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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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_V8OBJECT_VAR_H_ | 5 #ifndef CONTENT_RENDERER_PEPPER_V8OBJECT_VAR_H_ |
6 #define CONTENT_RENDERER_PEPPER_V8OBJECT_VAR_H_ | 6 #define CONTENT_RENDERER_PEPPER_V8OBJECT_VAR_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/compiler_specific.h" | 10 #include "base/compiler_specific.h" |
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26 // reference. If two different modules reference the same v8 object (like the | 26 // reference. If two different modules reference the same v8 object (like the |
27 // "window" object), then there will be different V8ObjectVar's (and hence | 27 // "window" object), then there will be different V8ObjectVar's (and hence |
28 // PP_Var IDs) for each module. This allows us to track all references owned by | 28 // PP_Var IDs) for each module. This allows us to track all references owned by |
29 // a given module and free them when the plugin exits independently of other | 29 // a given module and free them when the plugin exits independently of other |
30 // plugins that may be running at the same time. | 30 // plugins that may be running at the same time. |
31 class CONTENT_EXPORT V8ObjectVar : public Var { | 31 class CONTENT_EXPORT V8ObjectVar : public Var { |
32 public: | 32 public: |
33 V8ObjectVar(PP_Instance instance, v8::Handle<v8::Object> v8_object); | 33 V8ObjectVar(PP_Instance instance, v8::Handle<v8::Object> v8_object); |
34 | 34 |
35 // Var overrides. | 35 // Var overrides. |
36 virtual V8ObjectVar* AsV8ObjectVar() OVERRIDE; | 36 virtual V8ObjectVar* AsV8ObjectVar() override; |
37 virtual PP_VarType GetType() const OVERRIDE; | 37 virtual PP_VarType GetType() const override; |
38 | 38 |
39 // Returns the underlying v8 object corresponding to this V8ObjectVar. This | 39 // Returns the underlying v8 object corresponding to this V8ObjectVar. This |
40 // should only be used on the stack. | 40 // should only be used on the stack. |
41 v8::Local<v8::Object> GetHandle() const; | 41 v8::Local<v8::Object> GetHandle() const; |
42 | 42 |
43 // Notification that the instance was deleted, the internal reference will be | 43 // Notification that the instance was deleted, the internal reference will be |
44 // zeroed out. | 44 // zeroed out. |
45 void InstanceDeleted(); | 45 void InstanceDeleted(); |
46 | 46 |
47 // Possibly NULL if the object has outlived its instance. | 47 // Possibly NULL if the object has outlived its instance. |
48 content::PepperPluginInstanceImpl* instance() const { return instance_; } | 48 content::PepperPluginInstanceImpl* instance() const { return instance_; } |
49 | 49 |
50 // Helper function that converts a PP_Var to an object. This will return NULL | 50 // Helper function that converts a PP_Var to an object. This will return NULL |
51 // if the PP_Var is not of object type or the object is invalid. | 51 // if the PP_Var is not of object type or the object is invalid. |
52 static scoped_refptr<V8ObjectVar> FromPPVar(PP_Var var); | 52 static scoped_refptr<V8ObjectVar> FromPPVar(PP_Var var); |
53 | 53 |
54 private: | 54 private: |
55 virtual ~V8ObjectVar(); | 55 virtual ~V8ObjectVar(); |
56 | 56 |
57 content::PepperPluginInstanceImpl* instance_; | 57 content::PepperPluginInstanceImpl* instance_; |
58 | 58 |
59 v8::Persistent<v8::Object> v8_object_; | 59 v8::Persistent<v8::Object> v8_object_; |
60 | 60 |
61 DISALLOW_COPY_AND_ASSIGN(V8ObjectVar); | 61 DISALLOW_COPY_AND_ASSIGN(V8ObjectVar); |
62 }; | 62 }; |
63 | 63 |
64 } // ppapi | 64 } // ppapi |
65 | 65 |
66 #endif // CONTENT_RENDERER_PEPPER_V8OBJECT_VAR_H_ | 66 #endif // CONTENT_RENDERER_PEPPER_V8OBJECT_VAR_H_ |
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