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1 // Copyright (c) 2011 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 #include "webkit/plugins/ppapi/npobject_var.h" | |
6 | |
7 #include "base/logging.h" | |
8 #include "ppapi/c/pp_var.h" | |
9 #include "third_party/WebKit/public/web/WebBindings.h" | |
10 #include "webkit/plugins/ppapi/host_globals.h" | |
11 #include "webkit/plugins/ppapi/host_var_tracker.h" | |
12 | |
13 using webkit::ppapi::HostGlobals; | |
14 using WebKit::WebBindings; | |
15 | |
16 namespace ppapi { | |
17 | |
18 // NPObjectVar ----------------------------------------------------------------- | |
19 | |
20 NPObjectVar::NPObjectVar(PP_Instance instance, | |
21 NPObject* np_object) | |
22 : pp_instance_(instance), | |
23 np_object_(np_object) { | |
24 WebBindings::retainObject(np_object_); | |
25 HostGlobals::Get()->host_var_tracker()->AddNPObjectVar(this); | |
26 } | |
27 | |
28 NPObjectVar::~NPObjectVar() { | |
29 if (pp_instance()) | |
30 HostGlobals::Get()->host_var_tracker()->RemoveNPObjectVar(this); | |
31 WebBindings::releaseObject(np_object_); | |
32 } | |
33 | |
34 NPObjectVar* NPObjectVar::AsNPObjectVar() { | |
35 return this; | |
36 } | |
37 | |
38 PP_VarType NPObjectVar::GetType() const { | |
39 return PP_VARTYPE_OBJECT; | |
40 } | |
41 | |
42 void NPObjectVar::InstanceDeleted() { | |
43 DCHECK(pp_instance_); | |
44 HostGlobals::Get()->host_var_tracker()->RemoveNPObjectVar(this); | |
45 pp_instance_ = 0; | |
46 } | |
47 | |
48 // static | |
49 scoped_refptr<NPObjectVar> NPObjectVar::FromPPVar(PP_Var var) { | |
50 if (var.type != PP_VARTYPE_OBJECT) | |
51 return scoped_refptr<NPObjectVar>(NULL); | |
52 scoped_refptr<Var> var_object( | |
53 PpapiGlobals::Get()->GetVarTracker()->GetVar(var)); | |
54 if (!var_object.get()) | |
55 return scoped_refptr<NPObjectVar>(); | |
56 return scoped_refptr<NPObjectVar>(var_object->AsNPObjectVar()); | |
57 } | |
58 | |
59 } // namespace ppapi | |
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