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
  34 #include <QDropEvent>
  35 #include <QLoggingCategory>
  36 #include <QMimeData>
  37 #include <QTimer>
  38 #include <QUrl>
  39 #include <QVBoxLayout>
  40 #include <QDesktopServices>
  41
  42 DolphinViewContainer::DolphinViewContainer(const QUrl& url, QWidget* parent) :
  43     QWidget(parent),
  44     m_topLayout(nullptr),
  45     m_urlNavigator{new DolphinUrlNavigator(url)},
  46     m_urlNavigatorConnected{nullptr},
  47     m_searchBox(nullptr),
  48     m_searchModeEnabled(false),
  49     m_messageWidget(nullptr),
  50     m_view(nullptr),
  51     m_filterBar(nullptr),
  52     m_statusBar(nullptr),
  53     m_statusBarTimer(nullptr),
  54     m_statusBarTimestamp(),
  55     m_autoGrabFocus(true)
  56 #ifdef HAVE_KACTIVITIES
  57     , m_activityResourceInstance(nullptr)
  58 #endif
  59 {
  60     hide();
  61
  62     m_topLayout = new QVBoxLayout(this);
  63     m_topLayout->setSpacing(0);
  64     m_topLayout->setContentsMargins(0, 0, 0, 0);
  65
  66     m_searchBox = new DolphinSearchBox(this);
  67     m_searchBox->hide();
  68     connect(m_searchBox, &DolphinSearchBox::activated, this, &DolphinViewContainer::activate);
  69     connect(m_searchBox, &DolphinSearchBox::closeRequest, this, &DolphinViewContainer::closeSearchBox);
  70     connect(m_searchBox, &DolphinSearchBox::searchRequest, this, &DolphinViewContainer::startSearching);
  71     connect(m_searchBox, &DolphinSearchBox::focusViewRequest, this, &DolphinViewContainer::requestFocus);
  72     m_searchBox->setWhatsThis(xi18nc("@info:whatsthis findbar",
  73         "<para>This helps you find files and folders. Enter a <emphasis>"
  74         "search term</emphasis> and specify search settings with the "
  75         "buttons at the bottom:<list><item>Filename/Content: "
  76         "Does the item you are looking for contain the search terms "
  77         "within its filename or its contents?<nl/>The contents of images, "
  78         "audio files and videos will not be searched.</item><item>"
  79         "From Here/Everywhere: Do you want to search in this "
  80         "folder and its sub-folders or everywhere?</item><item>"
  81         "More Options: Click this to search by media type, access "
  82         "time or rating.</item><item>More Search Tools: Install other "
  83         "means to find an item.</item></list></para>"));
  84
  85     m_messageWidget = new KMessageWidget(this);
  86     m_messageWidget->setCloseButtonVisible(true);
  87     m_messageWidget->hide();
  88
  89 #ifndef Q_OS_WIN
  90     if (getuid() == 0) {
  91
  92         // We must be logged in as the root user; show a big scary warning
  93         showMessage(i18n("Running Dolphin as root can be dangerous. Please be careful."), Warning);
  94     }
  95 #endif
  96
  97     // Initialize filter bar
  98     m_filterBar = new FilterBar(this);
  99     m_filterBar->setVisible(GeneralSettings::filterBar());
 100
 101     connect(m_filterBar, &FilterBar::filterChanged,
 102             this, &DolphinViewContainer::setNameFilter);
 103     connect(m_filterBar, &FilterBar::closeRequest,
 104             this, &DolphinViewContainer::closeFilterBar);
 105     connect(m_filterBar, &FilterBar::focusViewRequest,
 106             this, &DolphinViewContainer::requestFocus);
 107
 108     // Initialize the main view
 109     m_view = new DolphinView(url, this);
 110     connect(m_view, &DolphinView::urlChanged,
 111             m_filterBar, &FilterBar::slotUrlChanged);
 112     connect(m_view, &DolphinView::urlChanged,
 113             m_messageWidget, &KMessageWidget::hide);
 114     // m_urlNavigator stays in sync with m_view's location changes and
 115     // keeps track of them so going back and forth in the history works.
 116     connect(m_view, &DolphinView::urlChanged,
 117             m_urlNavigator.get(), &DolphinUrlNavigator::setLocationUrl);
 118     connect(m_urlNavigator.get(), &DolphinUrlNavigator::urlChanged,
 119             this, &DolphinViewContainer::slotUrlNavigatorLocationChanged);
 120     connect(m_urlNavigator.get(), &DolphinUrlNavigator::urlAboutToBeChanged,
 121             this, &DolphinViewContainer::slotUrlNavigatorLocationAboutToBeChanged);
 122     connect(m_urlNavigator.get(), &DolphinUrlNavigator::urlSelectionRequested,
 123             this, &DolphinViewContainer::slotUrlSelectionRequested);
 124     connect(m_view, &DolphinView::writeStateChanged,
 125             this, &DolphinViewContainer::writeStateChanged);
 126     connect(m_view, &DolphinView::requestItemInfo,
 127             this, &DolphinViewContainer::showItemInfo);
 128     connect(m_view, &DolphinView::itemActivated,
 129             this, &DolphinViewContainer::slotItemActivated);
 130     connect(m_view, &DolphinView::itemsActivated,
 131             this, &DolphinViewContainer::slotItemsActivated);
 132     connect(m_view, &DolphinView::redirection,
 133             this, &DolphinViewContainer::redirect);
 134     connect(m_view, &DolphinView::directoryLoadingStarted,
 135             this, &DolphinViewContainer::slotDirectoryLoadingStarted);
 136     connect(m_view, &DolphinView::directoryLoadingCompleted,
 137             this, &DolphinViewContainer::slotDirectoryLoadingCompleted);
 138     connect(m_view, &DolphinView::directoryLoadingCanceled,
 139             this, &DolphinViewContainer::slotDirectoryLoadingCanceled);
 140     connect(m_view, &DolphinView::itemCountChanged,
 141             this, &DolphinViewContainer::delayedStatusBarUpdate);
 142     connect(m_view, &DolphinView::directoryLoadingProgress,
 143             this, &DolphinViewContainer::updateDirectoryLoadingProgress);
 144     connect(m_view, &DolphinView::directorySortingProgress,
 145             this, &DolphinViewContainer::updateDirectorySortingProgress);
 146     connect(m_view, &DolphinView::selectionChanged,
 147             this, &DolphinViewContainer::delayedStatusBarUpdate);
 148     connect(m_view, &DolphinView::errorMessage,
 149             this, &DolphinViewContainer::showErrorMessage);
 150     connect(m_view, &DolphinView::urlIsFileError,
 151             this, &DolphinViewContainer::slotUrlIsFileError);
 152     connect(m_view, &DolphinView::activated,
 153             this, &DolphinViewContainer::activate);
 154
 155     // Initialize status bar
 156     m_statusBar = new DolphinStatusBar(this);
 157     m_statusBar->setUrl(m_view->url());
 158     m_statusBar->setZoomLevel(m_view->zoomLevel());
 159     connect(m_view, &DolphinView::urlChanged,
 160             m_statusBar, &DolphinStatusBar::setUrl);
 161     connect(m_view, &DolphinView::zoomLevelChanged,
 162             m_statusBar, &DolphinStatusBar::setZoomLevel);
 163     connect(m_view, &DolphinView::infoMessage,
 164             m_statusBar, &DolphinStatusBar::setText);
 165     connect(m_view, &DolphinView::operationCompletedMessage,
 166             m_statusBar, &DolphinStatusBar::setText);
 167     connect(m_view, &DolphinView::statusBarTextChanged,
 168             m_statusBar, &DolphinStatusBar::setDefaultText);
 169     connect(m_view, &DolphinView::statusBarTextChanged,
 170             m_statusBar, &DolphinStatusBar::resetToDefaultText);
 171     connect(m_statusBar, &DolphinStatusBar::stopPressed,
 172             this, &DolphinViewContainer::stopDirectoryLoading);
 173     connect(m_statusBar, &DolphinStatusBar::zoomLevelChanged,
 174             this, &DolphinViewContainer::slotStatusBarZoomLevelChanged);
 175
 176     m_statusBarTimer = new QTimer(this);
 177     m_statusBarTimer->setSingleShot(true);
 178     m_statusBarTimer->setInterval(300);
 179     connect(m_statusBarTimer, &QTimer::timeout, this, &DolphinViewContainer::updateStatusBar);
 180
 181     KIO::FileUndoManager* undoManager = KIO::FileUndoManager::self();
 182     connect(undoManager, &KIO::FileUndoManager::jobRecordingFinished,
 183             this, &DolphinViewContainer::delayedStatusBarUpdate);
 184
 185     m_topLayout->addWidget(m_searchBox);
 186     m_topLayout->addWidget(m_messageWidget);
 187     m_topLayout->addWidget(m_view);
 188     m_topLayout->addWidget(m_filterBar);
 189     m_topLayout->addWidget(m_statusBar);
 190
 191     setSearchModeEnabled(isSearchUrl(url));
 192
 193     connect(DetailsModeSettings::self(), &KCoreConfigSkeleton::configChanged, this, [=]() {
 194         if (view()->mode() == DolphinView::Mode::DetailsView) {
 195             view()->reload();
 196         }
 197     });
 198
 199     // Initialize kactivities resource instance
 200
 201 #ifdef HAVE_KACTIVITIES
 202     m_activityResourceInstance = new KActivities::ResourceInstance(window()->winId(), url);
 203     m_activityResourceInstance->setParent(this);
 204 #endif
 205 }
 206
 207 DolphinViewContainer::~DolphinViewContainer()
 208 {
 209 }
 210
 211 QUrl DolphinViewContainer::url() const
 212 {
 213     return m_view->url();
 214 }
 215
 216 void DolphinViewContainer::setActive(bool active)
 217 {
 218     m_searchBox->setActive(active);
 219     if (m_urlNavigatorConnected) {
 220         m_urlNavigatorConnected->setActive(active);
 221     }
 222     m_view->setActive(active);
 223
 224 #ifdef HAVE_KACTIVITIES
 225     if (active) {
 226         m_activityResourceInstance->notifyFocusedIn();
 227     } else {
 228         m_activityResourceInstance->notifyFocusedOut();
 229     }
 230 #endif
 231 }
 232
 233 bool DolphinViewContainer::isActive() const
 234 {
 235     return m_view->isActive();
 236 }
 237
 238 void DolphinViewContainer::setAutoGrabFocus(bool grab)
 239 {
 240     m_autoGrabFocus = grab;
 241 }
 242
 243 bool DolphinViewContainer::autoGrabFocus() const
 244 {
 245     return m_autoGrabFocus;
 246 }
 247
 248 QString DolphinViewContainer::currentSearchText() const
 249 {
 250      return m_searchBox->text();
 251 }
 252
 253 const DolphinStatusBar* DolphinViewContainer::statusBar() const
 254 {
 255     return m_statusBar;
 256 }
 257
 258 DolphinStatusBar* DolphinViewContainer::statusBar()
 259 {
 260     return m_statusBar;
 261 }
 262
 263 const DolphinUrlNavigator* DolphinViewContainer::urlNavigator() const
 264 {
 265     return m_urlNavigatorConnected;
 266 }
 267
 268 DolphinUrlNavigator* DolphinViewContainer::urlNavigator()
 269 {
 270     return m_urlNavigatorConnected;
 271 }
 272
 273 const DolphinUrlNavigator *DolphinViewContainer::urlNavigatorInternalWithHistory() const
 274 {
 275     return m_urlNavigator.get();
 276 }
 277
 278 DolphinUrlNavigator *DolphinViewContainer::urlNavigatorInternalWithHistory()
 279 {
 280     return m_urlNavigator.get();
 281 }
 282
 283 const DolphinView* DolphinViewContainer::view() const
 284 {
 285     return m_view;
 286 }
 287
 288 DolphinView* DolphinViewContainer::view()
 289 {
 290     return m_view;
 291 }
 292
 293 void DolphinViewContainer::connectUrlNavigator(DolphinUrlNavigator *urlNavigator)
 294 {
 295     Q_CHECK_PTR(urlNavigator);
 296     Q_ASSERT(!m_urlNavigatorConnected);
 297     Q_ASSERT(m_urlNavigator.get() != urlNavigator);
 298     Q_CHECK_PTR(m_view);
 299
 300     urlNavigator->setLocationUrl(m_view->url());
 301     if (m_urlNavigatorVisualState) {
 302         urlNavigator->setVisualState(*m_urlNavigatorVisualState.get());
 303         m_urlNavigatorVisualState.reset();
 304     }
 305     urlNavigator->setActive(isActive());
 306
 307     // Url changes are still done via m_urlNavigator.
 308     connect(urlNavigator, &DolphinUrlNavigator::urlChanged,
 309             m_urlNavigator.get(), &DolphinUrlNavigator::setLocationUrl);
 310     connect(urlNavigator, &DolphinUrlNavigator::urlsDropped,
 311             this, [=](const QUrl &destination, QDropEvent *event) {
 312         m_view->dropUrls(destination, event, urlNavigator->dropWidget());
 313     });
 314     // Aside from these, only visual things need to be connected.
 315     connect(m_view, &DolphinView::urlChanged,
 316             urlNavigator, &DolphinUrlNavigator::setLocationUrl);
 317     connect(urlNavigator, &DolphinUrlNavigator::activated,
 318             this, &DolphinViewContainer::activate);
 319
 320     m_urlNavigatorConnected = urlNavigator;
 321 }
 322
 323 void DolphinViewContainer::disconnectUrlNavigator()
 324 {
 325     if (!m_urlNavigatorConnected) {
 326         return;
 327     }
 328
 329     disconnect(m_urlNavigatorConnected, &DolphinUrlNavigator::urlChanged,
 330                m_urlNavigator.get(), &DolphinUrlNavigator::setLocationUrl);
 331     disconnect(m_urlNavigatorConnected, &DolphinUrlNavigator::urlsDropped,
 332                this, nullptr);
 333     disconnect(m_view, &DolphinView::urlChanged,
 334                m_urlNavigatorConnected, &DolphinUrlNavigator::setLocationUrl);
 335     disconnect(m_urlNavigatorConnected, &DolphinUrlNavigator::activated,
 336                this, &DolphinViewContainer::activate);
 337
 338     m_urlNavigatorVisualState = m_urlNavigatorConnected->visualState();
 339     m_urlNavigatorConnected = nullptr;
 340 }
 341
 342 void DolphinViewContainer::showMessage(const QString& msg, MessageType type)
 343 {
 344     if (msg.isEmpty()) {
 345         return;
 346     }
 347
 348     m_messageWidget->setText(msg);
 349
 350     // TODO: wrap at arbitrary character positions once QLabel can do this
 351     // https://bugreports.qt.io/browse/QTBUG-1276
 352     m_messageWidget->setWordWrap(true);
 353
 354     switch (type) {
 355     case Information: m_messageWidget->setMessageType(KMessageWidget::Information); break;
 356     case Warning:     m_messageWidget->setMessageType(KMessageWidget::Warning); break;
 357     case Error:       m_messageWidget->setMessageType(KMessageWidget::Error); break;
 358     default:
 359         Q_ASSERT(false);
 360         break;
 361     }
 362
 363     m_messageWidget->setWordWrap(false);
 364     const int unwrappedWidth = m_messageWidget->sizeHint().width();
 365     m_messageWidget->setWordWrap(unwrappedWidth > size().width());
 366
 367     if (m_messageWidget->isVisible()) {
 368         m_messageWidget->hide();
 369     }
 370     m_messageWidget->animatedShow();
 371 }
 372
 373 void DolphinViewContainer::readSettings()
 374 {
 375     // The startup settings should (only) get applied if they have been
 376     // modified by the user. Otherwise keep the (possibly) different current
 377     // setting of the filterbar.
 378     if (GeneralSettings::modifiedStartupSettings()) {
 379         setFilterBarVisible(GeneralSettings::filterBar());
 380     }
 381
 382     m_view->readSettings();
 383     m_statusBar->readSettings();
 384 }
 385
 386 bool DolphinViewContainer::isFilterBarVisible() const
 387 {
 388     return m_filterBar->isVisible();
 389 }
 390
 391 void DolphinViewContainer::setSearchModeEnabled(bool enabled)
 392 {
 393     m_searchBox->setVisible(enabled);
 394
 395     if (enabled) {
 396         const QUrl& locationUrl = m_urlNavigator->locationUrl();
 397         m_searchBox->fromSearchUrl(locationUrl);
 398     }
 399
 400     if (enabled == isSearchModeEnabled()) {
 401         if (enabled && !m_searchBox->hasFocus()) {
 402             m_searchBox->setFocus();
 403             m_searchBox->selectAll();
 404         }
 405         return;
 406     }
 407
 408     if (!enabled) {
 409         m_view->setViewPropertiesContext(QString());
 410
 411         // Restore the URL for the URL navigator. If Dolphin has been
 412         // started with a search-URL, the home URL is used as fallback.
 413         QUrl url = m_searchBox->searchPath();
 414         if (url.isEmpty() || !url.isValid() || isSearchUrl(url)) {
 415             url = Dolphin::homeUrl();
 416         }
 417         m_urlNavigatorConnected->setLocationUrl(url);
 418     }
 419
 420     m_searchModeEnabled = enabled;
 421
 422     Q_EMIT searchModeEnabledChanged(enabled);
 423 }
 424
 425 bool DolphinViewContainer::isSearchModeEnabled() const
 426 {
 427     return m_searchModeEnabled;
 428 }
 429
 430 QString DolphinViewContainer::placesText() const
 431 {
 432     QString text;
 433
 434     if (isSearchModeEnabled()) {
 435         text = i18n("Search for %1 in %2", m_searchBox->text(), m_searchBox->searchPath().fileName());
 436     } else {
 437         text = url().adjusted(QUrl::StripTrailingSlash).fileName();
 438         if (text.isEmpty()) {
 439             text = url().host();
 440         }
 441         if (text.isEmpty()) {
 442             text = url().scheme();
 443         }
 444     }
 445
 446     return text;
 447 }
 448
 449 void DolphinViewContainer::reload()
 450 {
 451     view()->reload();
 452     m_messageWidget->hide();
 453 }
 454
 455 QString DolphinViewContainer::captionWindowTitle() const
 456 {
 457     if (GeneralSettings::showFullPathInTitlebar() && !isSearchModeEnabled()) {
 458         if (!url().isLocalFile()) {
 459             return url().adjusted(QUrl::StripTrailingSlash).toString();
 460         }
 461         return url().adjusted(QUrl::StripTrailingSlash).path();
 462     } else {
 463         return DolphinViewContainer::caption();
 464     }
 465 }
 466
 467 QString DolphinViewContainer::caption() const
 468 {
 469     if (isSearchModeEnabled()) {
 470         if (currentSearchText().isEmpty()){
 471             return i18n("Search");
 472         } else {
 473             return i18n("Search for %1", currentSearchText());
 474         }
 475     }
 476
 477     KFilePlacesModel *placesModel = DolphinPlacesModelSingleton::instance().placesModel();
 478     const QString pattern = url().adjusted(QUrl::StripTrailingSlash).toString(QUrl::FullyEncoded).append("/?");
 479     const auto& matchedPlaces = placesModel->match(placesModel->index(0,0), KFilePlacesModel::UrlRole, QRegularExpression::anchoredPattern(pattern), 1, Qt::MatchRegularExpression);
 480
 481     if (!matchedPlaces.isEmpty()) {
 482         return placesModel->text(matchedPlaces.first());
 483     }
 484
 485
 486     if (!url().isLocalFile()) {
 487         QUrl adjustedUrl = url().adjusted(QUrl::StripTrailingSlash);
 488         QString caption;
 489         if (!adjustedUrl.fileName().isEmpty()) {
 490             caption = adjustedUrl.fileName();
 491         } else if (!adjustedUrl.path().isEmpty() && adjustedUrl.path() != "/") {
 492             caption = adjustedUrl.path();
 493         } else if (!adjustedUrl.host().isEmpty()) {
 494             caption = adjustedUrl.host();
 495         } else {
 496             caption = adjustedUrl.toString();
 497         }
 498         return caption;
 499     }
 500
 501     QString fileName = url().adjusted(QUrl::StripTrailingSlash).fileName();
 502     if (fileName.isEmpty()) {
 503         fileName = '/';
 504     }
 505
 506     return fileName;
 507 }
 508
 509 void DolphinViewContainer::setUrl(const QUrl& newUrl)
 510 {
 511     if (newUrl != m_urlNavigator->locationUrl()) {
 512         m_urlNavigator->setLocationUrl(newUrl);
 513     }
 514
 515 #ifdef HAVE_KACTIVITIES
 516     m_activityResourceInstance->setUri(newUrl);
 517 #endif
 518 }
 519
 520 void DolphinViewContainer::setFilterBarVisible(bool visible)
 521 {
 522     Q_ASSERT(m_filterBar);
 523     if (visible) {
 524         m_view->hideToolTip(ToolTipManager::HideBehavior::Instantly);
 525         m_filterBar->show();
 526         m_filterBar->setFocus();
 527         m_filterBar->selectAll();
 528     } else {
 529         closeFilterBar();
 530     }
 531 }
 532
 533 void DolphinViewContainer::delayedStatusBarUpdate()
 534 {
 535     if (m_statusBarTimer->isActive() && (m_statusBarTimestamp.elapsed() > 2000)) {
 536         // No update of the statusbar has been done during the last 2 seconds,
 537         // although an update has been requested. Trigger an immediate update.
 538         m_statusBarTimer->stop();
 539         updateStatusBar();
 540     } else {
 541         // Invoke updateStatusBar() with a small delay. This assures that
 542         // when a lot of delayedStatusBarUpdates() are done in a short time,
 543         // no bottleneck is given.
 544         m_statusBarTimer->start();
 545     }
 546 }
 547
 548 void DolphinViewContainer::updateStatusBar()
 549 {
 550     m_statusBarTimestamp.start();
 551     m_view->requestStatusBarText();
 552 }
 553
 554 void DolphinViewContainer::updateDirectoryLoadingProgress(int percent)
 555 {
 556     if (m_statusBar->progressText().isEmpty()) {
 557         m_statusBar->setProgressText(i18nc("@info:progress", "Loading folder..."));
 558     }
 559     m_statusBar->setProgress(percent);
 560 }
 561
 562 void DolphinViewContainer::updateDirectorySortingProgress(int percent)
 563 {
 564     if (m_statusBar->progressText().isEmpty()) {
 565         m_statusBar->setProgressText(i18nc("@info:progress", "Sorting..."));
 566     }
 567     m_statusBar->setProgress(percent);
 568 }
 569
 570 void DolphinViewContainer::slotDirectoryLoadingStarted()
 571 {
 572     if (isSearchUrl(url())) {
 573         // Search KIO-slaves usually don't provide any progress information. Give
 574         // a hint to the user that a searching is done:
 575         updateStatusBar();
 576         m_statusBar->setProgressText(i18nc("@info", "Searching..."));
 577         m_statusBar->setProgress(-1);
 578     } else {
 579         // Trigger an undetermined progress indication. The progress
 580         // information in percent will be triggered by the percent() signal
 581         // of the directory lister later.
 582         m_statusBar->setProgressText(QString());
 583         updateDirectoryLoadingProgress(-1);
 584     }
 585 }
 586
 587 void DolphinViewContainer::slotDirectoryLoadingCompleted()
 588 {
 589     if (!m_statusBar->progressText().isEmpty()) {
 590         m_statusBar->setProgressText(QString());
 591         m_statusBar->setProgress(100);
 592     }
 593
 594     if (isSearchUrl(url()) && m_view->itemsCount() == 0) {
 595         // The dir lister has been completed on a Baloo-URI and no items have been found. Instead
 596         // of showing the default status bar information ("0 items") a more helpful information is given:
 597         m_statusBar->setText(i18nc("@info:status", "No items found."));
 598     } else {
 599         updateStatusBar();
 600     }
 601 }
 602
 603 void DolphinViewContainer::slotDirectoryLoadingCanceled()
 604 {
 605     if (!m_statusBar->progressText().isEmpty()) {
 606         m_statusBar->setProgressText(QString());
 607         m_statusBar->setProgress(100);
 608     }
 609
 610     m_statusBar->setText(QString());
 611 }
 612
 613 void DolphinViewContainer::slotUrlIsFileError(const QUrl& url)
 614 {
 615     const KFileItem item(url);
 616
 617     // Find out if the file can be opened in the view (for example, this is the
 618     // case if the file is an archive). The mime type must be known for that.
 619     item.determineMimeType();
 620     const QUrl& folderUrl = DolphinView::openItemAsFolderUrl(item, true);
 621     if (!folderUrl.isEmpty()) {
 622         setUrl(folderUrl);
 623     } else {
 624         slotItemActivated(item);
 625     }
 626 }
 627
 628 void DolphinViewContainer::slotItemActivated(const KFileItem& item)
 629 {
 630     // It is possible to activate items on inactive views by
 631     // drag & drop operations. Assure that activating an item always
 632     // results in an active view.
 633     m_view->setActive(true);
 634
 635     const QUrl& url = DolphinView::openItemAsFolderUrl(item, GeneralSettings::browseThroughArchives());
 636     if (!url.isEmpty()) {
 637         setUrl(url);
 638         return;
 639     }
 640
 641     KIO::OpenUrlJob *job = new KIO::OpenUrlJob(item.targetUrl());
 642     job->setUiDelegate(new KIO::JobUiDelegate(KJobUiDelegate::AutoHandlingEnabled, this));
 643     job->setShowOpenOrExecuteDialog(true);
 644     job->start();
 645 }
 646
 647 void DolphinViewContainer::slotItemsActivated(const KFileItemList& items)
 648 {
 649     Q_ASSERT(items.count() >= 2);
 650
 651     KFileItemActions fileItemActions(this);
 652     fileItemActions.runPreferredApplications(items, QString());
 653 }
 654
 655 void DolphinViewContainer::showItemInfo(const KFileItem& item)
 656 {
 657     if (item.isNull()) {
 658         m_statusBar->resetToDefaultText();
 659     } else {
 660         m_statusBar->setText(item.getStatusBarInfo());
 661     }
 662 }
 663
 664 void DolphinViewContainer::closeFilterBar()
 665 {
 666     m_filterBar->closeFilterBar();
 667     m_view->setFocus();
 668     Q_EMIT showFilterBarChanged(false);
 669 }
 670
 671 void DolphinViewContainer::setNameFilter(const QString& nameFilter)
 672 {
 673     m_view->hideToolTip(ToolTipManager::HideBehavior::Instantly);
 674     m_view->setNameFilter(nameFilter);
 675     delayedStatusBarUpdate();
 676 }
 677
 678 void DolphinViewContainer::activate()
 679 {
 680     setActive(true);
 681 }
 682
 683 void DolphinViewContainer::slotUrlNavigatorLocationAboutToBeChanged(const QUrl&)
 684 {
 685     saveViewState();
 686 }
 687
 688 void DolphinViewContainer::slotUrlNavigatorLocationChanged(const QUrl& url)
 689 {
 690     if (m_urlNavigatorConnected) {
 691         m_urlNavigatorConnected->slotReturnPressed();
 692     }
 693
 694     if (KProtocolManager::supportsListing(url)) {
 695         setSearchModeEnabled(isSearchUrl(url));
 696         m_view->setUrl(url);
 697         tryRestoreViewState();
 698
 699         if (m_autoGrabFocus && isActive() && !isSearchUrl(url)) {
 700             // When an URL has been entered, the view should get the focus.
 701             // The focus must be requested asynchronously, as changing the URL might create
 702             // a new view widget.
 703             QTimer::singleShot(0, this, &DolphinViewContainer::requestFocus);
 704         }
 705     } else if (KProtocolManager::isSourceProtocol(url)) {
 706         if (url.scheme().startsWith(QLatin1String("http"))) {
 707             showMessage(i18nc("@info:status", // krazy:exclude=qmethods
 708                               "Dolphin does not support web pages, the web browser has been launched"),
 709                         Information);
 710         } else {
 711             showMessage(i18nc("@info:status",
 712                               "Protocol not supported by Dolphin, default application has been launched"),
 713                         Information);
 714         }
 715
 716         QDesktopServices::openUrl(url);
 717         redirect(QUrl(), m_urlNavigator->locationUrl(1));
 718     } else {
 719         showMessage(i18nc("@info:status", "Invalid protocol"), Error);
 720         m_urlNavigator->goBack();
 721     }
 722 }
 723
 724 void DolphinViewContainer::slotUrlSelectionRequested(const QUrl& url)
 725 {
 726     m_view->markUrlsAsSelected({url});
 727     m_view->markUrlAsCurrent(url); // makes the item scroll into view
 728 }
 729
 730 void DolphinViewContainer::disableUrlNavigatorSelectionRequests()
 731 {
 732     disconnect(m_urlNavigator.get(), &KUrlNavigator::urlSelectionRequested,
 733         this, &DolphinViewContainer::slotUrlSelectionRequested);
 734 }
 735
 736 void DolphinViewContainer::enableUrlNavigatorSelectionRequests()
 737 {
 738     connect(m_urlNavigator.get(), &KUrlNavigator::urlSelectionRequested,
 739         this, &DolphinViewContainer::slotUrlSelectionRequested);
 740 }
 741
 742 void DolphinViewContainer::redirect(const QUrl& oldUrl, const QUrl& newUrl)
 743 {
 744     Q_UNUSED(oldUrl)
 745     const bool block = m_urlNavigator->signalsBlocked();
 746     m_urlNavigator->blockSignals(true);
 747
 748     // Assure that the location state is reset for redirection URLs. This
 749     // allows to skip redirection URLs when going back or forward in the
 750     // URL history.
 751     m_urlNavigator->saveLocationState(QByteArray());
 752     m_urlNavigator->setLocationUrl(newUrl);
 753     setSearchModeEnabled(isSearchUrl(newUrl));
 754
 755     m_urlNavigator->blockSignals(block);
 756 }
 757
 758 void DolphinViewContainer::requestFocus()
 759 {
 760     m_view->setFocus();
 761 }
 762
 763 void DolphinViewContainer::startSearching()
 764 {
 765     Q_CHECK_PTR(m_urlNavigatorConnected);
 766     const QUrl url = m_searchBox->urlForSearching();
 767     if (url.isValid() && !url.isEmpty()) {
 768         m_view->setViewPropertiesContext(QStringLiteral("search"));
 769         m_urlNavigatorConnected->setLocationUrl(url);
 770     }
 771 }
 772
 773 void DolphinViewContainer::closeSearchBox()
 774 {
 775     setSearchModeEnabled(false);
 776 }
 777
 778 void DolphinViewContainer::stopDirectoryLoading()
 779 {
 780     m_view->stopLoading();
 781     m_statusBar->setProgress(100);
 782 }
 783
 784 void DolphinViewContainer::slotStatusBarZoomLevelChanged(int zoomLevel)
 785 {
 786     m_view->setZoomLevel(zoomLevel);
 787 }
 788
 789 void DolphinViewContainer::showErrorMessage(const QString& msg)
 790 {
 791     showMessage(msg, Error);
 792 }
 793
 794 bool DolphinViewContainer::isSearchUrl(const QUrl& url) const
 795 {
 796     return url.scheme().contains(QLatin1String("search"));
 797 }
 798
 799 void DolphinViewContainer::saveViewState()
 800 {
 801     QByteArray locationState;
 802     QDataStream stream(&locationState, QIODevice::WriteOnly);
 803     m_view->saveState(stream);
 804     m_urlNavigator->saveLocationState(locationState);
 805 }
 806
 807 void DolphinViewContainer::tryRestoreViewState()
 808 {
 809     QByteArray locationState = m_urlNavigator->locationState();
 810     if (!locationState.isEmpty()) {
 811         QDataStream stream(&locationState, QIODevice::ReadOnly);
 812         m_view->restoreState(stream);
 813     }
 814 }