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Diffstat (limited to 'kwebapp/websnap.cpp')
| -rw-r--r-- | kwebapp/websnap.cpp | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/kwebapp/websnap.cpp b/kwebapp/websnap.cpp deleted file mode 100644 index 830d37e1..00000000 --- a/kwebapp/websnap.cpp +++ /dev/null @@ -1,166 +0,0 @@ -/* ============================================================ -* -* This file is a part of the rekonq project -* -* Copyright (C) 2009 Nokia Corporation <qt-info@nokia.com> -* Copyright (C) 2009-2012 by Andrea Diamantini <adjam7 at gmail dot com> -* Copyright (C) 2010 by Matthieu Gicquel <matgic78 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 "websnap.h" -#include "websnap.moc" - -// KDE Includes -#include <KStandardDirs> - -// Qt Includes -#include <QSize> -#include <QFile> - -#include <QCryptographicHash> - -#include <QPainter> -#include <QAction> - -#include <QWebFrame> -#include <QWebSettings> - - -WebSnap::WebSnap(const KUrl& url, QObject *parent) - : QObject(parent) - , m_url(url) -{ - // this to not register websnap history - m_page.settings()->setAttribute(QWebSettings::PrivateBrowsingEnabled, true); - - // this to not let this page open other windows - m_page.settings()->setAttribute(QWebSettings::PluginsEnabled, false); - m_page.settings()->setAttribute(QWebSettings::JavascriptEnabled, false); - - connect(&m_page, SIGNAL(loadFinished(bool)), this, SLOT(saveResult(bool))); - - QMetaObject::invokeMethod(this, "load", Qt::QueuedConnection); -} - - -WebSnap::~WebSnap() -{ - m_page.action(QWebPage::Stop)->trigger(); - m_page.deleteLater(); -} - - -void WebSnap::load() -{ - m_page.mainFrame()->load(m_url); -} - - - -QPixmap WebSnap::render(const QWebPage &page, int w, int h) -{ - // create the page image - QPixmap pageImage = QPixmap(w, h); - pageImage.fill(Qt::transparent); - - // render it - QPainter p(&pageImage); - page.mainFrame()->render(&p, QWebFrame::ContentsLayer); - p.end(); - - return pageImage; -} - - -// NOTE -// to render page preview in a safe way, you CANNOT work with scrollbars! -// In fact, disabling temporarily them DOES NOT work without reloading a page -// that is something we CANNOT do. -QPixmap WebSnap::renderPagePreview(const QWebPage &page, int w, int h) -{ - // store actual viewportsize - QSize oldSize = page.viewportSize(); - - // prepare page - // NOTE: I saw some sites with strange CMS and with absurd content size width (eg: 8584553) - // This usually leads setViewportSize to crash :( - // So, ensure renderWidth is no more than 2000. - int renderWidth = page.mainFrame()->contentsSize().width(); - if (renderWidth > 2000) - renderWidth = 2000; - int renderHeight = renderWidth * ((0.0 + h) / w); - - page.setViewportSize(QSize(renderWidth, renderHeight)); - - // consider scrollbars and render the page - bool verticalScrollBarActive = !page.mainFrame()->scrollBarGeometry(Qt::Vertical).isEmpty(); - if (verticalScrollBarActive) - renderWidth -= 15; - - bool horizontalScrollBarActive = !page.mainFrame()->scrollBarGeometry(Qt::Horizontal).isEmpty(); - if (horizontalScrollBarActive) - renderHeight -= 15; - - QPixmap pageImage = WebSnap::render(page, renderWidth, renderHeight); - - // resize image - pageImage = pageImage.scaled(w, h, Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation); - - // restore page state - page.setViewportSize(oldSize); - - return pageImage; -} - - -QString WebSnap::imagePathFromUrl(const KUrl &url) -{ - QUrl temp = QUrl(url.url()); - QByteArray name = temp.toEncoded(QUrl::RemoveScheme | QUrl::RemoveUserInfo | QUrl::StripTrailingSlash); - - QByteArray hashedName = QCryptographicHash::hash(name, QCryptographicHash::Md5).toHex(); - - return KStandardDirs::locateLocal("cache", QString("thumbs/") + hashedName + ".png", true); -} - - -void WebSnap::saveResult(bool ok) -{ - if (ok) - { - QPixmap image = renderPagePreview(m_page, defaultWidth, defaultHeight); - QString path = imagePathFromUrl(m_url); - QFile::remove(path); - image.save(path); - } - - emit snapDone(ok); - - this->deleteLater(); -} - - -bool WebSnap::existsImage(const KUrl &u) -{ - return QFile::exists(imagePathFromUrl(u)); -} |