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Diffstat (limited to 'src/previewimage.cpp')
| -rw-r--r-- | src/previewimage.cpp | 430 |
1 files changed, 0 insertions, 430 deletions
diff --git a/src/previewimage.cpp b/src/previewimage.cpp deleted file mode 100644 index 9c8bb194..00000000 --- a/src/previewimage.cpp +++ /dev/null @@ -1,430 +0,0 @@ -/* ============================================================ -* -* This file is a part of the rekonq project -* -* Copyright (C) 2009 by Andrea Diamantini <adjam7 at gmail dot 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 2 of -* the License or (at your option) version 3 or any later version -* accepted by the membership of KDE e.V. (or its successor approved -* by the membership of KDE e.V.), which shall act as a proxy -* defined in Section 14 of version 3 of the license. -* -* 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/>. -* -* ============================================================ */ - - -// Self Includes -#include "previewimage.h" -#include "previewimage.moc" - -// Local Includes -#include "historymanager.h" -#include "rekonq.h" -#include "mainwindow.h" -#include "mainview.h" - -// KDE Includes -#include <KUrl> -#include <KStandardDirs> -#include <KDebug> -#include <KMenu> -#include <KAction> -#include <KLocale> - -// Qt Includes -#include <QFile> -#include <QMovie> -#include <QMouseEvent> -#include <QHBoxLayout> -#include <QVBoxLayout> -#include <QPainter> - - -PreviewImage::PreviewImage(const QUrl &url, const QString &title, int index, bool isFavorite) - : QWidget() - , ws(0) - , loadingSnapshot(false) - , m_url(url) - , m_title(title) - , m_isFavorite(isFavorite) - , m_index(index) - , m_button(0) - , m_imageLabel(new QLabel) - , m_textLabel(new QLabel) - , m_backgroundLabel(new QLabel) - , m_previewLabel(new QLabel) -{ - - int borderTop = 14; - int borderRight = 16; - int borderBottom = 14; - int borderLeft = 16; - - int previewWidth = 200; - int previewHeight = 150; - - int urlHeight = 18; - - m_size = QSize(borderLeft+previewWidth+borderRight, borderTop+previewHeight+borderBottom+urlHeight); - - setFixedSize(m_size); - m_previewLabel->setFixedSize(m_size); - - m_backgroundLabel->setPixmap(renderBackground(previewWidth,previewHeight, borderTop, borderBottom, borderLeft, borderRight)); - - m_previewLabel->setAlignment(Qt::AlignCenter); - m_backgroundLabel->setAlignment(Qt::AlignCenter); - m_imageLabel->setAlignment(Qt::AlignCenter); - m_textLabel->setAlignment(Qt::AlignCenter); - - m_previewLabel->setLayout(new QVBoxLayout); - m_previewLabel->layout()->setMargin(0); - m_previewLabel->layout()->addWidget(m_backgroundLabel); - m_previewLabel->layout()->addWidget(m_textLabel); - m_previewLabel->setCursor(Qt::PointingHandCursor); - - m_backgroundLabel->setLayout(new QVBoxLayout); - m_backgroundLabel->layout()->addWidget(m_imageLabel); - - setLayout(new QHBoxLayout); - layout()->setMargin(0); - layout()->setAlignment(Qt::AlignCenter); - layout()->addWidget(m_previewLabel); - - connect(this, SIGNAL(loadUrl(const KUrl &, const Rekonq::OpenType &)), - Application::instance(), SLOT(loadUrl(const KUrl &, const Rekonq::OpenType &))); - - loadUrlPreview(url); -} - - -PreviewImage::~PreviewImage() -{ - delete ws; - delete m_textLabel; - delete m_imageLabel; - delete m_backgroundLabel; - delete m_previewLabel; -} - - -QPixmap PreviewImage::renderBackground(int w, int h, int t, int b, int l, int r) -{ - QImage backImage(KStandardDirs::locate("appdata", "pics/bg.png")); - QImage resultImage(QSize(w + l + r, h + t + b), QImage::Format_ARGB32_Premultiplied); - - if (!backImage.isNull()) - { - int sw = backImage.width() - l - r; - int sh = backImage.height() - t - b; - QPainter pt(&resultImage); - pt.setCompositionMode(QPainter::CompositionMode_Source); - pt.fillRect(resultImage.rect(), Qt::transparent); - pt.drawImage(QRect(0, 0, l, t), backImage, QRect(0, 0, l, t)); - pt.drawImage(QRect(l, 0, w, t), backImage, QRect(l, 0, sw, t)); - pt.drawImage(QRect(l + w, 0, r, t), backImage, QRect(l + sw, 0, r, t)); - pt.drawImage(QRect(0, t, l, h), backImage, QRect(0, t, l, sh)); - pt.drawImage(QRect(l, t, w, h), backImage, QRect(l, t, sw, sh)); - pt.drawImage(QRect(l + w, t, r, h), backImage, QRect(l + sw, t, r, sh)); - pt.drawImage(QRect(0, t + h, l , b), backImage, QRect(0, t + sh, l , b)); - pt.drawImage(QRect(l, t + h, w, b), backImage, QRect(l, t + sh, sw, b)); - pt.drawImage(QRect(l + w, t + h, w, b), backImage, QRect(l + sw, t + sh, sw, b)); - pt.end(); - } - - return QPixmap::fromImage(resultImage); -} - - -void PreviewImage::loadUrlPreview(const QUrl& url) -{ - m_url = url; - - if(url.isEmpty()) - { - showEmptyPreview(); - return; - } - - m_previewLabel->setFixedSize(m_size); //unhide - - m_savePath = KStandardDirs::locateLocal("cache", QString("thumbs/") + guessNameFromUrl(m_url) + ".png", true); - - if(QFile::exists(m_savePath)) - { - m_pixmap.load(m_savePath); - m_imageLabel->setPixmap(m_pixmap); - checkTitle(); - m_textLabel->setText(m_title); - } - else - { - loadingSnapshot = true; - ws = new WebSnap( url ); - connect(ws, SIGNAL(finished()), this, SLOT(snapFinished())); - - QString path = KStandardDirs::locate("appdata", "pics/busywidget.gif"); - - // load an animation waiting for site preview - QMovie *movie = new QMovie(path, QByteArray(), this); - movie->setSpeed(50); - m_imageLabel->setMovie(movie); - movie->start(); - m_textLabel->setText( i18n("Loading preview...") ); - setCursor(Qt::BusyCursor); - } -} - - -void PreviewImage::snapFinished() -{ - loadingSnapshot = false; - QMovie *m = m_imageLabel->movie(); - delete m; - m_imageLabel->setMovie(0); - - m_pixmap = ws->previewImage(); - m_imageLabel->setPixmap(m_pixmap); - checkTitle(); - m_textLabel->setText(m_title); - - setCursor(Qt::PointingHandCursor); - - m_pixmap.save(m_savePath); - - if(m_index > -1) - { - // Update title - QStringList names = ReKonfig::previewNames(); - // update url (for added thumbs) - QStringList urls = ReKonfig::previewUrls(); - - // stripTrailingSlash to be sure to get the same string for same address - urls.replace(m_index, ws->snapUrl().toString(QUrl::StripTrailingSlash)); - names.replace(m_index, ws->snapTitle()); - - ReKonfig::setPreviewNames(names); - ReKonfig::setPreviewUrls(urls); - - ReKonfig::self()->writeConfig(); - } -} - - -void PreviewImage::showEmptyPreview() -{ - if(!m_isFavorite) - return; - - m_imageLabel->clear(); - m_textLabel->clear(); - - m_previewLabel->setFixedSize(0,0); //hide - - - m_button = new QToolButton(); - m_button->setDefaultAction(historyMenu()); - m_button->setPopupMode(QToolButton::InstantPopup); - m_button->setToolButtonStyle(Qt::ToolButtonTextUnderIcon); - m_button->setText(i18n("Add Preview")); - m_button->setAutoRaise(true); - m_button->setIconSize(QSize(48, 48)); - layout()->addWidget(m_button); -} - - -void PreviewImage::mouseDoubleClickEvent(QMouseEvent *event) -{ - kDebug() << "no double click over here, thanks :D"; - Q_UNUSED(event); -} - - -void PreviewImage::mouseMoveEvent(QMouseEvent *event) -{ - kDebug() << "moving mouse over preview image"; - Q_UNUSED(event) -} - - -void PreviewImage::mousePressEvent(QMouseEvent *event) -{ - if(event->button() == Qt::LeftButton) - { - emit loadUrl(m_url, Rekonq::CurrentTab); - return; - } - else if(event->button() == Qt::MidButton) - { - emit loadUrl(m_url, Rekonq::SettingOpenTab); - return; - } - - QWidget::mousePressEvent(event); -} - - -void PreviewImage::mouseReleaseEvent(QMouseEvent *event) -{ - kDebug() << "NO000... don't leave your finger from the button!!"; - Q_UNUSED(event) -} - - -void PreviewImage::contextMenuEvent(QContextMenuEvent* event) -{ - if(!m_isFavorite) - return; - - if(loadingSnapshot) - return; - - KMenu menu(this); - KAction *a; - - if(!m_url.isEmpty()) - { - a = new KAction(KIcon("edit-delete"), i18n("Remove Thumbnail"), this); - connect(a, SIGNAL(triggered(bool)), this, SLOT(removeMe())); - menu.addAction(a); - - a = new KAction(KIcon("view-refresh"), i18n("Refresh Thumbnail"), &menu); - connect(a, SIGNAL(triggered(bool)), this, SLOT(refreshPreview())); - menu.addAction(a); - } - menu.addAction(historyMenu()); - - menu.exec(mapToGlobal(event->pos())); -} - - -KActionMenu* PreviewImage::historyMenu() -{ - KActionMenu *histMenu = new KActionMenu(KIcon("insert-image"), i18n("Set Page to Preview"), this); - QList<HistoryItem> history = Application::historyManager()->history(); - - if(history.isEmpty()) - { - KAction *a = new KAction(i18n("History is Empty"), this); - a->setEnabled(false); - histMenu->addAction(a); - return histMenu; - } - - int maxItems = 15; - for (int i = 0; i < maxItems && i < history.size() ; ++i) - { - HistoryItem it = history.at(i); - KAction *a = new KAction(Application::icon(it.url), it.title, this); - QStringList urlData; - urlData << it.url << it.title; - a->setData(urlData); - connect(a, SIGNAL(triggered(bool)), this, SLOT(setUrlFromAction())); - histMenu->addAction(a); - } - - return histMenu; -} - - -void PreviewImage::removeMe() -{ - QStringList names = ReKonfig::previewNames(); - QStringList urls = ReKonfig::previewUrls(); - - int index = urls.indexOf(QRegExp(m_url.toString(QUrl::StripTrailingSlash), Qt::CaseSensitive, QRegExp::FixedString)); - - urls.replace(index, QString("")); - names.replace(index, QString("")); - - ReKonfig::setPreviewNames(names); - ReKonfig::setPreviewUrls(urls); - - // sync file data - ReKonfig::self()->writeConfig(); - - showEmptyPreview(); - - m_url = ""; -} - - -void PreviewImage::setUrlFromAction() -{ - KAction *a = qobject_cast<KAction*>(sender()); - QStringList urlData = a->data().toStringList(); - - m_url = KUrl(urlData.at(0)); - m_title = urlData.at(1); - checkTitle(); - - if(m_button) - { - m_imageLabel->layout()->deleteLater(); - m_button->menu()->deleteLater(); - m_button->deleteLater(); - } - loadUrlPreview(m_url); - - // Update title - QStringList names = ReKonfig::previewNames(); - // update url (for added thumbs) - QStringList urls = ReKonfig::previewUrls(); - - // stripTrailingSlash to be sure to get the same string for same address - urls.replace(m_index, m_url.toString(QUrl::StripTrailingSlash)); - names.replace(m_index, m_title); - - ReKonfig::setPreviewNames(names); - ReKonfig::setPreviewUrls(urls); - - ReKonfig::self()->writeConfig(); -} - - -void PreviewImage::refreshPreview() -{ - QString path = KStandardDirs::locateLocal("cache", QString("thumbs/") + guessNameFromUrl(m_url) + ".png", true); - QFile::remove(path); - loadUrlPreview(m_url); -} - - -QString PreviewImage::guessNameFromUrl(QUrl url) -{ - QString name = url.toString( QUrl::RemoveScheme | QUrl::RemoveUserInfo | QUrl::StripTrailingSlash ); - - // TODO learn Regular Expressions :) - // and implement something better here.. - name.remove('/'); - name.remove('&'); - name.remove('.'); - name.remove('-'); - name.remove('_'); - name.remove('?'); - name.remove('='); - name.remove('+'); - - return name; -} - - -void PreviewImage::checkTitle() -{ - if(m_title.length() > 23) - { - m_title.truncate(20); - m_title += "..."; - } -} |