src/dolphinviewcontainer.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2007 by Peter Penz <peter.penz19@gmail.com>             *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  18  ***************************************************************************/
  19
  20 #include "dolphinviewcontainer.h"
  21
  22 #include "dolphin_generalsettings.h"
  23 #include "dolphinplacesmodelsingleton.h"
  24 #include "dolphindebug.h"
  25 #include "filterbar/filterbar.h"
  26 #include "global.h"
  27 #include "search/dolphinsearchbox.h"
  28 #include "statusbar/dolphinstatusbar.h"
  29 #include "trash/dolphintrash.h"
  30 #include "views/viewmodecontroller.h"
  31 #include "views/viewproperties.h"
  32
  33 #ifdef HAVE_KACTIVITIES
  34 #include <KActivities/ResourceInstance>
  35 #endif
  36 #include <KFileItemActions>
  37 #include <KFilePlacesModel>
  38 #include <KIO/PreviewJob>
  39 #include <KLocalizedString>
  40 #include <KMessageWidget>
  41 #include <KProtocolManager>
  42 #include <KRun>
  43 #include <KShell>
  44 #include <KUrlComboBox>
  45 #include <KUrlNavigator>
  46
  47 #include <QDropEvent>
  48 #include <QLoggingCategory>
  49 #include <QMimeData>
  50 #include <QTimer>
  51 #include <QUrl>
  52 #include <QVBoxLayout>
  53
  54 DolphinViewContainer::DolphinViewContainer(const QUrl& url, QWidget* parent) :
  55     QWidget(parent),
  56     m_topLayout(nullptr),
  57     m_navigatorWidget(nullptr),
  58     m_urlNavigator(nullptr),
  59     m_emptyTrashButton(nullptr),
  60     m_searchBox(nullptr),
  61     m_searchModeEnabled(false),
  62     m_messageWidget(nullptr),
  63     m_view(nullptr),
  64     m_filterBar(nullptr),
  65     m_statusBar(nullptr),
  66     m_statusBarTimer(nullptr),
  67     m_statusBarTimestamp(),
  68     m_autoGrabFocus(true)
  69 #ifdef HAVE_KACTIVITIES
  70     , m_activityResourceInstance(nullptr)
  71 #endif
  72 {
  73     hide();
  74
  75     m_topLayout = new QVBoxLayout(this);
  76     m_topLayout->setSpacing(0);
  77     m_topLayout->setContentsMargins(0, 0, 0, 0);
  78
  79     m_navigatorWidget = new QWidget(this);
  80     QHBoxLayout* navigatorLayout = new QHBoxLayout(m_navigatorWidget);
  81     navigatorLayout->setSpacing(0);
  82     navigatorLayout->setContentsMargins(0, 0, 0, 0);
  83     m_navigatorWidget->setWhatsThis(xi18nc("@info:whatsthis location bar",
  84         "<para>This line describes the location of the files and folders "
  85         "displayed below.</para><para>The name of the currently viewed "
  86         "folder can be read at the very right. To the left of it is the "
  87         "name of the folder that contains it. The whole line is called "
  88         "the <emphasis>path</emphasis> to the current location because "
  89         "following these folders from left to right leads here.</para>"
  90         "<para>The path is displayed on the <emphasis>location bar</emphasis> "
  91         "which is more powerful than one would expect. To learn more "
  92         "about the basic and advanced features of the location bar "
  93         "<link url='help:/dolphin/location-bar.html'>click here</link>. "
  94         "This will open the dedicated page in the Handbook.</para>"));
  95
  96     m_urlNavigator = new KUrlNavigator(DolphinPlacesModelSingleton::instance().placesModel(), url, this);
  97     connect(m_urlNavigator, &KUrlNavigator::activated,
  98             this, &DolphinViewContainer::activate);
  99     connect(m_urlNavigator->editor(), &KUrlComboBox::completionModeChanged,
 100             this, &DolphinViewContainer::saveUrlCompletionMode);
 101
 102     const GeneralSettings* settings = GeneralSettings::self();
 103     m_urlNavigator->setUrlEditable(settings->editableUrl());
 104     m_urlNavigator->setShowFullPath(settings->showFullPath());
 105     m_urlNavigator->setHomeUrl(Dolphin::homeUrl());
 106     KUrlComboBox* editor = m_urlNavigator->editor();
 107     editor->setCompletionMode(KCompletion::CompletionMode(settings->urlCompletionMode()));
 108
 109     m_emptyTrashButton = new QPushButton(QIcon::fromTheme(QStringLiteral("user-trash")), i18nc("@action:button", "Empty Trash"), this);
 110     m_emptyTrashButton->setFlat(true);
 111     connect(m_emptyTrashButton, &QPushButton::clicked, this, [this]() { Trash::empty(this); });
 112     connect(&Trash::instance(), &Trash::emptinessChanged, m_emptyTrashButton, &QPushButton::setDisabled);
 113     m_emptyTrashButton->setDisabled(Trash::isEmpty());
 114     m_emptyTrashButton->hide();
 115
 116     m_searchBox = new DolphinSearchBox(this);
 117     m_searchBox->hide();
 118     connect(m_searchBox, &DolphinSearchBox::activated, this, &DolphinViewContainer::activate);
 119     connect(m_searchBox, &DolphinSearchBox::closeRequest, this, &DolphinViewContainer::closeSearchBox);
 120     connect(m_searchBox, &DolphinSearchBox::searchRequest, this, &DolphinViewContainer::startSearching);
 121     connect(m_searchBox, &DolphinSearchBox::returnPressed, this, &DolphinViewContainer::requestFocus);
 122     m_searchBox->setWhatsThis(xi18nc("@info:whatsthis findbar",
 123         "<para>This helps you find files and folders. Enter a <emphasis>"
 124         "search term</emphasis> and specify search settings with the "
 125         "buttons at the bottom:<list><item>Filename/Content: "
 126         "Does the item you are looking for contain the search terms "
 127         "within its filename or its contents?<nl/>The contents of images, "
 128         "audio files and videos will not be searched.</item><item>"
 129         "From Here/Everywhere: Do you want to search in this "
 130         "folder and its sub-folders or everywhere?</item><item>"
 131         "More Options: Click this to search by media type, access "
 132         "time or rating.</item><item>More Search Tools: Install other "
 133         "means to find an item.</item></list></para>"));
 134
 135     m_messageWidget = new KMessageWidget(this);
 136     m_messageWidget->setCloseButtonVisible(true);
 137     m_messageWidget->hide();
 138
 139 #ifndef Q_OS_WIN
 140     if (getuid() == 0) {
 141
 142         // We must be logged in as the root user; show a big scary warning
 143         showMessage(i18n("Running Dolphin as root can be dangerous. Please be careful."), Warning);
 144     }
 145 #endif
 146
 147     // Initialize filter bar
 148     m_filterBar = new FilterBar(this);
 149     m_filterBar->setVisible(settings->filterBar());
 150
 151     connect(m_filterBar, &FilterBar::filterChanged,
 152             this, &DolphinViewContainer::setNameFilter);
 153     connect(m_filterBar, &FilterBar::closeRequest,
 154             this, &DolphinViewContainer::closeFilterBar);
 155     connect(m_filterBar, &FilterBar::focusViewRequest,
 156             this, &DolphinViewContainer::requestFocus);
 157
 158     // Initialize the main view
 159     m_view = new DolphinView(url, this);
 160     connect(m_view, &DolphinView::urlChanged,
 161             m_filterBar, &FilterBar::slotUrlChanged);
 162     connect(m_view, &DolphinView::urlChanged,
 163             m_urlNavigator, &KUrlNavigator::setLocationUrl);
 164     connect(m_view, &DolphinView::urlChanged,
 165             m_messageWidget, &KMessageWidget::hide);
 166     connect(m_view, &DolphinView::writeStateChanged,
 167             this, &DolphinViewContainer::writeStateChanged);
 168     connect(m_view, &DolphinView::requestItemInfo,
 169             this, &DolphinViewContainer::showItemInfo);
 170     connect(m_view, &DolphinView::itemActivated,
 171             this, &DolphinViewContainer::slotItemActivated);
 172     connect(m_view, &DolphinView::itemsActivated,
 173             this, &DolphinViewContainer::slotItemsActivated);
 174     connect(m_view, &DolphinView::redirection,
 175             this, &DolphinViewContainer::redirect);
 176     connect(m_view, &DolphinView::directoryLoadingStarted,
 177             this, &DolphinViewContainer::slotDirectoryLoadingStarted);
 178     connect(m_view, &DolphinView::directoryLoadingCompleted,
 179             this, &DolphinViewContainer::slotDirectoryLoadingCompleted);
 180     connect(m_view, &DolphinView::directoryLoadingCanceled,
 181             this, &DolphinViewContainer::slotDirectoryLoadingCanceled);
 182     connect(m_view, &DolphinView::itemCountChanged,
 183             this, &DolphinViewContainer::delayedStatusBarUpdate);
 184     connect(m_view, &DolphinView::directoryLoadingProgress,
 185             this, &DolphinViewContainer::updateDirectoryLoadingProgress);
 186     connect(m_view, &DolphinView::directorySortingProgress,
 187             this, &DolphinViewContainer::updateDirectorySortingProgress);
 188     connect(m_view, &DolphinView::selectionChanged,
 189             this, &DolphinViewContainer::delayedStatusBarUpdate);
 190     connect(m_view, &DolphinView::errorMessage,
 191             this, &DolphinViewContainer::showErrorMessage);
 192     connect(m_view, &DolphinView::urlIsFileError,
 193             this, &DolphinViewContainer::slotUrlIsFileError);
 194     connect(m_view, &DolphinView::activated,
 195             this, &DolphinViewContainer::activate);
 196
 197     connect(m_urlNavigator, &KUrlNavigator::urlAboutToBeChanged,
 198             this, &DolphinViewContainer::slotUrlNavigatorLocationAboutToBeChanged);
 199     connect(m_urlNavigator, &KUrlNavigator::urlChanged,
 200             this, &DolphinViewContainer::slotUrlNavigatorLocationChanged);
 201     connect(m_urlNavigator, &KUrlNavigator::urlSelectionRequested,
 202             this, &DolphinViewContainer::slotUrlSelectionRequested);
 203     connect(m_urlNavigator, &KUrlNavigator::returnPressed,
 204             this, &DolphinViewContainer::slotReturnPressed);
 205     connect(m_urlNavigator, &KUrlNavigator::urlsDropped, this, [=](const QUrl &destination, QDropEvent *event) {
 206         m_view->dropUrls(destination, event, m_urlNavigator->dropWidget());
 207     });
 208
 209     connect(m_view, &DolphinView::directoryLoadingCompleted, this, [this]() {
 210         m_emptyTrashButton->setVisible(m_view->url().scheme() == QLatin1String("trash"));
 211     });
 212
 213     // Initialize status bar
 214     m_statusBar = new DolphinStatusBar(this);
 215     m_statusBar->setUrl(m_view->url());
 216     m_statusBar->setZoomLevel(m_view->zoomLevel());
 217     connect(m_view, &DolphinView::urlChanged,
 218             m_statusBar, &DolphinStatusBar::setUrl);
 219     connect(m_view, &DolphinView::zoomLevelChanged,
 220             m_statusBar, &DolphinStatusBar::setZoomLevel);
 221     connect(m_view, &DolphinView::infoMessage,
 222             m_statusBar, &DolphinStatusBar::setText);
 223     connect(m_view, &DolphinView::operationCompletedMessage,
 224             m_statusBar, &DolphinStatusBar::setText);
 225     connect(m_statusBar, &DolphinStatusBar::stopPressed,
 226             this, &DolphinViewContainer::stopDirectoryLoading);
 227     connect(m_statusBar, &DolphinStatusBar::zoomLevelChanged,
 228             this, &DolphinViewContainer::slotStatusBarZoomLevelChanged);
 229
 230     m_statusBarTimer = new QTimer(this);
 231     m_statusBarTimer->setSingleShot(true);
 232     m_statusBarTimer->setInterval(300);
 233     connect(m_statusBarTimer, &QTimer::timeout, this, &DolphinViewContainer::updateStatusBar);
 234
 235     KIO::FileUndoManager* undoManager = KIO::FileUndoManager::self();
 236     connect(undoManager, &KIO::FileUndoManager::jobRecordingFinished,
 237             this, &DolphinViewContainer::delayedStatusBarUpdate);
 238
 239     navigatorLayout->addWidget(m_urlNavigator);
 240     navigatorLayout->addWidget(m_emptyTrashButton);
 241
 242     m_topLayout->addWidget(m_navigatorWidget);
 243     m_topLayout->addWidget(m_searchBox);
 244     m_topLayout->addWidget(m_messageWidget);
 245     m_topLayout->addWidget(m_view);
 246     m_topLayout->addWidget(m_filterBar);
 247     m_topLayout->addWidget(m_statusBar);
 248
 249     setSearchModeEnabled(isSearchUrl(url));
 250
 251     // Initialize kactivities resource instance
 252
 253 #ifdef HAVE_KACTIVITIES
 254     m_activityResourceInstance = new KActivities::ResourceInstance(window()->winId(), url);
 255     m_activityResourceInstance->setParent(this);
 256 #endif
 257 }
 258
 259 DolphinViewContainer::~DolphinViewContainer()
 260 {
 261 }
 262
 263 QUrl DolphinViewContainer::url() const
 264 {
 265     return m_view->url();
 266 }
 267
 268 void DolphinViewContainer::setActive(bool active)
 269 {
 270     m_searchBox->setActive(active);
 271     m_urlNavigator->setActive(active);
 272     m_view->setActive(active);
 273
 274 #ifdef HAVE_KACTIVITIES
 275     if (active) {
 276         m_activityResourceInstance->notifyFocusedIn();
 277     } else {
 278         m_activityResourceInstance->notifyFocusedOut();
 279     }
 280 #endif
 281 }
 282
 283 bool DolphinViewContainer::isActive() const
 284 {
 285     Q_ASSERT(m_view->isActive() == m_urlNavigator->isActive());
 286     return m_view->isActive();
 287 }
 288
 289 void DolphinViewContainer::setAutoGrabFocus(bool grab)
 290 {
 291     m_autoGrabFocus = grab;
 292 }
 293
 294 bool DolphinViewContainer::autoGrabFocus() const
 295 {
 296     return m_autoGrabFocus;
 297 }
 298
 299 QString DolphinViewContainer::currentSearchText() const
 300 {
 301      return m_searchBox->text();
 302 }
 303
 304 const DolphinStatusBar* DolphinViewContainer::statusBar() const
 305 {
 306     return m_statusBar;
 307 }
 308
 309 DolphinStatusBar* DolphinViewContainer::statusBar()
 310 {
 311     return m_statusBar;
 312 }
 313
 314 const KUrlNavigator* DolphinViewContainer::urlNavigator() const
 315 {
 316     return m_urlNavigator;
 317 }
 318
 319 KUrlNavigator* DolphinViewContainer::urlNavigator()
 320 {
 321     return m_urlNavigator;
 322 }
 323
 324 const DolphinView* DolphinViewContainer::view() const
 325 {
 326     return m_view;
 327 }
 328
 329 DolphinView* DolphinViewContainer::view()
 330 {
 331     return m_view;
 332 }
 333
 334 void DolphinViewContainer::showMessage(const QString& msg, MessageType type)
 335 {
 336     if (msg.isEmpty()) {
 337         return;
 338     }
 339
 340     m_messageWidget->setText(msg);
 341
 342     // TODO: wrap at arbitrary character positions once QLabel can do this
 343     // https://bugreports.qt.io/browse/QTBUG-1276
 344     m_messageWidget->setWordWrap(true);
 345
 346     switch (type) {
 347     case Information: m_messageWidget->setMessageType(KMessageWidget::Information); break;
 348     case Warning:     m_messageWidget->setMessageType(KMessageWidget::Warning); break;
 349     case Error:       m_messageWidget->setMessageType(KMessageWidget::Error); break;
 350     default:
 351         Q_ASSERT(false);
 352         break;
 353     }
 354
 355     m_messageWidget->setWordWrap(false);
 356     const int unwrappedWidth = m_messageWidget->sizeHint().width();
 357     m_messageWidget->setWordWrap(unwrappedWidth > size().width());
 358
 359     if (m_messageWidget->isVisible()) {
 360         m_messageWidget->hide();
 361     }
 362     m_messageWidget->animatedShow();
 363 }
 364
 365 void DolphinViewContainer::readSettings()
 366 {
 367     if (GeneralSettings::modifiedStartupSettings()) {
 368         // The startup settings should only get applied if they have been
 369         // modified by the user. Otherwise keep the (possibly) different current
 370         // settings of the URL navigator and the filterbar.
 371         m_urlNavigator->setUrlEditable(GeneralSettings::editableUrl());
 372         m_urlNavigator->setShowFullPath(GeneralSettings::showFullPath());
 373         m_urlNavigator->setHomeUrl(Dolphin::homeUrl());
 374         setFilterBarVisible(GeneralSettings::filterBar());
 375     }
 376
 377     m_view->readSettings();
 378     m_statusBar->readSettings();
 379 }
 380
 381 bool DolphinViewContainer::isFilterBarVisible() const
 382 {
 383     return m_filterBar->isVisible();
 384 }
 385
 386 void DolphinViewContainer::setSearchModeEnabled(bool enabled)
 387 {
 388     m_searchBox->setVisible(enabled);
 389     m_navigatorWidget->setVisible(!enabled);
 390
 391     if (enabled) {
 392         const QUrl& locationUrl = m_urlNavigator->locationUrl();
 393         m_searchBox->fromSearchUrl(locationUrl);
 394     }
 395
 396     if (enabled == isSearchModeEnabled()) {
 397         if (enabled && !m_searchBox->hasFocus()) {
 398             m_searchBox->setFocus();
 399             m_searchBox->selectAll();
 400         }
 401         return;
 402     }
 403
 404     if (!enabled) {
 405         m_view->setViewPropertiesContext(QString());
 406
 407         // Restore the URL for the URL navigator. If Dolphin has been
 408         // started with a search-URL, the home URL is used as fallback.
 409         QUrl url = m_searchBox->searchPath();
 410         if (url.isEmpty() || !url.isValid() || isSearchUrl(url)) {
 411             url = Dolphin::homeUrl();
 412         }
 413         m_urlNavigator->setLocationUrl(url);
 414     }
 415
 416     m_searchModeEnabled = enabled;
 417
 418     emit searchModeEnabledChanged(enabled);
 419 }
 420
 421 bool DolphinViewContainer::isSearchModeEnabled() const
 422 {
 423     return m_searchModeEnabled;
 424 }
 425
 426 QString DolphinViewContainer::placesText() const
 427 {
 428     QString text;
 429
 430     if (isSearchModeEnabled()) {
 431         text = i18n("Search for %1 in %2", m_searchBox->text(), m_searchBox->searchPath().fileName());
 432     } else {
 433         text = url().adjusted(QUrl::StripTrailingSlash).fileName();
 434         if (text.isEmpty()) {
 435             text = url().host();
 436         }
 437         if (text.isEmpty()) {
 438             text = url().scheme();
 439         }
 440     }
 441
 442     return text;
 443 }
 444
 445 void DolphinViewContainer::reload()
 446 {
 447     view()->reload();
 448     m_messageWidget->hide();
 449 }
 450
 451 QString DolphinViewContainer::caption() const
 452 {
 453     if (GeneralSettings::showFullPathInTitlebar()) {
 454         if (!url().isLocalFile()) {
 455             return url().adjusted(QUrl::StripTrailingSlash).toString();
 456         }
 457         return url().adjusted(QUrl::StripTrailingSlash).path();
 458     }
 459
 460     KFilePlacesModel *placesModel = DolphinPlacesModelSingleton::instance().placesModel();
 461     const auto& matchedPlaces = placesModel->match(placesModel->index(0,0), KFilePlacesModel::UrlRole, QUrl(url().adjusted(QUrl::StripTrailingSlash).toString(QUrl::FullyEncoded).append("/?")), 1, Qt::MatchRegExp);
 462
 463     if (!matchedPlaces.isEmpty()) {
 464         return placesModel->text(matchedPlaces.first());
 465     }
 466
 467     if (isSearchModeEnabled()) {
 468         if (currentSearchText().isEmpty()){
 469             return i18n("Search");
 470         } else {
 471             return i18n("Search for %1", currentSearchText());
 472         }
 473     }
 474
 475     if (!url().isLocalFile()) {
 476         QUrl adjustedUrl = url().adjusted(QUrl::StripTrailingSlash);
 477         QString caption;
 478         if (!adjustedUrl.fileName().isEmpty()) {
 479             caption = adjustedUrl.fileName();
 480         } else if (!adjustedUrl.path().isEmpty() && adjustedUrl.path() != "/") {
 481             caption = adjustedUrl.path();
 482         } else if (!adjustedUrl.host().isEmpty()) {
 483             caption = adjustedUrl.host();
 484         } else {
 485             caption = adjustedUrl.toString();
 486         }
 487         return caption;
 488     }
 489
 490     QString fileName = url().adjusted(QUrl::StripTrailingSlash).fileName();
 491     if (fileName.isEmpty()) {
 492         fileName = '/';
 493     }
 494
 495     return fileName;
 496 }
 497
 498 void DolphinViewContainer::setUrl(const QUrl& newUrl)
 499 {
 500     if (newUrl != m_urlNavigator->locationUrl()) {
 501         m_urlNavigator->setLocationUrl(newUrl);
 502     }
 503
 504 #ifdef HAVE_KACTIVITIES
 505     m_activityResourceInstance->setUri(newUrl);
 506 #endif
 507 }
 508
 509 void DolphinViewContainer::setFilterBarVisible(bool visible)
 510 {
 511     Q_ASSERT(m_filterBar);
 512     if (visible) {
 513         m_view->hideToolTip(ToolTipManager::HideBehavior::Instantly);
 514         m_filterBar->show();
 515         m_filterBar->setFocus();
 516         m_filterBar->selectAll();
 517     } else {
 518         closeFilterBar();
 519     }
 520 }
 521
 522 void DolphinViewContainer::delayedStatusBarUpdate()
 523 {
 524     if (m_statusBarTimer->isActive() && (m_statusBarTimestamp.elapsed() > 2000)) {
 525         // No update of the statusbar has been done during the last 2 seconds,
 526         // although an update has been requested. Trigger an immediate update.
 527         m_statusBarTimer->stop();
 528         updateStatusBar();
 529     } else {
 530         // Invoke updateStatusBar() with a small delay. This assures that
 531         // when a lot of delayedStatusBarUpdates() are done in a short time,
 532         // no bottleneck is given.
 533         m_statusBarTimer->start();
 534     }
 535 }
 536
 537 void DolphinViewContainer::updateStatusBar()
 538 {
 539     m_statusBarTimestamp.start();
 540
 541     const QString text = m_view->statusBarText();
 542     m_statusBar->setDefaultText(text);
 543     m_statusBar->resetToDefaultText();
 544 }
 545
 546 void DolphinViewContainer::updateDirectoryLoadingProgress(int percent)
 547 {
 548     if (m_statusBar->progressText().isEmpty()) {
 549         m_statusBar->setProgressText(i18nc("@info:progress", "Loading folder..."));
 550     }
 551     m_statusBar->setProgress(percent);
 552 }
 553
 554 void DolphinViewContainer::updateDirectorySortingProgress(int percent)
 555 {
 556     if (m_statusBar->progressText().isEmpty()) {
 557         m_statusBar->setProgressText(i18nc("@info:progress", "Sorting..."));
 558     }
 559     m_statusBar->setProgress(percent);
 560 }
 561
 562 void DolphinViewContainer::slotDirectoryLoadingStarted()
 563 {
 564     if (isSearchUrl(url())) {
 565         // Search KIO-slaves usually don't provide any progress information. Give
 566         // a hint to the user that a searching is done:
 567         updateStatusBar();
 568         m_statusBar->setProgressText(i18nc("@info", "Searching..."));
 569         m_statusBar->setProgress(-1);
 570     } else {
 571         // Trigger an undetermined progress indication. The progress
 572         // information in percent will be triggered by the percent() signal
 573         // of the directory lister later.
 574         m_statusBar->setProgressText(QString());
 575         updateDirectoryLoadingProgress(-1);
 576     }
 577 }
 578
 579 void DolphinViewContainer::slotDirectoryLoadingCompleted()
 580 {
 581     if (!m_statusBar->progressText().isEmpty()) {
 582         m_statusBar->setProgressText(QString());
 583         m_statusBar->setProgress(100);
 584     }
 585
 586     if (isSearchUrl(url()) && m_view->itemsCount() == 0) {
 587         // The dir lister has been completed on a Baloo-URI and no items have been found. Instead
 588         // of showing the default status bar information ("0 items") a more helpful information is given:
 589         m_statusBar->setText(i18nc("@info:status", "No items found."));
 590     } else {
 591         updateStatusBar();
 592     }
 593 }
 594
 595 void DolphinViewContainer::slotDirectoryLoadingCanceled()
 596 {
 597     if (!m_statusBar->progressText().isEmpty()) {
 598         m_statusBar->setProgressText(QString());
 599         m_statusBar->setProgress(100);
 600     }
 601
 602     m_statusBar->setText(QString());
 603 }
 604
 605 void DolphinViewContainer::slotUrlIsFileError(const QUrl& url)
 606 {
 607     const KFileItem item(url);
 608
 609     // Find out if the file can be opened in the view (for example, this is the
 610     // case if the file is an archive). The mime type must be known for that.
 611     item.determineMimeType();
 612     const QUrl& folderUrl = DolphinView::openItemAsFolderUrl(item, true);
 613     if (!folderUrl.isEmpty()) {
 614         setUrl(folderUrl);
 615     } else {
 616         slotItemActivated(item);
 617     }
 618 }
 619
 620 void DolphinViewContainer::slotItemActivated(const KFileItem& item)
 621 {
 622     // It is possible to activate items on inactive views by
 623     // drag & drop operations. Assure that activating an item always
 624     // results in an active view.
 625     m_view->setActive(true);
 626
 627     const QUrl& url = DolphinView::openItemAsFolderUrl(item, GeneralSettings::browseThroughArchives());
 628     if (!url.isEmpty()) {
 629         setUrl(url);
 630         return;
 631     }
 632
 633     KRun *run = new KRun(item.targetUrl(), this);
 634     run->setShowScriptExecutionPrompt(true);
 635 }
 636
 637 void DolphinViewContainer::slotItemsActivated(const KFileItemList& items)
 638 {
 639     Q_ASSERT(items.count() >= 2);
 640
 641     KFileItemActions fileItemActions(this);
 642     fileItemActions.runPreferredApplications(items, QString());
 643 }
 644
 645 void DolphinViewContainer::showItemInfo(const KFileItem& item)
 646 {
 647     if (item.isNull()) {
 648         m_statusBar->resetToDefaultText();
 649     } else {
 650         m_statusBar->setText(item.getStatusBarInfo());
 651     }
 652 }
 653
 654 void DolphinViewContainer::closeFilterBar()
 655 {
 656     m_filterBar->closeFilterBar();
 657     m_view->setFocus();
 658     emit showFilterBarChanged(false);
 659 }
 660
 661 void DolphinViewContainer::setNameFilter(const QString& nameFilter)
 662 {
 663     m_view->hideToolTip(ToolTipManager::HideBehavior::Instantly);
 664     m_view->setNameFilter(nameFilter);
 665     delayedStatusBarUpdate();
 666 }
 667
 668 void DolphinViewContainer::activate()
 669 {
 670     setActive(true);
 671 }
 672
 673 void DolphinViewContainer::slotUrlNavigatorLocationAboutToBeChanged(const QUrl&)
 674 {
 675     saveViewState();
 676 }
 677
 678 void DolphinViewContainer::slotUrlNavigatorLocationChanged(const QUrl& url)
 679 {
 680     slotReturnPressed();
 681
 682     if (KProtocolManager::supportsListing(url)) {
 683         setSearchModeEnabled(isSearchUrl(url));
 684         m_view->setUrl(url);
 685         tryRestoreViewState();
 686
 687         if (m_autoGrabFocus && isActive() && !isSearchUrl(url)) {
 688             // When an URL has been entered, the view should get the focus.
 689             // The focus must be requested asynchronously, as changing the URL might create
 690             // a new view widget.
 691             QTimer::singleShot(0, this, &DolphinViewContainer::requestFocus);
 692         }
 693     } else if (KProtocolManager::isSourceProtocol(url)) {
 694         QString app = QStringLiteral("konqueror");
 695         if (url.scheme().startsWith(QLatin1String("http"))) {
 696             showMessage(i18nc("@info:status", // krazy:exclude=qmethods
 697                               "Dolphin does not support web pages, the web browser has been launched"),
 698                         Information);
 699
 700             const KConfigGroup config(KSharedConfig::openConfig(QStringLiteral("kdeglobals")), "General");
 701             const QString browser = config.readEntry("BrowserApplication");
 702             if (!browser.isEmpty()) {
 703                 app = browser;
 704                 if (app.startsWith('!')) {
 705                     // a literal command has been configured, remove the '!' prefix
 706                     app.remove(0, 1);
 707                 }
 708             }
 709         } else {
 710             showMessage(i18nc("@info:status",
 711                               "Protocol not supported by Dolphin, Konqueror has been launched"),
 712                         Information);
 713         }
 714
 715         const QString secureUrl = KShell::quoteArg(url.toDisplayString(QUrl::PreferLocalFile));
 716         const QString command = app + ' ' + secureUrl;
 717         KRun::runCommand(command, app, app, this);
 718     } else {
 719         showMessage(i18nc("@info:status", "Invalid protocol"), Error);
 720     }
 721 }
 722
 723 void DolphinViewContainer::slotUrlSelectionRequested(const QUrl& url)
 724 {
 725     m_view->markUrlsAsSelected({url});
 726     m_view->markUrlAsCurrent(url); // makes the item scroll into view
 727 }
 728
 729 void DolphinViewContainer::redirect(const QUrl& oldUrl, const QUrl& newUrl)
 730 {
 731     Q_UNUSED(oldUrl)
 732     const bool block = m_urlNavigator->signalsBlocked();
 733     m_urlNavigator->blockSignals(true);
 734
 735     // Assure that the location state is reset for redirection URLs. This
 736     // allows to skip redirection URLs when going back or forward in the
 737     // URL history.
 738     m_urlNavigator->saveLocationState(QByteArray());
 739     m_urlNavigator->setLocationUrl(newUrl);
 740     setSearchModeEnabled(isSearchUrl(newUrl));
 741
 742     m_urlNavigator->blockSignals(block);
 743 }
 744
 745 void DolphinViewContainer::requestFocus()
 746 {
 747     m_view->setFocus();
 748 }
 749
 750 void DolphinViewContainer::saveUrlCompletionMode(KCompletion::CompletionMode completion)
 751 {
 752     GeneralSettings::setUrlCompletionMode(completion);
 753 }
 754
 755 void DolphinViewContainer::slotReturnPressed()
 756 {
 757     if (!GeneralSettings::editableUrl()) {
 758         m_urlNavigator->setUrlEditable(false);
 759     }
 760 }
 761
 762 void DolphinViewContainer::startSearching()
 763 {
 764     const QUrl url = m_searchBox->urlForSearching();
 765     if (url.isValid() && !url.isEmpty()) {
 766         m_view->setViewPropertiesContext(QStringLiteral("search"));
 767         m_urlNavigator->setLocationUrl(url);
 768     }
 769 }
 770
 771 void DolphinViewContainer::closeSearchBox()
 772 {
 773     setSearchModeEnabled(false);
 774 }
 775
 776 void DolphinViewContainer::stopDirectoryLoading()
 777 {
 778     m_view->stopLoading();
 779     m_statusBar->setProgress(100);
 780 }
 781
 782 void DolphinViewContainer::slotStatusBarZoomLevelChanged(int zoomLevel)
 783 {
 784     m_view->setZoomLevel(zoomLevel);
 785 }
 786
 787 void DolphinViewContainer::showErrorMessage(const QString& msg)
 788 {
 789     showMessage(msg, Error);
 790 }
 791
 792 bool DolphinViewContainer::isSearchUrl(const QUrl& url) const
 793 {
 794     return url.scheme().contains(QLatin1String("search"));
 795 }
 796
 797 void DolphinViewContainer::saveViewState()
 798 {
 799     QByteArray locationState;
 800     QDataStream stream(&locationState, QIODevice::WriteOnly);
 801     m_view->saveState(stream);
 802     m_urlNavigator->saveLocationState(locationState);
 803 }
 804
 805 void DolphinViewContainer::tryRestoreViewState()
 806 {
 807     QByteArray locationState = m_urlNavigator->locationState();
 808     if (!locationState.isEmpty()) {
 809         QDataStream stream(&locationState, QIODevice::ReadOnly);
 810         m_view->restoreState(stream);
 811     }
 812 }