shell_content_client.cc revision 03b57e008b61dfcb1fbad3aea950ae0e001748b0 
1// Copyright 2014 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 "extensions/shell/common/shell_content_client.h"
6
7#include "base/strings/string_piece.h"
8#include "base/strings/utf_string_conversions.h"
9#include "content/public/common/user_agent.h"
10#include "extensions/common/constants.h"
11#include "ui/base/l10n/l10n_util.h"
12#include "ui/base/resource/resource_bundle.h"
13
14#if !defined(DISABLE_NACL)
15#include "base/base_paths.h"
16#include "base/files/file_path.h"
17#include "base/path_service.h"
18#include "components/nacl/common/nacl_constants.h"
19#include "content/public/common/pepper_plugin_info.h"
20#include "ppapi/native_client/src/trusted/plugin/ppapi_entrypoints.h"
21#include "ppapi/shared_impl/ppapi_permissions.h"
22#endif
23
24namespace extensions {
25namespace {
26
27#if !defined(DISABLE_NACL)
28bool GetNaClPluginPath(base::FilePath* path) {
29  // On Posix, plugins live in the module directory.
30  base::FilePath module;
31  if (!PathService::Get(base::DIR_MODULE, &module))
32    return false;
33  *path = module.Append(nacl::kInternalNaClPluginFileName);
34  return true;
35}
36#endif  // !defined(DISABLE_NACL)
37
38}  // namespace
39
40ShellContentClient::ShellContentClient() {
41}
42
43ShellContentClient::~ShellContentClient() {
44}
45
46void ShellContentClient::AddPepperPlugins(
47    std::vector<content::PepperPluginInfo>* plugins) {
48#if !defined(DISABLE_NACL)
49  base::FilePath path;
50  if (!GetNaClPluginPath(&path))
51    return;
52
53  content::PepperPluginInfo nacl;
54  // The nacl plugin is now built into the binary.
55  nacl.is_internal = true;
56  nacl.path = path;
57  nacl.name = nacl::kNaClPluginName;
58  content::WebPluginMimeType nacl_mime_type(nacl::kNaClPluginMimeType,
59                                            nacl::kNaClPluginExtension,
60                                            nacl::kNaClPluginDescription);
61  nacl.mime_types.push_back(nacl_mime_type);
62  content::WebPluginMimeType pnacl_mime_type(nacl::kPnaclPluginMimeType,
63                                             nacl::kPnaclPluginExtension,
64                                             nacl::kPnaclPluginDescription);
65  nacl.mime_types.push_back(pnacl_mime_type);
66  nacl.internal_entry_points.get_interface = nacl_plugin::PPP_GetInterface;
67  nacl.internal_entry_points.initialize_module =
68      nacl_plugin::PPP_InitializeModule;
69  nacl.internal_entry_points.shutdown_module =
70      nacl_plugin::PPP_ShutdownModule;
71  nacl.permissions = ppapi::PERMISSION_PRIVATE | ppapi::PERMISSION_DEV;
72  plugins->push_back(nacl);
73#endif  // !defined(DISABLE_NACL)
74}
75
76void ShellContentClient::AddAdditionalSchemes(
77    std::vector<std::string>* standard_schemes,
78    std::vector<std::string>* savable_schemes) {
79  standard_schemes->push_back(kExtensionScheme);
80  savable_schemes->push_back(kExtensionScheme);
81  standard_schemes->push_back(kExtensionResourceScheme);
82  savable_schemes->push_back(kExtensionResourceScheme);
83}
84
85std::string ShellContentClient::GetUserAgent() const {
86  // TODO(derat): Figure out what this should be for app_shell and determine
87  // whether we need to include a version number to placate browser sniffing.
88  return content::BuildUserAgentFromProduct("Chrome");
89}
90
91base::string16 ShellContentClient::GetLocalizedString(int message_id) const {
92  return l10n_util::GetStringUTF16(message_id);
93}
94
95base::StringPiece ShellContentClient::GetDataResource(
96    int resource_id,
97    ui::ScaleFactor scale_factor) const {
98  return ResourceBundle::GetSharedInstance().GetRawDataResourceForScale(
99      resource_id, scale_factor);
100}
101
102base::RefCountedStaticMemory* ShellContentClient::GetDataResourceBytes(
103    int resource_id) const {
104  return ResourceBundle::GetSharedInstance().LoadDataResourceBytes(resource_id);
105}
106
107gfx::Image& ShellContentClient::GetNativeImageNamed(int resource_id) const {
108  return ResourceBundle::GetSharedInstance().GetNativeImageNamed(resource_id);
109}
110
111}  // namespace extensions
112