uber_ui.cc revision 7d4cd473f85ac64c3747c96c277f9e506a0d2246
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/ui/webui/uber/uber_ui.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/stl_util.h" 8868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/strings/utf_string_conversions.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/extensions/extension_service.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/profiles/profile.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/ui/webui/extensions/extensions_ui.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/ui/webui/options/options_ui.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/common/chrome_notification_types.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/common/extensions/extension_set.h" 162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "chrome/common/extensions/manifest_url_handler.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/common/url_constants.h" 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/navigation_controller.h" 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/navigation_entry.h" 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/notification_source.h" 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/web_contents.h" 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/web_ui.h" 232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "content/public/browser/web_ui_data_source.h" 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "grit/browser_resources.h" 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "grit/chromium_strings.h" 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "grit/generated_resources.h" 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)using content::NavigationController; 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)using content::NavigationEntry; 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)using content::RenderViewHost; 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)using content::WebContents; 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)content::WebUIDataSource* CreateUberHTMLSource() { 362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) content::WebUIDataSource* source = 372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) content::WebUIDataSource::Create(chrome::kChromeUIUberHost); 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) source->SetUseJsonJSFormatV2(); 402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) source->SetJsonPath("strings.js"); 412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) source->AddResourcePath("uber.js", IDR_UBER_JS); 422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) source->AddResourcePath("uber_utils.js", IDR_UBER_UTILS_JS); 432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) source->SetDefaultResource(IDR_UBER_HTML); 442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) source->OverrideContentSecurityPolicyFrameSrc("frame-src chrome:;"); 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Hack alert: continue showing "Loading..." until a real title is set. 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) source->AddLocalizedString("pageTitle", IDS_TAB_LOADING_TITLE); 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) source->AddString("extensionsFrameURL", 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASCIIToUTF16(chrome::kChromeUIExtensionsFrameURL)); 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) source->AddString("extensionsHost", 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASCIIToUTF16(chrome::kChromeUIExtensionsHost)); 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) source->AddString("helpFrameURL", 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASCIIToUTF16(chrome::kChromeUIHelpFrameURL)); 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) source->AddString("helpHost", 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASCIIToUTF16(chrome::kChromeUIHelpHost)); 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) source->AddString("historyFrameURL", 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASCIIToUTF16(chrome::kChromeUIHistoryFrameURL)); 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) source->AddString("historyHost", 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASCIIToUTF16(chrome::kChromeUIHistoryHost)); 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) source->AddString("settingsFrameURL", 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASCIIToUTF16(chrome::kChromeUISettingsFrameURL)); 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) source->AddString("settingsHost", 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASCIIToUTF16(chrome::kChromeUISettingsHost)); 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return source; 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Determines whether the user has an active extension of the given type. 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool HasExtensionType(Profile* profile, const char* extensionType) { 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const ExtensionSet* extensionSet = 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) profile->GetExtensionService()->extensions(); 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (ExtensionSet::const_iterator iter = extensionSet->begin(); 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) iter != extensionSet->end(); ++iter) { 762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) extensions::URLOverrides::URLOverrideMap map = 777d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) extensions::URLOverrides::GetChromeURLOverrides(iter->get()); 782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) extensions::URLOverrides::URLOverrideMap::const_iterator result = 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) map.find(std::string(extensionType)); 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (result != map.end()) 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)content::WebUIDataSource* CreateUberFrameHTMLSource(Profile* profile) { 892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) content::WebUIDataSource* source = 902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) content::WebUIDataSource::Create(chrome::kChromeUIUberFrameHost); 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) source->SetUseJsonJSFormatV2(); 932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) source->SetJsonPath("strings.js"); 942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) source->AddResourcePath("uber_frame.js", IDR_UBER_FRAME_JS); 952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) source->SetDefaultResource(IDR_UBER_FRAME_HTML); 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(jhawkins): Attempt to get rid of IDS_SHORT_PRODUCT_OS_NAME. 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_CHROMEOS) 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) source->AddLocalizedString("shortProductName", IDS_SHORT_PRODUCT_OS_NAME); 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#else 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) source->AddLocalizedString("shortProductName", IDS_SHORT_PRODUCT_NAME); 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // defined(OS_CHROMEOS) 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) source->AddString("extensionsHost", 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASCIIToUTF16(chrome::kChromeUIExtensionsHost)); 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) source->AddLocalizedString("extensionsDisplayName", 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IDS_MANAGE_EXTENSIONS_SETTING_WINDOWS_TITLE); 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) source->AddString("helpHost", 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASCIIToUTF16(chrome::kChromeUIHelpHost)); 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) source->AddLocalizedString("helpDisplayName", IDS_HELP_TITLE); 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) source->AddString("historyHost", 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASCIIToUTF16(chrome::kChromeUIHistoryHost)); 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) source->AddLocalizedString("historyDisplayName", IDS_HISTORY_TITLE); 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) source->AddString("settingsHost", 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASCIIToUTF16(chrome::kChromeUISettingsHost)); 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) source->AddLocalizedString("settingsDisplayName", IDS_SETTINGS_TITLE); 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool overridesHistory = HasExtensionType(profile, 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) chrome::kChromeUIHistoryHost); 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) source->AddString("overridesHistory", 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASCIIToUTF16(overridesHistory ? "yes" : "no")); 1212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) source->DisableDenyXFrameOptions(); 1222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) source->OverrideContentSecurityPolicyFrameSrc("frame-src chrome:;"); 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return source; 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)UberUI::UberUI(content::WebUI* web_ui) : WebUIController(web_ui) { 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Profile* profile = Profile::FromWebUI(web_ui); 1312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) content::WebUIDataSource::Add(profile, CreateUberHTMLSource()); 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RegisterSubpage(chrome::kChromeUIExtensionsFrameURL); 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RegisterSubpage(chrome::kChromeUIHelpFrameURL); 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RegisterSubpage(chrome::kChromeUIHistoryFrameURL); 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RegisterSubpage(chrome::kChromeUISettingsFrameURL); 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RegisterSubpage(chrome::kChromeUIUberFrameURL); 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)UberUI::~UberUI() { 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) STLDeleteValues(&sub_uis_); 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void UberUI::RegisterSubpage(const std::string& page_url) { 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) content::WebUI* webui = 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) web_ui()->GetWebContents()->CreateWebUI(GURL(page_url)); 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) webui->SetFrameXPath("//iframe[starts-with(@src,'" + page_url + "')]"); 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sub_uis_[page_url] = webui; 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void UberUI::RenderViewCreated(RenderViewHost* render_view_host) { 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (SubpageMap::iterator iter = sub_uis_.begin(); iter != sub_uis_.end(); 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ++iter) { 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) iter->second->GetController()->RenderViewCreated(render_view_host); 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void UberUI::RenderViewReused(RenderViewHost* render_view_host) { 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (SubpageMap::iterator iter = sub_uis_.begin(); iter != sub_uis_.end(); 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ++iter) { 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) iter->second->GetController()->RenderViewReused(render_view_host); 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool UberUI::OverrideHandleWebUIMessage(const GURL& source_url, 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& message, 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const ListValue& args) { 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Find the appropriate subpage and forward the message. 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SubpageMap::iterator subpage = sub_uis_.find(source_url.GetOrigin().spec()); 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (subpage == sub_uis_.end()) { 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The message was sent from the uber page itself. 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK_EQ(std::string(chrome::kChromeUIUberHost), source_url.host()); 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The message was sent from a subpage. 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(jam) fix this to use interface 1795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // return subpage->second->GetController()->OverrideHandleWebUIMessage( 1805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // source_url, message, args); 1815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) subpage->second->ProcessWebUIMessage(source_url, message, args); 1825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// UberFrameUI 1865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)UberFrameUI::UberFrameUI(content::WebUI* web_ui) : WebUIController(web_ui) { 1885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Profile* profile = Profile::FromWebUI(web_ui); 1892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) content::WebUIDataSource::Add(profile, CreateUberFrameHTMLSource(profile)); 1905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Register as an observer for when extensions are loaded and unloaded. 1925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_LOADED, 1935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) content::Source<Profile>(profile)); 1945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNLOADED, 1955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) content::Source<Profile>(profile)); 1965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)UberFrameUI::~UberFrameUI() { 1995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void UberFrameUI::Observe(int type, const content::NotificationSource& source, 2025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const content::NotificationDetails& details) { 2035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (type) { 2045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We listen for notifications that indicate an extension has been loaded 2055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // (i.e., has been installed and/or enabled) or unloaded (i.e., has been 2065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // uninstalled and/or disabled). If one of these events has occurred, then 2075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // we must update the behavior of the History navigation element so that 2085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // it opens the history extension if one is installed and enabled or 2095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // opens the default history page if one is uninstalled or disabled. 2105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case chrome::NOTIFICATION_EXTENSION_LOADED: 2115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case chrome::NOTIFICATION_EXTENSION_UNLOADED: { 2125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Profile* profile = Profile::FromWebUI(web_ui()); 2135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool overridesHistory = HasExtensionType(profile, 2145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) chrome::kChromeUIHistoryHost); 2155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<Value> controlsValue( 2165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Value::CreateStringValue(chrome::kChromeUIHistoryHost)); 2175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<Value> overrideValue( 2185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Value::CreateStringValue(overridesHistory ? "yes" : "no")); 2195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) web_ui()->CallJavascriptFunction( 2205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "uber_frame.setNavigationOverride", *controlsValue, *overrideValue); 2215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 2225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default: 2245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 2255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 227