| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome/browser/chromeos/base/locale_util.h" |
| |
| #include <vector> |
| |
| #include "chrome/browser/browser_process.h" |
| #include "chrome/browser/chromeos/input_method/input_method_util.h" |
| #include "chromeos/ime/input_method_manager.h" |
| #include "content/public/browser/browser_thread.h" |
| #include "ui/base/resource/resource_bundle.h" |
| #include "ui/gfx/platform_font_pango.h" |
| |
| namespace chromeos { |
| |
| namespace { |
| |
| struct SwitchLanguageData { |
| SwitchLanguageData(const std::string& locale, |
| const bool enable_locale_keyboard_layouts, |
| const bool login_layouts_only, |
| scoped_ptr<locale_util::SwitchLanguageCallback> callback) |
| : callback(callback.Pass()), |
| locale(locale), |
| enable_locale_keyboard_layouts(enable_locale_keyboard_layouts), |
| login_layouts_only(login_layouts_only), |
| success(false) {} |
| |
| scoped_ptr<locale_util::SwitchLanguageCallback> callback; |
| |
| const std::string locale; |
| const bool enable_locale_keyboard_layouts; |
| const bool login_layouts_only; |
| std::string loaded_locale; |
| bool success; |
| }; |
| |
| // Runs on SequencedWorkerPool thread under PostTaskAndReply(). |
| // So data is owned by "Reply" part of PostTaskAndReply() process. |
| void SwitchLanguageDoReloadLocale(SwitchLanguageData* data) { |
| DCHECK(!content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)); |
| |
| data->loaded_locale = |
| ResourceBundle::GetSharedInstance().ReloadLocaleResources(data->locale); |
| |
| data->success = !data->loaded_locale.empty(); |
| |
| ResourceBundle::GetSharedInstance().ReloadFonts(); |
| } |
| |
| // Callback after SwitchLanguageDoReloadLocale() back in UI thread. |
| void FinishSwitchLanguage(scoped_ptr<SwitchLanguageData> data) { |
| DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)); |
| if (data->success) { |
| g_browser_process->SetApplicationLocale(data->loaded_locale); |
| |
| if (data->enable_locale_keyboard_layouts) { |
| input_method::InputMethodManager* manager = |
| input_method::InputMethodManager::Get(); |
| if (data->login_layouts_only) { |
| // Enable the hardware keyboard layouts and locale-specific layouts |
| // suitable for use on the login screen. This will also switch to the |
| // first hardware keyboard layout since the input method currently in |
| // use may not be supported by the new locale. |
| manager->EnableLoginLayouts( |
| data->loaded_locale, |
| manager->GetInputMethodUtil()->GetHardwareLoginInputMethodIds()); |
| } else { |
| // Enable all hardware keyboard layouts. This will also switch to the |
| // first hardware keyboard layout. |
| manager->ReplaceEnabledInputMethods( |
| manager->GetInputMethodUtil()->GetHardwareInputMethodIds()); |
| |
| // Enable all locale-specific layouts. |
| std::vector<std::string> input_methods; |
| manager->GetInputMethodUtil()->GetInputMethodIdsFromLanguageCode( |
| data->loaded_locale, |
| input_method::kKeyboardLayoutsOnly, |
| &input_methods); |
| for (std::vector<std::string>::const_iterator it = |
| input_methods.begin(); it != input_methods.end(); ++it) { |
| manager->EnableInputMethod(*it); |
| } |
| } |
| } |
| } |
| gfx::PlatformFontPango::ReloadDefaultFont(); |
| if (data->callback) |
| data->callback->Run(data->locale, data->loaded_locale, data->success); |
| } |
| |
| } // namespace |
| |
| namespace locale_util { |
| |
| void SwitchLanguage(const std::string& locale, |
| const bool enable_locale_keyboard_layouts, |
| const bool login_layouts_only, |
| scoped_ptr<SwitchLanguageCallback> callback) { |
| DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)); |
| scoped_ptr<SwitchLanguageData> data( |
| new SwitchLanguageData(locale, |
| enable_locale_keyboard_layouts, |
| login_layouts_only, |
| callback.Pass())); |
| base::Closure reloader( |
| base::Bind(&SwitchLanguageDoReloadLocale, base::Unretained(data.get()))); |
| content::BrowserThread::PostBlockingPoolTaskAndReply( |
| FROM_HERE, |
| reloader, |
| base::Bind(&FinishSwitchLanguage, base::Passed(data.Pass()))); |
| } |
| |
| } // namespace locale_util |
| } // namespace chromeos |