| // Copyright 2016 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/ntp_tiles_internals_ui.h" |
| |
| #include <memory> |
| |
| #include "base/bind.h" |
| #include "chrome/browser/favicon/favicon_service_factory.h" |
| #include "chrome/browser/history/top_sites_factory.h" |
| #include "chrome/browser/ntp_tiles/chrome_most_visited_sites_factory.h" |
| #include "chrome/browser/profiles/profile.h" |
| #include "chrome/browser/search/suggestions/image_decoder_impl.h" |
| #include "chrome/browser/search/suggestions/suggestions_service_factory.h" |
| #include "chrome/browser/search_engines/template_url_service_factory.h" |
| #include "chrome/common/url_constants.h" |
| #include "components/grit/components_resources.h" |
| #include "components/history/core/browser/top_sites.h" |
| #include "components/image_fetcher/core/image_fetcher_impl.h" |
| #include "components/ntp_tiles/icon_cacher.h" |
| #include "components/ntp_tiles/most_visited_sites.h" |
| #include "components/ntp_tiles/webui/ntp_tiles_internals_message_handler.h" |
| #include "components/ntp_tiles/webui/ntp_tiles_internals_message_handler_client.h" |
| #include "content/public/browser/browser_thread.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" |
| |
| namespace { |
| |
| // The implementation for the chrome://ntp-tiles-internals page. |
| class ChromeNTPTilesInternalsMessageHandlerClient |
| : public content::WebUIMessageHandler, |
| public ntp_tiles::NTPTilesInternalsMessageHandlerClient { |
| public: |
| // |favicon_service| must not be null and must outlive this object. |
| explicit ChromeNTPTilesInternalsMessageHandlerClient( |
| favicon::FaviconService* favicon_service) |
| : handler_(favicon_service) {} |
| |
| private: |
| // content::WebUIMessageHandler: |
| void RegisterMessages() override; |
| |
| // ntp_tiles::NTPTilesInternalsMessageHandlerClient |
| bool SupportsNTPTiles() override; |
| bool DoesSourceExist(ntp_tiles::TileSource source) override; |
| std::unique_ptr<ntp_tiles::MostVisitedSites> MakeMostVisitedSites() override; |
| PrefService* GetPrefs() override; |
| void RegisterMessageCallback( |
| const std::string& message, |
| const base::RepeatingCallback<void(const base::ListValue*)>& callback) |
| override; |
| void CallJavascriptFunctionVector( |
| const std::string& name, |
| const std::vector<const base::Value*>& values) override; |
| |
| ntp_tiles::NTPTilesInternalsMessageHandler handler_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ChromeNTPTilesInternalsMessageHandlerClient); |
| }; |
| |
| void ChromeNTPTilesInternalsMessageHandlerClient::RegisterMessages() { |
| handler_.RegisterMessages(this); |
| } |
| |
| bool ChromeNTPTilesInternalsMessageHandlerClient::SupportsNTPTiles() { |
| Profile* profile = Profile::FromWebUI(web_ui()); |
| return !(profile->IsGuestSession() || profile->IsOffTheRecord()); |
| } |
| |
| bool ChromeNTPTilesInternalsMessageHandlerClient::DoesSourceExist( |
| ntp_tiles::TileSource source) { |
| switch (source) { |
| case ntp_tiles::TileSource::TOP_SITES: |
| case ntp_tiles::TileSource::SUGGESTIONS_SERVICE: |
| case ntp_tiles::TileSource::WHITELIST: |
| case ntp_tiles::TileSource::HOMEPAGE: |
| return true; |
| case ntp_tiles::TileSource::POPULAR_BAKED_IN: |
| case ntp_tiles::TileSource::POPULAR: |
| #if defined(OS_ANDROID) |
| return true; |
| #else |
| return false; |
| #endif |
| } |
| NOTREACHED(); |
| return false; |
| } |
| |
| std::unique_ptr<ntp_tiles::MostVisitedSites> |
| ChromeNTPTilesInternalsMessageHandlerClient::MakeMostVisitedSites() { |
| return ChromeMostVisitedSitesFactory::NewForProfile( |
| Profile::FromWebUI(web_ui())); |
| } |
| |
| PrefService* ChromeNTPTilesInternalsMessageHandlerClient::GetPrefs() { |
| return Profile::FromWebUI(web_ui())->GetPrefs(); |
| } |
| |
| void ChromeNTPTilesInternalsMessageHandlerClient::RegisterMessageCallback( |
| const std::string& message, |
| const base::RepeatingCallback<void(const base::ListValue*)>& callback) { |
| web_ui()->RegisterMessageCallback(message, callback); |
| } |
| |
| void ChromeNTPTilesInternalsMessageHandlerClient::CallJavascriptFunctionVector( |
| const std::string& name, |
| const std::vector<const base::Value*>& values) { |
| web_ui()->CallJavascriptFunctionUnsafe(name, values); |
| } |
| |
| content::WebUIDataSource* CreateNTPTilesInternalsHTMLSource() { |
| content::WebUIDataSource* source = |
| content::WebUIDataSource::Create(chrome::kChromeUINTPTilesInternalsHost); |
| |
| source->AddResourcePath("ntp_tiles_internals.js", IDR_NTP_TILES_INTERNALS_JS); |
| source->AddResourcePath("ntp_tiles_internals.css", |
| IDR_NTP_TILES_INTERNALS_CSS); |
| source->SetDefaultResource(IDR_NTP_TILES_INTERNALS_HTML); |
| source->UseGzip(); |
| return source; |
| } |
| |
| } // namespace |
| |
| NTPTilesInternalsUI::NTPTilesInternalsUI(content::WebUI* web_ui) |
| : WebUIController(web_ui) { |
| Profile* profile = Profile::FromWebUI(web_ui); |
| content::WebUIDataSource::Add(profile, CreateNTPTilesInternalsHTMLSource()); |
| web_ui->AddMessageHandler( |
| std::make_unique<ChromeNTPTilesInternalsMessageHandlerClient>( |
| FaviconServiceFactory::GetForProfile( |
| profile, ServiceAccessType::EXPLICIT_ACCESS))); |
| } |
| |
| NTPTilesInternalsUI::~NTPTilesInternalsUI() {} |