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1 /* | |
2 * Copyright (c) 2011 The Native Client Authors. All rights reserved. | |
3 * Use of this source code is governed by a BSD-style license that can be | |
4 * found in the LICENSE file. | |
5 */ | |
6 | |
7 | |
8 // Interface for browser interaction | |
9 | |
10 #ifndef NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_BROWSER_INTERFACE_H_ | |
11 #define NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_BROWSER_INTERFACE_H_ | |
12 | |
13 #include <stdio.h> | |
14 #include <map> | |
15 | |
16 #include "native_client/src/include/nacl_macros.h" | |
17 #include "native_client/src/include/nacl_string.h" | |
18 #include "native_client/src/include/portability.h" | |
19 #include "ppapi/cpp/instance.h" | |
20 | |
21 namespace pp { | |
22 class InstancePrivate; | |
23 } // namespace | |
24 | |
25 namespace plugin { | |
26 | |
27 // BrowserInterface represents the interface to the browser from the plugin. | |
28 // I.e., when the plugin needs to request an alert, it uses these interfaces. | |
29 class BrowserInterface { | |
30 public: | |
31 BrowserInterface() : next_identifier(0) {} | |
32 ~BrowserInterface() { } | |
33 | |
34 // Functions for communication with the browser. | |
35 | |
36 // Convert a string to an identifier. | |
37 uintptr_t StringToIdentifier(const nacl::string& str); | |
38 // Convert an identifier to a string. | |
39 nacl::string IdentifierToString(uintptr_t ident); | |
40 | |
41 // Write to the JavaScript console. | |
42 void AddToConsole(pp::InstancePrivate* instance, const nacl::string& text); | |
43 | |
44 private: | |
45 NACL_DISALLOW_COPY_AND_ASSIGN(BrowserInterface); | |
46 | |
47 // Map strings used for property and method names to unique ids and back. | |
48 typedef std::map<nacl::string, uintptr_t> StringToIdentifierMap; | |
49 typedef std::map<uintptr_t, nacl::string> IdentifierToStringMap; | |
50 StringToIdentifierMap string_to_identifier_map_; | |
51 IdentifierToStringMap identifier_to_string_map_; | |
52 uintptr_t next_identifier; // will be incremented once used | |
53 }; | |
54 | |
55 } // namespace plugin | |
56 | |
57 #endif // NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_BROWSER_INTERFACE_H_ | |
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