git.iko.soy/unity8
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unity8/plugins/Utils/windowstatestorage.cpp
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1/*
2 * Copyright 2015 Canonical Ltd.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU Lesser General Public License as published by
6 * the Free Software Foundation; version 3.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU Lesser General Public License for more details.
12 *
13 * You should have received a copy of the GNU Lesser General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
17#include "windowstatestorage.h"
19#include <QtConcurrent>
20#include <QDebug>
21#include <QSqlQuery>
22#include <QSqlError>
23#include <QSqlResult>
24#include <QRect>
26QMutex WindowStateStorage::s_mutex;
28WindowStateStorage::WindowStateStorage(QObject *parent):
29 QObject(parent)
31 QString dbPath = QDir::homePath() + "/.cache/unity8/";
32 m_db = QSqlDatabase::addDatabase("QSQLITE");
33 QDir dir;
34 dir.mkpath(dbPath);
35 m_db.setDatabaseName(dbPath + "windowstatestorage.sqlite");
36 initdb();
39void WindowStateStorage::saveGeometry(const QString &windowId, const QRect &rect)
41 QString queryString = QString("INSERT OR REPLACE INTO geometry (windowId, x, y, width, height) values ('%1', '%2', '%3', '%4', '%5');")
42 .arg(windowId)
43 .arg(rect.x())
44 .arg(rect.y())
45 .arg(rect.width())
46 .arg(rect.height());
48 QtConcurrent::run(executeAsyncQuery, queryString);
51void WindowStateStorage::executeAsyncQuery(const QString &queryString)
53 QMutexLocker l(&s_mutex);
54 QSqlQuery query;
56 bool ok = query.exec(queryString);
57 if (!ok) {
58 qWarning() << "Error executing query" << queryString
59 << "Driver error:" << query.lastError().driverText()
60 << "Database error:" << query.lastError().databaseText();
61 }
64QRect WindowStateStorage::getGeometry(const QString &windowId, const QRect &defaultValue)
66 QMutexLocker l(&s_mutex);
67 QString queryString = QString("SELECT * FROM geometry WHERE windowId = '%1';")
68 .arg(windowId);
69 QSqlQuery query;
71 bool ok = query.exec(queryString);
72 if (!ok) {
73 qWarning() << "Error retrieving window state for" << windowId
74 << "Driver error:" << query.lastError().driverText()
75 << "Database error:" << query.lastError().databaseText();
76 return defaultValue;
77 }
78 if (!query.first()) {
79 return defaultValue;
80 }
81 return QRect(query.value("x").toInt(), query.value("y").toInt(), query.value("width").toInt(), query.value("height").toInt());
84void WindowStateStorage::initdb()
86 m_db.open();
87 if (!m_db.open()) {
88 qWarning() << "Error opening state database:" << m_db.lastError().driverText() << m_db.lastError().databaseText();
89 return;
90 }
92 if (!m_db.tables().contains("geometry")) {
93 QSqlQuery query;
94 query.exec("CREATE TABLE geometry(windowId TEXT UNIQUE, x INTEGER, y INTEGER, width INTEGER, height INTEGER);");
95 }