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// 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_
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