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1 /* | |
2 * Copyright 2008 The Native Client Authors. All rights reserved. | |
3 * Use of this source code is governed by a BSD-style license that can | |
4 * be found in the LICENSE file. | |
5 */ | |
6 | |
7 | |
8 // The browser scriptable container class. The methods on this class | |
9 // are defined in the specific API directories. | |
10 | |
11 #ifndef NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_SRPC_SCRIPTABLE_HANDLE_H_ | |
12 #define NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_SRPC_SCRIPTABLE_HANDLE_H_ | |
13 | |
14 #include "native_client/src/trusted/plugin/srpc/scriptable_handle.h" | |
15 | |
16 #include <stdio.h> | |
17 #include <string.h> | |
18 | |
19 #include <set> | |
20 | |
21 #include "native_client/src/include/checked_cast.h" | |
22 #include "native_client/src/include/nacl_macros.h" | |
23 #include "native_client/src/include/portability.h" | |
24 #include "native_client/src/trusted/plugin/srpc/utility.h" | |
25 | |
26 namespace plugin { | |
27 | |
28 // Forward declarations for externals. | |
29 class PortableHandle; | |
30 | |
31 // ScriptableHandle encapsulates objects that are scriptable from the browser. | |
32 class ScriptableHandle { | |
33 public: | |
34 // Check that a pointer is to a validly created ScriptableHandle. | |
35 static bool is_valid(const ScriptableHandle* handle); | |
36 | |
37 // Get the contained object. | |
38 PortableHandle* handle() const { return handle_; } | |
39 // Set the contained object. | |
40 void set_handle(PortableHandle* handle) { handle_ = handle; } | |
41 | |
42 // Add a browser reference to this object. | |
43 virtual ScriptableHandle* AddRef() = 0; | |
44 // Remove a browser reference to this object. | |
45 virtual void Unref() = 0; | |
46 | |
47 protected: | |
48 explicit ScriptableHandle(PortableHandle* handle); | |
49 virtual ~ScriptableHandle(); | |
50 | |
51 private: | |
52 NACL_DISALLOW_COPY_AND_ASSIGN(ScriptableHandle); | |
53 PortableHandle* handle_; | |
54 }; | |
55 | |
56 } // namespace plugin | |
57 | |
58 #endif // NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_SRPC_SCRIPTABLE_HANDLE_H_ | |
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