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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_VERSION_VERSION_HANDLER_H_
#define CHROME_BROWSER_UI_WEBUI_VERSION_VERSION_HANDLER_H_
#include <vector>
#include "base/memory/weak_ptr.h"
#include "base/values.h"
#include "content/public/browser/web_ui_message_handler.h"
// Handler class for Version page operations.
class VersionHandler : public content::WebUIMessageHandler {
public:
VersionHandler();
VersionHandler(const VersionHandler&) = delete;
VersionHandler& operator=(const VersionHandler&) = delete;
~VersionHandler() override;
// content::WebUIMessageHandler implementation.
void OnJavascriptDisallowed() override;
void RegisterMessages() override;
// Callback for the "requestVersionInfo" message sent by |chrome.send| in JS.
// This is still supported for platform-specific asynchronous calls (see
// derived classes) but the main version information is now retrieved with
// below messages using |cr.sendWithPromise|.
virtual void HandleRequestVersionInfo(const base::Value::List& args);
// Callback for the "requestVariationInfo" message. This resolves immediately
// with variations list as well as command variations if requested.
virtual void HandleRequestVariationInfo(const base::Value::List& args);
// Callback for the "requestPathInfo" message. This resolves asynchronously
// with |OnGotFilePaths|.
virtual void HandleRequestPathInfo(const base::Value::List& args);
private:
// Callback which handles returning the executable and profile paths to the
// front end.
void OnGotFilePaths(std::string callback_id,
std::u16string* executable_path_data,
std::u16string* profile_path_data);
// Factory for the creating refs in callbacks.
base::WeakPtrFactory<VersionHandler> weak_ptr_factory_{this};
};
#endif // CHROME_BROWSER_UI_WEBUI_VERSION_VERSION_HANDLER_H_
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