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89 lines
2.8 KiB
89 lines
2.8 KiB
/*
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This file is part of cpp-ethereum.
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cpp-ethereum is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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cpp-ethereum is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file AppContext.h
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* @author Yann yann@ethdev.com
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* @date 2014
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* Provides access to the current QQmlApplicationEngine which is used to add QML file on the fly.
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* In the future this class can be extended to add more variable related to the context of the application.
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* For now AppContext provides reference to:
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* - QQmlApplicationEngine
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* - dev::WebThreeDirect (and dev::eth::Client)
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* - KeyEventManager
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*/
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#pragma once
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#include <memory>
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#include <QQmlApplicationEngine>
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#include <libsolidity/CompilerStack.h>
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#include <libwebthree/WebThree.h>
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#include "KeyEventManager.h"
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namespace dev
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{
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class WebThreeDirect;
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namespace solidity
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{
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class CompilerStack;
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}
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}
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namespace dev
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{
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namespace mix
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{
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/**
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* @brief Provides access to application scope variable.
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*/
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class AppContext: public QObject
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{
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Q_OBJECT
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public:
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AppContext(QQmlApplicationEngine* _engine);
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/// Get the current QQmlApplicationEngine instance.
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static AppContext* getInstance() { return Instance; }
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/// Renew QQMLApplicationEngine with a new instance.
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static void setApplicationContext(QQmlApplicationEngine* _engine);
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/// Get the current QQMLApplicationEngine instance.
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QQmlApplicationEngine* appEngine();
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/// Initialize KeyEventManager (used to handle key pressed event).
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void initKeyEventManager(QObject* _obj);
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/// Get the current KeyEventManager instance.
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KeyEventManager* getKeyEventManager();
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/// Get the current Compiler instance (used to parse and compile contract code).
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dev::solidity::CompilerStack* compiler();
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/// Display an alert message.
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void displayMessageDialog(QString _title, QString _message);
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private:
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static AppContext* Instance;
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std::unique_ptr<QQmlApplicationEngine> m_applicationEngine;
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std::unique_ptr<dev::WebThreeDirect> m_webThree;
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std::unique_ptr<KeyEventManager> m_keyEventManager;
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std::unique_ptr<solidity::CompilerStack> m_compiler;
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public slots:
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/// Delete the current instance when application quit.
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void quitApplication() { delete Instance; }
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/// Initialize components after the loading of the main QML view.
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void resourceLoaded(QObject* _obj, QUrl _url) { Q_UNUSED(_url); initKeyEventManager(_obj); }
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};
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}
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}
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