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/*
This file is part of Choqok, the KDE micro-blogging client
Copyright (C) 2008-2012 Mehrdad Momeny <mehrdad.momeny@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 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/
*/
#include "imagepreview.h"
#include <QTimer>
#include <KPluginFactory>
#include "choqokuiglobal.h"
#include "mediamanager.h"
#include "postwidget.h"
#include "textbrowser.h"
K_PLUGIN_FACTORY_WITH_JSON(ImagePreviewFactory, "choqok_imagepreview.json",
registerPlugin < ImagePreview > ();)
const QRegExp ImagePreview::mImgLyRegExp(QLatin1String("(http://img.ly/[^\\s<>\"]+[^!,\\.\\s<>'\"\\]])"));
const QRegExp ImagePreview::mTwitgooRegExp(QLatin1String("(http://(([a-zA-Z0-9]+\\.)?)twitgoo.com/[^\\s<>\"]+[^!,\\.\\s<>'\"\\]])"));
const QRegExp ImagePreview::mPumpIORegExp(QLatin1String("(https://([a-zA-Z0-9]+\\.)?[a-zA-Z0-9]+\\.[a-zA-Z]+/uploads/\\w+/\\d{4}/\\d{1,2}/\\d{1,2}/\\w+)(\\.[a-zA-Z]{3,4})"));
ImagePreview::ImagePreview(QObject *parent, const QList< QVariant > &)
: Choqok::Plugin(QLatin1String("choqok_imagepreview"), parent), state(Stopped)
{
connect(Choqok::UI::Global::SessionManager::self(), &Choqok::UI::Global::SessionManager::newPostWidgetAdded,
this, &ImagePreview::slotAddNewPostWidget);
}
ImagePreview::~ImagePreview()
{
}
void ImagePreview::slotAddNewPostWidget(Choqok::UI::PostWidget *newWidget)
{
postsQueue.enqueue(newWidget);
if (state == Stopped) {
state = Running;
QTimer::singleShot(1000, this, SLOT(startParsing()));
}
}
void ImagePreview::startParsing()
{
int i = 8;
while (!postsQueue.isEmpty() && i > 0) {
parse(postsQueue.dequeue());
--i;
}
if (postsQueue.isEmpty()) {
state = Stopped;
} else {
QTimer::singleShot(500, this, SLOT(startParsing()));
}
}
void ImagePreview::parse(Choqok::UI::PostWidget *postToParse)
{
if (!postToParse) {
return;
}
int pos = 0;
QStringList ImgLyRedirectList;
QStringList TwitgooRedirectList;
QStringList PumpIORedirectList;
QString content = postToParse->currentPost()->content;
//Img.ly; http://img.ly/api/docs
pos = 0;
while ((pos = mImgLyRegExp.indexIn(content, pos)) != -1) {
pos += mImgLyRegExp.matchedLength();
ImgLyRedirectList << mImgLyRegExp.cap(0);
}
for (const QString &url: ImgLyRedirectList) {
connect(Choqok::MediaManager::self(),&Choqok::MediaManager::imageFetched,
this, &ImagePreview::slotImageFetched);
QUrl ImgLyUrl = QUrl::fromUserInput(QStringLiteral("http://img.ly/show/thumb%1").arg(QString(url).remove(QLatin1String("http://img.ly"))));
mParsingList.insert(ImgLyUrl, postToParse);
mBaseUrlMap.insert(ImgLyUrl, url);
Choqok::MediaManager::self()->fetchImage(ImgLyUrl, Choqok::MediaManager::Async);
}
//Twitgoo; http://twitgoo.com/docs/TwitgooHelp.htm
pos = 0;
while ((pos = mTwitgooRegExp.indexIn(content, pos)) != -1) {
pos += mTwitgooRegExp.matchedLength();
TwitgooRedirectList << mTwitgooRegExp.cap(0);
}
for (const QString &url: TwitgooRedirectList) {
connect(Choqok::MediaManager::self(), &Choqok::MediaManager::imageFetched,
this, &ImagePreview::slotImageFetched);
QUrl TwitgooUrl = QUrl::fromUserInput(url + QLatin1String("/thumb"));
mParsingList.insert(TwitgooUrl, postToParse);
mBaseUrlMap.insert(TwitgooUrl, url);
Choqok::MediaManager::self()->fetchImage(TwitgooUrl, Choqok::MediaManager::Async);
}
//PumpIO
pos = 0;
QString baseUrl;
QString imageExtension;
while ((pos = mPumpIORegExp.indexIn(content, pos)) != -1) {
pos += mPumpIORegExp.matchedLength();
PumpIORedirectList << mPumpIORegExp.cap(0);
baseUrl = mPumpIORegExp.cap(1);
imageExtension = mPumpIORegExp.cap(mPumpIORegExp.capturedTexts().length() - 1);
}
for (const QString &url: PumpIORedirectList) {
connect(Choqok::MediaManager::self(), &Choqok::MediaManager::imageFetched,
this, &ImagePreview::slotImageFetched);
const QUrl pumpIOUrl = QUrl::fromUserInput(baseUrl + QLatin1String("_thumb") + imageExtension);
mParsingList.insert(pumpIOUrl, postToParse);
mBaseUrlMap.insert(pumpIOUrl, url);
Choqok::MediaManager::self()->fetchImage(pumpIOUrl, Choqok::MediaManager::Async);
}
}
void ImagePreview::slotImageFetched(const QUrl &remoteUrl, const QPixmap &pixmap)
{
Choqok::UI::PostWidget *postToParse = mParsingList.take(remoteUrl);
QString baseUrl = mBaseUrlMap.take(remoteUrl);
if (!postToParse) {
return;
}
QString content = postToParse->content();
QUrl imgU(remoteUrl);
imgU.setScheme(QLatin1String("img"));
// imgUrl.replace("http://","img://");
QPixmap pix = pixmap;
if (pixmap.width() > 200) {
pix = pixmap.scaledToWidth(200);
} else if (pixmap.height() > 200) {
pix = pixmap.scaledToHeight(200);
}
postToParse->mainWidget()->document()->addResource(QTextDocument::ImageResource, imgU, pix);
content.replace(QRegExp(QLatin1Char('>') + baseUrl + QLatin1Char('<')), QStringLiteral("><img align='left' src='")
+ imgU.toDisplayString() + QStringLiteral("' /><"));
postToParse->setContent(content);
}
#include "imagepreview.moc"
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