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// Copyright 2013 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_SEARCH_MOST_VISITED_IFRAME_SOURCE_H_
#define CHROME_BROWSER_SEARCH_MOST_VISITED_IFRAME_SOURCE_H_
#include "build/build_config.h"
#include "content/public/browser/url_data_source.h"
#if BUILDFLAG(IS_ANDROID)
#error "Instant is only used on desktop";
#endif
// Serves HTML for displaying suggestions for 3P remote NTPs using iframes
// of chrome-search://most-visited/title.html.
class MostVisitedIframeSource : public content::URLDataSource {
public:
MostVisitedIframeSource();
MostVisitedIframeSource(const MostVisitedIframeSource&) = delete;
MostVisitedIframeSource& operator=(const MostVisitedIframeSource&) = delete;
~MostVisitedIframeSource() override;
// content::URLDataSource:
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 ShouldServeMimeTypeAsContentTypeHeader() override;
bool AllowCaching() override;
bool ShouldDenyXFrameOptions() override;
bool ShouldServiceRequest(const GURL& url,
content::BrowserContext* browser_context,
int render_process_id) override;
protected:
// Returns whether this source should serve data for a particular path.
virtual bool ServesPath(const std::string& path) const;
// Sends unmodified resource bytes.
void SendResource(int resource_id,
content::URLDataSource::GotDataCallback callback);
// Sends Javascript with an expected postMessage origin interpolated.
void SendJSWithOrigin(int resource_id,
const content::WebContents::Getter& wc_getter,
content::URLDataSource::GotDataCallback callback);
// This is exposed for testing and should not be overridden.
// Sets |origin| to the URL of the WebContents identified by |wc_getter|.
// Returns true if successful and false if not, for example if the WebContents
// does not exist
virtual bool GetOrigin(const content::WebContents::Getter& wc_getter,
std::string* origin) const;
};
#endif // CHROME_BROWSER_SEARCH_MOST_VISITED_IFRAME_SOURCE_H_
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