theme_source.cc revision cedac228d2dd51db4b79ea1e72c7f249408ee061
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/theme_source.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/memory/ref_counted_memory.h" 89ab5563a3196760eb381d102cbb2bc0f7abc6a50Ben Murdoch#include "base/message_loop/message_loop.h" 92a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/strings/string_number_conversions.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/profiles/profile.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/resources_util.h" 122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "chrome/browser/search/instant_io_context.h" 132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "chrome/browser/themes/theme_properties.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/themes/theme_service.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/themes/theme_service_factory.h" 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/ui/webui/ntp/ntp_resource_cache.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/ui/webui/ntp/ntp_resource_cache_factory.h" 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/common/url_constants.h" 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/browser_thread.h" 202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "net/url_request/url_request.h" 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/base/layout.h" 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/base/resource/resource_bundle.h" 234e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles)#include "ui/base/webui/web_ui_util.h" 247dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#include "url/gurl.h" 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)using content::BrowserThread; 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)std::string GetThemePath() { 315d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return std::string(content::kChromeUIScheme) + "://" + 325d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) std::string(chrome::kChromeUIThemePath) + "/"; 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// use a resource map rather than hard-coded strings. 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static const char* kNewTabCSSPath = "css/new_tab_theme.css"; 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static const char* kNewIncognitoTabCSSPath = "css/incognito_new_tab_theme.css"; 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// ThemeSource, public: 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ThemeSource::ThemeSource(Profile* profile) 452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : profile_(profile->GetOriginalProfile()) { 463551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) NTPResourceCache::WindowType win_type = NTPResourceCache::GetWindowType( 473551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) profile_, NULL); 483551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) css_bytes_ = 493551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) NTPResourceCacheFactory::GetForProfile(profile)->GetNewTabCSS(win_type); 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ThemeSource::~ThemeSource() { 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)std::string ThemeSource::GetSource() const { 562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return chrome::kChromeUIThemePath; 572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void ThemeSource::StartDataRequest( 602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const std::string& path, 61c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) int render_process_id, 625d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) int render_frame_id, 632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const content::URLDataSource::GotDataCallback& callback) { 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Default scale factor if not specified. 65cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) float scale_factor = 1.0f; 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string uncached_path; 672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) webui::ParsePathAndScale(GURL(GetThemePath() + path), 682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) &uncached_path, 692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) &scale_factor); 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (uncached_path == kNewTabCSSPath || 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uncached_path == kNewIncognitoTabCSSPath) { 73e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch DCHECK_CURRENTLY_ON(BrowserThread::IO); 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) callback.Run(css_bytes_.get()); 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) int resource_id = ResourcesUtil::GetThemeResourceId(uncached_path); 812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (resource_id != -1) { 822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SendThemeBitmap(callback, resource_id, scale_factor); 832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We don't have any data to send back. 872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) callback.Run(NULL); 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)std::string ThemeSource::GetMimeType(const std::string& path) const { 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string uncached_path; 922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) webui::ParsePathAndScale(GURL(GetThemePath() + path), &uncached_path, NULL); 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (uncached_path == kNewTabCSSPath || 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uncached_path == kNewIncognitoTabCSSPath) { 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return "text/css"; 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return "image/png"; 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 102868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)base::MessageLoop* ThemeSource::MessageLoopForRequestPath( 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& path) const { 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string uncached_path; 1052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) webui::ParsePathAndScale(GURL(GetThemePath() + path), &uncached_path, NULL); 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (uncached_path == kNewTabCSSPath || 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uncached_path == kNewIncognitoTabCSSPath) { 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We generated and cached this when we initialized the object. We don't 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // have to go back to the UI thread to send the data. 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If it's not a themeable image, we don't need to go to the UI thread. 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int resource_id = ResourcesUtil::GetThemeResourceId(uncached_path); 1162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!ThemeProperties::IsThemeableImage(resource_id)) 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return content::URLDataSource::MessageLoopForRequestPath(path); 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool ThemeSource::ShouldReplaceExistingSource() const { 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We currently get the css_bytes_ in the ThemeSource constructor, so we need 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // to recreate the source itself when a theme changes. 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool ThemeSource::ShouldServiceRequest(const net::URLRequest* request) const { 1292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (request->url().SchemeIs(chrome::kChromeSearchScheme)) 1302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return InstantIOContext::ShouldServiceRequest(request); 1312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return URLDataSource::ShouldServiceRequest(request); 1322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// ThemeSource, private: 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void ThemeSource::SendThemeBitmap( 1382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const content::URLDataSource::GotDataCallback& callback, 1392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) int resource_id, 140cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) float scale_factor) { 141cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) ui::ScaleFactor resource_scale_factor = 142cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) ui::GetSupportedScaleFactor(scale_factor); 1432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (ThemeProperties::IsThemeableImage(resource_id)) { 144e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch DCHECK_CURRENTLY_ON(BrowserThread::UI); 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ui::ThemeProvider* tp = ThemeServiceFactory::GetForProfile(profile_); 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(tp); 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 148cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) scoped_refptr<base::RefCountedMemory> image_data( 149cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) tp->GetRawData(resource_id, resource_scale_factor)); 150868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) callback.Run(image_data.get()); 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 152e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch DCHECK_CURRENTLY_ON(BrowserThread::IO); 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const ResourceBundle& rb = ResourceBundle::GetSharedInstance(); 154cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) callback.Run( 155cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) rb.LoadDataResourceBytesForScale(resource_id, resource_scale_factor)); 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 158