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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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 WEBKIT_PLUGINS_PPAPI_PLUGIN_OBJECT_H_ | 5 #ifndef WEBKIT_PLUGINS_PPAPI_PLUGIN_OBJECT_H_ |
6 #define WEBKIT_PLUGINS_PPAPI_PLUGIN_OBJECT_H_ | 6 #define WEBKIT_PLUGINS_PPAPI_PLUGIN_OBJECT_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
11 | 11 |
12 struct PP_Var; | 12 struct PP_Var; |
13 struct PPP_Class_Deprecated; | 13 struct PPP_Class_Deprecated; |
14 typedef struct NPObject NPObject; | 14 typedef struct NPObject NPObject; |
15 typedef struct _NPVariant NPVariant; | 15 typedef struct _NPVariant NPVariant; |
16 | 16 |
17 namespace webkit { | 17 namespace webkit { |
18 namespace ppapi { | 18 namespace ppapi { |
19 | 19 |
20 class PluginInstance; | 20 class PluginInstanceImpl; |
21 | 21 |
22 // A PluginObject is a JS-accessible object implemented by the plugin. | 22 // A PluginObject is a JS-accessible object implemented by the plugin. |
23 // | 23 // |
24 // In contrast, a var of type PP_VARTYPE_OBJECT is a reference to a JS object, | 24 // In contrast, a var of type PP_VARTYPE_OBJECT is a reference to a JS object, |
25 // which might be implemented by the plugin (here) or by the JS engine. | 25 // which might be implemented by the plugin (here) or by the JS engine. |
26 class PluginObject { | 26 class PluginObject { |
27 public: | 27 public: |
28 virtual ~PluginObject(); | 28 virtual ~PluginObject(); |
29 | 29 |
30 // Allocates a new PluginObject and returns it as a PP_Var with a | 30 // Allocates a new PluginObject and returns it as a PP_Var with a |
31 // refcount of 1. | 31 // refcount of 1. |
32 static PP_Var Create(PluginInstance* instance, | 32 static PP_Var Create(PluginInstanceImpl* instance, |
33 const PPP_Class_Deprecated* ppp_class, | 33 const PPP_Class_Deprecated* ppp_class, |
34 void* ppp_class_data); | 34 void* ppp_class_data); |
35 | 35 |
36 PluginInstance* instance() const { return instance_; } | 36 PluginInstanceImpl* instance() const { return instance_; } |
37 | 37 |
38 const PPP_Class_Deprecated* ppp_class() { return ppp_class_; } | 38 const PPP_Class_Deprecated* ppp_class() { return ppp_class_; } |
39 void* ppp_class_data() { return ppp_class_data_; }; | 39 void* ppp_class_data() { return ppp_class_data_; }; |
40 | 40 |
41 NPObject* GetNPObject() const; | 41 NPObject* GetNPObject() const; |
42 | 42 |
43 // Returns true if the given var is an object implemented by the same plugin | 43 // Returns true if the given var is an object implemented by the same plugin |
44 // that owns the var object, and that the class matches. If it matches, | 44 // that owns the var object, and that the class matches. If it matches, |
45 // returns true and places the class data into |*ppp_class_data| (which can | 45 // returns true and places the class data into |*ppp_class_data| (which can |
46 // optionally be NULL if no class data is desired). | 46 // optionally be NULL if no class data is desired). |
(...skipping 14 matching lines...) Expand all Loading... |
61 static NPObject* AllocateObjectWrapper(); | 61 static NPObject* AllocateObjectWrapper(); |
62 | 62 |
63 private: | 63 private: |
64 struct NPObjectWrapper; | 64 struct NPObjectWrapper; |
65 | 65 |
66 // This object must be created using the CreateObject function of the which | 66 // This object must be created using the CreateObject function of the which |
67 // will set up the correct NPObject. | 67 // will set up the correct NPObject. |
68 // | 68 // |
69 // The NPObjectWrapper (an NPObject) should already have the reference | 69 // The NPObjectWrapper (an NPObject) should already have the reference |
70 // incremented on it, and this class will take ownership of that reference. | 70 // incremented on it, and this class will take ownership of that reference. |
71 PluginObject(PluginInstance* instance, | 71 PluginObject(PluginInstanceImpl* instance, |
72 NPObjectWrapper* object_wrapper, | 72 NPObjectWrapper* object_wrapper, |
73 const PPP_Class_Deprecated* ppp_class, | 73 const PPP_Class_Deprecated* ppp_class, |
74 void* ppp_class_data); | 74 void* ppp_class_data); |
75 | 75 |
76 PluginInstance* instance_; | 76 PluginInstanceImpl* instance_; |
77 | 77 |
78 // Holds a pointer to the NPObject wrapper backing the var. This class | 78 // Holds a pointer to the NPObject wrapper backing the var. This class |
79 // derives from NPObject and we hold a reference to it, so it must be | 79 // derives from NPObject and we hold a reference to it, so it must be |
80 // refcounted. When the type is not an object, this value will be NULL. | 80 // refcounted. When the type is not an object, this value will be NULL. |
81 // | 81 // |
82 // We don't actually own this pointer, it's the NPObject that actually | 82 // We don't actually own this pointer, it's the NPObject that actually |
83 // owns us. | 83 // owns us. |
84 NPObjectWrapper* object_wrapper_; | 84 NPObjectWrapper* object_wrapper_; |
85 | 85 |
86 const PPP_Class_Deprecated* ppp_class_; | 86 const PPP_Class_Deprecated* ppp_class_; |
87 void* ppp_class_data_; | 87 void* ppp_class_data_; |
88 | 88 |
89 DISALLOW_COPY_AND_ASSIGN(PluginObject); | 89 DISALLOW_COPY_AND_ASSIGN(PluginObject); |
90 }; | 90 }; |
91 | 91 |
92 } // namespace ppapi | 92 } // namespace ppapi |
93 } // namespace webkit | 93 } // namespace webkit |
94 | 94 |
95 #endif // WEBKIT_PLUGINS_PPAPI_PLUGIN_OBJECT_H_ | 95 #endif // WEBKIT_PLUGINS_PPAPI_PLUGIN_OBJECT_H_ |
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