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// Copyright 2012 The Chromium Authors
// 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/memory/raw_ptr.h"
#include "base/task/single_thread_task_runner.h"
#include "content/public/browser/url_data_source.h"
class Profile;
class ThemeSource : public content::URLDataSource {
public:
explicit ThemeSource(Profile* profile);
ThemeSource(Profile* profile, bool serve_untrusted);
ThemeSource(const ThemeSource&) = delete;
ThemeSource& operator=(const ThemeSource&) = delete;
~ThemeSource() override;
// content::URLDataSource implementation.
std::string GetSource() override;
void StartDataRequest(
const GURL& url,
const content::WebContents::Getter& wc_getter,
content::URLDataSource::GotDataCallback callback) override;
std::string GetMimeType(const GURL& url) override;
bool AllowCaching() override;
bool ShouldServiceRequest(const GURL& url,
content::BrowserContext* browser_context,
int render_process_id) override;
std::string GetAccessControlAllowOriginForOrigin(
const std::string& origin) override;
std::string GetContentSecurityPolicy(
network::mojom::CSPDirectiveName directive) override;
private:
// Fetches and sends the theme bitmap.
void SendThemeBitmap(content::URLDataSource::GotDataCallback callback,
int resource_id,
float scale);
// Used in place of SendThemeBitmap when the desired scale is larger than
// what the resource bundle supports. This can rescale the provided bitmap up
// to the desired size.
void SendThemeImage(content::URLDataSource::GotDataCallback callback,
int resource_id,
float scale);
// Generates and sends a CSS stylesheet with colors from the |ColorProvider|.
// A 'sets' query parameter must be specified to indicate which colors should
// be in the stylesheet. e.g chrome://theme/colors.css?sets=ui,chrome
void SendColorsCss(const GURL& url,
const content::WebContents::Getter& wc_getter,
content::URLDataSource::GotDataCallback callback);
#if BUILDFLAG(IS_CHROMEOS)
void SendTypographyCss(content::URLDataSource::GotDataCallback callback);
#endif
// The profile this object was initialized with.
raw_ptr<Profile, FlakyDanglingUntriaged> profile_;
// Whether this source services chrome-unstrusted://theme.
bool serve_untrusted_;
};
#endif // CHROME_BROWSER_UI_WEBUI_THEME_SOURCE_H_
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