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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef WEBKIT_GLUE_PLUGINS_PEPPER_PLUGIN_OBJECT_H_ | |
| 6 #define WEBKIT_GLUE_PLUGINS_PEPPER_PLUGIN_OBJECT_H_ | |
| 7 | |
| 8 #include <string> | |
| 9 | |
| 10 #include "base/basictypes.h" | |
| 11 | |
| 12 struct PP_Var; | |
| 13 struct PPP_Class_Deprecated; | |
| 14 typedef struct NPObject NPObject; | |
| 15 typedef struct _NPVariant NPVariant; | |
| 16 | |
| 17 namespace pepper { | |
| 18 | |
| 19 class PluginModule; | |
| 20 | |
| 21 class PluginObject { | |
| 22 public: | |
| 23 virtual ~PluginObject(); | |
| 24 | |
| 25 // Allocates a new PluginObject and returns it as a PP_Var with a | |
| 26 // refcount of 1. | |
| 27 static PP_Var Create(PluginModule* module, | |
| 28 const PPP_Class_Deprecated* ppp_class, | |
| 29 void* ppp_class_data); | |
| 30 | |
| 31 PluginModule* module() const { return module_; } | |
| 32 | |
| 33 const PPP_Class_Deprecated* ppp_class() { return ppp_class_; } | |
| 34 void* ppp_class_data() { return ppp_class_data_; }; | |
| 35 | |
| 36 NPObject* GetNPObject() const; | |
| 37 | |
| 38 // Returns true if the given var is an object implemented by the same plugin | |
| 39 // that owns the var object, and that the class matches. If it matches, | |
| 40 // returns true and places the class data into |*ppp_class_data| (which can | |
| 41 // optionally be NULL if no class data is desired). | |
| 42 static bool IsInstanceOf(NPObject* np_object, | |
| 43 const PPP_Class_Deprecated* ppp_class, | |
| 44 void** ppp_class_data); | |
| 45 | |
| 46 // Converts the given NPObject to the corresponding ObjectVar. | |
| 47 // | |
| 48 // The given NPObject must be one corresponding to a PluginObject or this | |
| 49 // will crash. If the object is a PluginObject but the plugin has gone | |
| 50 // away (the object could still be alive because of a reference from JS), | |
| 51 // then the return value will be NULL. | |
| 52 static PluginObject* FromNPObject(NPObject* object); | |
| 53 | |
| 54 // Allocates a plugin wrapper object and returns it as an NPObject. This is | |
| 55 // used internally only. | |
| 56 static NPObject* AllocateObjectWrapper(); | |
| 57 | |
| 58 private: | |
| 59 struct NPObjectWrapper; | |
| 60 | |
| 61 // This object must be created using the CreateObject function of the which | |
| 62 // will set up the correct NPObject. | |
| 63 // | |
| 64 // The NPObjectWrapper (an NPObject) should already have the reference | |
| 65 // incremented on it, and this class will take ownership of that reference. | |
| 66 PluginObject(PluginModule* module, | |
| 67 NPObjectWrapper* object_wrapper, | |
| 68 const PPP_Class_Deprecated* ppp_class, | |
| 69 void* ppp_class_data); | |
| 70 | |
| 71 PluginModule* module_; | |
| 72 | |
| 73 // Holds a pointer to the NPObject wrapper backing the var. This class | |
| 74 // derives from NPObject and we hold a reference to it, so it must be | |
| 75 // refcounted. When the type is not an object, this value will be NULL. | |
| 76 // | |
| 77 // We don't actually own this pointer, it's the NPObject that actually | |
| 78 // owns us. | |
| 79 NPObjectWrapper* object_wrapper_; | |
| 80 | |
| 81 const PPP_Class_Deprecated* ppp_class_; | |
| 82 void* ppp_class_data_; | |
| 83 | |
| 84 DISALLOW_COPY_AND_ASSIGN(PluginObject); | |
| 85 }; | |
| 86 | |
| 87 } // namespace pepper | |
| 88 | |
| 89 #endif // WEBKIT_GLUE_PLUGINS_PEPPER_PLUGIN_OBJECT_H_ | |
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Chromium Code Reviews
Issue 5828003:
Move the Pepper implementation from webkit/glue/plugins/pepper_* to... (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/