Move extension_messages.h to extensions/common.
[chromium-blink-merge.git] / chrome / renderer / extensions / i18n_custom_bindings.cc
blobcbedf4d7023996f204985b6dd304b383106a4b59
1 // Copyright (c) 2012 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.
5 #include "chrome/renderer/extensions/i18n_custom_bindings.h"
7 #include "base/bind.h"
8 #include "chrome/common/extensions/message_bundle.h"
9 #include "content/public/renderer/render_thread.h"
10 #include "content/public/renderer/render_view.h"
11 #include "extensions/common/extension_messages.h"
12 #include "grit/renderer_resources.h"
13 #include "v8/include/v8.h"
15 namespace extensions {
17 I18NCustomBindings::I18NCustomBindings(Dispatcher* dispatcher,
18 ChromeV8Context* context)
19 : ChromeV8Extension(dispatcher, context) {
20 RouteFunction("GetL10nMessage",
21 base::Bind(&I18NCustomBindings::GetL10nMessage, base::Unretained(this)));
22 RouteFunction("GetL10nUILanguage",
23 base::Bind(&I18NCustomBindings::GetL10nUILanguage,
24 base::Unretained(this)));
27 void I18NCustomBindings::GetL10nMessage(
28 const v8::FunctionCallbackInfo<v8::Value>& args) {
29 if (args.Length() != 3 || !args[0]->IsString()) {
30 NOTREACHED() << "Bad arguments";
31 return;
34 std::string extension_id;
35 if (args[2]->IsNull() || !args[2]->IsString()) {
36 return;
37 } else {
38 extension_id = *v8::String::Utf8Value(args[2]->ToString());
39 if (extension_id.empty())
40 return;
43 L10nMessagesMap* l10n_messages = GetL10nMessagesMap(extension_id);
44 if (!l10n_messages) {
45 // Get the current RenderView so that we can send a routed IPC message
46 // from the correct source.
47 content::RenderView* renderview = GetRenderView();
48 if (!renderview)
49 return;
51 L10nMessagesMap messages;
52 // A sync call to load message catalogs for current extension.
53 renderview->Send(new ExtensionHostMsg_GetMessageBundle(
54 extension_id, &messages));
56 // Save messages we got.
57 ExtensionToL10nMessagesMap& l10n_messages_map =
58 *GetExtensionToL10nMessagesMap();
59 l10n_messages_map[extension_id] = messages;
61 l10n_messages = GetL10nMessagesMap(extension_id);
64 std::string message_name = *v8::String::Utf8Value(args[0]);
65 std::string message =
66 MessageBundle::GetL10nMessage(message_name, *l10n_messages);
68 v8::Isolate* isolate = args.GetIsolate();
69 std::vector<std::string> substitutions;
70 if (args[1]->IsArray()) {
71 // chrome.i18n.getMessage("message_name", ["more", "params"]);
72 v8::Local<v8::Array> placeholders = v8::Local<v8::Array>::Cast(args[1]);
73 uint32_t count = placeholders->Length();
74 if (count > 9)
75 return;
76 for (uint32_t i = 0; i < count; ++i) {
77 substitutions.push_back(
78 *v8::String::Utf8Value(
79 placeholders->Get(v8::Integer::New(isolate, i))->ToString()));
81 } else if (args[1]->IsString()) {
82 // chrome.i18n.getMessage("message_name", "one param");
83 substitutions.push_back(*v8::String::Utf8Value(args[1]->ToString()));
86 args.GetReturnValue().Set(
87 v8::String::NewFromUtf8(isolate, ReplaceStringPlaceholders(
88 message, substitutions, NULL).c_str()));
91 void I18NCustomBindings::GetL10nUILanguage(
92 const v8::FunctionCallbackInfo<v8::Value>& args) {
93 args.GetReturnValue().Set(v8::String::NewFromUtf8(
94 args.GetIsolate(), content::RenderThread::Get()->GetLocale().c_str()));
97 } // namespace extensions