477 lines
16 KiB
C++
477 lines
16 KiB
C++
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/*
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* Copyright 2007 by Aaron Seigo <aseigo@kde.org>
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* Copyright 2008 by Ménard Alexis <darktears31@gmail.com>
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* Copyright 2009 Chani Armitage <chani@kde.org>
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* Copyright 2012 Marco Martin <notmart@kde.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "private/containment_p.h"
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#include <QApplication>
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#include <QClipboard>
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#include <QMimeData>
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#include <QMimeDatabase>
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#include <QDropEvent>
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#include <qtemporaryfile.h>
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#include <kaction.h>
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#include <kactioncollection.h>
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#include <kcoreauthorized.h>
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#include <kurlmimedata.h>
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#include <kwindowsystem.h>
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#include "config-plasma.h"
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#if !PLASMA_NO_KIO
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#include "kio/jobclasses.h" // for KIO::JobFlags
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#include "kio/job.h"
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#include "kio/scheduler.h"
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#endif
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#include "containmentactions.h"
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#include "containmentactionspluginsconfig.h"
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#include "corona.h"
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#include "pluginloader.h"
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#include "svg.h"
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#include "remote/accessappletjob.h"
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#include "remote/accessmanager.h"
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#include "private/applet_p.h"
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#include "private/containmentactionspluginsconfig_p.h"
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namespace Plasma
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{
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const char DeclarativeContainmentPrivate::defaultWallpaperMode[] = "SingleImage";
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void DeclarativeContainmentPrivate::showDropZoneDelayed()
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{
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dropZoneStarted = true;
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q->showDropZone(dropPoints.value(0).toPoint());
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dropPoints.remove(0);
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}
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void DeclarativeContainmentPrivate::dropData(QPoint screenPos, QDropEvent *dropEvent)
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{
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if (q->immutability() != Mutable) {
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return;
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}
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const QMimeData *mimeData = 0;
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if (dropEvent) {
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mimeData = dropEvent->mimeData();
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} else {
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QClipboard *clipboard = QApplication::clipboard();
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mimeData = clipboard->mimeData(QClipboard::Selection);
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//TODO if that's not supported (ie non-linux) should we try clipboard instead of selection?
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}
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if (!mimeData) {
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//Selection is either empty or not supported on this OS
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#ifndef NDEBUG
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kDebug() << "no mime data";
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#endif
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return;
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}
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//kDebug() << event->mimeData()->text();
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QString appletMimetype(q->corona() ? q->corona()->appletMimeType() : QString());
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if (!appletMimetype.isEmpty() && mimeData->hasFormat(appletMimetype)) {
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QString data = mimeData->data(appletMimetype);
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const QStringList appletNames = data.split('\n', QString::SkipEmptyParts);
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foreach (const QString &appletName, appletNames) {
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//kDebug() << "doing" << appletName;
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QRectF geom(screenPos, QSize(0, 0));
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q->addApplet(appletName, QVariantList(), geom);
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}
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if (dropEvent) {
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dropEvent->acceptProposedAction();
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}
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} else if (mimeData->hasUrls()) {
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//TODO: collect the mimeTypes of available script engines and offer
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// to create widgets out of the matching URLs, if any
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const QList<QUrl> urls = KUrlMimeData::urlsFromMimeData(mimeData);
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foreach (const QUrl &url, urls) {
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if (AccessManager::supportedProtocols().contains(url.scheme())) {
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AccessAppletJob *job = AccessManager::self()->accessRemoteApplet(url);
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if (dropEvent) {
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dropPoints[job] = dropEvent->pos();
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} else {
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dropPoints[job] = screenPos;
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}
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QObject::connect(AccessManager::self(), SIGNAL(finished(Plasma::AccessAppletJob*)),
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q, SLOT(remoteAppletReady(Plasma::AccessAppletJob*)));
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}
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#if !PLASMA_NO_KIO
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else {
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QMimeDatabase db;
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QMimeType mime = db.mimeTypeForUrl(url);
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QString mimeName = mime.name();
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QRectF geom(screenPos, QSize());
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QVariantList args;
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args << url.toString();
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#ifndef NDEBUG
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kDebug() << "can decode" << mimeName << args;
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#endif
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// It may be a directory or a file, let's stat
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KIO::JobFlags flags = KIO::HideProgressInfo;
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KIO::MimetypeJob *job = KIO::mimetype(url, flags);
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if (dropEvent) {
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dropPoints[job] = dropEvent->pos();
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} else {
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dropPoints[job] = screenPos;
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}
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QObject::connect(job, SIGNAL(result(KJob*)), q, SLOT(dropJobResult(KJob*)));
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QObject::connect(job, SIGNAL(mimetype(KIO::Job*,QString)),
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q, SLOT(mimeTypeRetrieved(KIO::Job*,QString)));
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KMenu *choices = new KMenu("Content dropped");
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choices->addAction(KDE::icon("process-working"), i18n("Fetching file type..."));
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if (dropEvent) {
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choices->popup(dropEvent->pos());
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} else {
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choices->popup(screenPos);
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}
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dropMenus[job] = choices;
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}
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#endif
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}
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if (dropEvent) {
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dropEvent->acceptProposedAction();
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}
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} else {
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QStringList formats = mimeData->formats();
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QHash<QString, KPluginInfo> seenPlugins;
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QHash<QString, QString> pluginFormats;
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foreach (const QString &format, formats) {
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KPluginInfo::List plugins = Applet::listAppletInfoForMimeType(format);
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foreach (const KPluginInfo &plugin, plugins) {
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if (seenPlugins.contains(plugin.pluginName())) {
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continue;
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}
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seenPlugins.insert(plugin.pluginName(), plugin);
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pluginFormats.insert(plugin.pluginName(), format);
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}
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}
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//kDebug() << "Mimetype ..." << formats << seenPlugins.keys() << pluginFormats.values();
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QString selectedPlugin;
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if (seenPlugins.isEmpty()) {
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// do nothing
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} else if (seenPlugins.count() == 1) {
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selectedPlugin = seenPlugins.constBegin().key();
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} else {
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KMenu choices;
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QHash<QAction *, QString> actionsToPlugins;
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foreach (const KPluginInfo &info, seenPlugins) {
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QAction *action;
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if (!info.icon().isEmpty()) {
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action = choices.addAction(KDE::icon(info.icon()), info.name());
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} else {
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action = choices.addAction(info.name());
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}
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actionsToPlugins.insert(action, info.pluginName());
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}
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QAction *choice = choices.exec(screenPos);
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if (choice) {
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selectedPlugin = actionsToPlugins[choice];
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}
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}
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if (!selectedPlugin.isEmpty()) {
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if (!dropEvent) {
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// since we may have entered an event loop up above with the menu,
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// the clipboard item may no longer be valid, as QClipboard resets
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// the object behind the back of the application with a zero timer
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// so we fetch it again here
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QClipboard *clipboard = QApplication::clipboard();
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mimeData = clipboard->mimeData(QClipboard::Selection);
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}
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QTemporaryFile tempFile;
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if (mimeData && tempFile.open()) {
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//TODO: what should we do with files after the applet is done with them??
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tempFile.setAutoRemove(false);
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{
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QDataStream stream(&tempFile);
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QByteArray data = mimeData->data(pluginFormats[selectedPlugin]);
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stream.writeRawData(data, data.size());
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}
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QRectF geom(screenPos, QSize());
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QVariantList args;
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args << tempFile.fileName();
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#ifndef NDEBUG
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kDebug() << args;
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#endif
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tempFile.close();
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q->addApplet(selectedPlugin, args, geom);
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}
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}
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}
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}
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void DeclarativeContainmentPrivate::clearDataForMimeJob(KIO::Job *job)
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{
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#if !PLASMA_NO_KIO
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QObject::disconnect(job, 0, q, 0);
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dropPoints.remove(job);
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KMenu *choices = dropMenus.take(job);
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delete choices;
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job->kill();
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#endif // PLASMA_NO_KIO
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}
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void DeclarativeContainmentPrivate::dropJobResult(KJob *job)
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{
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#if !PLASMA_NO_KIO
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KIO::TransferJob* tjob = dynamic_cast<KIO::TransferJob*>(job);
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if (!tjob) {
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#ifndef NDEBUG
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kDebug() << "job is not a KIO::TransferJob, won't handle the drop...";
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#endif
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clearDataForMimeJob(tjob);
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return;
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}
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if (job->error()) {
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#ifndef NDEBUG
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kDebug() << "ERROR" << tjob->error() << ' ' << tjob->errorString();
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#endif
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}
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// We call mimeTypeRetrieved since there might be other mechanisms
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// for finding suitable applets. Cleanup happens there as well.
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mimeTypeRetrieved(qobject_cast<KIO::Job *>(job), QString());
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#endif // PLASMA_NO_KIO
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}
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void DeclarativeContainmentPrivate::mimeTypeRetrieved(KIO::Job *job, const QString &mimeType)
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{
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#if !PLASMA_NO_KIO
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#ifndef NDEBUG
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kDebug() << "Mimetype Job returns." << mimeType;
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#endif
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KIO::TransferJob* tjob = dynamic_cast<KIO::TransferJob*>(job);
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if (!tjob) {
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#ifndef NDEBUG
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kDebug() << "job should be a TransferJob, but isn't";
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#endif
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clearDataForMimeJob(job);
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return;
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}
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KPluginInfo::List appletList = Applet::listAppletInfoForUrl(tjob->url());
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if (mimeType.isEmpty() && !appletList.count()) {
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clearDataForMimeJob(job);
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#ifndef NDEBUG
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kDebug() << "No applets found matching the url (" << tjob->url() << ") or the mimeType (" << mimeType << ")";
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#endif
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return;
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} else {
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QPointF posi; // will be overwritten with the event's position
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if (dropPoints.keys().contains(tjob)) {
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posi = dropPoints[tjob];
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#ifndef NDEBUG
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kDebug() << "Received a suitable dropEvent at" << posi;
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#endif
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} else {
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#ifndef NDEBUG
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kDebug() << "Bailing out. Cannot find associated dropEvent related to the TransferJob";
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#endif
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clearDataForMimeJob(job);
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return;
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}
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KMenu *choices = dropMenus.value(tjob);
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if (!choices) {
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#ifndef NDEBUG
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kDebug() << "Bailing out. No QMenu found for this job.";
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#endif
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clearDataForMimeJob(job);
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return;
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}
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QVariantList args;
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args << tjob->url().toString() << mimeType;
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#ifndef NDEBUG
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kDebug() << "Creating menu for:" << mimeType << posi << args;
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#endif
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appletList << Applet::listAppletInfoForMimeType(mimeType);
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KPluginInfo::List wallpaperList;
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if (drawWallpaper) {
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if (wallpaper && wallpaper->supportsMimetype(mimeType)) {
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wallpaperList << wallpaper->d->wallpaperDescription;
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} else {
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wallpaperList = Wallpaper::listWallpaperInfoForMimeType(mimeType);
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}
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}
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if (!appletList.isEmpty() || !wallpaperList.isEmpty()) {
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choices->clear();
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QHash<QAction *, QString> actionsToApplets;
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choices->addTitle(i18n("Widgets"));
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foreach (const KPluginInfo &info, appletList) {
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#ifndef NDEBUG
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kDebug() << info.name();
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#endif
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QAction *action;
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if (!info.icon().isEmpty()) {
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action = choices->addAction(KDE::icon(info.icon()), info.name());
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} else {
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action = choices->addAction(info.name());
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}
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actionsToApplets.insert(action, info.pluginName());
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#ifndef NDEBUG
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kDebug() << info.pluginName();
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#endif
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}
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actionsToApplets.insert(choices->addAction(i18n("Icon")), "icon");
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QHash<QAction *, QString> actionsToWallpapers;
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if (!wallpaperList.isEmpty()) {
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choices->addTitle(i18n("Wallpaper"));
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QMap<QString, KPluginInfo> sorted;
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foreach (const KPluginInfo &info, appletList) {
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sorted.insert(info.name(), info);
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}
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foreach (const KPluginInfo &info, wallpaperList) {
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||
|
|
QAction *action;
|
||
|
|
if (!info.icon().isEmpty()) {
|
||
|
|
action = choices->addAction(KDE::icon(info.icon()), info.name());
|
||
|
|
} else {
|
||
|
|
action = choices->addAction(info.name());
|
||
|
|
}
|
||
|
|
|
||
|
|
actionsToWallpapers.insert(action, info.pluginName());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
QAction *choice = choices->exec();
|
||
|
|
if (choice) {
|
||
|
|
// Put the job on hold so it can be recycled to fetch the actual content,
|
||
|
|
// which is to be expected when something's dropped onto the desktop and
|
||
|
|
// an applet is to be created with this URL
|
||
|
|
if (!mimeType.isEmpty() && !tjob->error()) {
|
||
|
|
tjob->putOnHold();
|
||
|
|
KIO::Scheduler::publishSlaveOnHold();
|
||
|
|
}
|
||
|
|
QString plugin = actionsToApplets.value(choice);
|
||
|
|
if (plugin.isEmpty()) {
|
||
|
|
//set wallpapery stuff
|
||
|
|
plugin = actionsToWallpapers.value(choice);
|
||
|
|
if (!wallpaper || plugin != wallpaper->pluginName()) {
|
||
|
|
//kDebug() << "Wallpaper dropped:" << tjob->url();
|
||
|
|
q->setWallpaper(plugin);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (wallpaper) {
|
||
|
|
//kDebug() << "Wallpaper dropped:" << tjob->url();
|
||
|
|
wallpaper->addUrls(QList<QUrl>() << tjob->url());
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
addApplet(actionsToApplets[choice], args, QRectF(posi, QSize()));
|
||
|
|
}
|
||
|
|
|
||
|
|
clearDataForMimeJob(job);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
// we can at least create an icon as a link to the URL
|
||
|
|
addApplet("icon", args, QRectF(posi, QSize()));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
clearDataForMimeJob(job);
|
||
|
|
#endif // PLASMA_NO_KIO
|
||
|
|
}
|
||
|
|
|
||
|
|
void DeclarativeContainmentPrivate::focusApplet(Plasma::Applet *applet)
|
||
|
|
{
|
||
|
|
if (focusedApplet == applet) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
QList<QWidget *> widgets = actions()->associatedWidgets();
|
||
|
|
if (focusedApplet) {
|
||
|
|
foreach (QWidget *w, widgets) {
|
||
|
|
focusedApplet->removeAssociatedWidget(w);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (applet && applets.contains(applet)) {
|
||
|
|
//kDebug() << "switching to" << applet->name();
|
||
|
|
focusedApplet = applet;
|
||
|
|
foreach (QWidget *w, widgets) {
|
||
|
|
focusedApplet->addAssociatedWidget(w);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!focusedApplet->hasFocus()) {
|
||
|
|
focusedApplet->setFocus(Qt::ShortcutFocusReason);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
focusedApplet = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void DeclarativeContainmentPrivate::remoteAppletReady(Plasma::AccessAppletJob *job)
|
||
|
|
{
|
||
|
|
QPointF pos = dropPoints.take(job);
|
||
|
|
if (job->error()) {
|
||
|
|
//TODO: nice user visible error handling (knotification probably?)
|
||
|
|
#ifndef NDEBUG
|
||
|
|
kDebug() << "remote applet access failed: " << job->errorText();
|
||
|
|
#endif
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!job->applet()) {
|
||
|
|
#ifndef NDEBUG
|
||
|
|
kDebug() << "how did we end up here? if applet is null, the job->error should be nonzero";
|
||
|
|
#endif
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
q->addApplet(job->applet(), pos);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
}
|