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_urlNavigator.get(), &DolphinUrlNavigator::urlAboutToBeChanged,
 122             this, &DolphinViewContainer::slotUrlNavigatorLocationAboutToBeChanged);
 123     connect(m_urlNavigator.get(), &DolphinUrlNavigator::urlSelectionRequested,
 124             this, &DolphinViewContainer::slotUrlSelectionRequested);
 125     connect(m_view, &DolphinView::writeStateChanged,
 126             this, &DolphinViewContainer::writeStateChanged);
 127     connect(m_view, &DolphinView::requestItemInfo,
 128             this, &DolphinViewContainer::showItemInfo);
 129     connect(m_view, &DolphinView::itemActivated,
 130             this, &DolphinViewContainer::slotItemActivated);
 131     connect(m_view, &DolphinView::itemsActivated,
 132             this, &DolphinViewContainer::slotItemsActivated);
 133     connect(m_view, &DolphinView::redirection,
 134             this, &DolphinViewContainer::redirect);
 135     connect(m_view, &DolphinView::directoryLoadingStarted,
 136             this, &DolphinViewContainer::slotDirectoryLoadingStarted);
 137     connect(m_view, &DolphinView::directoryLoadingCompleted,
 138             this, &DolphinViewContainer::slotDirectoryLoadingCompleted);
 139     connect(m_view, &DolphinView::directoryLoadingCanceled,
 140             this, &DolphinViewContainer::slotDirectoryLoadingCanceled);
 141     connect(m_view, &DolphinView::itemCountChanged,
 142             this, &DolphinViewContainer::delayedStatusBarUpdate);
 143     connect(m_view, &DolphinView::directoryLoadingProgress,
 144             this, &DolphinViewContainer::updateDirectoryLoadingProgress);
 145     connect(m_view, &DolphinView::directorySortingProgress,
 146             this, &DolphinViewContainer::updateDirectorySortingProgress);
 147     connect(m_view, &DolphinView::selectionChanged,
 148             this, &DolphinViewContainer::delayedStatusBarUpdate);
 149     connect(m_view, &DolphinView::errorMessage,
 150             this, &DolphinViewContainer::showErrorMessage);
 151     connect(m_view, &DolphinView::urlIsFileError,
 152             this, &DolphinViewContainer::slotUrlIsFileError);
 153     connect(m_view, &DolphinView::activated,
 154             this, &DolphinViewContainer::activate);
 155
 156     // Initialize status bar
 157     m_statusBar = new DolphinStatusBar(this);
 158     m_statusBar->setUrl(m_view->url());
 159     m_statusBar->setZoomLevel(m_view->zoomLevel());
 160     connect(m_view, &DolphinView::urlChanged,
 161             m_statusBar, &DolphinStatusBar::setUrl);
 162     connect(m_view, &DolphinView::zoomLevelChanged,
 163             m_statusBar, &DolphinStatusBar::setZoomLevel);
 164     connect(m_view, &DolphinView::infoMessage,
 165             m_statusBar, &DolphinStatusBar::setText);
 166     connect(m_view, &DolphinView::operationCompletedMessage,
 167             m_statusBar, &DolphinStatusBar::setText);
 168     connect(m_view, &DolphinView::statusBarTextChanged,
 169             m_statusBar, &DolphinStatusBar::setDefaultText);
 170     connect(m_view, &DolphinView::statusBarTextChanged,
 171             m_statusBar, &DolphinStatusBar::resetToDefaultText);
 172     connect(m_statusBar, &DolphinStatusBar::stopPressed,
 173             this, &DolphinViewContainer::stopDirectoryLoading);
 174     connect(m_statusBar, &DolphinStatusBar::zoomLevelChanged,
 175             this, &DolphinViewContainer::slotStatusBarZoomLevelChanged);
 176
 177     m_statusBarTimer = new QTimer(this);
 178     m_statusBarTimer->setSingleShot(true);
 179     m_statusBarTimer->setInterval(300);
 180     connect(m_statusBarTimer, &QTimer::timeout, this, &DolphinViewContainer::updateStatusBar);
 181
 182     KIO::FileUndoManager* undoManager = KIO::FileUndoManager::self();
 183     connect(undoManager, &KIO::FileUndoManager::jobRecordingFinished,
 184             this, &DolphinViewContainer::delayedStatusBarUpdate);
 185
 186     m_topLayout->addWidget(m_searchBox);
 187     m_topLayout->addWidget(m_messageWidget);
 188     m_topLayout->addWidget(m_view);
 189     m_topLayout->addWidget(m_filterBar);
 190     m_topLayout->addWidget(m_statusBar);
 191
 192     setSearchModeEnabled(isSearchUrl(url));
 193
 194     connect(DetailsModeSettings::self(), &KCoreConfigSkeleton::configChanged, this, [=]() {
 195         if (view()->mode() == DolphinView::Mode::DetailsView) {
 196             view()->reload();
 197         }
 198     });
 199
 200     // Initialize kactivities resource instance
 201
 202 #ifdef HAVE_KACTIVITIES
 203     m_activityResourceInstance = new KActivities::ResourceInstance(window()->winId(), url);
 204     m_activityResourceInstance->setParent(this);
 205 #endif
 206 }
 207
 208 DolphinViewContainer::~DolphinViewContainer()
 209 {
 210 }
 211
 212 QUrl DolphinViewContainer::url() const
 213 {
 214     return m_view->url();
 215 }
 216
 217 void DolphinViewContainer::setActive(bool active)
 218 {
 219     m_searchBox->setActive(active);
 220     if (m_urlNavigatorConnected) {
 221         m_urlNavigatorConnected->setActive(active);
 222     }
 223     m_view->setActive(active);
 224
 225 #ifdef HAVE_KACTIVITIES
 226     if (active) {
 227         m_activityResourceInstance->notifyFocusedIn();
 228     } else {
 229         m_activityResourceInstance->notifyFocusedOut();
 230     }
 231 #endif
 232 }
 233
 234 bool DolphinViewContainer::isActive() const
 235 {
 236     return m_view->isActive();
 237 }
 238
 239 void DolphinViewContainer::setAutoGrabFocus(bool grab)
 240 {
 241     m_autoGrabFocus = grab;
 242 }
 243
 244 bool DolphinViewContainer::autoGrabFocus() const
 245 {
 246     return m_autoGrabFocus;
 247 }
 248
 249 QString DolphinViewContainer::currentSearchText() const
 250 {
 251      return m_searchBox->text();
 252 }
 253
 254 const DolphinStatusBar* DolphinViewContainer::statusBar() const
 255 {
 256     return m_statusBar;
 257 }
 258
 259 DolphinStatusBar* DolphinViewContainer::statusBar()
 260 {
 261     return m_statusBar;
 262 }
 263
 264 const DolphinUrlNavigator* DolphinViewContainer::urlNavigator() const
 265 {
 266     return m_urlNavigatorConnected;
 267 }
 268
 269 DolphinUrlNavigator* DolphinViewContainer::urlNavigator()
 270 {
 271     return m_urlNavigatorConnected;
 272 }
 273
 274 const DolphinUrlNavigator *DolphinViewContainer::urlNavigatorInternalWithHistory() const
 275 {
 276     return m_urlNavigator.get();
 277 }
 278
 279 DolphinUrlNavigator *DolphinViewContainer::urlNavigatorInternalWithHistory()
 280 {
 281     return m_urlNavigator.get();
 282 }
 283
 284 const DolphinView* DolphinViewContainer::view() const
 285 {
 286     return m_view;
 287 }
 288
 289 DolphinView* DolphinViewContainer::view()
 290 {
 291     return m_view;
 292 }
 293
 294 void DolphinViewContainer::connectUrlNavigator(DolphinUrlNavigator *urlNavigator)
 295 {
 296     Q_CHECK_PTR(urlNavigator);
 297     Q_ASSERT(!m_urlNavigatorConnected);
 298     Q_ASSERT(m_urlNavigator.get() != urlNavigator);
 299     Q_CHECK_PTR(m_view);
 300
 301     urlNavigator->setLocationUrl(m_view->url());
 302     if (m_urlNavigatorVisualState) {
 303         urlNavigator->setVisualState(*m_urlNavigatorVisualState.get());
 304         m_urlNavigatorVisualState.reset();
 305     }
 306     urlNavigator->setActive(isActive());
 307
 308     // Url changes are still done via m_urlNavigator.
 309     connect(urlNavigator, &DolphinUrlNavigator::urlChanged,
 310             m_urlNavigator.get(), &DolphinUrlNavigator::setLocationUrl);
 311     connect(urlNavigator, &DolphinUrlNavigator::urlsDropped,
 312             this, [=](const QUrl &destination, QDropEvent *event) {
 313         m_view->dropUrls(destination, event, urlNavigator->dropWidget());
 314     });
 315     // Aside from these, only visual things need to be connected.
 316     connect(m_view, &DolphinView::urlChanged,
 317             urlNavigator, &DolphinUrlNavigator::setLocationUrl);
 318     connect(urlNavigator, &DolphinUrlNavigator::activated,
 319             this, &DolphinViewContainer::activate);
 320
 321     m_urlNavigatorConnected = urlNavigator;
 322 }
 323
 324 void DolphinViewContainer::disconnectUrlNavigator()
 325 {
 326     if (!m_urlNavigatorConnected) {
 327         return;
 328     }
 329
 330     disconnect(m_urlNavigatorConnected, &DolphinUrlNavigator::urlChanged,
 331                m_urlNavigator.get(), &DolphinUrlNavigator::setLocationUrl);
 332     disconnect(m_urlNavigatorConnected, &DolphinUrlNavigator::urlsDropped,
 333                this, nullptr);
 334     disconnect(m_view, &DolphinView::urlChanged,
 335                m_urlNavigatorConnected, &DolphinUrlNavigator::setLocationUrl);
 336     disconnect(m_urlNavigatorConnected, &DolphinUrlNavigator::activated,
 337                this, &DolphinViewContainer::activate);
 338
 339     m_urlNavigatorVisualState = m_urlNavigatorConnected->visualState();
 340     m_urlNavigatorConnected = nullptr;
 341 }
 342
 343 void DolphinViewContainer::showMessage(const QString& msg, MessageType type)
 344 {
 345     if (msg.isEmpty()) {
 346         return;
 347     }
 348
 349     m_messageWidget->setText(msg);
 350
 351     // TODO: wrap at arbitrary character positions once QLabel can do this
 352     // https://bugreports.qt.io/browse/QTBUG-1276
 353     m_messageWidget->setWordWrap(true);
 354
 355     switch (type) {
 356     case Information: m_messageWidget->setMessageType(KMessageWidget::Information); break;
 357     case Warning:     m_messageWidget->setMessageType(KMessageWidget::Warning); break;
 358     case Error:       m_messageWidget->setMessageType(KMessageWidget::Error); break;
 359     default:
 360         Q_ASSERT(false);
 361         break;
 362     }
 363
 364     m_messageWidget->setWordWrap(false);
 365     const int unwrappedWidth = m_messageWidget->sizeHint().width();
 366     m_messageWidget->setWordWrap(unwrappedWidth > size().width());
 367
 368     if (m_messageWidget->isVisible()) {
 369         m_messageWidget->hide();
 370     }
 371     m_messageWidget->animatedShow();
 372 }
 373
 374 void DolphinViewContainer::readSettings()
 375 {
 376     // The startup settings should (only) get applied if they have been
 377     // modified by the user. Otherwise keep the (possibly) different current
 378     // setting of the filterbar.
 379     if (GeneralSettings::modifiedStartupSettings()) {
 380         setFilterBarVisible(GeneralSettings::filterBar());
 381     }
 382
 383     m_view->readSettings();
 384     m_statusBar->readSettings();
 385 }
 386
 387 bool DolphinViewContainer::isFilterBarVisible() const
 388 {
 389     return m_filterBar->isVisible();
 390 }
 391
 392 void DolphinViewContainer::setSearchModeEnabled(bool enabled)
 393 {
 394     m_searchBox->setVisible(enabled);
 395
 396     if (enabled) {
 397         const QUrl& locationUrl = m_urlNavigator->locationUrl();
 398         m_searchBox->fromSearchUrl(locationUrl);
 399     }
 400
 401     if (enabled == isSearchModeEnabled()) {
 402         if (enabled && !m_searchBox->hasFocus()) {
 403             m_searchBox->setFocus();
 404             m_searchBox->selectAll();
 405         }
 406         return;
 407     }
 408
 409     if (!enabled) {
 410         m_view->setViewPropertiesContext(QString());
 411
 412         // Restore the URL for the URL navigator. If Dolphin has been
 413         // started with a search-URL, the home URL is used as fallback.
 414         QUrl url = m_searchBox->searchPath();
 415         if (url.isEmpty() || !url.isValid() || isSearchUrl(url)) {
 416             url = Dolphin::homeUrl();
 417         }
 418         m_urlNavigatorConnected->setLocationUrl(url);
 419     }
 420
 421     m_searchModeEnabled = enabled;
 422
 423     Q_EMIT searchModeEnabledChanged(enabled);
 424 }
 425
 426 bool DolphinViewContainer::isSearchModeEnabled() const
 427 {
 428     return m_searchModeEnabled;
 429 }
 430
 431 QString DolphinViewContainer::placesText() const
 432 {
 433     QString text;
 434
 435     if (isSearchModeEnabled()) {
 436         text = i18n("Search for %1 in %2", m_searchBox->text(), m_searchBox->searchPath().fileName());
 437     } else {
 438         text = url().adjusted(QUrl::StripTrailingSlash).fileName();
 439         if (text.isEmpty()) {
 440             text = url().host();
 441         }
 442         if (text.isEmpty()) {
 443             text = url().scheme();
 444         }
 445     }
 446
 447     return text;
 448 }
 449
 450 void DolphinViewContainer::reload()
 451 {
 452     view()->reload();
 453     m_messageWidget->hide();
 454 }
 455
 456 QString DolphinViewContainer::captionWindowTitle() const
 457 {
 458     if (GeneralSettings::showFullPathInTitlebar() && !isSearchModeEnabled()) {
 459         if (!url().isLocalFile()) {
 460             return url().adjusted(QUrl::StripTrailingSlash).toString();
 461         }
 462         return url().adjusted(QUrl::StripTrailingSlash).path();
 463     } else {
 464         return DolphinViewContainer::caption();
 465     }
 466 }
 467
 468 QString DolphinViewContainer::caption() const
 469 {
 470     if (isSearchModeEnabled()) {
 471         if (currentSearchText().isEmpty()){
 472             return i18n("Search");
 473         } else {
 474             return i18n("Search for %1", currentSearchText());
 475         }
 476     }
 477
 478     KFilePlacesModel *placesModel = DolphinPlacesModelSingleton::instance().placesModel();
 479     const QString pattern = url().adjusted(QUrl::StripTrailingSlash).toString(QUrl::FullyEncoded).append("/?");
 480     const auto& matchedPlaces = placesModel->match(placesModel->index(0,0), KFilePlacesModel::UrlRole, QRegularExpression::anchoredPattern(pattern), 1, Qt::MatchRegularExpression);
 481
 482     if (!matchedPlaces.isEmpty()) {
 483         return placesModel->text(matchedPlaces.first());
 484     }
 485
 486
 487     if (!url().isLocalFile()) {
 488         QUrl adjustedUrl = url().adjusted(QUrl::StripTrailingSlash);
 489         QString caption;
 490         if (!adjustedUrl.fileName().isEmpty()) {
 491             caption = adjustedUrl.fileName();
 492         } else if (!adjustedUrl.path().isEmpty() && adjustedUrl.path() != "/") {
 493             caption = adjustedUrl.path();
 494         } else if (!adjustedUrl.host().isEmpty()) {
 495             caption = adjustedUrl.host();
 496         } else {
 497             caption = adjustedUrl.toString();
 498         }
 499         return caption;
 500     }
 501
 502     QString fileName = url().adjusted(QUrl::StripTrailingSlash).fileName();
 503     if (fileName.isEmpty()) {
 504         fileName = '/';
 505     }
 506
 507     return fileName;
 508 }
 509
 510 void DolphinViewContainer::setUrl(const QUrl& newUrl)
 511 {
 512     if (newUrl != m_urlNavigator->locationUrl()) {
 513         m_urlNavigator->setLocationUrl(newUrl);
 514     }
 515
 516 #ifdef HAVE_KACTIVITIES
 517     m_activityResourceInstance->setUri(newUrl);
 518 #endif
 519 }
 520
 521 void DolphinViewContainer::setFilterBarVisible(bool visible)
 522 {
 523     Q_ASSERT(m_filterBar);
 524     if (visible) {
 525         m_view->hideToolTip(ToolTipManager::HideBehavior::Instantly);
 526         m_filterBar->show();
 527         m_filterBar->setFocus();
 528         m_filterBar->selectAll();
 529     } else {
 530         closeFilterBar();
 531     }
 532 }
 533
 534 void DolphinViewContainer::delayedStatusBarUpdate()
 535 {
 536     if (m_statusBarTimer->isActive() && (m_statusBarTimestamp.elapsed() > 2000)) {
 537         // No update of the statusbar has been done during the last 2 seconds,
 538         // although an update has been requested. Trigger an immediate update.
 539         m_statusBarTimer->stop();
 540         updateStatusBar();
 541     } else {
 542         // Invoke updateStatusBar() with a small delay. This assures that
 543         // when a lot of delayedStatusBarUpdates() are done in a short time,
 544         // no bottleneck is given.
 545         m_statusBarTimer->start();
 546     }
 547 }
 548
 549 void DolphinViewContainer::updateStatusBar()
 550 {
 551     m_statusBarTimestamp.start();
 552     m_view->requestStatusBarText();
 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::disableUrlNavigatorSelectionRequests()
 732 {
 733     disconnect(m_urlNavigator.get(), &KUrlNavigator::urlSelectionRequested,
 734         this, &DolphinViewContainer::slotUrlSelectionRequested);
 735 }
 736
 737 void DolphinViewContainer::enableUrlNavigatorSelectionRequests()
 738 {
 739     connect(m_urlNavigator.get(), &KUrlNavigator::urlSelectionRequested,
 740         this, &DolphinViewContainer::slotUrlSelectionRequested);
 741 }
 742
 743 void DolphinViewContainer::redirect(const QUrl& oldUrl, const QUrl& newUrl)
 744 {
 745     Q_UNUSED(oldUrl)
 746     const bool block = m_urlNavigator->signalsBlocked();
 747     m_urlNavigator->blockSignals(true);
 748
 749     // Assure that the location state is reset for redirection URLs. This
 750     // allows to skip redirection URLs when going back or forward in the
 751     // URL history.
 752     m_urlNavigator->saveLocationState(QByteArray());
 753     m_urlNavigator->setLocationUrl(newUrl);
 754     setSearchModeEnabled(isSearchUrl(newUrl));
 755
 756     m_urlNavigator->blockSignals(block);
 757 }
 758
 759 void DolphinViewContainer::requestFocus()
 760 {
 761     m_view->setFocus();
 762 }
 763
 764 void DolphinViewContainer::startSearching()
 765 {
 766     Q_CHECK_PTR(m_urlNavigatorConnected);
 767     const QUrl url = m_searchBox->urlForSearching();
 768     if (url.isValid() && !url.isEmpty()) {
 769         m_view->setViewPropertiesContext(QStringLiteral("search"));
 770         m_urlNavigatorConnected->setLocationUrl(url);
 771     }
 772 }
 773
 774 void DolphinViewContainer::closeSearchBox()
 775 {
 776     setSearchModeEnabled(false);
 777 }
 778
 779 void DolphinViewContainer::stopDirectoryLoading()
 780 {
 781     m_view->stopLoading();
 782     m_statusBar->setProgress(100);
 783 }
 784
 785 void DolphinViewContainer::slotStatusBarZoomLevelChanged(int zoomLevel)
 786 {
 787     m_view->setZoomLevel(zoomLevel);
 788 }
 789
 790 void DolphinViewContainer::showErrorMessage(const QString& msg)
 791 {
 792     showMessage(msg, Error);
 793 }
 794
 795 bool DolphinViewContainer::isSearchUrl(const QUrl& url) const
 796 {
 797     return url.scheme().contains(QLatin1String("search"));
 798 }
 799
 800 void DolphinViewContainer::saveViewState()
 801 {
 802     QByteArray locationState;
 803     QDataStream stream(&locationState, QIODevice::WriteOnly);
 804     m_view->saveState(stream);
 805     m_urlNavigator->saveLocationState(locationState);
 806 }
 807
 808 void DolphinViewContainer::tryRestoreViewState()
 809 {
 810     QByteArray locationState = m_urlNavigator->locationState();
 811     if (!locationState.isEmpty()) {
 812         QDataStream stream(&locationState, QIODevice::ReadOnly);
 813         m_view->restoreState(stream);
 814     }
 815 }