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// Copyright 2017 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_CONFLICTS_CONFLICTS_HANDLER_H_
#define CHROME_BROWSER_UI_WEBUI_CONFLICTS_CONFLICTS_HANDLER_H_
#include <string>
#include "base/memory/weak_ptr.h"
#include "base/values.h"
#include "chrome/browser/ui/webui/conflicts/conflicts_data_fetcher.h"
#include "content/public/browser/web_ui_message_handler.h"
// This class takes care of sending the list of all loaded modules to the
// chrome://conflicts WebUI page when it is requested.
class ConflictsHandler : public content::WebUIMessageHandler {
public:
ConflictsHandler();
ConflictsHandler(const ConflictsHandler&) = delete;
ConflictsHandler& operator=(const ConflictsHandler&) = delete;
~ConflictsHandler() override;
private:
// content::WebUIMessageHandler:
void RegisterMessages() override;
// Callback for the "requestModuleList" message.
void HandleRequestModuleList(const base::Value::List& args);
void OnConflictsDataFetched(base::Value::Dict results);
// The ID of the callback that will get invoked with the module list.
std::string module_list_callback_id_;
// Responsible for fetching the list of modules from the ModuleDatabase, which
// lives on a different sequence.
ConflictsDataFetcher::UniquePtr conflicts_data_fetcher_;
base::WeakPtrFactory<ConflictsHandler> weak_ptr_factory_{this};
};
#endif // CHROME_BROWSER_UI_WEBUI_CONFLICTS_CONFLICTS_HANDLER_H_
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