diff options
Diffstat (limited to 'juk/webimagefetcherdialog.cpp')
| -rw-r--r-- | juk/webimagefetcherdialog.cpp | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/juk/webimagefetcherdialog.cpp b/juk/webimagefetcherdialog.cpp new file mode 100644 index 00000000..cc14ed61 --- /dev/null +++ b/juk/webimagefetcherdialog.cpp @@ -0,0 +1,235 @@ +/*************************************************************************** + copyright : (C) 2004 Nathan Toone + email : nathan@toonetown.com + copyright : (C) 2007 Michael Pyne + email : michael.pyne@kdemail.net +***************************************************************************/ + +/*************************************************************************** + * * + * 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) any later version. * + * * + ***************************************************************************/ + +#include <kapplication.h> +#include <kio/netaccess.h> +#include <klocale.h> +#include <kdebug.h> +#include <kmessagebox.h> +#include <krun.h> +#include <kcombobox.h> +#include <kiconloader.h> +#include <kurllabel.h> + +#include <qvbox.h> +#include <qlayout.h> +#include <qimage.h> +#include <qlabel.h> +#include <qpushbutton.h> +#include <qeventloop.h> + +#include "webimagefetcherdialog.h" +#include "tag.h" + +WebImageFetcherDialog::WebImageFetcherDialog(const WebImageList &imageList, + const FileHandle &file, + QWidget *parent) : + KDialogBase(parent, "internet_image_fetcher", true, QString::null, + Ok | Cancel | User1 , NoDefault, true), + m_pixmap(QPixmap()), + m_imageList(imageList), + m_file(file) +{ + disableResize(); + + QWidget *mainBox = new QWidget(this); + QBoxLayout *mainLayout = new QVBoxLayout(mainBox); + + m_iconWidget = new KIconView(mainBox); + m_iconWidget->setResizeMode(QIconView::Adjust); + m_iconWidget->setSpacing(10); + m_iconWidget->setFixedSize(500,550); + m_iconWidget->arrangeItemsInGrid(); + m_iconWidget->setItemsMovable(false); + mainLayout->addWidget(m_iconWidget); + connect(m_iconWidget, SIGNAL(executed(QIconViewItem *)), + this, SLOT(slotOk())); + + // Before changing the code below be sure to check the attribution terms + // of the Yahoo Image Search API. + // http://developer.yahoo.com/attribution/ + KURLLabel *logoLabel = new KURLLabel(mainBox); + logoLabel->setURL("http://developer.yahoo.com/about/"); + logoLabel->setPixmap(UserIcon("yahoo_credit")); + logoLabel->setMargin(15); // Allow large margin per attribution terms. + logoLabel->setUseTips(true); // Show URL in tooltip. + connect(logoLabel, SIGNAL(leftClickedURL(const QString &)), + SLOT(showCreditURL(const QString &))); + + QBoxLayout *creditLayout = new QHBoxLayout(mainLayout); + creditLayout->addStretch(); // Left spacer + creditLayout->addWidget(logoLabel); + creditLayout->addStretch(); // Right spacer + + setMainWidget(mainBox); + setButtonText(User1, i18n("New Search")); +} + +WebImageFetcherDialog::~WebImageFetcherDialog() +{ +} + +void WebImageFetcherDialog::showCreditURL(const QString &url) +{ + // Don't use static member since I'm sure that someday knowing my luck + // Yahoo will change their mimetype they serve. + (void) new KRun(KURL(url), topLevelWidget()); +} + +void WebImageFetcherDialog::setLayout() +{ + setCaption(QString("%1 - %2 (%3)") + .arg(m_file.tag()->artist()) + .arg(m_file.tag()->album()) + .arg(m_imageList.size())); + + m_iconWidget->clear(); + for(uint i = 0; i < m_imageList.size(); i++) + new CoverIconViewItem(m_iconWidget, m_imageList[i]); + + adjustSize(); +} + +void WebImageFetcherDialog::setImageList(const WebImageList &imageList) +{ + m_imageList = imageList; +} + +void WebImageFetcherDialog::setFile(const FileHandle &file) +{ + m_file = file; +} + +//////////////////////////////////////////////////////////////////////////////// +// public slots +//////////////////////////////////////////////////////////////////////////////// + +void WebImageFetcherDialog::refreshScreen(WebImageList &imageList) +{ + setImageList(imageList); + setLayout(); +} + +int WebImageFetcherDialog::exec() +{ + setLayout(); + return KDialogBase::exec(); +} + +void WebImageFetcherDialog::slotOk() +{ + uint selectedIndex = m_iconWidget->index(m_iconWidget->currentItem()); + m_pixmap = pixmapFromURL(m_imageList[selectedIndex].imageURL()); + + if(m_pixmap.isNull()) { + KMessageBox::sorry(this, + i18n("The cover you have selected is unavailable. Please select another."), + i18n("Cover Unavailable")); + QPixmap blankPix; + blankPix.resize(80, 80); + blankPix.fill(); + m_iconWidget->currentItem()->setPixmap(blankPix, true, true); + return; + } + + accept(); + emit coverSelected(); +} + +void WebImageFetcherDialog::slotCancel() +{ + m_pixmap = QPixmap(); + reject(); +} + +void WebImageFetcherDialog::slotUser1() +{ + m_pixmap = QPixmap(); + accept(); + emit newSearchRequested(); +} + +QPixmap WebImageFetcherDialog::fetchedImage(uint index) const +{ + return (index > m_imageList.count()) ? QPixmap() : pixmapFromURL(m_imageList[index].imageURL()); +} + +QPixmap WebImageFetcherDialog::pixmapFromURL(const KURL &url) const +{ + QString file; + + if(KIO::NetAccess::download(url, file, 0)) { + QPixmap pixmap = QPixmap(file); + KIO::NetAccess::removeTempFile(file); + return pixmap; + } + KIO::NetAccess::removeTempFile(file); + return QPixmap(); +} + +//////////////////////////////////////////////////////////////////////////////// +// CoverIconViewItem +//////////////////////////////////////////////////////////////////////////////// + +CoverIconViewItem::CoverIconViewItem(QIconView *parent, const WebImage &image) : + QObject(parent), KIconViewItem(parent, parent->lastItem(), image.size()), m_job(0) +{ + // Set up the iconViewItem + + QPixmap mainMap; + mainMap.resize(80, 80); + mainMap.fill(); + setPixmap(mainMap, true, true); + + // Start downloading the image. + + m_job = KIO::get(image.thumbURL(), false, false); + connect(m_job, SIGNAL(result(KIO::Job *)), this, SLOT(imageResult(KIO::Job *))); + connect(m_job, SIGNAL(data(KIO::Job *, const QByteArray &)), + this, SLOT(imageData(KIO::Job *, const QByteArray &))); +} + +CoverIconViewItem::~CoverIconViewItem() +{ + if(m_job) { + m_job->kill(); + + // Drain results issued by KIO before being deleted, + // and before deleting the job. + kapp->eventLoop()->processEvents(QEventLoop::ExcludeUserInput); + + delete m_job; + } +} + +void CoverIconViewItem::imageData(KIO::Job *, const QByteArray &data) +{ + int currentSize = m_buffer.size(); + m_buffer.resize(currentSize + data.size(), QGArray::SpeedOptim); + memcpy(&(m_buffer.data()[currentSize]), data.data(), data.size()); +} + +void CoverIconViewItem::imageResult(KIO::Job *job) +{ + if(job->error()) + return; + + QPixmap iconImage(m_buffer); + iconImage = QImage(iconImage.convertToImage()).smoothScale(80, 80, QImage::ScaleMin); + setPixmap(iconImage, true, true); +} + +#include "webimagefetcherdialog.moc" |