->end()) << "NPObjectVar already in map"; | 51 << "NPObjectVar already in map"; |
| 54 np_object_map->insert(std::make_pair(object_var->np_object(), object_var)); | 52 np_object_map->insert(std::make_pair(object_var->np_object(), object_var)); |
| 55 } | 53 } |
| 56 | 54 |
| 57 void HostVarTracker::RemoveNPObjectVar(NPObjectVar* object_var) { | 55 void HostVarTracker::RemoveNPObjectVar(NPObjectVar* object_var) { |
| 58 CheckThreadingPreconditions(); | 56 CheckThreadingPreconditions(); |
| 59 | 57 |
| 60 InstanceMap::iterator found_instance = instance_map_.find( | 58 InstanceMap::iterator found_instance = |
| 61 object_var->pp_instance()); | 59 instance_map_.find(object_var->pp_instance()); |
| 62 if (found_instance == instance_map_.end()) { | 60 if (found_instance == instance_map_.end()) { |
| 63 NOTREACHED() << "NPObjectVar has invalid instance."; | 61 NOTREACHED() << "NPObjectVar has invalid instance."; |
| 64 return; | 62 return; |
| 65 } | 63 } |
| 66 NPObjectToNPObjectVarMap* np_object_map = found_instance->second.get(); | 64 NPObjectToNPObjectVarMap* np_object_map = found_instance->second.get(); |
| 67 | 65 |
| 68 NPObjectToNPObjectVarMap::iterator found_object = | 66 NPObjectToNPObjectVarMap::iterator found_object = |
| 69 np_object_map->find(object_var->np_object()); | 67 np_object_map->find(object_var->np_object()); |
| 70 if (found_object == np_object_map->end()) { | 68 if (found_object == np_object_map->end()) { |
| 71 NOTREACHED() << "NPObjectVar not registered."; | 69 NOTREACHED() << "NPObjectVar not registered."; |
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| 178 if (it->second.instance != instance) | 176 if (it->second.instance != instance) |
| 179 return false; | 177 return false; |
| 180 | 178 |
| 181 *handle = it->second.handle; | 179 *handle = it->second.handle; |
| 182 *size_in_bytes = it->second.size_in_bytes; | 180 *size_in_bytes = it->second.size_in_bytes; |
| 183 shared_memory_map_.erase(it); | 181 shared_memory_map_.erase(it); |
| 184 return true; | 182 return true; |
| 185 } | 183 } |
| 186 | 184 |
| 187 } // namespace content | 185 } // namespace content |
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