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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 CONTENT_BROWSER_WEBUI_WEB_UI_DATA_SOURCE_H_
#define CONTENT_BROWSER_WEBUI_WEB_UI_DATA_SOURCE_H_
#include <map>
#include <string>
#include "base/basictypes.h"
#include "base/callback.h"
#include "base/compiler_specific.h"
#include "base/values.h"
#include "content/browser/webui/url_data_manager.h"
#include "content/common/content_export.h"
#include "content/public/browser/url_data_source.h"
#include "content/public/browser/web_ui_data_source.h"
namespace content {
class WebUIDataSource;
class WebUIDataSourceTest;
}
// A data source that can help with implementing the common operations
// needed by the chrome WEBUI settings/history/downloads pages.
class CONTENT_EXPORT ChromeWebUIDataSource
: public NON_EXPORTED_BASE(URLDataSourceImpl),
public NON_EXPORTED_BASE(content::WebUIDataSource) {
public:
// content::WebUIDataSource implementation:
virtual void AddString(const std::string& name,
const string16& value) OVERRIDE;
virtual void AddString(const std::string& name,
const std::string& value) OVERRIDE;
virtual void AddLocalizedString(const std::string& name, int ids) OVERRIDE;
virtual void AddLocalizedStrings(
const DictionaryValue& localized_strings) OVERRIDE;
virtual void AddBoolean(const std::string& name, bool value) OVERRIDE;
virtual void SetJsonPath(const std::string& path) OVERRIDE;
virtual void SetUseJsonJSFormatV2() OVERRIDE;
virtual void AddResourcePath(const std::string &path,
int resource_id) OVERRIDE;
virtual void SetDefaultResource(int resource_id) OVERRIDE;
virtual void SetRequestFilter(
const content::WebUIDataSource::HandleRequestCallback& callback) OVERRIDE;
virtual void DisableContentSecurityPolicy() OVERRIDE;
virtual void OverrideContentSecurityPolicyObjectSrc(
const std::string& data) OVERRIDE;
virtual void OverrideContentSecurityPolicyFrameSrc(
const std::string& data) OVERRIDE;
virtual void DisableDenyXFrameOptions() OVERRIDE;
protected:
virtual ~ChromeWebUIDataSource();
// Completes a request by sending our dictionary of localized strings.
void SendLocalizedStringsAsJSON(
const content::URLDataSource::GotDataCallback& callback);
// Completes a request by sending the file specified by |idr|.
void SendFromResourceBundle(
const content::URLDataSource::GotDataCallback& callback, int idr);
private:
class InternalDataSource;
friend class InternalDataSource;
friend class content::WebUIDataSource;
friend class content::WebUIDataSourceTest;
explicit ChromeWebUIDataSource(const std::string& source_name);
// Methods that match content::URLDataSource which are called by
// InternalDataSource.
std::string GetSource();
std::string GetMimeType(const std::string& path) const;
void StartDataRequest(
const std::string& path,
bool is_incognito,
const content::URLDataSource::GotDataCallback& callback);
void disable_set_font_strings_for_testing() {
disable_set_font_strings_ = true;
}
// The name of this source.
// E.g., for favicons, this could be "favicon", which results in paths for
// specific resources like "favicon/34" getting sent to this source.
std::string source_name_;
int default_resource_;
bool json_js_format_v2_;
std::string json_path_;
std::map<std::string, int> path_to_idr_map_;
DictionaryValue localized_strings_;
content::WebUIDataSource::HandleRequestCallback filter_callback_;
bool add_csp_;
bool object_src_set_;
std::string object_src_;
bool frame_src_set_;
std::string frame_src_;
bool deny_xframe_options_;
bool disable_set_font_strings_;
DISALLOW_COPY_AND_ASSIGN(ChromeWebUIDataSource);
};
#endif // CONTENT_BROWSER_WEBUI_WEB_UI_DATA_SOURCE_H_
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