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 "trash/dolphintrash.h"
  17 #include "views/viewmodecontroller.h"
  18 #include "views/viewproperties.h"
  19 #include "dolphin_detailsmodesettings.h"
  20
  21 #ifdef HAVE_KACTIVITIES
  22 #include <KActivities/ResourceInstance>
  23 #endif
  24 #include <KFileItemActions>
  25 #include <KFilePlacesModel>
  26 #include <KIO/PreviewJob>
  27 #include <KIO/OpenUrlJob>
  28 #include <KIO/JobUiDelegate>
  29 #include <KLocalizedString>
  30 #include <KMessageWidget>
  31 #include <KProtocolManager>
  32 #include <KShell>
  33 #include <KUrlComboBox>
  34 #include <KUrlNavigator>
  35
  36 #include <QDropEvent>
  37 #include <QLoggingCategory>
  38 #include <QMimeData>
  39 #include <QTimer>
  40 #include <QUrl>
  41 #include <QVBoxLayout>
  42 #include <QDesktopServices>
  43
  44 DolphinViewContainer::DolphinViewContainer(const QUrl& url, QWidget* parent) :
  45     QWidget(parent),
  46     m_topLayout(nullptr),
  47     m_navigatorWidget(nullptr),
  48     m_urlNavigator(nullptr),
  49     m_urlNavigatorConnected(nullptr),
  50     m_emptyTrashButton(nullptr),
  51     m_searchBox(nullptr),
  52     m_searchModeEnabled(false),
  53     m_messageWidget(nullptr),
  54     m_view(nullptr),
  55     m_filterBar(nullptr),
  56     m_statusBar(nullptr),
  57     m_statusBarTimer(nullptr),
  58     m_statusBarTimestamp(),
  59     m_autoGrabFocus(true)
  60 #ifdef HAVE_KACTIVITIES
  61     , m_activityResourceInstance(nullptr)
  62 #endif
  63 {
  64     hide();
  65
  66     m_topLayout = new QVBoxLayout(this);
  67     m_topLayout->setSpacing(0);
  68     m_topLayout->setContentsMargins(0, 0, 0, 0);
  69
  70     m_navigatorWidget = new QWidget(this);
  71     m_navigatorWidget->setVisible(false);
  72     QHBoxLayout* navigatorLayout = new QHBoxLayout(m_navigatorWidget);
  73     navigatorLayout->setSpacing(0);
  74     navigatorLayout->setContentsMargins(0, 0, 0, 0);
  75     m_urlNavigator = new DolphinUrlNavigator(url, m_navigatorWidget);
  76
  77     m_emptyTrashButton = new QPushButton(QIcon::fromTheme(QStringLiteral("user-trash")), i18nc("@action:button", "Empty Trash"), this);
  78     m_emptyTrashButton->setFlat(true);
  79     connect(m_emptyTrashButton, &QPushButton::clicked, this, [this]() { Trash::empty(this); });
  80     connect(&Trash::instance(), &Trash::emptinessChanged, m_emptyTrashButton, &QPushButton::setDisabled);
  81     m_emptyTrashButton->setDisabled(Trash::isEmpty());
  82     m_emptyTrashButton->hide();
  83
  84     m_searchBox = new DolphinSearchBox(this);
  85     m_searchBox->hide();
  86     connect(m_searchBox, &DolphinSearchBox::activated, this, &DolphinViewContainer::activate);
  87     connect(m_searchBox, &DolphinSearchBox::closeRequest, this, &DolphinViewContainer::closeSearchBox);
  88     connect(m_searchBox, &DolphinSearchBox::searchRequest, this, &DolphinViewContainer::startSearching);
  89     connect(m_searchBox, &DolphinSearchBox::focusViewRequest, this, &DolphinViewContainer::requestFocus);
  90     m_searchBox->setWhatsThis(xi18nc("@info:whatsthis findbar",
  91         "<para>This helps you find files and folders. Enter a <emphasis>"
  92         "search term</emphasis> and specify search settings with the "
  93         "buttons at the bottom:<list><item>Filename/Content: "
  94         "Does the item you are looking for contain the search terms "
  95         "within its filename or its contents?<nl/>The contents of images, "
  96         "audio files and videos will not be searched.</item><item>"
  97         "From Here/Everywhere: Do you want to search in this "
  98         "folder and its sub-folders or everywhere?</item><item>"
  99         "More Options: Click this to search by media type, access "
 100         "time or rating.</item><item>More Search Tools: Install other "
 101         "means to find an item.</item></list></para>"));
 102
 103     m_messageWidget = new KMessageWidget(this);
 104     m_messageWidget->setCloseButtonVisible(true);
 105     m_messageWidget->hide();
 106
 107 #ifndef Q_OS_WIN
 108     if (getuid() == 0) {
 109
 110         // We must be logged in as the root user; show a big scary warning
 111         showMessage(i18n("Running Dolphin as root can be dangerous. Please be careful."), Warning);
 112     }
 113 #endif
 114
 115     // Initialize filter bar
 116     m_filterBar = new FilterBar(this);
 117     m_filterBar->setVisible(GeneralSettings::filterBar());
 118
 119     connect(m_filterBar, &FilterBar::filterChanged,
 120             this, &DolphinViewContainer::setNameFilter);
 121     connect(m_filterBar, &FilterBar::closeRequest,
 122             this, &DolphinViewContainer::closeFilterBar);
 123     connect(m_filterBar, &FilterBar::focusViewRequest,
 124             this, &DolphinViewContainer::requestFocus);
 125
 126     // Initialize the main view
 127     m_view = new DolphinView(url, this);
 128     connect(m_view, &DolphinView::urlChanged,
 129             m_filterBar, &FilterBar::slotUrlChanged);
 130     connect(m_view, &DolphinView::urlChanged,
 131             m_messageWidget, &KMessageWidget::hide);
 132     // m_urlNavigator stays in sync with m_view's location changes and
 133     // keeps track of them so going back and forth in the history works.
 134     connect(m_view, &DolphinView::urlChanged,
 135             m_urlNavigator, &DolphinUrlNavigator::setLocationUrl);
 136     connect(m_urlNavigator, &DolphinUrlNavigator::urlChanged,
 137             this, &DolphinViewContainer::slotUrlNavigatorLocationChanged);
 138     connect(m_view, &DolphinView::writeStateChanged,
 139             this, &DolphinViewContainer::writeStateChanged);
 140     connect(m_view, &DolphinView::requestItemInfo,
 141             this, &DolphinViewContainer::showItemInfo);
 142     connect(m_view, &DolphinView::itemActivated,
 143             this, &DolphinViewContainer::slotItemActivated);
 144     connect(m_view, &DolphinView::itemsActivated,
 145             this, &DolphinViewContainer::slotItemsActivated);
 146     connect(m_view, &DolphinView::redirection,
 147             this, &DolphinViewContainer::redirect);
 148     connect(m_view, &DolphinView::directoryLoadingStarted,
 149             this, &DolphinViewContainer::slotDirectoryLoadingStarted);
 150     connect(m_view, &DolphinView::directoryLoadingCompleted,
 151             this, &DolphinViewContainer::slotDirectoryLoadingCompleted);
 152     connect(m_view, &DolphinView::directoryLoadingCanceled,
 153             this, &DolphinViewContainer::slotDirectoryLoadingCanceled);
 154     connect(m_view, &DolphinView::itemCountChanged,
 155             this, &DolphinViewContainer::delayedStatusBarUpdate);
 156     connect(m_view, &DolphinView::directoryLoadingProgress,
 157             this, &DolphinViewContainer::updateDirectoryLoadingProgress);
 158     connect(m_view, &DolphinView::directorySortingProgress,
 159             this, &DolphinViewContainer::updateDirectorySortingProgress);
 160     connect(m_view, &DolphinView::selectionChanged,
 161             this, &DolphinViewContainer::delayedStatusBarUpdate);
 162     connect(m_view, &DolphinView::errorMessage,
 163             this, &DolphinViewContainer::showErrorMessage);
 164     connect(m_view, &DolphinView::urlIsFileError,
 165             this, &DolphinViewContainer::slotUrlIsFileError);
 166     connect(m_view, &DolphinView::activated,
 167             this, &DolphinViewContainer::activate);
 168
 169     connect(m_view, &DolphinView::directoryLoadingCompleted, this, [this]() {
 170         m_emptyTrashButton->setVisible(m_view->url().scheme() == QLatin1String("trash"));
 171     });
 172
 173     // Initialize status bar
 174     m_statusBar = new DolphinStatusBar(this);
 175     m_statusBar->setUrl(m_view->url());
 176     m_statusBar->setZoomLevel(m_view->zoomLevel());
 177     connect(m_view, &DolphinView::urlChanged,
 178             m_statusBar, &DolphinStatusBar::setUrl);
 179     connect(m_view, &DolphinView::zoomLevelChanged,
 180             m_statusBar, &DolphinStatusBar::setZoomLevel);
 181     connect(m_view, &DolphinView::infoMessage,
 182             m_statusBar, &DolphinStatusBar::setText);
 183     connect(m_view, &DolphinView::operationCompletedMessage,
 184             m_statusBar, &DolphinStatusBar::setText);
 185     connect(m_statusBar, &DolphinStatusBar::stopPressed,
 186             this, &DolphinViewContainer::stopDirectoryLoading);
 187     connect(m_statusBar, &DolphinStatusBar::zoomLevelChanged,
 188             this, &DolphinViewContainer::slotStatusBarZoomLevelChanged);
 189
 190     m_statusBarTimer = new QTimer(this);
 191     m_statusBarTimer->setSingleShot(true);
 192     m_statusBarTimer->setInterval(300);
 193     connect(m_statusBarTimer, &QTimer::timeout, this, &DolphinViewContainer::updateStatusBar);
 194
 195     KIO::FileUndoManager* undoManager = KIO::FileUndoManager::self();
 196     connect(undoManager, &KIO::FileUndoManager::jobRecordingFinished,
 197             this, &DolphinViewContainer::delayedStatusBarUpdate);
 198
 199     navigatorLayout->addWidget(m_urlNavigator);
 200     navigatorLayout->addWidget(m_emptyTrashButton);
 201
 202     m_topLayout->addWidget(m_navigatorWidget);
 203     m_topLayout->addWidget(m_searchBox);
 204     m_topLayout->addWidget(m_messageWidget);
 205     m_topLayout->addWidget(m_view);
 206     m_topLayout->addWidget(m_filterBar);
 207     m_topLayout->addWidget(m_statusBar);
 208
 209     if (!GeneralSettings::locationInToolbar()) {
 210         connectToInternalUrlNavigator();
 211     }
 212     setSearchModeEnabled(isSearchUrl(url));
 213
 214     connect(DetailsModeSettings::self(), &KCoreConfigSkeleton::configChanged, this, [=]() {
 215         if (view()->mode() == DolphinView::Mode::DetailsView) {
 216             view()->reload();
 217         }
 218     });
 219
 220     // Initialize kactivities resource instance
 221
 222 #ifdef HAVE_KACTIVITIES
 223     m_activityResourceInstance = new KActivities::ResourceInstance(window()->winId(), url);
 224     m_activityResourceInstance->setParent(this);
 225 #endif
 226 }
 227
 228 DolphinViewContainer::~DolphinViewContainer()
 229 {
 230 }
 231
 232 QUrl DolphinViewContainer::url() const
 233 {
 234     return m_view->url();
 235 }
 236
 237 void DolphinViewContainer::setActive(bool active)
 238 {
 239     m_searchBox->setActive(active);
 240     m_urlNavigator->setActive(active);
 241     m_view->setActive(active);
 242
 243 #ifdef HAVE_KACTIVITIES
 244     if (active) {
 245         m_activityResourceInstance->notifyFocusedIn();
 246     } else {
 247         m_activityResourceInstance->notifyFocusedOut();
 248     }
 249 #endif
 250 }
 251
 252 bool DolphinViewContainer::isActive() const
 253 {
 254     Q_ASSERT(!m_urlNavigatorConnected || m_urlNavigatorConnected->isActive() == m_view->isActive());
 255     return m_view->isActive();
 256 }
 257
 258 void DolphinViewContainer::setAutoGrabFocus(bool grab)
 259 {
 260     m_autoGrabFocus = grab;
 261 }
 262
 263 bool DolphinViewContainer::autoGrabFocus() const
 264 {
 265     return m_autoGrabFocus;
 266 }
 267
 268 QString DolphinViewContainer::currentSearchText() const
 269 {
 270      return m_searchBox->text();
 271 }
 272
 273 const DolphinStatusBar* DolphinViewContainer::statusBar() const
 274 {
 275     return m_statusBar;
 276 }
 277
 278 DolphinStatusBar* DolphinViewContainer::statusBar()
 279 {
 280     return m_statusBar;
 281 }
 282
 283 const DolphinUrlNavigator* DolphinViewContainer::urlNavigator() const
 284 {
 285     return m_urlNavigatorConnected;
 286 }
 287
 288 DolphinUrlNavigator* DolphinViewContainer::urlNavigator()
 289 {
 290     return m_urlNavigatorConnected;
 291 }
 292
 293 const DolphinUrlNavigator *DolphinViewContainer::urlNavigatorInternal() const
 294 {
 295     return m_urlNavigator;
 296 }
 297
 298 DolphinUrlNavigator *DolphinViewContainer::urlNavigatorInternal()
 299 {
 300     return m_urlNavigator;
 301 }
 302
 303 const DolphinView* DolphinViewContainer::view() const
 304 {
 305     return m_view;
 306 }
 307
 308 DolphinView* DolphinViewContainer::view()
 309 {
 310     return m_view;
 311 }
 312
 313 void DolphinViewContainer::connectUrlNavigator(DolphinUrlNavigator *urlNavigator)
 314 {
 315     Q_CHECK_PTR(urlNavigator);
 316     Q_ASSERT(!m_urlNavigatorConnected);
 317     Q_CHECK_PTR(m_view);
 318
 319     m_urlNavigatorConnected = urlNavigator;
 320
 321     // m_urlNavigator is already connected through urlChanged signals.
 322     if (urlNavigator != m_urlNavigator) {
 323         urlNavigator->setLocationUrl(m_view->url());
 324         connect(m_view, &DolphinView::urlChanged,
 325             urlNavigator, &DolphinUrlNavigator::setLocationUrl);
 326         connect(urlNavigator, &DolphinUrlNavigator::urlChanged,
 327             this, &DolphinViewContainer::slotUrlNavigatorLocationChanged);
 328     }
 329
 330     connect(urlNavigator, &DolphinUrlNavigator::activated,
 331             this, &DolphinViewContainer::activate);
 332     connect(urlNavigator, &DolphinUrlNavigator::urlAboutToBeChanged,
 333             this, &DolphinViewContainer::slotUrlNavigatorLocationAboutToBeChanged);
 334     connect(urlNavigator, &DolphinUrlNavigator::urlSelectionRequested,
 335             this, &DolphinViewContainer::slotUrlSelectionRequested);
 336     connect(urlNavigator, &DolphinUrlNavigator::urlsDropped, this, [=](const QUrl &destination, QDropEvent *event) {
 337         m_view->dropUrls(destination, event, urlNavigator->dropWidget());
 338     });
 339
 340     updateNavigatorWidgetVisibility();
 341 }
 342
 343 void DolphinViewContainer::disconnectUrlNavigator()
 344 {
 345     if (!m_urlNavigatorConnected) {
 346         return;
 347     }
 348
 349     // m_urlNavigator stays connected through the urlChanged signals.
 350     if (m_urlNavigatorConnected != m_urlNavigator) {
 351         disconnect(m_view, &DolphinView::urlChanged,
 352             m_urlNavigatorConnected, &DolphinUrlNavigator::setLocationUrl);
 353         disconnect(m_urlNavigatorConnected, &DolphinUrlNavigator::urlChanged,
 354             this, &DolphinViewContainer::slotUrlNavigatorLocationChanged);
 355     }
 356
 357     disconnect(m_urlNavigatorConnected, &DolphinUrlNavigator::activated,
 358             this, &DolphinViewContainer::activate);
 359     disconnect(m_urlNavigatorConnected, &DolphinUrlNavigator::urlAboutToBeChanged,
 360             this, &DolphinViewContainer::slotUrlNavigatorLocationAboutToBeChanged);
 361     disconnect(m_urlNavigatorConnected, &DolphinUrlNavigator::urlSelectionRequested,
 362             this, &DolphinViewContainer::slotUrlSelectionRequested);
 363     disconnect(m_urlNavigatorConnected, &DolphinUrlNavigator::urlsDropped,
 364             this, nullptr);
 365
 366     m_urlNavigatorConnected = nullptr;
 367     updateNavigatorWidgetVisibility();
 368 }
 369
 370 void DolphinViewContainer::showMessage(const QString& msg, MessageType type)
 371 {
 372     if (msg.isEmpty()) {
 373         return;
 374     }
 375
 376     m_messageWidget->setText(msg);
 377
 378     // TODO: wrap at arbitrary character positions once QLabel can do this
 379     // https://bugreports.qt.io/browse/QTBUG-1276
 380     m_messageWidget->setWordWrap(true);
 381
 382     switch (type) {
 383     case Information: m_messageWidget->setMessageType(KMessageWidget::Information); break;
 384     case Warning:     m_messageWidget->setMessageType(KMessageWidget::Warning); break;
 385     case Error:       m_messageWidget->setMessageType(KMessageWidget::Error); break;
 386     default:
 387         Q_ASSERT(false);
 388         break;
 389     }
 390
 391     m_messageWidget->setWordWrap(false);
 392     const int unwrappedWidth = m_messageWidget->sizeHint().width();
 393     m_messageWidget->setWordWrap(unwrappedWidth > size().width());
 394
 395     if (m_messageWidget->isVisible()) {
 396         m_messageWidget->hide();
 397     }
 398     m_messageWidget->animatedShow();
 399 }
 400
 401 void DolphinViewContainer::readSettings()
 402 {
 403     // The startup settings should (only) get applied if they have been
 404     // modified by the user. Otherwise keep the (possibly) different current
 405     // setting of the filterbar.
 406     if (GeneralSettings::modifiedStartupSettings()) {
 407         setFilterBarVisible(GeneralSettings::filterBar());
 408     }
 409
 410     m_view->readSettings();
 411     m_statusBar->readSettings();
 412 }
 413
 414 bool DolphinViewContainer::isFilterBarVisible() const
 415 {
 416     return m_filterBar->isVisible();
 417 }
 418
 419 void DolphinViewContainer::setSearchModeEnabled(bool enabled)
 420 {
 421     m_searchBox->setVisible(enabled);
 422     updateNavigatorWidgetVisibility();
 423
 424     if (enabled) {
 425         const QUrl& locationUrl = m_urlNavigatorConnected->locationUrl();
 426         m_searchBox->fromSearchUrl(locationUrl);
 427     }
 428
 429     if (enabled == isSearchModeEnabled()) {
 430         if (enabled && !m_searchBox->hasFocus()) {
 431             m_searchBox->setFocus();
 432             m_searchBox->selectAll();
 433         }
 434         return;
 435     }
 436
 437     if (!enabled) {
 438         m_view->setViewPropertiesContext(QString());
 439
 440         // Restore the URL for the URL navigator. If Dolphin has been
 441         // started with a search-URL, the home URL is used as fallback.
 442         QUrl url = m_searchBox->searchPath();
 443         if (url.isEmpty() || !url.isValid() || isSearchUrl(url)) {
 444             url = Dolphin::homeUrl();
 445         }
 446         m_urlNavigatorConnected->setLocationUrl(url);
 447     }
 448
 449     m_searchModeEnabled = enabled;
 450
 451     Q_EMIT searchModeEnabledChanged(enabled);
 452 }
 453
 454 bool DolphinViewContainer::isSearchModeEnabled() const
 455 {
 456     return m_searchModeEnabled;
 457 }
 458
 459 QString DolphinViewContainer::placesText() const
 460 {
 461     QString text;
 462
 463     if (isSearchModeEnabled()) {
 464         text = i18n("Search for %1 in %2", m_searchBox->text(), m_searchBox->searchPath().fileName());
 465     } else {
 466         text = url().adjusted(QUrl::StripTrailingSlash).fileName();
 467         if (text.isEmpty()) {
 468             text = url().host();
 469         }
 470         if (text.isEmpty()) {
 471             text = url().scheme();
 472         }
 473     }
 474
 475     return text;
 476 }
 477
 478 void DolphinViewContainer::reload()
 479 {
 480     view()->reload();
 481     m_messageWidget->hide();
 482 }
 483
 484 QString DolphinViewContainer::captionWindowTitle() const
 485 {
 486     if (GeneralSettings::showFullPathInTitlebar() && !isSearchModeEnabled()) {
 487         if (!url().isLocalFile()) {
 488             return url().adjusted(QUrl::StripTrailingSlash).toString();
 489         }
 490         return url().adjusted(QUrl::StripTrailingSlash).path();
 491     } else {
 492         return DolphinViewContainer::caption();
 493     }
 494 }
 495
 496 QString DolphinViewContainer::caption() const
 497 {
 498     if (isSearchModeEnabled()) {
 499         if (currentSearchText().isEmpty()){
 500             return i18n("Search");
 501         } else {
 502             return i18n("Search for %1", currentSearchText());
 503         }
 504     }
 505
 506     KFilePlacesModel *placesModel = DolphinPlacesModelSingleton::instance().placesModel();
 507     const auto& matchedPlaces = placesModel->match(placesModel->index(0,0), KFilePlacesModel::UrlRole, QUrl(url().adjusted(QUrl::StripTrailingSlash).toString(QUrl::FullyEncoded).append("/?")), 1, Qt::MatchRegExp);
 508
 509     if (!matchedPlaces.isEmpty()) {
 510         return placesModel->text(matchedPlaces.first());
 511     }
 512
 513
 514     if (!url().isLocalFile()) {
 515         QUrl adjustedUrl = url().adjusted(QUrl::StripTrailingSlash);
 516         QString caption;
 517         if (!adjustedUrl.fileName().isEmpty()) {
 518             caption = adjustedUrl.fileName();
 519         } else if (!adjustedUrl.path().isEmpty() && adjustedUrl.path() != "/") {
 520             caption = adjustedUrl.path();
 521         } else if (!adjustedUrl.host().isEmpty()) {
 522             caption = adjustedUrl.host();
 523         } else {
 524             caption = adjustedUrl.toString();
 525         }
 526         return caption;
 527     }
 528
 529     QString fileName = url().adjusted(QUrl::StripTrailingSlash).fileName();
 530     if (fileName.isEmpty()) {
 531         fileName = '/';
 532     }
 533
 534     return fileName;
 535 }
 536
 537 void DolphinViewContainer::setUrl(const QUrl& newUrl)
 538 {
 539     Q_CHECK_PTR(m_urlNavigatorConnected);
 540     if (newUrl != m_urlNavigatorConnected->locationUrl()) {
 541         m_urlNavigatorConnected->setLocationUrl(newUrl);
 542     }
 543
 544 #ifdef HAVE_KACTIVITIES
 545     m_activityResourceInstance->setUri(newUrl);
 546 #endif
 547 }
 548
 549 void DolphinViewContainer::setFilterBarVisible(bool visible)
 550 {
 551     Q_ASSERT(m_filterBar);
 552     if (visible) {
 553         m_view->hideToolTip(ToolTipManager::HideBehavior::Instantly);
 554         m_filterBar->show();
 555         m_filterBar->setFocus();
 556         m_filterBar->selectAll();
 557     } else {
 558         closeFilterBar();
 559     }
 560 }
 561
 562 void DolphinViewContainer::delayedStatusBarUpdate()
 563 {
 564     if (m_statusBarTimer->isActive() && (m_statusBarTimestamp.elapsed() > 2000)) {
 565         // No update of the statusbar has been done during the last 2 seconds,
 566         // although an update has been requested. Trigger an immediate update.
 567         m_statusBarTimer->stop();
 568         updateStatusBar();
 569     } else {
 570         // Invoke updateStatusBar() with a small delay. This assures that
 571         // when a lot of delayedStatusBarUpdates() are done in a short time,
 572         // no bottleneck is given.
 573         m_statusBarTimer->start();
 574     }
 575 }
 576
 577 void DolphinViewContainer::updateStatusBar()
 578 {
 579     m_statusBarTimestamp.start();
 580
 581     const QString text = m_view->statusBarText();
 582     m_statusBar->setDefaultText(text);
 583     m_statusBar->resetToDefaultText();
 584 }
 585
 586 void DolphinViewContainer::updateDirectoryLoadingProgress(int percent)
 587 {
 588     if (m_statusBar->progressText().isEmpty()) {
 589         m_statusBar->setProgressText(i18nc("@info:progress", "Loading folder..."));
 590     }
 591     m_statusBar->setProgress(percent);
 592 }
 593
 594 void DolphinViewContainer::updateDirectorySortingProgress(int percent)
 595 {
 596     if (m_statusBar->progressText().isEmpty()) {
 597         m_statusBar->setProgressText(i18nc("@info:progress", "Sorting..."));
 598     }
 599     m_statusBar->setProgress(percent);
 600 }
 601
 602 void DolphinViewContainer::updateNavigatorWidgetVisibility()
 603 {
 604     if (m_urlNavigatorConnected == m_urlNavigator && !m_searchBox->isVisible()) {
 605         m_navigatorWidget->setVisible(true);
 606     } else {
 607         m_navigatorWidget->setVisible(false);
 608     }
 609 }
 610
 611 void DolphinViewContainer::slotDirectoryLoadingStarted()
 612 {
 613     if (isSearchUrl(url())) {
 614         // Search KIO-slaves usually don't provide any progress information. Give
 615         // a hint to the user that a searching is done:
 616         updateStatusBar();
 617         m_statusBar->setProgressText(i18nc("@info", "Searching..."));
 618         m_statusBar->setProgress(-1);
 619     } else {
 620         // Trigger an undetermined progress indication. The progress
 621         // information in percent will be triggered by the percent() signal
 622         // of the directory lister later.
 623         m_statusBar->setProgressText(QString());
 624         updateDirectoryLoadingProgress(-1);
 625     }
 626 }
 627
 628 void DolphinViewContainer::slotDirectoryLoadingCompleted()
 629 {
 630     if (!m_statusBar->progressText().isEmpty()) {
 631         m_statusBar->setProgressText(QString());
 632         m_statusBar->setProgress(100);
 633     }
 634
 635     if (isSearchUrl(url()) && m_view->itemsCount() == 0) {
 636         // The dir lister has been completed on a Baloo-URI and no items have been found. Instead
 637         // of showing the default status bar information ("0 items") a more helpful information is given:
 638         m_statusBar->setText(i18nc("@info:status", "No items found."));
 639     } else {
 640         updateStatusBar();
 641     }
 642 }
 643
 644 void DolphinViewContainer::slotDirectoryLoadingCanceled()
 645 {
 646     if (!m_statusBar->progressText().isEmpty()) {
 647         m_statusBar->setProgressText(QString());
 648         m_statusBar->setProgress(100);
 649     }
 650
 651     m_statusBar->setText(QString());
 652 }
 653
 654 void DolphinViewContainer::slotUrlIsFileError(const QUrl& url)
 655 {
 656     const KFileItem item(url);
 657
 658     // Find out if the file can be opened in the view (for example, this is the
 659     // case if the file is an archive). The mime type must be known for that.
 660     item.determineMimeType();
 661     const QUrl& folderUrl = DolphinView::openItemAsFolderUrl(item, true);
 662     if (!folderUrl.isEmpty()) {
 663         setUrl(folderUrl);
 664     } else {
 665         slotItemActivated(item);
 666     }
 667 }
 668
 669 void DolphinViewContainer::slotItemActivated(const KFileItem& item)
 670 {
 671     // It is possible to activate items on inactive views by
 672     // drag & drop operations. Assure that activating an item always
 673     // results in an active view.
 674     m_view->setActive(true);
 675
 676     const QUrl& url = DolphinView::openItemAsFolderUrl(item, GeneralSettings::browseThroughArchives());
 677     if (!url.isEmpty()) {
 678         setUrl(url);
 679         return;
 680     }
 681
 682     KIO::OpenUrlJob *job = new KIO::OpenUrlJob(item.targetUrl());
 683     job->setUiDelegate(new KIO::JobUiDelegate(KJobUiDelegate::AutoHandlingEnabled, this));
 684     job->setShowOpenOrExecuteDialog(true);
 685     job->start();
 686 }
 687
 688 void DolphinViewContainer::slotItemsActivated(const KFileItemList& items)
 689 {
 690     Q_ASSERT(items.count() >= 2);
 691
 692     KFileItemActions fileItemActions(this);
 693     fileItemActions.runPreferredApplications(items, QString());
 694 }
 695
 696 void DolphinViewContainer::showItemInfo(const KFileItem& item)
 697 {
 698     if (item.isNull()) {
 699         m_statusBar->resetToDefaultText();
 700     } else {
 701         m_statusBar->setText(item.getStatusBarInfo());
 702     }
 703 }
 704
 705 void DolphinViewContainer::closeFilterBar()
 706 {
 707     m_filterBar->closeFilterBar();
 708     m_view->setFocus();
 709     Q_EMIT showFilterBarChanged(false);
 710 }
 711
 712 void DolphinViewContainer::setNameFilter(const QString& nameFilter)
 713 {
 714     m_view->hideToolTip(ToolTipManager::HideBehavior::Instantly);
 715     m_view->setNameFilter(nameFilter);
 716     delayedStatusBarUpdate();
 717 }
 718
 719 void DolphinViewContainer::activate()
 720 {
 721     setActive(true);
 722 }
 723
 724 void DolphinViewContainer::slotUrlNavigatorLocationAboutToBeChanged(const QUrl&)
 725 {
 726     saveViewState();
 727 }
 728
 729 void DolphinViewContainer::slotUrlNavigatorLocationChanged(const QUrl& url)
 730 {
 731     if (m_urlNavigatorConnected) {
 732         m_urlNavigatorConnected->slotReturnPressed();
 733     }
 734
 735     if (KProtocolManager::supportsListing(url)) {
 736         setSearchModeEnabled(isSearchUrl(url));
 737         m_view->setUrl(url);
 738         tryRestoreViewState();
 739
 740         if (m_autoGrabFocus && isActive() && !isSearchUrl(url)) {
 741             // When an URL has been entered, the view should get the focus.
 742             // The focus must be requested asynchronously, as changing the URL might create
 743             // a new view widget.
 744             QTimer::singleShot(0, this, &DolphinViewContainer::requestFocus);
 745         }
 746     } else if (KProtocolManager::isSourceProtocol(url)) {
 747         if (url.scheme().startsWith(QLatin1String("http"))) {
 748             showMessage(i18nc("@info:status", // krazy:exclude=qmethods
 749                               "Dolphin does not support web pages, the web browser has been launched"),
 750                         Information);
 751         } else {
 752             showMessage(i18nc("@info:status",
 753                               "Protocol not supported by Dolphin, default application has been launched"),
 754                         Information);
 755         }
 756
 757         QDesktopServices::openUrl(url);
 758         redirect(QUrl(), m_urlNavigator->locationUrl(1));
 759     } else {
 760         showMessage(i18nc("@info:status", "Invalid protocol"), Error);
 761         m_urlNavigator->goBack();
 762     }
 763 }
 764
 765 void DolphinViewContainer::slotUrlSelectionRequested(const QUrl& url)
 766 {
 767     m_view->markUrlsAsSelected({url});
 768     m_view->markUrlAsCurrent(url); // makes the item scroll into view
 769 }
 770
 771 void DolphinViewContainer::redirect(const QUrl& oldUrl, const QUrl& newUrl)
 772 {
 773     Q_UNUSED(oldUrl)
 774     const bool block = m_urlNavigator->signalsBlocked();
 775     m_urlNavigator->blockSignals(true);
 776
 777     // Assure that the location state is reset for redirection URLs. This
 778     // allows to skip redirection URLs when going back or forward in the
 779     // URL history.
 780     m_urlNavigator->saveLocationState(QByteArray());
 781     m_urlNavigator->setLocationUrl(newUrl);
 782     setSearchModeEnabled(isSearchUrl(newUrl));
 783
 784     m_urlNavigator->blockSignals(block);
 785 }
 786
 787 void DolphinViewContainer::requestFocus()
 788 {
 789     m_view->setFocus();
 790 }
 791
 792 void DolphinViewContainer::startSearching()
 793 {
 794     Q_CHECK_PTR(m_urlNavigatorConnected);
 795     const QUrl url = m_searchBox->urlForSearching();
 796     if (url.isValid() && !url.isEmpty()) {
 797         m_view->setViewPropertiesContext(QStringLiteral("search"));
 798         m_urlNavigatorConnected->setLocationUrl(url);
 799     }
 800 }
 801
 802 void DolphinViewContainer::closeSearchBox()
 803 {
 804     setSearchModeEnabled(false);
 805 }
 806
 807 void DolphinViewContainer::stopDirectoryLoading()
 808 {
 809     m_view->stopLoading();
 810     m_statusBar->setProgress(100);
 811 }
 812
 813 void DolphinViewContainer::slotStatusBarZoomLevelChanged(int zoomLevel)
 814 {
 815     m_view->setZoomLevel(zoomLevel);
 816 }
 817
 818 void DolphinViewContainer::showErrorMessage(const QString& msg)
 819 {
 820     showMessage(msg, Error);
 821 }
 822
 823 bool DolphinViewContainer::isSearchUrl(const QUrl& url) const
 824 {
 825     return url.scheme().contains(QLatin1String("search"));
 826 }
 827
 828 void DolphinViewContainer::saveViewState()
 829 {
 830     QByteArray locationState;
 831     QDataStream stream(&locationState, QIODevice::WriteOnly);
 832     m_view->saveState(stream);
 833     m_urlNavigator->saveLocationState(locationState);
 834 }
 835
 836 void DolphinViewContainer::tryRestoreViewState()
 837 {
 838     QByteArray locationState = m_urlNavigator->locationState();
 839     if (!locationState.isEmpty()) {
 840         QDataStream stream(&locationState, QIODevice::ReadOnly);
 841         m_view->restoreState(stream);
 842     }
 843 }