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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 #ifndef CONTENT_RENDERER_PEPPER_HOST_VAR_TRACKER_H_ | 5 #ifndef CONTENT_RENDERER_PEPPER_HOST_VAR_TRACKER_H_ |
6 #define CONTENT_RENDERER_PEPPER_HOST_VAR_TRACKER_H_ | 6 #define CONTENT_RENDERER_PEPPER_HOST_VAR_TRACKER_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
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24 class ArrayBufferVar; | 24 class ArrayBufferVar; |
25 class V8ObjectVar; | 25 class V8ObjectVar; |
26 class Var; | 26 class Var; |
27 } | 27 } |
28 | 28 |
29 namespace content { | 29 namespace content { |
30 | 30 |
31 class HostVarTracker : public ppapi::VarTracker { | 31 class HostVarTracker : public ppapi::VarTracker { |
32 public: | 32 public: |
33 HostVarTracker(); | 33 HostVarTracker(); |
34 virtual ~HostVarTracker(); | 34 ~HostVarTracker() override; |
35 | 35 |
36 // Tracks all live V8ObjectVar. This is so we can map between instance + | 36 // Tracks all live V8ObjectVar. This is so we can map between instance + |
37 // V8Object and get the V8ObjectVar corresponding to it. This Add/Remove | 37 // V8Object and get the V8ObjectVar corresponding to it. This Add/Remove |
38 // function is called by the V8ObjectVar when it is created and destroyed. | 38 // function is called by the V8ObjectVar when it is created and destroyed. |
39 void AddV8ObjectVar(ppapi::V8ObjectVar* object_var); | 39 void AddV8ObjectVar(ppapi::V8ObjectVar* object_var); |
40 void RemoveV8ObjectVar(ppapi::V8ObjectVar* object_var); | 40 void RemoveV8ObjectVar(ppapi::V8ObjectVar* object_var); |
41 // Creates or retrieves a V8ObjectVar. | 41 // Creates or retrieves a V8ObjectVar. |
42 PP_Var V8ObjectVarForV8Object(PP_Instance instance, | 42 PP_Var V8ObjectVarForV8Object(PP_Instance instance, |
43 v8::Handle<v8::Object> object); | 43 v8::Handle<v8::Object> object); |
44 // Returns the number of V8ObjectVars associated with the given instance. | 44 // Returns the number of V8ObjectVars associated with the given instance. |
45 // Returns 0 if the instance isn't known. | 45 // Returns 0 if the instance isn't known. |
46 CONTENT_EXPORT int GetLiveV8ObjectVarsForTest(PP_Instance instance); | 46 CONTENT_EXPORT int GetLiveV8ObjectVarsForTest(PP_Instance instance); |
47 | 47 |
48 // VarTracker public implementation. | 48 // VarTracker public implementation. |
49 virtual PP_Var MakeResourcePPVarFromMessage( | 49 PP_Var MakeResourcePPVarFromMessage(PP_Instance instance, |
50 PP_Instance instance, | 50 const IPC::Message& creation_message, |
51 const IPC::Message& creation_message, | 51 int pending_renderer_id, |
52 int pending_renderer_id, | 52 int pending_browser_id) override; |
53 int pending_browser_id) override; | 53 ppapi::ResourceVar* MakeResourceVar(PP_Resource pp_resource) override; |
54 virtual ppapi::ResourceVar* MakeResourceVar(PP_Resource pp_resource) override; | 54 void DidDeleteInstance(PP_Instance pp_instance) override; |
55 virtual void DidDeleteInstance(PP_Instance pp_instance) override; | |
56 | 55 |
57 virtual int TrackSharedMemoryHandle(PP_Instance instance, | 56 int TrackSharedMemoryHandle(PP_Instance instance, |
58 base::SharedMemoryHandle file, | 57 base::SharedMemoryHandle file, |
59 uint32 size_in_bytes) override; | 58 uint32 size_in_bytes) override; |
60 virtual bool StopTrackingSharedMemoryHandle(int id, | 59 bool StopTrackingSharedMemoryHandle(int id, |
61 PP_Instance instance, | 60 PP_Instance instance, |
62 base::SharedMemoryHandle* handle, | 61 base::SharedMemoryHandle* handle, |
63 uint32* size_in_bytes) override; | 62 uint32* size_in_bytes) override; |
64 | 63 |
65 private: | 64 private: |
66 // VarTracker private implementation. | 65 // VarTracker private implementation. |
67 virtual ppapi::ArrayBufferVar* CreateArrayBuffer(uint32 size_in_bytes) | 66 ppapi::ArrayBufferVar* CreateArrayBuffer(uint32 size_in_bytes) override; |
68 override; | 67 ppapi::ArrayBufferVar* CreateShmArrayBuffer( |
69 virtual ppapi::ArrayBufferVar* CreateShmArrayBuffer( | |
70 uint32 size_in_bytes, | 68 uint32 size_in_bytes, |
71 base::SharedMemoryHandle handle) override; | 69 base::SharedMemoryHandle handle) override; |
72 | 70 |
73 // Clear the reference count of the given object and remove it from | 71 // Clear the reference count of the given object and remove it from |
74 // live_vars_. | 72 // live_vars_. |
75 void ForceReleaseV8Object(ppapi::V8ObjectVar* object_var); | 73 void ForceReleaseV8Object(ppapi::V8ObjectVar* object_var); |
76 | 74 |
77 // A non-unique, ordered key for a V8ObjectVar. Contains the hash of the v8 | 75 // A non-unique, ordered key for a V8ObjectVar. Contains the hash of the v8 |
78 // and the instance it is associated with. | 76 // and the instance it is associated with. |
79 struct V8ObjectVarKey { | 77 struct V8ObjectVarKey { |
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106 typedef std::map<int, SharedMemoryMapEntry> SharedMemoryMap; | 104 typedef std::map<int, SharedMemoryMapEntry> SharedMemoryMap; |
107 SharedMemoryMap shared_memory_map_; | 105 SharedMemoryMap shared_memory_map_; |
108 uint32_t last_shared_memory_map_id_; | 106 uint32_t last_shared_memory_map_id_; |
109 | 107 |
110 DISALLOW_COPY_AND_ASSIGN(HostVarTracker); | 108 DISALLOW_COPY_AND_ASSIGN(HostVarTracker); |
111 }; | 109 }; |
112 | 110 |
113 } // namespace content | 111 } // namespace content |
114 | 112 |
115 #endif // CONTENT_RENDERER_PEPPER_HOST_VAR_TRACKER_H_ | 113 #endif // CONTENT_RENDERER_PEPPER_HOST_VAR_TRACKER_H_ |
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