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// Copyright (c) 2011 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_CHROME_WEB_UI_DATA_SOURCE_H_
#define CHROME_BROWSER_UI_WEBUI_CHROME_WEB_UI_DATA_SOURCE_H_
#pragma once
#include <map>
#include <string>
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/message_loop.h"
#include "base/values.h"
#include "chrome/browser/ui/webui/chrome_url_data_manager.h"
// A data source that can help with implementing the common operations
// needed by the chrome WEBUI settings/history/downloads pages.
class ChromeWebUIDataSource : public ChromeURLDataManager::DataSource {
public:
explicit ChromeWebUIDataSource(const std::string& source_name);
ChromeWebUIDataSource(const std::string& source_name, MessageLoop* loop);
// Adds a string and its equivalent to our dictionary.
void AddString(const std::string& name, const string16& value);
// Adds a name and its equivaled localized string to our dictionary.
void AddLocalizedString(const std::string& name, int ids);
// Add strings from |localized_strings| to our dictionary.
void AddLocalizedStrings(const DictionaryValue& localized_strings);
// Accessor for |localized_strings_|.
DictionaryValue* localized_strings() {
return &localized_strings_;
}
// Sets the path which will return the JSON strings.
void set_json_path(const std::string& path) { json_path_ = path; }
// Adds a mapping between a path name and a resource to return.
void add_resource_path(const std::string &path, int resource_id) {
path_to_idr_map_[path] = resource_id;
}
// Sets the resource to returned when no other paths match.
void set_default_resource(int resource_id) {
default_resource_ = resource_id;
}
virtual ~ChromeWebUIDataSource();
protected:
// Completes a request by sending our dictionary of localized strings.
void SendLocalizedStringsAsJSON(int request_id);
// Completes a request by sending the file specified by |idr|.
void SendFromResourceBundle(int request_id, int idr);
// ChromeURLDataManager
virtual std::string GetMimeType(const std::string& path) const OVERRIDE;
virtual void StartDataRequest(const std::string& path,
bool is_incognito,
int request_id) OVERRIDE;
private:
int default_resource_;
std::string json_path_;
std::map<std::string, int> path_to_idr_map_;
DictionaryValue localized_strings_;
DISALLOW_COPY_AND_ASSIGN(ChromeWebUIDataSource);
};
#endif // CHROME_BROWSER_UI_WEBUI_CHROME_WEB_UI_DATA_SOURCE_H_
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