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 #ifndef CHROME_BROWSER_UI_WEBUI_THEME_SOURCE_H_ 6 #define CHROME_BROWSER_UI_WEBUI_THEME_SOURCE_H_ 7 8 #include <string> 9 10 #include "base/compiler_specific.h" 11 #include "base/memory/ref_counted.h" 12 #include "content/public/browser/url_data_source.h" 13 #include "ui/base/layout.h" 14 15 class Profile; 16 17 namespace base { 18 class RefCountedMemory; 19 } 20 21 class ThemeSource : public content::URLDataSource { 22 public: 23 explicit ThemeSource(Profile* profile); 24 virtual ~ThemeSource(); 25 26 // content::URLDataSource implementation. 27 virtual std::string GetSource() const OVERRIDE; 28 virtual void StartDataRequest( 29 const std::string& path, 30 int render_process_id, 31 int render_view_id, 32 const content::URLDataSource::GotDataCallback& callback) OVERRIDE; 33 virtual std::string GetMimeType(const std::string& path) const OVERRIDE; 34 virtual base::MessageLoop* MessageLoopForRequestPath( 35 const std::string& path) const OVERRIDE; 36 virtual bool ShouldReplaceExistingSource() const OVERRIDE; 37 virtual bool ShouldServiceRequest( 38 const net::URLRequest* request) const OVERRIDE; 39 40 private: 41 // Fetch and send the theme bitmap. 42 void SendThemeBitmap( 43 const content::URLDataSource::GotDataCallback& callback, 44 int resource_id, 45 ui::ScaleFactor scale_factor); 46 47 // The original profile (never an OTR profile). 48 Profile* profile_; 49 50 // We grab the CSS early so we don't have to go back to the UI thread later. 51 scoped_refptr<base::RefCountedMemory> css_bytes_; 52 53 DISALLOW_COPY_AND_ASSIGN(ThemeSource); 54 }; 55 56 #endif // CHROME_BROWSER_UI_WEBUI_THEME_SOURCE_H_ 57