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      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.
      4 
      5 #include "chrome/browser/ui/webui/extensions/extensions_ui.h"
      6 
      7 #include "chrome/browser/profiles/profile.h"
      8 #include "chrome/browser/ui/webui/extensions/command_handler.h"
      9 #include "chrome/browser/ui/webui/extensions/extension_error_handler.h"
     10 #include "chrome/browser/ui/webui/extensions/extension_loader_handler.h"
     11 #include "chrome/browser/ui/webui/extensions/extension_settings_handler.h"
     12 #include "chrome/browser/ui/webui/extensions/install_extension_handler.h"
     13 #include "chrome/browser/ui/webui/extensions/pack_extension_handler.h"
     14 #include "chrome/browser/ui/webui/metrics_handler.h"
     15 #include "chrome/common/url_constants.h"
     16 #include "content/public/browser/web_ui.h"
     17 #include "content/public/browser/web_ui_data_source.h"
     18 #include "grit/browser_resources.h"
     19 #include "grit/theme_resources.h"
     20 #include "ui/base/resource/resource_bundle.h"
     21 
     22 #if defined(OS_CHROMEOS)
     23 #include "chrome/browser/ui/webui/extensions/chromeos/kiosk_apps_handler.h"
     24 #endif
     25 
     26 namespace extensions {
     27 
     28 namespace {
     29 
     30 content::WebUIDataSource* CreateExtensionsHTMLSource() {
     31   content::WebUIDataSource* source =
     32       content::WebUIDataSource::Create(chrome::kChromeUIExtensionsFrameHost);
     33 
     34   source->SetUseJsonJSFormatV2();
     35   source->SetJsonPath("strings.js");
     36   source->AddResourcePath("extensions.js", IDR_EXTENSIONS_JS);
     37   source->AddResourcePath("extension_command_list.js",
     38                           IDR_EXTENSION_COMMAND_LIST_JS);
     39   source->AddResourcePath("extension_list.js", IDR_EXTENSION_LIST_JS);
     40   source->SetDefaultResource(IDR_EXTENSIONS_HTML);
     41   source->DisableDenyXFrameOptions();
     42   return source;
     43 }
     44 
     45 }  // namespace
     46 
     47 ExtensionsUI::ExtensionsUI(content::WebUI* web_ui) : WebUIController(web_ui) {
     48   Profile* profile = Profile::FromWebUI(web_ui);
     49   content::WebUIDataSource* source = CreateExtensionsHTMLSource();
     50 
     51   ExtensionSettingsHandler* handler = new ExtensionSettingsHandler();
     52   handler->GetLocalizedValues(source);
     53   web_ui->AddMessageHandler(handler);
     54 
     55   PackExtensionHandler* pack_handler = new PackExtensionHandler();
     56   pack_handler->GetLocalizedValues(source);
     57   web_ui->AddMessageHandler(pack_handler);
     58 
     59   CommandHandler* commands_handler = new CommandHandler(profile);
     60   commands_handler->GetLocalizedValues(source);
     61   web_ui->AddMessageHandler(commands_handler);
     62 
     63   ExtensionErrorHandler* extension_error_handler =
     64       new ExtensionErrorHandler(profile);
     65   extension_error_handler->GetLocalizedValues(source);
     66   web_ui->AddMessageHandler(extension_error_handler);
     67 
     68   ExtensionLoaderHandler* extension_loader_handler =
     69       new ExtensionLoaderHandler(profile);
     70   extension_loader_handler->GetLocalizedValues(source);
     71   web_ui->AddMessageHandler(extension_loader_handler);
     72 
     73   InstallExtensionHandler* install_extension_handler =
     74       new InstallExtensionHandler();
     75   install_extension_handler->GetLocalizedValues(source);
     76   web_ui->AddMessageHandler(install_extension_handler);
     77 
     78 #if defined(OS_CHROMEOS)
     79   chromeos::KioskAppsHandler* kiosk_app_handler =
     80       new chromeos::KioskAppsHandler();
     81   kiosk_app_handler->GetLocalizedValues(source);
     82   web_ui->AddMessageHandler(kiosk_app_handler);
     83 #endif
     84 
     85   web_ui->AddMessageHandler(new MetricsHandler());
     86 
     87   // Need to allow <object> elements so that the <extensionoptions> browser
     88   // plugin can be loaded within chrome://extensions.
     89   source->OverrideContentSecurityPolicyObjectSrc("object-src 'self';");
     90 
     91   content::WebUIDataSource::Add(profile, source);
     92 }
     93 
     94 ExtensionsUI::~ExtensionsUI() {}
     95 
     96 // static
     97 base::RefCountedMemory* ExtensionsUI::GetFaviconResourceBytes(
     98     ui::ScaleFactor scale_factor) {
     99   ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
    100   return rb.LoadDataResourceBytesForScale(IDR_EXTENSIONS_FAVICON, scale_factor);
    101 }
    102 
    103 }  // namespace extensions
    104