| // 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/ui/webui/components_ui.h" |
| |
| #include <algorithm> |
| #include <string> |
| #include <vector> |
| |
| #include "base/values.h" |
| #include "chrome/browser/browser_process.h" |
| #include "chrome/browser/component_updater/component_updater_service.h" |
| #include "chrome/browser/ui/browser.h" |
| #include "chrome/browser/ui/browser_window.h" |
| #include "chrome/common/chrome_paths.h" |
| #include "chrome/common/url_constants.h" |
| #include "content/public/browser/web_ui.h" |
| #include "content/public/browser/web_ui_data_source.h" |
| #include "content/public/browser/web_ui_message_handler.h" |
| #include "grit/browser_resources.h" |
| #include "grit/generated_resources.h" |
| #include "grit/theme_resources.h" |
| #include "ui/base/l10n/l10n_util.h" |
| #include "ui/base/resource/resource_bundle.h" |
| |
| #if defined(OS_CHROMEOS) |
| #include "chrome/browser/ui/webui/chromeos/ui_account_tweaks.h" |
| #endif |
| |
| using content::WebUIMessageHandler; |
| |
| namespace { |
| |
| content::WebUIDataSource* CreateComponentsUIHTMLSource() { |
| content::WebUIDataSource* source = |
| content::WebUIDataSource::Create(chrome::kChromeUIComponentsHost); |
| source->SetUseJsonJSFormatV2(); |
| |
| source->AddLocalizedString("componentsTitle", IDS_COMPONENTS_TITLE); |
| source->AddLocalizedString("componentsNoneInstalled", |
| IDS_COMPONENTS_NONE_INSTALLED); |
| source->AddLocalizedString("componentVersion", IDS_COMPONENTS_VERSION); |
| source->AddLocalizedString("checkUpdate", IDS_COMPONENTS_CHECK_FOR_UPDATE); |
| source->AddLocalizedString("noComponents", IDS_COMPONENTS_NO_COMPONENTS); |
| |
| source->SetJsonPath("strings.js"); |
| source->AddResourcePath("components.js", IDR_COMPONENTS_JS); |
| source->SetDefaultResource(IDR_COMPONENTS_HTML); |
| #if defined(OS_CHROMEOS) |
| chromeos::AddAccountUITweaksLocalizedValues(source); |
| #endif |
| return source; |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // |
| // ComponentsDOMHandler |
| // |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| // The handler for Javascript messages for the chrome://components/ page. |
| class ComponentsDOMHandler : public WebUIMessageHandler { |
| public: |
| ComponentsDOMHandler(); |
| virtual ~ComponentsDOMHandler() {} |
| |
| // WebUIMessageHandler implementation. |
| virtual void RegisterMessages() OVERRIDE; |
| |
| // Callback for the "requestComponentsData" message. |
| void HandleRequestComponentsData(const ListValue* args); |
| |
| // Callback for the "checkUpdate" message. |
| void HandleCheckUpdate(const ListValue* args); |
| |
| private: |
| void LoadComponents(); |
| |
| content::NotificationRegistrar registrar_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ComponentsDOMHandler); |
| }; |
| |
| ComponentsDOMHandler::ComponentsDOMHandler() { |
| } |
| |
| void ComponentsDOMHandler::RegisterMessages() { |
| web_ui()->RegisterMessageCallback("requestComponentsData", |
| base::Bind(&ComponentsDOMHandler::HandleRequestComponentsData, |
| base::Unretained(this))); |
| |
| web_ui()->RegisterMessageCallback("checkUpdate", |
| base::Bind(&ComponentsDOMHandler::HandleCheckUpdate, |
| base::Unretained(this))); |
| } |
| |
| void ComponentsDOMHandler::HandleRequestComponentsData(const ListValue* args) { |
| LoadComponents(); |
| } |
| |
| // This function is called when user presses button from html UI. |
| // TODO(shrikant): We need to make this button available based on current |
| // state e.g. If component state is currently updating then we need to disable |
| // button. (https://code.google.com/p/chromium/issues/detail?id=272540) |
| void ComponentsDOMHandler::HandleCheckUpdate(const ListValue* args) { |
| if (args->GetSize() != 1) { |
| NOTREACHED(); |
| return; |
| } |
| |
| std::string component_id; |
| if (!args->GetString(0, &component_id)) { |
| NOTREACHED(); |
| return; |
| } |
| |
| ComponentsUI::OnDemandUpdate(component_id); |
| } |
| |
| void ComponentsDOMHandler::LoadComponents() { |
| ComponentUpdateService* cus = g_browser_process->component_updater(); |
| std::vector<CrxComponentInfo> components; |
| cus->GetComponents(&components); |
| |
| // Construct DictionaryValues to return to UI. |
| ListValue* component_list = new ListValue(); |
| for (size_t j = 0; j < components.size(); ++j) { |
| const CrxComponentInfo& component = components[j]; |
| |
| DictionaryValue* component_entry = new DictionaryValue(); |
| component_entry->SetString("id", component.id); |
| component_entry->SetString("name", component.name); |
| component_entry->SetString("version", component.version); |
| |
| component_list->Append(component_entry); |
| } |
| |
| DictionaryValue results; |
| results.Set("components", component_list); |
| web_ui()->CallJavascriptFunction("returnComponentsData", results); |
| } |
| |
| } // namespace |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // |
| // ComponentsUI |
| // |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| ComponentsUI::ComponentsUI(content::WebUI* web_ui) : WebUIController(web_ui) { |
| web_ui->AddMessageHandler(new ComponentsDOMHandler()); |
| |
| // Set up the chrome://components/ source. |
| Profile* profile = Profile::FromWebUI(web_ui); |
| content::WebUIDataSource::Add(profile, CreateComponentsUIHTMLSource()); |
| } |
| |
| // static |
| void ComponentsUI::OnDemandUpdate(const std::string& component_id) { |
| ComponentUpdateService* cus = g_browser_process->component_updater(); |
| cus->OnDemandUpdate(component_id); |
| } |
| |
| // static |
| base::RefCountedMemory* ComponentsUI::GetFaviconResourceBytes( |
| ui::ScaleFactor scale_factor) { |
| return ResourceBundle::GetSharedInstance(). |
| LoadDataResourceBytesForScale(IDR_PLUGINS_FAVICON, scale_factor); |
| } |