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Side by Side Diff: content/renderer/pepper/npobject_var.h

Issue 20165002: Move webkit/plugins/ppapi to content/renderer/pepper. (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: more more clang fun Created 7 years, 4 months ago
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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 WEBKIT_PLUGINS_PPAPI_NPOBJECT_VAR_H_ 5 #ifndef CONTENT_RENDERER_PEPPER_NPOBJECT_VAR_H_
6 #define WEBKIT_PLUGINS_PPAPI_NPOBJECT_VAR_H_ 6 #define CONTENT_RENDERER_PEPPER_NPOBJECT_VAR_H_
7 7
8 #include <string> 8 #include <string>
9 9
10 #include "base/compiler_specific.h" 10 #include "base/compiler_specific.h"
11 #include "ppapi/c/pp_instance.h" 11 #include "ppapi/c/pp_instance.h"
12 #include "ppapi/shared_impl/var.h" 12 #include "ppapi/shared_impl/var.h"
13 #include "webkit/plugins/webkit_plugins_export.h" 13 #include "content/common/content_export.h"
14 14
15 typedef struct NPObject NPObject; 15 typedef struct NPObject NPObject;
16 typedef struct _NPVariant NPVariant; 16 typedef struct _NPVariant NPVariant;
17 typedef void* NPIdentifier; 17 typedef void* NPIdentifier;
18 18
19 namespace ppapi { 19 namespace ppapi {
20 20
21 // NPObjectVar ----------------------------------------------------------------- 21 // NPObjectVar -----------------------------------------------------------------
22 22
23 // Represents a JavaScript object Var. By itself, this represents random 23 // Represents a JavaScript object Var. By itself, this represents random
24 // NPObjects that a given plugin (identified by the resource's module) wants to 24 // NPObjects that a given plugin (identified by the resource's module) wants to
25 // reference. If two different modules reference the same NPObject (like the 25 // reference. If two different modules reference the same NPObject (like the
26 // "window" object), then there will be different NPObjectVar's (and hence 26 // "window" object), then there will be different NPObjectVar's (and hence
27 // PP_Var IDs) for each module. This allows us to track all references owned by 27 // PP_Var IDs) for each module. This allows us to track all references owned by
28 // a given module and free them when the plugin exits independently of other 28 // a given module and free them when the plugin exits independently of other
29 // plugins that may be running at the same time. 29 // plugins that may be running at the same time.
30 class NPObjectVar : public Var { 30 class NPObjectVar : public Var {
31 public: 31 public:
32 // You should always use FromNPObject to create an NPObjectVar. This function 32 // You should always use FromNPObject to create an NPObjectVar. This function
33 // guarantees that we maintain the 1:1 mapping between NPObject and 33 // guarantees that we maintain the 1:1 mapping between NPObject and
34 // NPObjectVar. 34 // NPObjectVar.
35 NPObjectVar(PP_Instance instance, NPObject* np_object); 35 NPObjectVar(PP_Instance instance, NPObject* np_object);
36 36
37 virtual ~NPObjectVar();
38
39 // Var overrides. 37 // Var overrides.
40 virtual NPObjectVar* AsNPObjectVar() OVERRIDE; 38 virtual NPObjectVar* AsNPObjectVar() OVERRIDE;
41 virtual PP_VarType GetType() const OVERRIDE; 39 virtual PP_VarType GetType() const OVERRIDE;
42 40
43 // Returns the underlying NPObject corresponding to this NPObjectVar. 41 // Returns the underlying NPObject corresponding to this NPObjectVar.
44 // Guaranteed non-NULL. 42 // Guaranteed non-NULL.
45 NPObject* np_object() const { return np_object_; } 43 NPObject* np_object() const { return np_object_; }
46 44
47 // Notification that the instance was deleted, the internal reference will be 45 // Notification that the instance was deleted, the internal reference will be
48 // zeroed out. 46 // zeroed out.
49 void InstanceDeleted(); 47 void InstanceDeleted();
50 48
51 // Possibly 0 if the object has outlived its instance. 49 // Possibly 0 if the object has outlived its instance.
52 PP_Instance pp_instance() const { return pp_instance_; } 50 PP_Instance pp_instance() const { return pp_instance_; }
53 51
54 // Helper function that converts a PP_Var to an object. This will return NULL 52 // Helper function that converts a PP_Var to an object. This will return NULL
55 // if the PP_Var is not of object type or the object is invalid. 53 // if the PP_Var is not of object type or the object is invalid.
56 WEBKIT_PLUGINS_EXPORT static scoped_refptr<NPObjectVar> FromPPVar(PP_Var var); 54 CONTENT_EXPORT static scoped_refptr<NPObjectVar> FromPPVar(PP_Var var);
57 55
58 private: 56 private:
57 virtual ~NPObjectVar();
58
59 // Possibly 0 if the object has outlived its instance. 59 // Possibly 0 if the object has outlived its instance.
60 PP_Instance pp_instance_; 60 PP_Instance pp_instance_;
61 61
62 // Guaranteed non-NULL, this is the underlying object used by WebKit. We 62 // Guaranteed non-NULL, this is the underlying object used by WebKit. We
63 // hold a reference to this object. 63 // hold a reference to this object.
64 NPObject* np_object_; 64 NPObject* np_object_;
65 65
66 DISALLOW_COPY_AND_ASSIGN(NPObjectVar); 66 DISALLOW_COPY_AND_ASSIGN(NPObjectVar);
67 }; 67 };
68 68
69 } // namespace 69 } // namespace
70 70
71 #endif // WEBKIT_PLUGINS_PPAPI_NPOBJECT_VAR_H_ 71 #endif // CONTENT_RENDERER_PEPPER_NPOBJECT_VAR_H_
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