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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 "ppapi/shared_impl/ppb_var_impl.h" | |
6 | |
7 #include <limits> | |
8 | |
9 #include "ppapi/c/ppb_var.h" | |
10 #include "ppapi/c/pp_var.h" | |
11 #include "ppapi/shared_impl/ppapi_globals.h" | |
12 #include "ppapi/shared_impl/proxy_lock.h" | |
13 #include "ppapi/shared_impl/var.h" | |
14 #include "ppapi/shared_impl/var_tracker.h" | |
15 | |
16 using ppapi::PpapiGlobals; | |
17 using ppapi::StringVar; | |
18 | |
19 namespace ppapi { | |
20 | |
21 void AddRefVar(PP_Var var) { | |
22 ppapi::ProxyAutoLock lock; | |
23 PpapiGlobals::Get()->GetVarTracker()->AddRefVar(var); | |
24 } | |
25 | |
26 void ReleaseVar(PP_Var var) { | |
27 ppapi::ProxyAutoLock lock; | |
28 PpapiGlobals::Get()->GetVarTracker()->ReleaseVar(var); | |
29 } | |
30 | |
31 PP_Var VarFromUtf8(const char* data, uint32_t len) { | |
32 ppapi::ProxyAutoLock lock; | |
33 return StringVar::StringToPPVar(data, len); | |
34 } | |
35 | |
36 PP_Var VarFromUtf8_1_0(PP_Module /*module*/, const char* data, uint32_t len) { | |
37 return VarFromUtf8(data, len); | |
38 } | |
39 | |
40 const char* VarToUtf8(PP_Var var, uint32_t* len) { | |
41 ppapi::ProxyAutoLock lock; | |
42 StringVar* str = StringVar::FromPPVar(var); | |
43 if (str) { | |
44 *len = static_cast<uint32_t>(str->value().size()); | |
45 return str->value().c_str(); | |
46 } | |
47 *len = 0; | |
48 return NULL; | |
49 } | |
50 | |
51 namespace { | |
52 const PPB_Var var_interface = { | |
53 &AddRefVar, | |
54 &ReleaseVar, | |
55 &VarFromUtf8, | |
56 &VarToUtf8 | |
57 }; | |
58 | |
59 const PPB_Var_1_0 var_interface1_0 = { | |
60 &AddRefVar, | |
61 &ReleaseVar, | |
62 &VarFromUtf8_1_0, | |
63 &VarToUtf8 | |
64 }; | |
65 } // namespace | |
66 | |
67 // static | |
68 const PPB_Var* PPB_Var_Impl::GetVarInterface() { | |
69 return &var_interface; | |
70 } | |
71 | |
72 // static | |
73 const PPB_Var_1_0* PPB_Var_Impl::GetVarInterface1_0() { | |
74 return &var_interface1_0; | |
75 } | |
76 | |
77 } // namespace ppapi | |
78 | |
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