src/dolphinviewcontainer.cpp

   1 /*
   2  * SPDX-FileCopyrightText: 2007 Peter Penz <peter.penz19@gmail.com>
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-or-later
   5  */
   6
   7 #include "dolphinviewcontainer.h"
   8
   9 #include "dolphin_generalsettings.h"
  10 #include "dolphindebug.h"
  11 #include "dolphinplacesmodelsingleton.h"
  12 #include "filterbar/filterbar.h"
  13 #include "global.h"
  14 #include "search/dolphinsearchbox.h"
  15 #include "statusbar/dolphinstatusbar.h"
  16 #include "views/viewmodecontroller.h"
  17 #include "views/viewproperties.h"
  18 #include "dolphin_detailsmodesettings.h"
  19
  20 #ifdef HAVE_KACTIVITIES
  21 #include <KActivities/ResourceInstance>
  22 #endif
  23 #include <KFileItemActions>
  24 #include <KFilePlacesModel>
  25 #include <KIO/PreviewJob>
  26 #include <KIO/OpenUrlJob>
  27 #include <KIO/JobUiDelegate>
  28 #include <KLocalizedString>
  29 #include <KMessageWidget>
  30 #include <KProtocolManager>
  31 #include <KShell>
  32 #include <KUrlComboBox>
  33 #include <KUrlNavigator>
  34
  35 #include <QDropEvent>
  36 #include <QLoggingCategory>
  37 #include <QMimeData>
  38 #include <QTimer>
  39 #include <QUrl>
  40 #include <QVBoxLayout>
  41 #include <QDesktopServices>
  42
  43 DolphinViewContainer::DolphinViewContainer(const QUrl& url, QWidget* parent) :
  44     QWidget(parent),
  45     m_topLayout(nullptr),
  46     m_urlNavigator{new DolphinUrlNavigator(url)},
  47     m_urlNavigatorConnected{nullptr},
  48     m_searchBox(nullptr),
  49     m_searchModeEnabled(false),
  50     m_messageWidget(nullptr),
  51     m_view(nullptr),
  52     m_filterBar(nullptr),
  53     m_statusBar(nullptr),
  54     m_statusBarTimer(nullptr),
  55     m_statusBarTimestamp(),
  56     m_autoGrabFocus(true)
  57 #ifdef HAVE_KACTIVITIES
  58     , m_activityResourceInstance(nullptr)
  59 #endif
  60 {
  61     hide();
  62
  63     m_topLayout = new QVBoxLayout(this);
  64     m_topLayout->setSpacing(0);
  65     m_topLayout->setContentsMargins(0, 0, 0, 0);
  66
  67     m_searchBox = new DolphinSearchBox(this);
  68     m_searchBox->hide();
  69     connect(m_searchBox, &DolphinSearchBox::activated, this, &DolphinViewContainer::activate);
  70     connect(m_searchBox, &DolphinSearchBox::closeRequest, this, &DolphinViewContainer::closeSearchBox);
  71     connect(m_searchBox, &DolphinSearchBox::searchRequest, this, &DolphinViewContainer::startSearching);
  72     connect(m_searchBox, &DolphinSearchBox::focusViewRequest, this, &DolphinViewContainer::requestFocus);
  73     m_searchBox->setWhatsThis(xi18nc("@info:whatsthis findbar",
  74         "<para>This helps you find files and folders. Enter a <emphasis>"
  75         "search term</emphasis> and specify search settings with the "
  76         "buttons at the bottom:<list><item>Filename/Content: "
  77         "Does the item you are looking for contain the search terms "
  78         "within its filename or its contents?<nl/>The contents of images, "
  79         "audio files and videos will not be searched.</item><item>"
  80         "From Here/Everywhere: Do you want to search in this "
  81         "folder and its sub-folders or everywhere?</item><item>"
  82         "More Options: Click this to search by media type, access "
  83         "time or rating.</item><item>More Search Tools: Install other "
  84         "means to find an item.</item></list></para>"));
  85
  86     m_messageWidget = new KMessageWidget(this);
  87     m_messageWidget->setCloseButtonVisible(true);
  88     m_messageWidget->hide();
  89
  90 #ifndef Q_OS_WIN
  91     if (getuid() == 0) {
  92
  93         // We must be logged in as the root user; show a big scary warning
  94         showMessage(i18n("Running Dolphin as root can be dangerous. Please be careful."), Warning);
  95     }
  96 #endif
  97
  98     // Initialize filter bar
  99     m_filterBar = new FilterBar(this);
 100     m_filterBar->setVisible(GeneralSettings::filterBar());
 101
 102     connect(m_filterBar, &FilterBar::filterChanged,
 103             this, &DolphinViewContainer::setNameFilter);
 104     connect(m_filterBar, &FilterBar::closeRequest,
 105             this, &DolphinViewContainer::closeFilterBar);
 106     connect(m_filterBar, &FilterBar::focusViewRequest,
 107             this, &DolphinViewContainer::requestFocus);
 108
 109     // Initialize the main view
 110     m_view = new DolphinView(url, this);
 111     connect(m_view, &DolphinView::urlChanged,
 112             m_filterBar, &FilterBar::slotUrlChanged);
 113     connect(m_view, &DolphinView::urlChanged,
 114             m_messageWidget, &KMessageWidget::hide);
 115     // m_urlNavigator stays in sync with m_view's location changes and
 116     // keeps track of them so going back and forth in the history works.
 117     connect(m_view, &DolphinView::urlChanged,
 118             m_urlNavigator.get(), &DolphinUrlNavigator::setLocationUrl);
 119     connect(m_urlNavigator.get(), &DolphinUrlNavigator::urlChanged,
 120             this, &DolphinViewContainer::slotUrlNavigatorLocationChanged);
 121     connect(m_view, &DolphinView::writeStateChanged,
 122             this, &DolphinViewContainer::writeStateChanged);
 123     connect(m_view, &DolphinView::requestItemInfo,
 124             this, &DolphinViewContainer::showItemInfo);
 125     connect(m_view, &DolphinView::itemActivated,
 126             this, &DolphinViewContainer::slotItemActivated);
 127     connect(m_view, &DolphinView::itemsActivated,
 128             this, &DolphinViewContainer::slotItemsActivated);
 129     connect(m_view, &DolphinView::redirection,
 130             this, &DolphinViewContainer::redirect);
 131     connect(m_view, &DolphinView::directoryLoadingStarted,
 132             this, &DolphinViewContainer::slotDirectoryLoadingStarted);
 133     connect(m_view, &DolphinView::directoryLoadingCompleted,
 134             this, &DolphinViewContainer::slotDirectoryLoadingCompleted);
 135     connect(m_view, &DolphinView::directoryLoadingCanceled,
 136             this, &DolphinViewContainer::slotDirectoryLoadingCanceled);
 137     connect(m_view, &DolphinView::itemCountChanged,
 138             this, &DolphinViewContainer::delayedStatusBarUpdate);
 139     connect(m_view, &DolphinView::directoryLoadingProgress,
 140             this, &DolphinViewContainer::updateDirectoryLoadingProgress);
 141     connect(m_view, &DolphinView::directorySortingProgress,
 142             this, &DolphinViewContainer::updateDirectorySortingProgress);
 143     connect(m_view, &DolphinView::selectionChanged,
 144             this, &DolphinViewContainer::delayedStatusBarUpdate);
 145     connect(m_view, &DolphinView::errorMessage,
 146             this, &DolphinViewContainer::showErrorMessage);
 147     connect(m_view, &DolphinView::urlIsFileError,
 148             this, &DolphinViewContainer::slotUrlIsFileError);
 149     connect(m_view, &DolphinView::activated,
 150             this, &DolphinViewContainer::activate);
 151
 152     // Initialize status bar
 153     m_statusBar = new DolphinStatusBar(this);
 154     m_statusBar->setUrl(m_view->url());
 155     m_statusBar->setZoomLevel(m_view->zoomLevel());
 156     connect(m_view, &DolphinView::urlChanged,
 157             m_statusBar, &DolphinStatusBar::setUrl);
 158     connect(m_view, &DolphinView::zoomLevelChanged,
 159             m_statusBar, &DolphinStatusBar::setZoomLevel);
 160     connect(m_view, &DolphinView::infoMessage,
 161             m_statusBar, &DolphinStatusBar::setText);
 162     connect(m_view, &DolphinView::operationCompletedMessage,
 163             m_statusBar, &DolphinStatusBar::setText);
 164     connect(m_statusBar, &DolphinStatusBar::stopPressed,
 165             this, &DolphinViewContainer::stopDirectoryLoading);
 166     connect(m_statusBar, &DolphinStatusBar::zoomLevelChanged,
 167             this, &DolphinViewContainer::slotStatusBarZoomLevelChanged);
 168
 169     m_statusBarTimer = new QTimer(this);
 170     m_statusBarTimer->setSingleShot(true);
 171     m_statusBarTimer->setInterval(300);
 172     connect(m_statusBarTimer, &QTimer::timeout, this, &DolphinViewContainer::updateStatusBar);
 173
 174     KIO::FileUndoManager* undoManager = KIO::FileUndoManager::self();
 175     connect(undoManager, &KIO::FileUndoManager::jobRecordingFinished,
 176             this, &DolphinViewContainer::delayedStatusBarUpdate);
 177
 178     m_topLayout->addWidget(m_searchBox);
 179     m_topLayout->addWidget(m_messageWidget);
 180     m_topLayout->addWidget(m_view);
 181     m_topLayout->addWidget(m_filterBar);
 182     m_topLayout->addWidget(m_statusBar);
 183
 184     setSearchModeEnabled(isSearchUrl(url));
 185
 186     connect(DetailsModeSettings::self(), &KCoreConfigSkeleton::configChanged, this, [=]() {
 187         if (view()->mode() == DolphinView::Mode::DetailsView) {
 188             view()->reload();
 189         }
 190     });
 191
 192     // Initialize kactivities resource instance
 193
 194 #ifdef HAVE_KACTIVITIES
 195     m_activityResourceInstance = new KActivities::ResourceInstance(window()->winId(), url);
 196     m_activityResourceInstance->setParent(this);
 197 #endif
 198 }
 199
 200 DolphinViewContainer::~DolphinViewContainer()
 201 {
 202 }
 203
 204 QUrl DolphinViewContainer::url() const
 205 {
 206     return m_view->url();
 207 }
 208
 209 void DolphinViewContainer::setActive(bool active)
 210 {
 211     m_searchBox->setActive(active);
 212     if (m_urlNavigatorConnected) {
 213         m_urlNavigatorConnected->setActive(active);
 214     }
 215     m_view->setActive(active);
 216
 217 #ifdef HAVE_KACTIVITIES
 218     if (active) {
 219         m_activityResourceInstance->notifyFocusedIn();
 220     } else {
 221         m_activityResourceInstance->notifyFocusedOut();
 222     }
 223 #endif
 224 }
 225
 226 bool DolphinViewContainer::isActive() const
 227 {
 228     return m_view->isActive();
 229 }
 230
 231 void DolphinViewContainer::setAutoGrabFocus(bool grab)
 232 {
 233     m_autoGrabFocus = grab;
 234 }
 235
 236 bool DolphinViewContainer::autoGrabFocus() const
 237 {
 238     return m_autoGrabFocus;
 239 }
 240
 241 QString DolphinViewContainer::currentSearchText() const
 242 {
 243      return m_searchBox->text();
 244 }
 245
 246 const DolphinStatusBar* DolphinViewContainer::statusBar() const
 247 {
 248     return m_statusBar;
 249 }
 250
 251 DolphinStatusBar* DolphinViewContainer::statusBar()
 252 {
 253     return m_statusBar;
 254 }
 255
 256 const DolphinUrlNavigator* DolphinViewContainer::urlNavigator() const
 257 {
 258     return m_urlNavigatorConnected;
 259 }
 260
 261 DolphinUrlNavigator* DolphinViewContainer::urlNavigator()
 262 {
 263     return m_urlNavigatorConnected;
 264 }
 265
 266 const DolphinUrlNavigator *DolphinViewContainer::urlNavigatorInternalWithHistory() const
 267 {
 268     return m_urlNavigator.get();
 269 }
 270
 271 DolphinUrlNavigator *DolphinViewContainer::urlNavigatorInternalWithHistory()
 272 {
 273     return m_urlNavigator.get();
 274 }
 275
 276 const DolphinView* DolphinViewContainer::view() const
 277 {
 278     return m_view;
 279 }
 280
 281 DolphinView* DolphinViewContainer::view()
 282 {
 283     return m_view;
 284 }
 285
 286 void DolphinViewContainer::connectUrlNavigator(DolphinUrlNavigator *urlNavigator)
 287 {
 288     Q_CHECK_PTR(urlNavigator);
 289     Q_ASSERT(!m_urlNavigatorConnected);
 290     Q_ASSERT(m_urlNavigator.get() != urlNavigator);
 291     Q_CHECK_PTR(m_view);
 292
 293     urlNavigator->setLocationUrl(m_view->url());
 294     if (m_urlNavigatorVisualState) {
 295         urlNavigator->setVisualState(*m_urlNavigatorVisualState.get());
 296         m_urlNavigatorVisualState.reset();
 297     }
 298     urlNavigator->setActive(isActive());
 299
 300     connect(m_view, &DolphinView::urlChanged,
 301             urlNavigator, &DolphinUrlNavigator::setLocationUrl);
 302     connect(urlNavigator, &DolphinUrlNavigator::urlChanged,
 303             this, &DolphinViewContainer::slotUrlNavigatorLocationChanged);
 304     connect(urlNavigator, &DolphinUrlNavigator::activated,
 305             this, &DolphinViewContainer::activate);
 306     connect(urlNavigator, &DolphinUrlNavigator::urlAboutToBeChanged,
 307             this, &DolphinViewContainer::slotUrlNavigatorLocationAboutToBeChanged);
 308     connect(urlNavigator, &DolphinUrlNavigator::urlSelectionRequested,
 309             this, &DolphinViewContainer::slotUrlSelectionRequested);
 310     connect(urlNavigator, &DolphinUrlNavigator::urlsDropped,
 311             this, [=](const QUrl &destination, QDropEvent *event) {
 312         m_view->dropUrls(destination, event, urlNavigator->dropWidget());
 313     });
 314
 315     m_urlNavigatorConnected = urlNavigator;
 316 }
 317
 318 void DolphinViewContainer::disconnectUrlNavigator()
 319 {
 320     if (!m_urlNavigatorConnected) {
 321         return;
 322     }
 323
 324     disconnect(m_view, &DolphinView::urlChanged,
 325                m_urlNavigatorConnected, &DolphinUrlNavigator::setLocationUrl);
 326     disconnect(m_urlNavigatorConnected, &DolphinUrlNavigator::urlChanged,
 327                this, &DolphinViewContainer::slotUrlNavigatorLocationChanged);
 328     disconnect(m_urlNavigatorConnected, &DolphinUrlNavigator::activated,
 329                this, &DolphinViewContainer::activate);
 330     disconnect(m_urlNavigatorConnected, &DolphinUrlNavigator::urlAboutToBeChanged,
 331                this, &DolphinViewContainer::slotUrlNavigatorLocationAboutToBeChanged);
 332     disconnect(m_urlNavigatorConnected, &DolphinUrlNavigator::urlSelectionRequested,
 333                this, &DolphinViewContainer::slotUrlSelectionRequested);
 334     disconnect(m_urlNavigatorConnected, &DolphinUrlNavigator::urlsDropped,
 335                this, nullptr);
 336
 337     m_urlNavigatorVisualState = m_urlNavigatorConnected->visualState();
 338     m_urlNavigatorConnected = nullptr;
 339 }
 340
 341 void DolphinViewContainer::showMessage(const QString& msg, MessageType type)
 342 {
 343     if (msg.isEmpty()) {
 344         return;
 345     }
 346
 347     m_messageWidget->setText(msg);
 348
 349     // TODO: wrap at arbitrary character positions once QLabel can do this
 350     // https://bugreports.qt.io/browse/QTBUG-1276
 351     m_messageWidget->setWordWrap(true);
 352
 353     switch (type) {
 354     case Information: m_messageWidget->setMessageType(KMessageWidget::Information); break;
 355     case Warning:     m_messageWidget->setMessageType(KMessageWidget::Warning); break;
 356     case Error:       m_messageWidget->setMessageType(KMessageWidget::Error); break;
 357     default:
 358         Q_ASSERT(false);
 359         break;
 360     }
 361
 362     m_messageWidget->setWordWrap(false);
 363     const int unwrappedWidth = m_messageWidget->sizeHint().width();
 364     m_messageWidget->setWordWrap(unwrappedWidth > size().width());
 365
 366     if (m_messageWidget->isVisible()) {
 367         m_messageWidget->hide();
 368     }
 369     m_messageWidget->animatedShow();
 370 }
 371
 372 void DolphinViewContainer::readSettings()
 373 {
 374     // The startup settings should (only) get applied if they have been
 375     // modified by the user. Otherwise keep the (possibly) different current
 376     // setting of the filterbar.
 377     if (GeneralSettings::modifiedStartupSettings()) {
 378         setFilterBarVisible(GeneralSettings::filterBar());
 379     }
 380
 381     m_view->readSettings();
 382     m_statusBar->readSettings();
 383 }
 384
 385 bool DolphinViewContainer::isFilterBarVisible() const
 386 {
 387     return m_filterBar->isVisible();
 388 }
 389
 390 void DolphinViewContainer::setSearchModeEnabled(bool enabled)
 391 {
 392     m_searchBox->setVisible(enabled);
 393
 394     if (enabled) {
 395         const QUrl& locationUrl = m_urlNavigatorConnected->locationUrl();
 396         m_searchBox->fromSearchUrl(locationUrl);
 397     }
 398
 399     if (enabled == isSearchModeEnabled()) {
 400         if (enabled && !m_searchBox->hasFocus()) {
 401             m_searchBox->setFocus();
 402             m_searchBox->selectAll();
 403         }
 404         return;
 405     }
 406
 407     if (!enabled) {
 408         m_view->setViewPropertiesContext(QString());
 409
 410         // Restore the URL for the URL navigator. If Dolphin has been
 411         // started with a search-URL, the home URL is used as fallback.
 412         QUrl url = m_searchBox->searchPath();
 413         if (url.isEmpty() || !url.isValid() || isSearchUrl(url)) {
 414             url = Dolphin::homeUrl();
 415         }
 416         m_urlNavigatorConnected->setLocationUrl(url);
 417     }
 418
 419     m_searchModeEnabled = enabled;
 420
 421     Q_EMIT searchModeEnabledChanged(enabled);
 422 }
 423
 424 bool DolphinViewContainer::isSearchModeEnabled() const
 425 {
 426     return m_searchModeEnabled;
 427 }
 428
 429 QString DolphinViewContainer::placesText() const
 430 {
 431     QString text;
 432
 433     if (isSearchModeEnabled()) {
 434         text = i18n("Search for %1 in %2", m_searchBox->text(), m_searchBox->searchPath().fileName());
 435     } else {
 436         text = url().adjusted(QUrl::StripTrailingSlash).fileName();
 437         if (text.isEmpty()) {
 438             text = url().host();
 439         }
 440         if (text.isEmpty()) {
 441             text = url().scheme();
 442         }
 443     }
 444
 445     return text;
 446 }
 447
 448 void DolphinViewContainer::reload()
 449 {
 450     view()->reload();
 451     m_messageWidget->hide();
 452 }
 453
 454 QString DolphinViewContainer::captionWindowTitle() const
 455 {
 456     if (GeneralSettings::showFullPathInTitlebar() && !isSearchModeEnabled()) {
 457         if (!url().isLocalFile()) {
 458             return url().adjusted(QUrl::StripTrailingSlash).toString();
 459         }
 460         return url().adjusted(QUrl::StripTrailingSlash).path();
 461     } else {
 462         return DolphinViewContainer::caption();
 463     }
 464 }
 465
 466 QString DolphinViewContainer::caption() const
 467 {
 468     if (isSearchModeEnabled()) {
 469         if (currentSearchText().isEmpty()){
 470             return i18n("Search");
 471         } else {
 472             return i18n("Search for %1", currentSearchText());
 473         }
 474     }
 475
 476     KFilePlacesModel *placesModel = DolphinPlacesModelSingleton::instance().placesModel();
 477     const auto& matchedPlaces = placesModel->match(placesModel->index(0,0), KFilePlacesModel::UrlRole, QUrl(url().adjusted(QUrl::StripTrailingSlash).toString(QUrl::FullyEncoded).append("/?")), 1, Qt::MatchRegExp);
 478
 479     if (!matchedPlaces.isEmpty()) {
 480         return placesModel->text(matchedPlaces.first());
 481     }
 482
 483
 484     if (!url().isLocalFile()) {
 485         QUrl adjustedUrl = url().adjusted(QUrl::StripTrailingSlash);
 486         QString caption;
 487         if (!adjustedUrl.fileName().isEmpty()) {
 488             caption = adjustedUrl.fileName();
 489         } else if (!adjustedUrl.path().isEmpty() && adjustedUrl.path() != "/") {
 490             caption = adjustedUrl.path();
 491         } else if (!adjustedUrl.host().isEmpty()) {
 492             caption = adjustedUrl.host();
 493         } else {
 494             caption = adjustedUrl.toString();
 495         }
 496         return caption;
 497     }
 498
 499     QString fileName = url().adjusted(QUrl::StripTrailingSlash).fileName();
 500     if (fileName.isEmpty()) {
 501         fileName = '/';
 502     }
 503
 504     return fileName;
 505 }
 506
 507 void DolphinViewContainer::setUrl(const QUrl& newUrl)
 508 {
 509     if (newUrl != m_urlNavigator->locationUrl()) {
 510         m_urlNavigator->setLocationUrl(newUrl);
 511     }
 512
 513 #ifdef HAVE_KACTIVITIES
 514     m_activityResourceInstance->setUri(newUrl);
 515 #endif
 516 }
 517
 518 void DolphinViewContainer::setFilterBarVisible(bool visible)
 519 {
 520     Q_ASSERT(m_filterBar);
 521     if (visible) {
 522         m_view->hideToolTip(ToolTipManager::HideBehavior::Instantly);
 523         m_filterBar->show();
 524         m_filterBar->setFocus();
 525         m_filterBar->selectAll();
 526     } else {
 527         closeFilterBar();
 528     }
 529 }
 530
 531 void DolphinViewContainer::delayedStatusBarUpdate()
 532 {
 533     if (m_statusBarTimer->isActive() && (m_statusBarTimestamp.elapsed() > 2000)) {
 534         // No update of the statusbar has been done during the last 2 seconds,
 535         // although an update has been requested. Trigger an immediate update.
 536         m_statusBarTimer->stop();
 537         updateStatusBar();
 538     } else {
 539         // Invoke updateStatusBar() with a small delay. This assures that
 540         // when a lot of delayedStatusBarUpdates() are done in a short time,
 541         // no bottleneck is given.
 542         m_statusBarTimer->start();
 543     }
 544 }
 545
 546 void DolphinViewContainer::updateStatusBar()
 547 {
 548     m_statusBarTimestamp.start();
 549
 550     const QString text = m_view->statusBarText();
 551     m_statusBar->setDefaultText(text);
 552     m_statusBar->resetToDefaultText();
 553 }
 554
 555 void DolphinViewContainer::updateDirectoryLoadingProgress(int percent)
 556 {
 557     if (m_statusBar->progressText().isEmpty()) {
 558         m_statusBar->setProgressText(i18nc("@info:progress", "Loading folder..."));
 559     }
 560     m_statusBar->setProgress(percent);
 561 }
 562
 563 void DolphinViewContainer::updateDirectorySortingProgress(int percent)
 564 {
 565     if (m_statusBar->progressText().isEmpty()) {
 566         m_statusBar->setProgressText(i18nc("@info:progress", "Sorting..."));
 567     }
 568     m_statusBar->setProgress(percent);
 569 }
 570
 571 void DolphinViewContainer::slotDirectoryLoadingStarted()
 572 {
 573     if (isSearchUrl(url())) {
 574         // Search KIO-slaves usually don't provide any progress information. Give
 575         // a hint to the user that a searching is done:
 576         updateStatusBar();
 577         m_statusBar->setProgressText(i18nc("@info", "Searching..."));
 578         m_statusBar->setProgress(-1);
 579     } else {
 580         // Trigger an undetermined progress indication. The progress
 581         // information in percent will be triggered by the percent() signal
 582         // of the directory lister later.
 583         m_statusBar->setProgressText(QString());
 584         updateDirectoryLoadingProgress(-1);
 585     }
 586 }
 587
 588 void DolphinViewContainer::slotDirectoryLoadingCompleted()
 589 {
 590     if (!m_statusBar->progressText().isEmpty()) {
 591         m_statusBar->setProgressText(QString());
 592         m_statusBar->setProgress(100);
 593     }
 594
 595     if (isSearchUrl(url()) && m_view->itemsCount() == 0) {
 596         // The dir lister has been completed on a Baloo-URI and no items have been found. Instead
 597         // of showing the default status bar information ("0 items") a more helpful information is given:
 598         m_statusBar->setText(i18nc("@info:status", "No items found."));
 599     } else {
 600         updateStatusBar();
 601     }
 602 }
 603
 604 void DolphinViewContainer::slotDirectoryLoadingCanceled()
 605 {
 606     if (!m_statusBar->progressText().isEmpty()) {
 607         m_statusBar->setProgressText(QString());
 608         m_statusBar->setProgress(100);
 609     }
 610
 611     m_statusBar->setText(QString());
 612 }
 613
 614 void DolphinViewContainer::slotUrlIsFileError(const QUrl& url)
 615 {
 616     const KFileItem item(url);
 617
 618     // Find out if the file can be opened in the view (for example, this is the
 619     // case if the file is an archive). The mime type must be known for that.
 620     item.determineMimeType();
 621     const QUrl& folderUrl = DolphinView::openItemAsFolderUrl(item, true);
 622     if (!folderUrl.isEmpty()) {
 623         setUrl(folderUrl);
 624     } else {
 625         slotItemActivated(item);
 626     }
 627 }
 628
 629 void DolphinViewContainer::slotItemActivated(const KFileItem& item)
 630 {
 631     // It is possible to activate items on inactive views by
 632     // drag & drop operations. Assure that activating an item always
 633     // results in an active view.
 634     m_view->setActive(true);
 635
 636     const QUrl& url = DolphinView::openItemAsFolderUrl(item, GeneralSettings::browseThroughArchives());
 637     if (!url.isEmpty()) {
 638         setUrl(url);
 639         return;
 640     }
 641
 642     KIO::OpenUrlJob *job = new KIO::OpenUrlJob(item.targetUrl());
 643     job->setUiDelegate(new KIO::JobUiDelegate(KJobUiDelegate::AutoHandlingEnabled, this));
 644     job->setShowOpenOrExecuteDialog(true);
 645     job->start();
 646 }
 647
 648 void DolphinViewContainer::slotItemsActivated(const KFileItemList& items)
 649 {
 650     Q_ASSERT(items.count() >= 2);
 651
 652     KFileItemActions fileItemActions(this);
 653     fileItemActions.runPreferredApplications(items, QString());
 654 }
 655
 656 void DolphinViewContainer::showItemInfo(const KFileItem& item)
 657 {
 658     if (item.isNull()) {
 659         m_statusBar->resetToDefaultText();
 660     } else {
 661         m_statusBar->setText(item.getStatusBarInfo());
 662     }
 663 }
 664
 665 void DolphinViewContainer::closeFilterBar()
 666 {
 667     m_filterBar->closeFilterBar();
 668     m_view->setFocus();
 669     Q_EMIT showFilterBarChanged(false);
 670 }
 671
 672 void DolphinViewContainer::setNameFilter(const QString& nameFilter)
 673 {
 674     m_view->hideToolTip(ToolTipManager::HideBehavior::Instantly);
 675     m_view->setNameFilter(nameFilter);
 676     delayedStatusBarUpdate();
 677 }
 678
 679 void DolphinViewContainer::activate()
 680 {
 681     setActive(true);
 682 }
 683
 684 void DolphinViewContainer::slotUrlNavigatorLocationAboutToBeChanged(const QUrl&)
 685 {
 686     saveViewState();
 687 }
 688
 689 void DolphinViewContainer::slotUrlNavigatorLocationChanged(const QUrl& url)
 690 {
 691     if (m_urlNavigatorConnected) {
 692         m_urlNavigatorConnected->slotReturnPressed();
 693     }
 694
 695     if (KProtocolManager::supportsListing(url)) {
 696         setSearchModeEnabled(isSearchUrl(url));
 697         m_view->setUrl(url);
 698         tryRestoreViewState();
 699
 700         if (m_autoGrabFocus && isActive() && !isSearchUrl(url)) {
 701             // When an URL has been entered, the view should get the focus.
 702             // The focus must be requested asynchronously, as changing the URL might create
 703             // a new view widget.
 704             QTimer::singleShot(0, this, &DolphinViewContainer::requestFocus);
 705         }
 706     } else if (KProtocolManager::isSourceProtocol(url)) {
 707         if (url.scheme().startsWith(QLatin1String("http"))) {
 708             showMessage(i18nc("@info:status", // krazy:exclude=qmethods
 709                               "Dolphin does not support web pages, the web browser has been launched"),
 710                         Information);
 711         } else {
 712             showMessage(i18nc("@info:status",
 713                               "Protocol not supported by Dolphin, default application has been launched"),
 714                         Information);
 715         }
 716
 717         QDesktopServices::openUrl(url);
 718         redirect(QUrl(), m_urlNavigator->locationUrl(1));
 719     } else {
 720         showMessage(i18nc("@info:status", "Invalid protocol"), Error);
 721         m_urlNavigator->goBack();
 722     }
 723 }
 724
 725 void DolphinViewContainer::slotUrlSelectionRequested(const QUrl& url)
 726 {
 727     m_view->markUrlsAsSelected({url});
 728     m_view->markUrlAsCurrent(url); // makes the item scroll into view
 729 }
 730
 731 void DolphinViewContainer::redirect(const QUrl& oldUrl, const QUrl& newUrl)
 732 {
 733     Q_UNUSED(oldUrl)
 734     const bool block = m_urlNavigator->signalsBlocked();
 735     m_urlNavigator->blockSignals(true);
 736
 737     // Assure that the location state is reset for redirection URLs. This
 738     // allows to skip redirection URLs when going back or forward in the
 739     // URL history.
 740     m_urlNavigator->saveLocationState(QByteArray());
 741     m_urlNavigator->setLocationUrl(newUrl);
 742     setSearchModeEnabled(isSearchUrl(newUrl));
 743
 744     m_urlNavigator->blockSignals(block);
 745 }
 746
 747 void DolphinViewContainer::requestFocus()
 748 {
 749     m_view->setFocus();
 750 }
 751
 752 void DolphinViewContainer::startSearching()
 753 {
 754     Q_CHECK_PTR(m_urlNavigatorConnected);
 755     const QUrl url = m_searchBox->urlForSearching();
 756     if (url.isValid() && !url.isEmpty()) {
 757         m_view->setViewPropertiesContext(QStringLiteral("search"));
 758         m_urlNavigatorConnected->setLocationUrl(url);
 759     }
 760 }
 761
 762 void DolphinViewContainer::closeSearchBox()
 763 {
 764     setSearchModeEnabled(false);
 765 }
 766
 767 void DolphinViewContainer::stopDirectoryLoading()
 768 {
 769     m_view->stopLoading();
 770     m_statusBar->setProgress(100);
 771 }
 772
 773 void DolphinViewContainer::slotStatusBarZoomLevelChanged(int zoomLevel)
 774 {
 775     m_view->setZoomLevel(zoomLevel);
 776 }
 777
 778 void DolphinViewContainer::showErrorMessage(const QString& msg)
 779 {
 780     showMessage(msg, Error);
 781 }
 782
 783 bool DolphinViewContainer::isSearchUrl(const QUrl& url) const
 784 {
 785     return url.scheme().contains(QLatin1String("search"));
 786 }
 787
 788 void DolphinViewContainer::saveViewState()
 789 {
 790     QByteArray locationState;
 791     QDataStream stream(&locationState, QIODevice::WriteOnly);
 792     m_view->saveState(stream);
 793     m_urlNavigator->saveLocationState(locationState);
 794 }
 795
 796 void DolphinViewContainer::tryRestoreViewState()
 797 {
 798     QByteArray locationState = m_urlNavigator->locationState();
 799     if (!locationState.isEmpty()) {
 800         QDataStream stream(&locationState, QIODevice::ReadOnly);
 801         m_view->restoreState(stream);
 802     }
 803 }