| // Copyright (c) 2012 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. |
| |
| #ifndef CHROME_BROWSER_UI_WEBUI_THEME_SOURCE_H_ |
| #define CHROME_BROWSER_UI_WEBUI_THEME_SOURCE_H_ |
| |
| #include <string> |
| |
| #include "base/compiler_specific.h" |
| #include "base/memory/ref_counted.h" |
| #include "content/public/browser/url_data_source.h" |
| |
| class Profile; |
| |
| namespace base { |
| class RefCountedMemory; |
| } |
| |
| class ThemeSource : public content::URLDataSource { |
| public: |
| explicit ThemeSource(Profile* profile); |
| ~ThemeSource() override; |
| |
| // content::URLDataSource implementation. |
| std::string GetSource() const override; |
| void StartDataRequest( |
| const std::string& path, |
| int render_process_id, |
| int render_frame_id, |
| const content::URLDataSource::GotDataCallback& callback) override; |
| std::string GetMimeType(const std::string& path) const override; |
| base::MessageLoop* MessageLoopForRequestPath( |
| const std::string& path) const override; |
| bool ShouldReplaceExistingSource() const override; |
| bool ShouldServiceRequest(const net::URLRequest* request) const override; |
| |
| private: |
| // Fetch and send the theme bitmap. |
| void SendThemeBitmap(const content::URLDataSource::GotDataCallback& callback, |
| int resource_id, |
| float scale_factor); |
| |
| // Similar to SendThemeBitmap but treat the responded data as image; if the |
| // resource bundle does not contain the data for |scale_factor|, the resource |
| // bundle falls back to the data of a lower scale, which means smaller images |
| // will be served and webui handles the image incorrectly. |
| // See crbug.com/442384. |
| void SendThemeImage(const content::URLDataSource::GotDataCallback& callback, |
| int resource_id, |
| float scale_factor); |
| |
| // The original profile (never an OTR profile). |
| Profile* profile_; |
| |
| // We grab the CSS early so we don't have to go back to the UI thread later. |
| scoped_refptr<base::RefCountedMemory> css_bytes_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ThemeSource); |
| }; |
| |
| #endif // CHROME_BROWSER_UI_WEBUI_THEME_SOURCE_H_ |