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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 // Portable interface for browser interaction | |
9 | |
10 #ifndef NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_SRPC_BROWSER_INTERFACE_H_ | |
11 #define NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_SRPC_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 "native_client/src/shared/npruntime/nacl_npapi.h" | |
20 #include "native_client/src/trusted/plugin/api_defines.h" | |
21 | |
22 namespace nacl { | |
23 | |
24 class NPModule; | |
25 | |
26 } // namespace | |
27 | |
28 namespace plugin { | |
29 | |
30 class ScriptableHandle; | |
31 class PortableHandle; | |
32 | |
33 // BrowserInterface represents the interface to the browser from | |
34 // the plugin, independent of whether it is the ActiveX or NPAPI instance. | |
35 // I.e., when the plugin needs to request an alert, it uses these interfaces. | |
36 class BrowserInterface { | |
37 public: | |
38 virtual ~BrowserInterface() { } | |
39 | |
40 // Functions for communication with the browser. | |
41 | |
42 // Convert a string to an identifier. | |
43 virtual uintptr_t StringToIdentifier(const nacl::string& str) = 0; | |
44 // Convert an identifier to a string. | |
45 virtual nacl::string IdentifierToString(uintptr_t ident) = 0; | |
46 | |
47 // Pops up an alert box. Returns false if that failed for any reason. | |
48 virtual bool Alert(InstanceIdentifier instance_id, | |
49 const nacl::string& text) = 0; | |
50 | |
51 // Evaluate a JavaScript string in the browser. | |
52 virtual bool EvalString(InstanceIdentifier plugin_identifier, | |
53 const nacl::string& str) = 0; | |
54 | |
55 // Gets the origin of the current page. Origin is scheme://domain. | |
56 virtual bool GetOrigin(InstanceIdentifier instance_id, | |
57 nacl::string* origin) = 0; | |
58 | |
59 // Creates a browser scriptable handle for a given portable handle. | |
60 // If handle is NULL, returns NULL. | |
61 virtual ScriptableHandle* NewScriptableHandle(PortableHandle* handle) = 0; | |
62 | |
63 // Filename-based version of the function below that takes a char* and size. | |
64 static bool MightBeElfExecutable(const nacl::string& filename, | |
65 nacl::string* error); | |
66 | |
67 // Returns true iff the first |size| bytes of |e_ident_bytes| appear to be | |
68 // a valid ELF file; returns an informative error message otherwise. | |
69 // The check for valid ELF executable is only done looking at the e_ident | |
70 // bytes. Fuller checking is done by the service_runtime. | |
71 static bool MightBeElfExecutable(const char* e_ident_bytes, | |
72 size_t size, | |
73 nacl::string* error); | |
74 | |
75 static const char* kNoError; | |
76 }; | |
77 | |
78 } // namespace plugin | |
79 | |
80 #endif // NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_SRPC_BROWSER_INTERFACE_H_ | |
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