src/dolphinviewcontainer.cpp

   1 /*
   2  * SPDX-FileCopyrightText: 2007 Peter Penz <peter.penz19@gmail.com>
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-or-later
   5  */
   6
   7 #include "dolphinviewcontainer.h"
   8
   9 #include "dolphin_generalsettings.h"
  10 #include "dolphindebug.h"
  11 #include "dolphinplacesmodelsingleton.h"
  12 #include "filterbar/filterbar.h"
  13 #include "global.h"
  14 #include "search/dolphinsearchbox.h"
  15 #include "statusbar/dolphinstatusbar.h"
  16 #include "views/viewmodecontroller.h"
  17 #include "views/viewproperties.h"
  18 #include "dolphin_detailsmodesettings.h"
  19
  20 #ifdef HAVE_KACTIVITIES
  21 #include <KActivities/ResourceInstance>
  22 #endif
  23 #include <KFileItemActions>
  24 #include <KFilePlacesModel>
  25 #include <KIO/PreviewJob>
  26 #include <KIO/OpenUrlJob>
  27 #include <KIO/JobUiDelegate>
  28 #include <KLocalizedString>
  29 #include <KMessageWidget>
  30 #include <KProtocolManager>
  31 #include <KShell>
  32 #include <KUrlComboBox>
  33 #include <KUrlNavigator>
  34
  35 #include <QDropEvent>
  36 #include <QLoggingCategory>
  37 #include <QMimeData>
  38 #include <QTimer>
  39 #include <QUrl>
  40 #include <QVBoxLayout>
  41 #include <QDesktopServices>
  42
  43 DolphinViewContainer::DolphinViewContainer(const QUrl& url, QWidget* parent) :
  44     QWidget(parent),
  45     m_topLayout(nullptr),
  46     m_urlNavigator{new DolphinUrlNavigator(url)},
  47     m_urlNavigatorConnected{nullptr},
  48     m_searchBox(nullptr),
  49     m_searchModeEnabled(false),
  50     m_messageWidget(nullptr),
  51     m_view(nullptr),
  52     m_filterBar(nullptr),
  53     m_statusBar(nullptr),
  54     m_statusBarTimer(nullptr),
  55     m_statusBarTimestamp(),
  56     m_autoGrabFocus(true)
  57 #ifdef HAVE_KACTIVITIES
  58     , m_activityResourceInstance(nullptr)
  59 #endif
  60 {
  61     hide();
  62
  63     m_topLayout = new QVBoxLayout(this);
  64     m_topLayout->setSpacing(0);
  65     m_topLayout->setContentsMargins(0, 0, 0, 0);
  66
  67     m_searchBox = new DolphinSearchBox(this);
  68     m_searchBox->hide();
  69     connect(m_searchBox, &DolphinSearchBox::activated, this, &DolphinViewContainer::activate);
  70     connect(m_searchBox, &DolphinSearchBox::closeRequest, this, &DolphinViewContainer::closeSearchBox);
  71     connect(m_searchBox, &DolphinSearchBox::searchRequest, this, &DolphinViewContainer::startSearching);
  72     connect(m_searchBox, &DolphinSearchBox::focusViewRequest, this, &DolphinViewContainer::requestFocus);
  73     m_searchBox->setWhatsThis(xi18nc("@info:whatsthis findbar",
  74         "<para>This helps you find files and folders. Enter a <emphasis>"
  75         "search term</emphasis> and specify search settings with the "
  76         "buttons at the bottom:<list><item>Filename/Content: "
  77         "Does the item you are looking for contain the search terms "
  78         "within its filename or its contents?<nl/>The contents of images, "
  79         "audio files and videos will not be searched.</item><item>"
  80         "From Here/Everywhere: Do you want to search in this "
  81         "folder and its sub-folders or everywhere?</item><item>"
  82         "More Options: Click this to search by media type, access "
  83         "time or rating.</item><item>More Search Tools: Install other "
  84         "means to find an item.</item></list></para>"));
  85
  86     m_messageWidget = new KMessageWidget(this);
  87     m_messageWidget->setCloseButtonVisible(true);
  88     m_messageWidget->hide();
  89
  90 #ifndef Q_OS_WIN
  91     if (getuid() == 0) {
  92
  93         // We must be logged in as the root user; show a big scary warning
  94         showMessage(i18n("Running Dolphin as root can be dangerous. Please be careful."), Warning);
  95     }
  96 #endif
  97
  98     // Initialize filter bar
  99     m_filterBar = new FilterBar(this);
 100     m_filterBar->setVisible(GeneralSettings::filterBar());
 101
 102     connect(m_filterBar, &FilterBar::filterChanged,
 103             this, &DolphinViewContainer::setNameFilter);
 104     connect(m_filterBar, &FilterBar::closeRequest,
 105             this, &DolphinViewContainer::closeFilterBar);
 106     connect(m_filterBar, &FilterBar::focusViewRequest,
 107             this, &DolphinViewContainer::requestFocus);
 108
 109     // Initialize the main view
 110     m_view = new DolphinView(url, this);
 111     connect(m_view, &DolphinView::urlChanged,
 112             m_filterBar, &FilterBar::slotUrlChanged);
 113     connect(m_view, &DolphinView::urlChanged,
 114             m_messageWidget, &KMessageWidget::hide);
 115     // m_urlNavigator stays in sync with m_view's location changes and
 116     // keeps track of them so going back and forth in the history works.
 117     connect(m_view, &DolphinView::urlChanged,
 118             m_urlNavigator.get(), &DolphinUrlNavigator::setLocationUrl);
 119     connect(m_urlNavigator.get(), &DolphinUrlNavigator::urlChanged,
 120             this, &DolphinViewContainer::slotUrlNavigatorLocationChanged);
 121     connect(m_view, &DolphinView::writeStateChanged,
 122             this, &DolphinViewContainer::writeStateChanged);
 123     connect(m_view, &DolphinView::requestItemInfo,
 124             this, &DolphinViewContainer::showItemInfo);
 125     connect(m_view, &DolphinView::itemActivated,
 126             this, &DolphinViewContainer::slotItemActivated);
 127     connect(m_view, &DolphinView::itemsActivated,
 128             this, &DolphinViewContainer::slotItemsActivated);
 129     connect(m_view, &DolphinView::redirection,
 130             this, &DolphinViewContainer::redirect);
 131     connect(m_view, &DolphinView::directoryLoadingStarted,
 132             this, &DolphinViewContainer::slotDirectoryLoadingStarted);
 133     connect(m_view, &DolphinView::directoryLoadingCompleted,
 134             this, &DolphinViewContainer::slotDirectoryLoadingCompleted);
 135     connect(m_view, &DolphinView::directoryLoadingCanceled,
 136             this, &DolphinViewContainer::slotDirectoryLoadingCanceled);
 137     connect(m_view, &DolphinView::itemCountChanged,
 138             this, &DolphinViewContainer::delayedStatusBarUpdate);
 139     connect(m_view, &DolphinView::directoryLoadingProgress,
 140             this, &DolphinViewContainer::updateDirectoryLoadingProgress);
 141     connect(m_view, &DolphinView::directorySortingProgress,
 142             this, &DolphinViewContainer::updateDirectorySortingProgress);
 143     connect(m_view, &DolphinView::selectionChanged,
 144             this, &DolphinViewContainer::delayedStatusBarUpdate);
 145     connect(m_view, &DolphinView::errorMessage,
 146             this, &DolphinViewContainer::showErrorMessage);
 147     connect(m_view, &DolphinView::urlIsFileError,
 148             this, &DolphinViewContainer::slotUrlIsFileError);
 149     connect(m_view, &DolphinView::activated,
 150             this, &DolphinViewContainer::activate);
 151
 152     // Initialize status bar
 153     m_statusBar = new DolphinStatusBar(this);
 154     m_statusBar->setUrl(m_view->url());
 155     m_statusBar->setZoomLevel(m_view->zoomLevel());
 156     connect(m_view, &DolphinView::urlChanged,
 157             m_statusBar, &DolphinStatusBar::setUrl);
 158     connect(m_view, &DolphinView::zoomLevelChanged,
 159             m_statusBar, &DolphinStatusBar::setZoomLevel);
 160     connect(m_view, &DolphinView::infoMessage,
 161             m_statusBar, &DolphinStatusBar::setText);
 162     connect(m_view, &DolphinView::operationCompletedMessage,
 163             m_statusBar, &DolphinStatusBar::setText);
 164     connect(m_statusBar, &DolphinStatusBar::stopPressed,
 165             this, &DolphinViewContainer::stopDirectoryLoading);
 166     connect(m_statusBar, &DolphinStatusBar::zoomLevelChanged,
 167             this, &DolphinViewContainer::slotStatusBarZoomLevelChanged);
 168
 169     m_statusBarTimer = new QTimer(this);
 170     m_statusBarTimer->setSingleShot(true);
 171     m_statusBarTimer->setInterval(300);
 172     connect(m_statusBarTimer, &QTimer::timeout, this, &DolphinViewContainer::updateStatusBar);
 173
 174     KIO::FileUndoManager* undoManager = KIO::FileUndoManager::self();
 175     connect(undoManager, &KIO::FileUndoManager::jobRecordingFinished,
 176             this, &DolphinViewContainer::delayedStatusBarUpdate);
 177
 178     m_topLayout->addWidget(m_searchBox);
 179     m_topLayout->addWidget(m_messageWidget);
 180     m_topLayout->addWidget(m_view);
 181     m_topLayout->addWidget(m_filterBar);
 182     m_topLayout->addWidget(m_statusBar);
 183
 184     setSearchModeEnabled(isSearchUrl(url));
 185
 186     connect(DetailsModeSettings::self(), &KCoreConfigSkeleton::configChanged, this, [=]() {
 187         if (view()->mode() == DolphinView::Mode::DetailsView) {
 188             view()->reload();
 189         }
 190     });
 191
 192     // Initialize kactivities resource instance
 193
 194 #ifdef HAVE_KACTIVITIES
 195     m_activityResourceInstance = new KActivities::ResourceInstance(window()->winId(), url);
 196     m_activityResourceInstance->setParent(this);
 197 #endif
 198 }
 199
 200 DolphinViewContainer::~DolphinViewContainer()
 201 {
 202 }
 203
 204 QUrl DolphinViewContainer::url() const
 205 {
 206     return m_view->url();
 207 }
 208
 209 void DolphinViewContainer::setActive(bool active)
 210 {
 211     m_searchBox->setActive(active);
 212     if (m_urlNavigatorConnected) {
 213         m_urlNavigatorConnected->setActive(active);
 214     }
 215     m_view->setActive(active);
 216
 217 #ifdef HAVE_KACTIVITIES
 218     if (active) {
 219         m_activityResourceInstance->notifyFocusedIn();
 220     } else {
 221         m_activityResourceInstance->notifyFocusedOut();
 222     }
 223 #endif
 224 }
 225
 226 bool DolphinViewContainer::isActive() const
 227 {
 228     return m_view->isActive();
 229 }
 230
 231 void DolphinViewContainer::setAutoGrabFocus(bool grab)
 232 {
 233     m_autoGrabFocus = grab;
 234 }
 235
 236 bool DolphinViewContainer::autoGrabFocus() const
 237 {
 238     return m_autoGrabFocus;
 239 }
 240
 241 QString DolphinViewContainer::currentSearchText() const
 242 {
 243      return m_searchBox->text();
 244 }
 245
 246 const DolphinStatusBar* DolphinViewContainer::statusBar() const
 247 {
 248     return m_statusBar;
 249 }
 250
 251 DolphinStatusBar* DolphinViewContainer::statusBar()
 252 {
 253     return m_statusBar;
 254 }
 255
 256 const DolphinUrlNavigator* DolphinViewContainer::urlNavigator() const
 257 {
 258     return m_urlNavigatorConnected;
 259 }
 260
 261 DolphinUrlNavigator* DolphinViewContainer::urlNavigator()
 262 {
 263     return m_urlNavigatorConnected;
 264 }
 265
 266 const DolphinUrlNavigator *DolphinViewContainer::urlNavigatorInternalWithHistory() const
 267 {
 268     return m_urlNavigator.get();
 269 }
 270
 271 DolphinUrlNavigator *DolphinViewContainer::urlNavigatorInternalWithHistory()
 272 {
 273     return m_urlNavigator.get();
 274 }
 275
 276 const DolphinView* DolphinViewContainer::view() const
 277 {
 278     return m_view;
 279 }
 280
 281 DolphinView* DolphinViewContainer::view()
 282 {
 283     return m_view;
 284 }
 285
 286 void DolphinViewContainer::connectUrlNavigator(DolphinUrlNavigator *urlNavigator)
 287 {
 288     Q_CHECK_PTR(urlNavigator);
 289     Q_ASSERT(!m_urlNavigatorConnected);
 290     Q_ASSERT(m_urlNavigator.get() != urlNavigator);
 291     Q_CHECK_PTR(m_view);
 292
 293     urlNavigator->setLocationUrl(m_view->url());
 294     urlNavigator->setActive(isActive());
 295     if (m_urlNavigatorVisualState) {
 296         urlNavigator->setVisualState(*m_urlNavigatorVisualState.get());
 297         m_urlNavigatorVisualState.reset();
 298     }
 299
 300     connect(m_view, &DolphinView::urlChanged,
 301             urlNavigator, &DolphinUrlNavigator::setLocationUrl);
 302     connect(urlNavigator, &DolphinUrlNavigator::urlChanged,
 303             this, &DolphinViewContainer::slotUrlNavigatorLocationChanged);
 304     connect(urlNavigator, &DolphinUrlNavigator::activated,
 305             this, &DolphinViewContainer::activate);
 306     connect(urlNavigator, &DolphinUrlNavigator::urlAboutToBeChanged,
 307             this, &DolphinViewContainer::slotUrlNavigatorLocationAboutToBeChanged);
 308     connect(urlNavigator, &DolphinUrlNavigator::urlSelectionRequested,
 309             this, &DolphinViewContainer::slotUrlSelectionRequested);
 310     connect(urlNavigator, &DolphinUrlNavigator::urlsDropped, this, [=](const QUrl &destination, QDropEvent *event) {
 311         m_view->dropUrls(destination, event, urlNavigator->dropWidget());
 312     });
 313
 314     m_urlNavigatorConnected = urlNavigator;
 315 }
 316
 317 void DolphinViewContainer::disconnectUrlNavigator()
 318 {
 319     if (!m_urlNavigatorConnected) {
 320         return;
 321     }
 322
 323     disconnect(m_view, &DolphinView::urlChanged,
 324                m_urlNavigatorConnected, &DolphinUrlNavigator::setLocationUrl);
 325     disconnect(m_urlNavigatorConnected, &DolphinUrlNavigator::urlChanged,
 326                this, &DolphinViewContainer::slotUrlNavigatorLocationChanged);
 327     disconnect(m_urlNavigatorConnected, &DolphinUrlNavigator::activated,
 328                this, &DolphinViewContainer::activate);
 329     disconnect(m_urlNavigatorConnected, &DolphinUrlNavigator::urlAboutToBeChanged,
 330                this, &DolphinViewContainer::slotUrlNavigatorLocationAboutToBeChanged);
 331     disconnect(m_urlNavigatorConnected, &DolphinUrlNavigator::urlSelectionRequested,
 332                this, &DolphinViewContainer::slotUrlSelectionRequested);
 333     disconnect(m_urlNavigatorConnected, &DolphinUrlNavigator::urlsDropped,
 334                this, nullptr);
 335
 336     m_urlNavigatorVisualState = m_urlNavigatorConnected->visualState();
 337     m_urlNavigatorConnected = nullptr;
 338 }
 339
 340 void DolphinViewContainer::showMessage(const QString& msg, MessageType type)
 341 {
 342     if (msg.isEmpty()) {
 343         return;
 344     }
 345
 346     m_messageWidget->setText(msg);
 347
 348     // TODO: wrap at arbitrary character positions once QLabel can do this
 349     // https://bugreports.qt.io/browse/QTBUG-1276
 350     m_messageWidget->setWordWrap(true);
 351
 352     switch (type) {
 353     case Information: m_messageWidget->setMessageType(KMessageWidget::Information); break;
 354     case Warning:     m_messageWidget->setMessageType(KMessageWidget::Warning); break;
 355     case Error:       m_messageWidget->setMessageType(KMessageWidget::Error); break;
 356     default:
 357         Q_ASSERT(false);
 358         break;
 359     }
 360
 361     m_messageWidget->setWordWrap(false);
 362     const int unwrappedWidth = m_messageWidget->sizeHint().width();
 363     m_messageWidget->setWordWrap(unwrappedWidth > size().width());
 364
 365     if (m_messageWidget->isVisible()) {
 366         m_messageWidget->hide();
 367     }
 368     m_messageWidget->animatedShow();
 369 }
 370
 371 void DolphinViewContainer::readSettings()
 372 {
 373     // The startup settings should (only) get applied if they have been
 374     // modified by the user. Otherwise keep the (possibly) different current
 375     // setting of the filterbar.
 376     if (GeneralSettings::modifiedStartupSettings()) {
 377         setFilterBarVisible(GeneralSettings::filterBar());
 378     }
 379
 380     m_view->readSettings();
 381     m_statusBar->readSettings();
 382 }
 383
 384 bool DolphinViewContainer::isFilterBarVisible() const
 385 {
 386     return m_filterBar->isVisible();
 387 }
 388
 389 void DolphinViewContainer::setSearchModeEnabled(bool enabled)
 390 {
 391     m_searchBox->setVisible(enabled);
 392
 393     if (enabled) {
 394         const QUrl& locationUrl = m_urlNavigatorConnected->locationUrl();
 395         m_searchBox->fromSearchUrl(locationUrl);
 396     }
 397
 398     if (enabled == isSearchModeEnabled()) {
 399         if (enabled && !m_searchBox->hasFocus()) {
 400             m_searchBox->setFocus();
 401             m_searchBox->selectAll();
 402         }
 403         return;
 404     }
 405
 406     if (!enabled) {
 407         m_view->setViewPropertiesContext(QString());
 408
 409         // Restore the URL for the URL navigator. If Dolphin has been
 410         // started with a search-URL, the home URL is used as fallback.
 411         QUrl url = m_searchBox->searchPath();
 412         if (url.isEmpty() || !url.isValid() || isSearchUrl(url)) {
 413             url = Dolphin::homeUrl();
 414         }
 415         m_urlNavigatorConnected->setLocationUrl(url);
 416     }
 417
 418     m_searchModeEnabled = enabled;
 419
 420     Q_EMIT searchModeEnabledChanged(enabled);
 421 }
 422
 423 bool DolphinViewContainer::isSearchModeEnabled() const
 424 {
 425     return m_searchModeEnabled;
 426 }
 427
 428 QString DolphinViewContainer::placesText() const
 429 {
 430     QString text;
 431
 432     if (isSearchModeEnabled()) {
 433         text = i18n("Search for %1 in %2", m_searchBox->text(), m_searchBox->searchPath().fileName());
 434     } else {
 435         text = url().adjusted(QUrl::StripTrailingSlash).fileName();
 436         if (text.isEmpty()) {
 437             text = url().host();
 438         }
 439         if (text.isEmpty()) {
 440             text = url().scheme();
 441         }
 442     }
 443
 444     return text;
 445 }
 446
 447 void DolphinViewContainer::reload()
 448 {
 449     view()->reload();
 450     m_messageWidget->hide();
 451 }
 452
 453 QString DolphinViewContainer::captionWindowTitle() const
 454 {
 455     if (GeneralSettings::showFullPathInTitlebar() && !isSearchModeEnabled()) {
 456         if (!url().isLocalFile()) {
 457             return url().adjusted(QUrl::StripTrailingSlash).toString();
 458         }
 459         return url().adjusted(QUrl::StripTrailingSlash).path();
 460     } else {
 461         return DolphinViewContainer::caption();
 462     }
 463 }
 464
 465 QString DolphinViewContainer::caption() const
 466 {
 467     if (isSearchModeEnabled()) {
 468         if (currentSearchText().isEmpty()){
 469             return i18n("Search");
 470         } else {
 471             return i18n("Search for %1", currentSearchText());
 472         }
 473     }
 474
 475     KFilePlacesModel *placesModel = DolphinPlacesModelSingleton::instance().placesModel();
 476     const auto& matchedPlaces = placesModel->match(placesModel->index(0,0), KFilePlacesModel::UrlRole, QUrl(url().adjusted(QUrl::StripTrailingSlash).toString(QUrl::FullyEncoded).append("/?")), 1, Qt::MatchRegExp);
 477
 478     if (!matchedPlaces.isEmpty()) {
 479         return placesModel->text(matchedPlaces.first());
 480     }
 481
 482
 483     if (!url().isLocalFile()) {
 484         QUrl adjustedUrl = url().adjusted(QUrl::StripTrailingSlash);
 485         QString caption;
 486         if (!adjustedUrl.fileName().isEmpty()) {
 487             caption = adjustedUrl.fileName();
 488         } else if (!adjustedUrl.path().isEmpty() && adjustedUrl.path() != "/") {
 489             caption = adjustedUrl.path();
 490         } else if (!adjustedUrl.host().isEmpty()) {
 491             caption = adjustedUrl.host();
 492         } else {
 493             caption = adjustedUrl.toString();
 494         }
 495         return caption;
 496     }
 497
 498     QString fileName = url().adjusted(QUrl::StripTrailingSlash).fileName();
 499     if (fileName.isEmpty()) {
 500         fileName = '/';
 501     }
 502
 503     return fileName;
 504 }
 505
 506 void DolphinViewContainer::setUrl(const QUrl& newUrl)
 507 {
 508     if (newUrl != m_urlNavigator->locationUrl()) {
 509         m_urlNavigator->setLocationUrl(newUrl);
 510     }
 511
 512 #ifdef HAVE_KACTIVITIES
 513     m_activityResourceInstance->setUri(newUrl);
 514 #endif
 515 }
 516
 517 void DolphinViewContainer::setFilterBarVisible(bool visible)
 518 {
 519     Q_ASSERT(m_filterBar);
 520     if (visible) {
 521         m_view->hideToolTip(ToolTipManager::HideBehavior::Instantly);
 522         m_filterBar->show();
 523         m_filterBar->setFocus();
 524         m_filterBar->selectAll();
 525     } else {
 526         closeFilterBar();
 527     }
 528 }
 529
 530 void DolphinViewContainer::delayedStatusBarUpdate()
 531 {
 532     if (m_statusBarTimer->isActive() && (m_statusBarTimestamp.elapsed() > 2000)) {
 533         // No update of the statusbar has been done during the last 2 seconds,
 534         // although an update has been requested. Trigger an immediate update.
 535         m_statusBarTimer->stop();
 536         updateStatusBar();
 537     } else {
 538         // Invoke updateStatusBar() with a small delay. This assures that
 539         // when a lot of delayedStatusBarUpdates() are done in a short time,
 540         // no bottleneck is given.
 541         m_statusBarTimer->start();
 542     }
 543 }
 544
 545 void DolphinViewContainer::updateStatusBar()
 546 {
 547     m_statusBarTimestamp.start();
 548
 549     const QString text = m_view->statusBarText();
 550     m_statusBar->setDefaultText(text);
 551     m_statusBar->resetToDefaultText();
 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::redirect(const QUrl& oldUrl, const QUrl& newUrl)
 731 {
 732     Q_UNUSED(oldUrl)
 733     const bool block = m_urlNavigator->signalsBlocked();
 734     m_urlNavigator->blockSignals(true);
 735
 736     // Assure that the location state is reset for redirection URLs. This
 737     // allows to skip redirection URLs when going back or forward in the
 738     // URL history.
 739     m_urlNavigator->saveLocationState(QByteArray());
 740     m_urlNavigator->setLocationUrl(newUrl);
 741     setSearchModeEnabled(isSearchUrl(newUrl));
 742
 743     m_urlNavigator->blockSignals(block);
 744 }
 745
 746 void DolphinViewContainer::requestFocus()
 747 {
 748     m_view->setFocus();
 749 }
 750
 751 void DolphinViewContainer::startSearching()
 752 {
 753     Q_CHECK_PTR(m_urlNavigatorConnected);
 754     const QUrl url = m_searchBox->urlForSearching();
 755     if (url.isValid() && !url.isEmpty()) {
 756         m_view->setViewPropertiesContext(QStringLiteral("search"));
 757         m_urlNavigatorConnected->setLocationUrl(url);
 758     }
 759 }
 760
 761 void DolphinViewContainer::closeSearchBox()
 762 {
 763     setSearchModeEnabled(false);
 764 }
 765
 766 void DolphinViewContainer::stopDirectoryLoading()
 767 {
 768     m_view->stopLoading();
 769     m_statusBar->setProgress(100);
 770 }
 771
 772 void DolphinViewContainer::slotStatusBarZoomLevelChanged(int zoomLevel)
 773 {
 774     m_view->setZoomLevel(zoomLevel);
 775 }
 776
 777 void DolphinViewContainer::showErrorMessage(const QString& msg)
 778 {
 779     showMessage(msg, Error);
 780 }
 781
 782 bool DolphinViewContainer::isSearchUrl(const QUrl& url) const
 783 {
 784     return url.scheme().contains(QLatin1String("search"));
 785 }
 786
 787 void DolphinViewContainer::saveViewState()
 788 {
 789     QByteArray locationState;
 790     QDataStream stream(&locationState, QIODevice::WriteOnly);
 791     m_view->saveState(stream);
 792     m_urlNavigator->saveLocationState(locationState);
 793 }
 794
 795 void DolphinViewContainer::tryRestoreViewState()
 796 {
 797     QByteArray locationState = m_urlNavigator->locationState();
 798     if (!locationState.isEmpty()) {
 799         QDataStream stream(&locationState, QIODevice::ReadOnly);
 800         m_view->restoreState(stream);
 801     }
 802 }