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/*
This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
cpp-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file MainFace.h
* @author Gav Wood <i@gavwood.com>
* @date 2014
*/
#pragma once
#include <memory>
#include <map>
#include <string>
#include <functional>
#include <QtWidgets/QMainWindow>
#include <QtWidgets/QAction>
#include <QtWidgets/QDockWidget>
#include <libevm/ExtVMFace.h>
#include "Context.h"
class QSettings;
namespace dev
{
class WebThreeDirect;
namespace eth { class Client; class LogFilter; }
namespace shh { class WhisperHost; }
namespace az
{
#define DEV_AZ_NOTE_PLUGIN(ClassName) \
static bool s_notePlugin = [](){ MainFace::notePlugin([](MainFace* m){ return new ClassName(m); }); return true; }()
class Plugin;
using WatchHandler = std::function<void(dev::eth::LocalisedLogEntries const&)>;
class AccountNamer
{
public:
virtual std::string toName(Address const&) const { return std::string(); }
virtual Address toAddress(std::string const&) const { return Address(); }
virtual Addresses knownAddresses() const { return Addresses(); }
};
class MainFace: public QMainWindow, public Context
{
Q_OBJECT
public:
explicit MainFace(QWidget* _parent = nullptr): QMainWindow(_parent) {}
static void notePlugin(std::function<Plugin*(MainFace*)> const& _new);
void adoptPlugin(Plugin* _p);
void killPlugins();
void allChange();
using Context::render;
// TODO: tidy - all should be references that throw if module unavailable.
// TODO: provide a set of available web3 modules.
virtual dev::WebThreeDirect* web3() const = 0;
virtual dev::eth::Client* ethereum() const = 0;
virtual std::shared_ptr<dev::shh::WhisperHost> whisper() const = 0;
virtual unsigned installWatch(dev::eth::LogFilter const& _tf, WatchHandler const& _f) = 0;
virtual unsigned installWatch(dev::h256 const& _tf, WatchHandler const& _f) = 0;
// Account naming API
virtual void install(AccountNamer* _adopt) = 0;
virtual void uninstall(AccountNamer* _kill) = 0;
virtual void noteAddressesChanged() = 0;
virtual Address toAddress(std::string const&) const = 0;
virtual std::string toName(Address const&) const = 0;
virtual Addresses allKnownAddresses() const = 0;
virtual void noteSettingsChanged() = 0;
protected:
template <class F> void forEach(F const& _f) { for (auto const& p: m_plugins) _f(p.second); }
std::shared_ptr<Plugin> takePlugin(std::string const& _name) { auto it = m_plugins.find(_name); std::shared_ptr<Plugin> ret; if (it != m_plugins.end()) { ret = it->second; m_plugins.erase(it); } return ret; }
static std::vector<std::function<Plugin*(MainFace*)>>* s_linkedPlugins;
signals:
void allKnownAddressesChanged();
void keyManagerChanged();
private:
std::unordered_map<std::string, std::shared_ptr<Plugin>> m_plugins;
};
class Plugin
{
public:
Plugin(MainFace* _f, std::string const& _name);
virtual ~Plugin() {}
std::string const& name() const { return m_name; }
dev::WebThreeDirect* web3() const { return m_main->web3(); }
dev::eth::Client* ethereum() const { return m_main->ethereum(); }
std::shared_ptr<dev::shh::WhisperHost> whisper() const { return m_main->whisper(); }
MainFace* main() const { return m_main; }
QDockWidget* dock(Qt::DockWidgetArea _area = Qt::RightDockWidgetArea, QString _title = QString());
void addToDock(Qt::DockWidgetArea _area, QDockWidget* _dockwidget, Qt::Orientation _orientation);
void addAction(QAction* _a);
QAction* addMenuItem(QString _name, QString _menuName, bool _separate = false);
virtual void onAllChange() {}
virtual void readSettings(QSettings const&) {}
virtual void writeSettings(QSettings&) {}
private:
MainFace* m_main = nullptr;
std::string m_name;
QDockWidget* m_dock = nullptr;
};
class AccountNamerPlugin: public Plugin, public AccountNamer
{
protected:
AccountNamerPlugin(MainFace* _m, std::string const& _name): Plugin(_m, _name) { main()->install(this); }
~AccountNamerPlugin() { main()->uninstall(this); }
};
}
}