/* Copyright 2013-2019 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include "MojangAccount.h"
#include <QObject>
#include <QVariant>
#include <QAbstractListModel>
#include <QSharedPointer>
#include "multimc_logic_export.h"
/*!
* \brief List of available Mojang accounts.
* This should be loaded in the background by MultiMC on startup.
*
* This class also inherits from QAbstractListModel. Methods from that
* class determine how this list shows up in a list view. Said methods
* all have a default implementation, but they can be overridden by subclasses to
* change the behavior of the list.
*/
class MULTIMC_LOGIC_EXPORT MojangAccountList : public QAbstractListModel
{
Q_OBJECT
public:
enum ModelRoles
{
PointerRole = 0x34B1CB48
};
enum VListColumns
{
// TODO: Add icon column.
// First column - Active?
ActiveColumn = 0,
// Second column - Name
NameColumn,
};
explicit MojangAccountList(QObject *parent = 0);
//! Gets the account at the given index.
virtual const MojangAccountPtr at(int i) const;
//! Returns the number of accounts in the list.
virtual int count() const;
//////// List Model Functions ////////
virtual QVariant data(const QModelIndex &index, int role) const;
virtual QVariant headerData(int section, Qt::Orientation orientation, int role) const;
virtual int rowCount(const QModelIndex &parent) const;
virtual int columnCount(const QModelIndex &parent) const;
virtual Qt::ItemFlags flags(const QModelIndex &index) const;
virtual bool setData(const QModelIndex &index, const QVariant &value, int role);
/*!
* Adds a the given Mojang account to the account list.
*/
virtual void addAccount(const MojangAccountPtr account);
/*!
* Removes the mojang account with the given username from the account list.
*/
virtual void removeAccount(const QString &username);
/*!
* Removes the account at the given QModelIndex.
*/
virtual void removeAccount(QModelIndex index);
/*!
* \brief Finds an account by its username.
* \param The username of the account to find.
* \return A const pointer to the account with the given username. NULL if
* one doesn't exist.
*/
virtual MojangAccountPtr findAccount(const QString &username) const;
/*!
* Sets the default path to save the list file to.
* If autosave is true, this list will automatically save to the given path whenever it changes.
* THIS FUNCTION DOES NOT LOAD THE LIST. If you set autosave, be sure to call loadList() immediately
* after calling this function to ensure an autosaved change doesn't overwrite the list you intended
* to load.
*/
virtual void setListFilePath(QString path, bool autosave = false);
/*!
* \brief Loads the account list from the given file path.
* If the given file is an empty string (default), will load from the default account list file.
* \return True if successful, otherwise false.
*/
virtual bool loadList(const QString &file = "");
/*!
* \brief Saves the account list to the given file.
* If the given file is an empty string (default), will save from the default account list file.
* \return True if successful, otherwise false.
*/
virtual bool saveList(const QString &file = "");
/*!
* \brief Gets a pointer to the account that the user has selected as their "active" account.
* Which account is active can be overridden on a per-instance basis, but this will return the one that
* is set as active globally.
* \return The currently active MojangAccount. If there isn't an active account, returns a null pointer.
*/
virtual MojangAccountPtr activeAccount() const;
/*!
* Sets the given account as the current active account.
* If the username given is an empty string, sets the active account to nothing.
*/
virtual void setActiveAccount(const QString &username);
/*!
* Returns true if any of the account is at least Validated
*/
bool anyAccountIsValid();
signals:
/*!
* Signal emitted to indicate that the account list has changed.
* This will also fire if the value of an element in the list changes (will be implemented
* later).
*/
void listChanged();
/*!
* Signal emitted to indicate that the active account has changed.
*/
void activeAccountChanged();
public
slots:
/**
* This is called when one of the accounts changes and the list needs to be updated
*/
void accountChanged();
protected:
/*!
* Called whenever the list changes.
* This emits the listChanged() signal and autosaves the list (if autosave is enabled).
*/
void onListChanged();
/*!
* Called whenever the active account changes.
* Emits the activeAccountChanged() signal and autosaves the list if enabled.
*/
void onActiveChanged();
QList<MojangAccountPtr> m_accounts;
/*!
* Account that is currently active.
*/
MojangAccountPtr m_activeAccount;
//! Path to the account list file. Empty string if there isn't one.
QString m_listFilePath;
/*!
* If true, the account list will automatically save to the account list path when it changes.
* Ignored if m_listFilePath is blank.
*/
bool m_autosave = false;
protected
slots:
/*!
* Updates this list with the given list of accounts.
* This is done by copying each account in the given list and inserting it
* into this one.
* We need to do this so that we can set the parents of the accounts are set to this
* account list. This can't be done in the load task, because the accounts the load
* task creates are on the load task's thread and Qt won't allow their parents
* to be set to something created on another thread.
* To get around that problem, we invoke this method on the GUI thread, which
* then copies the accounts and sets their parents correctly.
* \param accounts List of accounts whose parents should be set.
*/
virtual void updateListData(QList<MojangAccountPtr> versions);
};