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mirror of https://invent.kde.org/network/falkon.git synced 2024-11-11 17:42:10 +01:00
falkonOfficial/src/lib/tools/iconprovider.cpp
David Rosca c1c168aae9 Create every QSqlQuery with correct database for current thread
Queries are now always executed on correct database instance.
Databases are also stored in thread local storage instead of in hash
table with mutex.

Closes #2498
2017-12-18 13:06:42 +01:00

289 lines
8.5 KiB
C++

/* ============================================================
* Falkon - Qt web browser
* Copyright (C) 2010-2017 David Rosca <nowrep@gmail.com>
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
* ============================================================ */
#include "iconprovider.h"
#include "mainapplication.h"
#include "networkmanager.h"
#include "sqldatabase.h"
#include "autosaver.h"
#include "webview.h"
#include "qztools.h"
#include <QTimer>
#include <QBuffer>
#include <QFutureWatcher>
#include <QtConcurrent/QtConcurrentRun>
Q_GLOBAL_STATIC(IconProvider, qz_icon_provider)
static QByteArray encodeUrl(const QUrl &url)
{
return url.toEncoded(QUrl::RemoveFragment | QUrl::StripTrailingSlash);
}
IconProvider::IconProvider()
: QWidget()
{
m_autoSaver = new AutoSaver(this);
connect(m_autoSaver, SIGNAL(save()), this, SLOT(saveIconsToDatabase()));
}
void IconProvider::saveIcon(WebView* view)
{
// Don't save icons in private mode.
if (mApp->isPrivate()) {
return;
}
const QIcon icon = view->icon(true);
if (icon.isNull()) {
return;
}
const QStringList ignoredSchemes = {
QStringLiteral("falkon"),
QStringLiteral("ftp"),
QStringLiteral("file"),
QStringLiteral("view-source"),
QStringLiteral("data"),
QStringLiteral("about")
};
if (ignoredSchemes.contains(view->url().scheme())) {
return;
}
BufferedIcon item;
item.first = view->url();
item.second = icon.pixmap(16).toImage();
if (m_iconBuffer.contains(item)) {
return;
}
m_autoSaver->changeOccurred();
m_iconBuffer.append(item);
}
QIcon IconProvider::bookmarkIcon() const
{
return QIcon::fromTheme(QSL("bookmarks"), m_bookmarkIcon);
}
void IconProvider::setBookmarkIcon(const QIcon &icon)
{
m_bookmarkIcon = icon;
}
QIcon IconProvider::standardIcon(QStyle::StandardPixmap icon)
{
switch (icon) {
case QStyle::SP_MessageBoxCritical:
return QIcon::fromTheme(QSL("dialog-error"), QApplication::style()->standardIcon(icon));
case QStyle::SP_MessageBoxInformation:
return QIcon::fromTheme(QSL("dialog-information"), QApplication::style()->standardIcon(icon));
case QStyle::SP_MessageBoxQuestion:
return QIcon::fromTheme(QSL("dialog-question"), QApplication::style()->standardIcon(icon));
case QStyle::SP_MessageBoxWarning:
return QIcon::fromTheme(QSL("dialog-warning"), QApplication::style()->standardIcon(icon));
case QStyle::SP_DialogCloseButton:
return QIcon::fromTheme(QSL("dialog-close"), QApplication::style()->standardIcon(icon));
case QStyle::SP_BrowserStop:
return QIcon::fromTheme(QSL("process-stop"), QApplication::style()->standardIcon(icon));
case QStyle::SP_BrowserReload:
return QIcon::fromTheme(QSL("view-refresh"), QApplication::style()->standardIcon(icon));
case QStyle::SP_FileDialogToParent:
return QIcon::fromTheme(QSL("go-up"), QApplication::style()->standardIcon(icon));
case QStyle::SP_ArrowUp:
return QIcon::fromTheme(QSL("go-up"), QApplication::style()->standardIcon(icon));
case QStyle::SP_ArrowDown:
return QIcon::fromTheme(QSL("go-down"), QApplication::style()->standardIcon(icon));
case QStyle::SP_ArrowForward:
if (QApplication::layoutDirection() == Qt::RightToLeft) {
return QIcon::fromTheme(QSL("go-previous"), QApplication::style()->standardIcon(icon));
}
return QIcon::fromTheme(QSL("go-next"), QApplication::style()->standardIcon(icon));
case QStyle::SP_ArrowBack:
if (QApplication::layoutDirection() == Qt::RightToLeft) {
return QIcon::fromTheme(QSL("go-next"), QApplication::style()->standardIcon(icon));
}
return QIcon::fromTheme(QSL("go-previous"), QApplication::style()->standardIcon(icon));
default:
return QApplication::style()->standardIcon(icon);
}
}
QIcon IconProvider::newTabIcon()
{
return QIcon::fromTheme(QSL("tab-new"), QIcon(QSL(":/icons/menu/tab-new.svg")));
}
QIcon IconProvider::newWindowIcon()
{
return QIcon::fromTheme(QSL("window-new"), QIcon(QSL(":/icons/menu/window-new.svg")));
}
QIcon IconProvider::privateBrowsingIcon()
{
return QIcon(QSL(":/icons/menu/privatebrowsing.png"));
}
QIcon IconProvider::settingsIcon()
{
return QIcon::fromTheme(QSL("configure"), QIcon(QSL(":/icons/menu/settings.svg")));
}
QIcon IconProvider::emptyWebIcon()
{
return QPixmap::fromImage(instance()->emptyWebImage());
}
QImage IconProvider::emptyWebImage()
{
if (instance()->m_emptyWebImage.isNull()) {
instance()->m_emptyWebImage = QIcon(QSL(":icons/other/webpage.svg")).pixmap(16).toImage();
}
return instance()->m_emptyWebImage;
}
QIcon IconProvider::iconForUrl(const QUrl &url, bool allowNull)
{
return instance()->iconFromImage(imageForUrl(url, allowNull));
}
QImage IconProvider::imageForUrl(const QUrl &url, bool allowNull)
{
if (url.path().isEmpty()) {
return allowNull ? QImage() : IconProvider::emptyWebImage();
}
const QByteArray encodedUrl = encodeUrl(url);
foreach (const BufferedIcon &ic, instance()->m_iconBuffer) {
if (encodeUrl(ic.first) == encodedUrl) {
return ic.second;
}
}
QSqlQuery query(SqlDatabase::instance()->database());
query.prepare(QSL("SELECT icon FROM icons WHERE url GLOB ? LIMIT 1"));
query.addBindValue(QString("%1*").arg(QzTools::escapeSqlGlobString(QString::fromUtf8(encodedUrl))));
query.exec();
if (query.next()) {
return QImage::fromData(query.value(0).toByteArray());
}
return allowNull ? QImage() : IconProvider::emptyWebImage();
}
QIcon IconProvider::iconForDomain(const QUrl &url, bool allowNull)
{
return instance()->iconFromImage(imageForDomain(url, allowNull));
}
QImage IconProvider::imageForDomain(const QUrl &url, bool allowNull)
{
if (url.host().isEmpty()) {
return allowNull ? QImage() : IconProvider::emptyWebImage();
}
foreach (const BufferedIcon &ic, instance()->m_iconBuffer) {
if (ic.first.host() == url.host()) {
return ic.second;
}
}
QSqlQuery query(SqlDatabase::instance()->database());
query.prepare(QSL("SELECT icon FROM icons WHERE url GLOB ? LIMIT 1"));
query.addBindValue(QString("*%1*").arg(QzTools::escapeSqlGlobString(url.host())));
query.exec();
if (query.next()) {
return QImage::fromData(query.value(0).toByteArray());
}
return allowNull ? QImage() : IconProvider::emptyWebImage();
}
IconProvider* IconProvider::instance()
{
return qz_icon_provider();
}
void IconProvider::saveIconsToDatabase()
{
foreach (const BufferedIcon &ic, m_iconBuffer) {
QSqlQuery query(SqlDatabase::instance()->database());
query.prepare("SELECT id FROM icons WHERE url = ?");
query.bindValue(0, ic.first.toEncoded(QUrl::RemoveFragment));
query.exec();
if (query.next()) {
query.prepare("UPDATE icons SET icon = ? WHERE url = ?");
}
else {
query.prepare("INSERT INTO icons (icon, url) VALUES (?,?)");
}
QByteArray ba;
QBuffer buffer(&ba);
buffer.open(QIODevice::WriteOnly);
ic.second.save(&buffer, "PNG");
query.bindValue(0, buffer.data());
query.bindValue(1, QString::fromUtf8(encodeUrl(ic.first)));
SqlDatabase::instance()->execAsync(query);
}
m_iconBuffer.clear();
}
void IconProvider::clearOldIconsInDatabase()
{
// Delete icons for entries older than 6 months
const QDateTime date = QDateTime::currentDateTime().addMonths(-6);
QSqlQuery query(SqlDatabase::instance()->database());
query.prepare(QSL("DELETE FROM icons WHERE url IN (SELECT url FROM history WHERE date < ?)"));
query.addBindValue(date.toMSecsSinceEpoch());
query.exec();
query.clear();
query.prepare(QSL("VACUUM"));
SqlDatabase::instance()->exec(query);
}
QIcon IconProvider::iconFromImage(const QImage &image)
{
return QIcon(QPixmap::fromImage(image));
}