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1 // Copyright (c) 2011 The Native Client 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 NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_ARRAY_PPAPI_H_ | |
6 #define NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_ARRAY_PPAPI_H_ | |
7 | |
8 #include <vector> | |
9 | |
10 #include "native_client/src/include/checked_cast.h" | |
11 #include "native_client/src/include/nacl_macros.h" | |
12 #include "native_client/src/trusted/plugin/plugin.h" | |
13 #include "ppapi/cpp/dev/scriptable_object_deprecated.h" | |
14 #include "ppapi/cpp/instance.h" | |
15 #include "ppapi/cpp/private/var_private.h" | |
16 | |
17 namespace plugin { | |
18 | |
19 // Wraps a JavaScript array where each element is an indexed property. | |
20 // Can be used to represent single arguments and return values of array type | |
21 // as well as multiple return values from invoking SRPC methods. | |
22 class ArrayPpapi : public pp::deprecated::ScriptableObject { | |
23 public: | |
24 explicit ArrayPpapi(Plugin* instance); | |
25 virtual ~ArrayPpapi() {} | |
26 | |
27 virtual bool HasProperty(const pp::Var& name, pp::Var* exception) { | |
28 return js_array_.HasProperty(name, exception); | |
29 } | |
30 virtual pp::Var GetProperty(const pp::Var& name, pp::Var* exception) { | |
31 return js_array_.GetProperty(name, exception); | |
32 } | |
33 virtual void GetAllPropertyNames(std::vector<pp::Var>* properties, | |
34 pp::Var* exception) { | |
35 js_array_.GetAllPropertyNames(properties, exception); | |
36 } | |
37 virtual void SetProperty(const pp::Var& name, | |
38 const pp::Var& value, pp::Var* exception) { | |
39 js_array_.SetProperty(name, value, exception); | |
40 } | |
41 virtual void RemoveProperty(const pp::Var& name, pp::Var* exception) { | |
42 js_array_.RemoveProperty(name, exception); | |
43 } | |
44 virtual pp::Var Call(const pp::Var& method_name, | |
45 const std::vector<pp::Var>& args, pp::Var* exception) { | |
46 // Assuming the number of arguments will fit into 32 bits. | |
47 uint32_t argc = nacl::assert_cast<uint32_t>(args.size()); | |
48 pp::Var* argv = const_cast<pp::Var*>(&args[0]); // elements are contiguous | |
49 return js_array_.Call(method_name, argc, argv, exception); | |
50 } | |
51 | |
52 private: | |
53 NACL_DISALLOW_COPY_AND_ASSIGN(ArrayPpapi); | |
54 | |
55 pp::VarPrivate js_array_; | |
56 }; | |
57 | |
58 } // namespace plugin | |
59 | |
60 #endif // NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_ARRAY_PPAPI_H_ | |
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