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 "extensions/shell/common/version.h" // Generated file.
12 #include "ui/base/l10n/l10n_util.h"
13 #include "ui/base/resource/resource_bundle.h"
14
15 #if !defined(DISABLE_NACL)
16 #include "base/base_paths.h"
17 #include "base/files/file_path.h"
18 #include "base/path_service.h"
19 #include "components/nacl/common/nacl_constants.h"
20 #include "content/public/common/pepper_plugin_info.h"
21 #include "ppapi/native_client/src/trusted/plugin/ppapi_entrypoints.h"
22 #include "ppapi/shared_impl/ppapi_permissions.h"
23 #endif
24
25 namespace extensions {
26 namespace {
27
28 #if !defined(DISABLE_NACL)
GetNaClPluginPath(base::FilePath * path)29 bool GetNaClPluginPath(base::FilePath* path) {
30 // On Posix, plugins live in the module directory.
31 base::FilePath module;
32 if (!PathService::Get(base::DIR_MODULE, &module))
33 return false;
34 *path = module.Append(nacl::kInternalNaClPluginFileName);
35 return true;
36 }
37 #endif // !defined(DISABLE_NACL)
38
39 } // namespace
40
ShellContentClient()41 ShellContentClient::ShellContentClient() {
42 }
43
~ShellContentClient()44 ShellContentClient::~ShellContentClient() {
45 }
46
AddPepperPlugins(std::vector<content::PepperPluginInfo> * plugins)47 void ShellContentClient::AddPepperPlugins(
48 std::vector<content::PepperPluginInfo>* plugins) {
49 #if !defined(DISABLE_NACL)
50 base::FilePath path;
51 if (!GetNaClPluginPath(&path))
52 return;
53
54 content::PepperPluginInfo nacl;
55 // The nacl plugin is now built into the binary.
56 nacl.is_internal = true;
57 nacl.path = path;
58 nacl.name = nacl::kNaClPluginName;
59 content::WebPluginMimeType nacl_mime_type(nacl::kNaClPluginMimeType,
60 nacl::kNaClPluginExtension,
61 nacl::kNaClPluginDescription);
62 nacl.mime_types.push_back(nacl_mime_type);
63 content::WebPluginMimeType pnacl_mime_type(nacl::kPnaclPluginMimeType,
64 nacl::kPnaclPluginExtension,
65 nacl::kPnaclPluginDescription);
66 nacl.mime_types.push_back(pnacl_mime_type);
67 nacl.internal_entry_points.get_interface = nacl_plugin::PPP_GetInterface;
68 nacl.internal_entry_points.initialize_module =
69 nacl_plugin::PPP_InitializeModule;
70 nacl.internal_entry_points.shutdown_module =
71 nacl_plugin::PPP_ShutdownModule;
72 nacl.permissions = ppapi::PERMISSION_PRIVATE | ppapi::PERMISSION_DEV;
73 plugins->push_back(nacl);
74 #endif // !defined(DISABLE_NACL)
75 }
76
AddAdditionalSchemes(std::vector<std::string> * standard_schemes,std::vector<std::string> * savable_schemes)77 void ShellContentClient::AddAdditionalSchemes(
78 std::vector<std::string>* standard_schemes,
79 std::vector<std::string>* savable_schemes) {
80 standard_schemes->push_back(kExtensionScheme);
81 savable_schemes->push_back(kExtensionScheme);
82 standard_schemes->push_back(kExtensionResourceScheme);
83 savable_schemes->push_back(kExtensionResourceScheme);
84 }
85
GetUserAgent() const86 std::string ShellContentClient::GetUserAgent() const {
87 // Must contain a user agent string for version sniffing. For example,
88 // pluginless WebRTC Hangouts checks the Chrome version number.
89 return content::BuildUserAgentFromProduct("Chrome/" PRODUCT_VERSION);
90 }
91
GetLocalizedString(int message_id) const92 base::string16 ShellContentClient::GetLocalizedString(int message_id) const {
93 return l10n_util::GetStringUTF16(message_id);
94 }
95
GetDataResource(int resource_id,ui::ScaleFactor scale_factor) const96 base::StringPiece ShellContentClient::GetDataResource(
97 int resource_id,
98 ui::ScaleFactor scale_factor) const {
99 return ResourceBundle::GetSharedInstance().GetRawDataResourceForScale(
100 resource_id, scale_factor);
101 }
102
GetDataResourceBytes(int resource_id) const103 base::RefCountedStaticMemory* ShellContentClient::GetDataResourceBytes(
104 int resource_id) const {
105 return ResourceBundle::GetSharedInstance().LoadDataResourceBytes(resource_id);
106 }
107
GetNativeImageNamed(int resource_id) const108 gfx::Image& ShellContentClient::GetNativeImageNamed(int resource_id) const {
109 return ResourceBundle::GetSharedInstance().GetNativeImageNamed(resource_id);
110 }
111
112 } // namespace extensions
113