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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+ */
16+
17+#include "windowstatestorage.h"
18+
19+#include <QtConcurrent>
20+#include <QDebug>
21+#include <QSqlQuery>
22+#include <QSqlError>
23+#include <QSqlResult>
24+#include <QRect>
25+
26+QMutex WindowStateStorage::s_mutex;
27+
28+WindowStateStorage::WindowStateStorage(QObject *parent):
29+ QObject(parent)
30+{
31+ m_db = QSqlDatabase::addDatabase("QSQLITE");
32+ m_db.setDatabaseName(QDir::homePath() + "/.cache/unity8/windowstatestorage.sqlite");
33+ initdb();
34+}
35+
36+void WindowStateStorage::saveGeometry(const QString &windowId, const QRect &rect)
37+{
38+ QString queryString = QString("INSERT OR REPLACE INTO geometry (windowId, x, y, width, height) values ('%1', '%2', '%3', '%4', '%5');")
39+ .arg(windowId)
40+ .arg(rect.x())
41+ .arg(rect.y())
42+ .arg(rect.width())
43+ .arg(rect.height());
44+
45+ QtConcurrent::run(executeAsyncQuery, queryString);
46+}
47+
48+void WindowStateStorage::executeAsyncQuery(const QString &queryString)
49+{
50+ QMutexLocker l(&s_mutex);
51+ QSqlQuery query;
52+
53+ bool ok = query.exec(queryString);
54+ if (!ok) {
55+ qWarning() << "Error saving window state."
56+ << "Driver error:" << query.lastError().driverText()
57+ << "Database error:" << query.lastError().databaseText();
58+ }
59+}
60+
61+QRect WindowStateStorage::getGeometry(const QString &windowId, const QRect &defaultValue)
62+{
63+ QMutexLocker l(&s_mutex);
64+ QString queryString = QString("SELECT * FROM geometry WHERE windowId = '%1';")
65+ .arg(windowId);
66+ QSqlQuery query;
67+
68+ bool ok = query.exec(queryString);
69+ if (!ok) {
70+ qWarning() << "Error retrieving window state for" << windowId
71+ << "Driver error:" << query.lastError().driverText()
72+ << "Database error:" << query.lastError().databaseText();
73+ return defaultValue;
74+ }
75+ if (!query.first()) {
76+ return defaultValue;
77+ }
78+ return QRect(query.value("x").toInt(), query.value("y").toInt(), query.value("width").toInt(), query.value("height").toInt());
79+}
80+
81+void WindowStateStorage::initdb()
82+{
83+ m_db.open();
84+ if (!m_db.open()) {
85+ qWarning() << "Error opening state database:" << m_db.lastError().driverText() << m_db.lastError().databaseText();
86+ return;
87+ }
88+
89+ if (!m_db.tables().contains("windowproperties")) {
90+ QSqlQuery query;
91+ query.exec("CREATE TABLE IF NOT EXISTS geometry(windowId TEXT UNIQUE, x INTEGER, y INTEGER, width INTEGER, height INTEGER);");
92+ }
93+}