src/dolphinviewcontainer.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2007 by Peter Penz <peter.penz19@gmail.com>             *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  18  ***************************************************************************/
  19
  20 #include "dolphinviewcontainer.h"
  21
  22 #include "dolphin_generalsettings.h"
  23 #include "dolphinplacesmodelsingleton.h"
  24 #include "dolphindebug.h"
  25 #include "filterbar/filterbar.h"
  26 #include "global.h"
  27 #include "search/dolphinsearchbox.h"
  28 #include "statusbar/dolphinstatusbar.h"
  29 #include "trash/dolphintrash.h"
  30 #include "views/viewmodecontroller.h"
  31 #include "views/viewproperties.h"
  32 #include "dolphin_detailsmodesettings.h"
  33 #include "views/dolphinview.h"
  34
  35 #ifdef HAVE_KACTIVITIES
  36 #include <KActivities/ResourceInstance>
  37 #endif
  38 #include <KFileItemActions>
  39 #include <KFilePlacesModel>
  40 #include <KIO/PreviewJob>
  41 #include <KIO/OpenUrlJob>
  42 #include <KIO/JobUiDelegate>
  43 #include <KLocalizedString>
  44 #include <KMessageWidget>
  45 #include <KProtocolManager>
  46 #include <KShell>
  47 #include <KUrlComboBox>
  48 #include <KUrlNavigator>
  49
  50 #include <QDropEvent>
  51 #include <QLoggingCategory>
  52 #include <QMimeData>
  53 #include <QTimer>
  54 #include <QUrl>
  55 #include <QVBoxLayout>
  56 #include <QDesktopServices>
  57
  58 DolphinViewContainer::DolphinViewContainer(const QUrl& url, QWidget* parent) :
  59     QWidget(parent),
  60     m_topLayout(nullptr),
  61     m_navigatorWidget(nullptr),
  62     m_urlNavigator(nullptr),
  63     m_emptyTrashButton(nullptr),
  64     m_searchBox(nullptr),
  65     m_searchModeEnabled(false),
  66     m_messageWidget(nullptr),
  67     m_view(nullptr),
  68     m_filterBar(nullptr),
  69     m_statusBar(nullptr),
  70     m_statusBarTimer(nullptr),
  71     m_statusBarTimestamp(),
  72     m_autoGrabFocus(true)
  73 #ifdef HAVE_KACTIVITIES
  74     , m_activityResourceInstance(nullptr)
  75 #endif
  76 {
  77     hide();
  78
  79     m_topLayout = new QVBoxLayout(this);
  80     m_topLayout->setSpacing(0);
  81     m_topLayout->setContentsMargins(0, 0, 0, 0);
  82
  83     m_navigatorWidget = new QWidget(this);
  84     QHBoxLayout* navigatorLayout = new QHBoxLayout(m_navigatorWidget);
  85     navigatorLayout->setSpacing(0);
  86     navigatorLayout->setContentsMargins(0, 0, 0, 0);
  87     m_navigatorWidget->setWhatsThis(xi18nc("@info:whatsthis location bar",
  88         "<para>This line describes the location of the files and folders "
  89         "displayed below.</para><para>The name of the currently viewed "
  90         "folder can be read at the very right. To the left of it is the "
  91         "name of the folder that contains it. The whole line is called "
  92         "the <emphasis>path</emphasis> to the current location because "
  93         "following these folders from left to right leads here.</para>"
  94         "<para>The path is displayed on the <emphasis>location bar</emphasis> "
  95         "which is more powerful than one would expect. To learn more "
  96         "about the basic and advanced features of the location bar "
  97         "<link url='help:/dolphin/location-bar.html'>click here</link>. "
  98         "This will open the dedicated page in the Handbook.</para>"));
  99
 100     m_urlNavigator = new KUrlNavigator(DolphinPlacesModelSingleton::instance().placesModel(), url, this);
 101     connect(m_urlNavigator, &KUrlNavigator::activated,
 102             this, &DolphinViewContainer::activate);
 103     connect(m_urlNavigator->editor(), &KUrlComboBox::completionModeChanged,
 104             this, &DolphinViewContainer::saveUrlCompletionMode);
 105
 106     const GeneralSettings* settings = GeneralSettings::self();
 107     m_urlNavigator->setUrlEditable(settings->editableUrl());
 108     m_urlNavigator->setShowFullPath(settings->showFullPath());
 109     m_urlNavigator->setHomeUrl(Dolphin::homeUrl());
 110     KUrlComboBox* editor = m_urlNavigator->editor();
 111     editor->setCompletionMode(KCompletion::CompletionMode(settings->urlCompletionMode()));
 112
 113     m_emptyTrashButton = new QPushButton(QIcon::fromTheme(QStringLiteral("user-trash")), i18nc("@action:button", "Empty Trash"), this);
 114     m_emptyTrashButton->setFlat(true);
 115     connect(m_emptyTrashButton, &QPushButton::clicked, this, [this]() { Trash::empty(this); });
 116     connect(&Trash::instance(), &Trash::emptinessChanged, m_emptyTrashButton, &QPushButton::setDisabled);
 117     m_emptyTrashButton->setDisabled(Trash::isEmpty());
 118     m_emptyTrashButton->hide();
 119
 120     m_searchBox = new DolphinSearchBox(this);
 121     m_searchBox->hide();
 122     connect(m_searchBox, &DolphinSearchBox::activated, this, &DolphinViewContainer::activate);
 123     connect(m_searchBox, &DolphinSearchBox::closeRequest, this, &DolphinViewContainer::closeSearchBox);
 124     connect(m_searchBox, &DolphinSearchBox::searchRequest, this, &DolphinViewContainer::startSearching);
 125     connect(m_searchBox, &DolphinSearchBox::focusViewRequest, this, &DolphinViewContainer::requestFocus);
 126     m_searchBox->setWhatsThis(xi18nc("@info:whatsthis findbar",
 127         "<para>This helps you find files and folders. Enter a <emphasis>"
 128         "search term</emphasis> and specify search settings with the "
 129         "buttons at the bottom:<list><item>Filename/Content: "
 130         "Does the item you are looking for contain the search terms "
 131         "within its filename or its contents?<nl/>The contents of images, "
 132         "audio files and videos will not be searched.</item><item>"
 133         "From Here/Everywhere: Do you want to search in this "
 134         "folder and its sub-folders or everywhere?</item><item>"
 135         "More Options: Click this to search by media type, access "
 136         "time or rating.</item><item>More Search Tools: Install other "
 137         "means to find an item.</item></list></para>"));
 138
 139     m_messageWidget = new KMessageWidget(this);
 140     m_messageWidget->setCloseButtonVisible(true);
 141     m_messageWidget->hide();
 142
 143 #ifndef Q_OS_WIN
 144     if (getuid() == 0) {
 145
 146         // We must be logged in as the root user; show a big scary warning
 147         showMessage(i18n("Running Dolphin as root can be dangerous. Please be careful."), Warning);
 148     }
 149 #endif
 150
 151     // Initialize filter bar
 152     m_filterBar = new FilterBar(this);
 153     m_filterBar->setVisible(settings->filterBar());
 154
 155     connect(m_filterBar, &FilterBar::filterChanged,
 156             this, &DolphinViewContainer::setNameFilter);
 157     connect(m_filterBar, &FilterBar::closeRequest,
 158             this, &DolphinViewContainer::closeFilterBar);
 159     connect(m_filterBar, &FilterBar::focusViewRequest,
 160             this, &DolphinViewContainer::requestFocus);
 161
 162     // Initialize the main view
 163     m_view = new DolphinView(url, this);
 164     connect(m_view, &DolphinView::urlChanged,
 165             m_filterBar, &FilterBar::slotUrlChanged);
 166     connect(m_view, &DolphinView::urlChanged,
 167             m_urlNavigator, &KUrlNavigator::setLocationUrl);
 168     connect(m_view, &DolphinView::urlChanged,
 169             m_messageWidget, &KMessageWidget::hide);
 170     connect(m_view, &DolphinView::writeStateChanged,
 171             this, &DolphinViewContainer::writeStateChanged);
 172     connect(m_view, &DolphinView::requestItemInfo,
 173             this, &DolphinViewContainer::showItemInfo);
 174     connect(m_view, &DolphinView::itemActivated,
 175             this, &DolphinViewContainer::slotItemActivated);
 176     connect(m_view, &DolphinView::itemsActivated,
 177             this, &DolphinViewContainer::slotItemsActivated);
 178     connect(m_view, &DolphinView::redirection,
 179             this, &DolphinViewContainer::redirect);
 180     connect(m_view, &DolphinView::directoryLoadingStarted,
 181             this, &DolphinViewContainer::slotDirectoryLoadingStarted);
 182     connect(m_view, &DolphinView::directoryLoadingCompleted,
 183             this, &DolphinViewContainer::slotDirectoryLoadingCompleted);
 184     connect(m_view, &DolphinView::directoryLoadingCanceled,
 185             this, &DolphinViewContainer::slotDirectoryLoadingCanceled);
 186     connect(m_view, &DolphinView::itemCountChanged,
 187             this, &DolphinViewContainer::delayedStatusBarUpdate);
 188     connect(m_view, &DolphinView::directoryLoadingProgress,
 189             this, &DolphinViewContainer::updateDirectoryLoadingProgress);
 190     connect(m_view, &DolphinView::directorySortingProgress,
 191             this, &DolphinViewContainer::updateDirectorySortingProgress);
 192     connect(m_view, &DolphinView::selectionChanged,
 193             this, &DolphinViewContainer::delayedStatusBarUpdate);
 194     connect(m_view, &DolphinView::errorMessage,
 195             this, &DolphinViewContainer::showErrorMessage);
 196     connect(m_view, &DolphinView::urlIsFileError,
 197             this, &DolphinViewContainer::slotUrlIsFileError);
 198     connect(m_view, &DolphinView::activated,
 199             this, &DolphinViewContainer::activate);
 200
 201     connect(m_urlNavigator, &KUrlNavigator::urlAboutToBeChanged,
 202             this, &DolphinViewContainer::slotUrlNavigatorLocationAboutToBeChanged);
 203     connect(m_urlNavigator, &KUrlNavigator::urlChanged,
 204             this, &DolphinViewContainer::slotUrlNavigatorLocationChanged);
 205     connect(m_urlNavigator, &KUrlNavigator::urlSelectionRequested,
 206             this, &DolphinViewContainer::slotUrlSelectionRequested);
 207     connect(m_urlNavigator, &KUrlNavigator::returnPressed,
 208             this, &DolphinViewContainer::slotReturnPressed);
 209     connect(m_urlNavigator, &KUrlNavigator::urlsDropped, this, [=](const QUrl &destination, QDropEvent *event) {
 210         m_view->dropUrls(destination, event, m_urlNavigator->dropWidget());
 211     });
 212
 213     connect(m_view, &DolphinView::directoryLoadingCompleted, this, [this]() {
 214         m_emptyTrashButton->setVisible(m_view->url().scheme() == QLatin1String("trash"));
 215     });
 216
 217     // Initialize status bar
 218     m_statusBar = new DolphinStatusBar(this);
 219     m_statusBar->setUrl(m_view->url());
 220     m_statusBar->setZoomLevel(m_view->zoomLevel());
 221     connect(m_view, &DolphinView::urlChanged,
 222             m_statusBar, &DolphinStatusBar::setUrl);
 223     connect(m_view, &DolphinView::zoomLevelChanged,
 224             m_statusBar, &DolphinStatusBar::setZoomLevel);
 225     connect(m_view, &DolphinView::infoMessage,
 226             m_statusBar, &DolphinStatusBar::setText);
 227     connect(m_view, &DolphinView::operationCompletedMessage,
 228             m_statusBar, &DolphinStatusBar::setText);
 229     connect(m_statusBar, &DolphinStatusBar::stopPressed,
 230             this, &DolphinViewContainer::stopDirectoryLoading);
 231     connect(m_statusBar, &DolphinStatusBar::zoomLevelChanged,
 232             this, &DolphinViewContainer::slotStatusBarZoomLevelChanged);
 233
 234     m_statusBarTimer = new QTimer(this);
 235     m_statusBarTimer->setSingleShot(true);
 236     m_statusBarTimer->setInterval(300);
 237     connect(m_statusBarTimer, &QTimer::timeout, this, &DolphinViewContainer::updateStatusBar);
 238
 239     KIO::FileUndoManager* undoManager = KIO::FileUndoManager::self();
 240     connect(undoManager, &KIO::FileUndoManager::jobRecordingFinished,
 241             this, &DolphinViewContainer::delayedStatusBarUpdate);
 242
 243     navigatorLayout->addWidget(m_urlNavigator);
 244     navigatorLayout->addWidget(m_emptyTrashButton);
 245
 246     m_topLayout->addWidget(m_navigatorWidget);
 247     m_topLayout->addWidget(m_searchBox);
 248     m_topLayout->addWidget(m_messageWidget);
 249     m_topLayout->addWidget(m_view);
 250     m_topLayout->addWidget(m_filterBar);
 251     m_topLayout->addWidget(m_statusBar);
 252
 253     setSearchModeEnabled(isSearchUrl(url));
 254
 255     connect(DetailsModeSettings::self(), &KCoreConfigSkeleton::configChanged, this, [=]() {
 256         if (view()->mode() == DolphinView::Mode::DetailsView) {
 257             view()->reload();
 258         }
 259     });
 260
 261     // Initialize kactivities resource instance
 262
 263 #ifdef HAVE_KACTIVITIES
 264     m_activityResourceInstance = new KActivities::ResourceInstance(window()->winId(), url);
 265     m_activityResourceInstance->setParent(this);
 266 #endif
 267 }
 268
 269 DolphinViewContainer::~DolphinViewContainer()
 270 {
 271 }
 272
 273 QUrl DolphinViewContainer::url() const
 274 {
 275     return m_view->url();
 276 }
 277
 278 void DolphinViewContainer::setActive(bool active)
 279 {
 280     m_searchBox->setActive(active);
 281     m_urlNavigator->setActive(active);
 282     m_view->setActive(active);
 283
 284 #ifdef HAVE_KACTIVITIES
 285     if (active) {
 286         m_activityResourceInstance->notifyFocusedIn();
 287     } else {
 288         m_activityResourceInstance->notifyFocusedOut();
 289     }
 290 #endif
 291 }
 292
 293 bool DolphinViewContainer::isActive() const
 294 {
 295     Q_ASSERT(m_view->isActive() == m_urlNavigator->isActive());
 296     return m_view->isActive();
 297 }
 298
 299 void DolphinViewContainer::setAutoGrabFocus(bool grab)
 300 {
 301     m_autoGrabFocus = grab;
 302 }
 303
 304 bool DolphinViewContainer::autoGrabFocus() const
 305 {
 306     return m_autoGrabFocus;
 307 }
 308
 309 QString DolphinViewContainer::currentSearchText() const
 310 {
 311      return m_searchBox->text();
 312 }
 313
 314 const DolphinStatusBar* DolphinViewContainer::statusBar() const
 315 {
 316     return m_statusBar;
 317 }
 318
 319 DolphinStatusBar* DolphinViewContainer::statusBar()
 320 {
 321     return m_statusBar;
 322 }
 323
 324 const KUrlNavigator* DolphinViewContainer::urlNavigator() const
 325 {
 326     return m_urlNavigator;
 327 }
 328
 329 KUrlNavigator* DolphinViewContainer::urlNavigator()
 330 {
 331     return m_urlNavigator;
 332 }
 333
 334 const DolphinView* DolphinViewContainer::view() const
 335 {
 336     return m_view;
 337 }
 338
 339 DolphinView* DolphinViewContainer::view()
 340 {
 341     return m_view;
 342 }
 343
 344 void DolphinViewContainer::showMessage(const QString& msg, MessageType type)
 345 {
 346     if (msg.isEmpty()) {
 347         return;
 348     }
 349
 350     m_messageWidget->setText(msg);
 351
 352     // TODO: wrap at arbitrary character positions once QLabel can do this
 353     // https://bugreports.qt.io/browse/QTBUG-1276
 354     m_messageWidget->setWordWrap(true);
 355
 356     switch (type) {
 357     case Information: m_messageWidget->setMessageType(KMessageWidget::Information); break;
 358     case Warning:     m_messageWidget->setMessageType(KMessageWidget::Warning); break;
 359     case Error:       m_messageWidget->setMessageType(KMessageWidget::Error); break;
 360     default:
 361         Q_ASSERT(false);
 362         break;
 363     }
 364
 365     m_messageWidget->setWordWrap(false);
 366     const int unwrappedWidth = m_messageWidget->sizeHint().width();
 367     m_messageWidget->setWordWrap(unwrappedWidth > size().width());
 368
 369     if (m_messageWidget->isVisible()) {
 370         m_messageWidget->hide();
 371     }
 372     m_messageWidget->animatedShow();
 373 }
 374
 375 void DolphinViewContainer::readSettings()
 376 {
 377     if (GeneralSettings::modifiedStartupSettings()) {
 378         // The startup settings should only get applied if they have been
 379         // modified by the user. Otherwise keep the (possibly) different current
 380         // settings of the URL navigator and the filterbar.
 381         m_urlNavigator->setUrlEditable(GeneralSettings::editableUrl());
 382         m_urlNavigator->setShowFullPath(GeneralSettings::showFullPath());
 383         m_urlNavigator->setHomeUrl(Dolphin::homeUrl());
 384         setFilterBarVisible(GeneralSettings::filterBar());
 385     }
 386
 387     m_view->readSettings();
 388     m_statusBar->readSettings();
 389 }
 390
 391 bool DolphinViewContainer::isFilterBarVisible() const
 392 {
 393     return m_filterBar->isVisible();
 394 }
 395
 396 void DolphinViewContainer::setSearchModeEnabled(bool enabled)
 397 {
 398     m_searchBox->setVisible(enabled);
 399     m_navigatorWidget->setVisible(!enabled);
 400
 401     if (enabled) {
 402         const QUrl& locationUrl = m_urlNavigator->locationUrl();
 403         m_searchBox->fromSearchUrl(locationUrl);
 404     }
 405
 406     if (enabled == isSearchModeEnabled()) {
 407         if (enabled && !m_searchBox->hasFocus()) {
 408             m_searchBox->setFocus();
 409             m_searchBox->selectAll();
 410         }
 411         return;
 412     }
 413
 414     if (!enabled) {
 415         m_view->setViewPropertiesContext(QString());
 416
 417         // Restore the URL for the URL navigator. If Dolphin has been
 418         // started with a search-URL, the home URL is used as fallback.
 419         QUrl url = m_searchBox->searchPath();
 420         if (url.isEmpty() || !url.isValid() || isSearchUrl(url)) {
 421             url = Dolphin::homeUrl();
 422         }
 423         m_urlNavigator->setLocationUrl(url);
 424     }
 425
 426     m_searchModeEnabled = enabled;
 427
 428     emit searchModeEnabledChanged(enabled);
 429 }
 430
 431 bool DolphinViewContainer::isSearchModeEnabled() const
 432 {
 433     return m_searchModeEnabled;
 434 }
 435
 436 QString DolphinViewContainer::placesText() const
 437 {
 438     QString text;
 439
 440     if (isSearchModeEnabled()) {
 441         text = i18n("Search for %1 in %2", m_searchBox->text(), m_searchBox->searchPath().fileName());
 442     } else {
 443         text = url().adjusted(QUrl::StripTrailingSlash).fileName();
 444         if (text.isEmpty()) {
 445             text = url().host();
 446         }
 447         if (text.isEmpty()) {
 448             text = url().scheme();
 449         }
 450     }
 451
 452     return text;
 453 }
 454
 455 void DolphinViewContainer::reload()
 456 {
 457     view()->reload();
 458     m_messageWidget->hide();
 459 }
 460
 461 QString DolphinViewContainer::captionWindowTitle() const
 462 {
 463     if (GeneralSettings::showFullPathInTitlebar() && !isSearchModeEnabled()) {
 464         if (!url().isLocalFile()) {
 465             return url().adjusted(QUrl::StripTrailingSlash).toString();
 466         }
 467         return url().adjusted(QUrl::StripTrailingSlash).path();
 468     } else {
 469         return DolphinViewContainer::caption();
 470     }
 471 }
 472
 473 QString DolphinViewContainer::caption() const
 474 {
 475     if (isSearchModeEnabled()) {
 476         if (currentSearchText().isEmpty()){
 477             return i18n("Search");
 478         } else {
 479             return i18n("Search for %1", currentSearchText());
 480         }
 481     }
 482
 483     KFilePlacesModel *placesModel = DolphinPlacesModelSingleton::instance().placesModel();
 484     const auto& matchedPlaces = placesModel->match(placesModel->index(0,0), KFilePlacesModel::UrlRole, QUrl(url().adjusted(QUrl::StripTrailingSlash).toString(QUrl::FullyEncoded).append("/?")), 1, Qt::MatchRegExp);
 485
 486     if (!matchedPlaces.isEmpty()) {
 487         return placesModel->text(matchedPlaces.first());
 488     }
 489
 490
 491     if (!url().isLocalFile()) {
 492         QUrl adjustedUrl = url().adjusted(QUrl::StripTrailingSlash);
 493         QString caption;
 494         if (!adjustedUrl.fileName().isEmpty()) {
 495             caption = adjustedUrl.fileName();
 496         } else if (!adjustedUrl.path().isEmpty() && adjustedUrl.path() != "/") {
 497             caption = adjustedUrl.path();
 498         } else if (!adjustedUrl.host().isEmpty()) {
 499             caption = adjustedUrl.host();
 500         } else {
 501             caption = adjustedUrl.toString();
 502         }
 503         return caption;
 504     }
 505
 506     QString fileName = url().adjusted(QUrl::StripTrailingSlash).fileName();
 507     if (fileName.isEmpty()) {
 508         fileName = '/';
 509     }
 510
 511     return fileName;
 512 }
 513
 514 void DolphinViewContainer::setUrl(const QUrl& newUrl)
 515 {
 516     if (newUrl != m_urlNavigator->locationUrl()) {
 517         m_urlNavigator->setLocationUrl(newUrl);
 518     }
 519
 520 #ifdef HAVE_KACTIVITIES
 521     m_activityResourceInstance->setUri(newUrl);
 522 #endif
 523 }
 524
 525 void DolphinViewContainer::setFilterBarVisible(bool visible)
 526 {
 527     Q_ASSERT(m_filterBar);
 528     if (visible) {
 529         m_view->hideToolTip(ToolTipManager::HideBehavior::Instantly);
 530         m_filterBar->show();
 531         m_filterBar->setFocus();
 532         m_filterBar->selectAll();
 533     } else {
 534         closeFilterBar();
 535     }
 536 }
 537
 538 void DolphinViewContainer::delayedStatusBarUpdate()
 539 {
 540     if (m_statusBarTimer->isActive() && (m_statusBarTimestamp.elapsed() > 2000)) {
 541         // No update of the statusbar has been done during the last 2 seconds,
 542         // although an update has been requested. Trigger an immediate update.
 543         m_statusBarTimer->stop();
 544         updateStatusBar();
 545     } else {
 546         // Invoke updateStatusBar() with a small delay. This assures that
 547         // when a lot of delayedStatusBarUpdates() are done in a short time,
 548         // no bottleneck is given.
 549         m_statusBarTimer->start();
 550     }
 551 }
 552
 553 void DolphinViewContainer::updateStatusBar()
 554 {
 555     m_statusBarTimestamp.start();
 556
 557     const QString text = m_view->statusBarText();
 558     m_statusBar->setDefaultText(text);
 559     m_statusBar->resetToDefaultText();
 560 }
 561
 562 void DolphinViewContainer::updateDirectoryLoadingProgress(int percent)
 563 {
 564     if (m_statusBar->progressText().isEmpty()) {
 565         m_statusBar->setProgressText(i18nc("@info:progress", "Loading folder..."));
 566     }
 567     m_statusBar->setProgress(percent);
 568 }
 569
 570 void DolphinViewContainer::updateDirectorySortingProgress(int percent)
 571 {
 572     if (m_statusBar->progressText().isEmpty()) {
 573         m_statusBar->setProgressText(i18nc("@info:progress", "Sorting..."));
 574     }
 575     m_statusBar->setProgress(percent);
 576 }
 577
 578 void DolphinViewContainer::slotDirectoryLoadingStarted()
 579 {
 580     if (isSearchUrl(url())) {
 581         // Search KIO-slaves usually don't provide any progress information. Give
 582         // a hint to the user that a searching is done:
 583         updateStatusBar();
 584         m_statusBar->setProgressText(i18nc("@info", "Searching..."));
 585         m_statusBar->setProgress(-1);
 586     } else {
 587         // Trigger an undetermined progress indication. The progress
 588         // information in percent will be triggered by the percent() signal
 589         // of the directory lister later.
 590         m_statusBar->setProgressText(QString());
 591         updateDirectoryLoadingProgress(-1);
 592     }
 593 }
 594
 595 void DolphinViewContainer::slotDirectoryLoadingCompleted()
 596 {
 597     if (!m_statusBar->progressText().isEmpty()) {
 598         m_statusBar->setProgressText(QString());
 599         m_statusBar->setProgress(100);
 600     }
 601
 602     if (isSearchUrl(url()) && m_view->itemsCount() == 0) {
 603         // The dir lister has been completed on a Baloo-URI and no items have been found. Instead
 604         // of showing the default status bar information ("0 items") a more helpful information is given:
 605         m_statusBar->setText(i18nc("@info:status", "No items found."));
 606     } else {
 607         updateStatusBar();
 608     }
 609 }
 610
 611 void DolphinViewContainer::slotDirectoryLoadingCanceled()
 612 {
 613     if (!m_statusBar->progressText().isEmpty()) {
 614         m_statusBar->setProgressText(QString());
 615         m_statusBar->setProgress(100);
 616     }
 617
 618     m_statusBar->setText(QString());
 619 }
 620
 621 void DolphinViewContainer::slotUrlIsFileError(const QUrl& url)
 622 {
 623     const KFileItem item(url);
 624
 625     // Find out if the file can be opened in the view (for example, this is the
 626     // case if the file is an archive). The mime type must be known for that.
 627     item.determineMimeType();
 628     const QUrl& folderUrl = DolphinView::openItemAsFolderUrl(item, true);
 629     if (!folderUrl.isEmpty()) {
 630         setUrl(folderUrl);
 631     } else {
 632         slotItemActivated(item);
 633     }
 634 }
 635
 636 void DolphinViewContainer::slotItemActivated(const KFileItem& item)
 637 {
 638     // It is possible to activate items on inactive views by
 639     // drag & drop operations. Assure that activating an item always
 640     // results in an active view.
 641     m_view->setActive(true);
 642
 643     const QUrl& url = DolphinView::openItemAsFolderUrl(item, GeneralSettings::browseThroughArchives());
 644     if (!url.isEmpty()) {
 645         setUrl(url);
 646         return;
 647     }
 648
 649     KIO::OpenUrlJob *job = new KIO::OpenUrlJob(item.targetUrl());
 650     job->setUiDelegate(new KIO::JobUiDelegate(KJobUiDelegate::AutoHandlingEnabled, this));
 651     job->setShowOpenOrExecuteDialog(true);
 652     job->start();
 653 }
 654
 655 void DolphinViewContainer::slotItemsActivated(const KFileItemList& items)
 656 {
 657     Q_ASSERT(items.count() >= 2);
 658
 659     KFileItemActions fileItemActions(this);
 660     fileItemActions.runPreferredApplications(items, QString());
 661 }
 662
 663 void DolphinViewContainer::showItemInfo(const KFileItem& item)
 664 {
 665     if (item.isNull()) {
 666         m_statusBar->resetToDefaultText();
 667     } else {
 668         m_statusBar->setText(item.getStatusBarInfo());
 669     }
 670 }
 671
 672 void DolphinViewContainer::closeFilterBar()
 673 {
 674     m_filterBar->closeFilterBar();
 675     m_view->setFocus();
 676     emit showFilterBarChanged(false);
 677 }
 678
 679 void DolphinViewContainer::setNameFilter(const QString& nameFilter)
 680 {
 681     m_view->hideToolTip(ToolTipManager::HideBehavior::Instantly);
 682     m_view->setNameFilter(nameFilter);
 683     delayedStatusBarUpdate();
 684 }
 685
 686 void DolphinViewContainer::activate()
 687 {
 688     setActive(true);
 689 }
 690
 691 void DolphinViewContainer::slotUrlNavigatorLocationAboutToBeChanged(const QUrl&)
 692 {
 693     saveViewState();
 694 }
 695
 696 void DolphinViewContainer::slotUrlNavigatorLocationChanged(const QUrl& url)
 697 {
 698     slotReturnPressed();
 699
 700     if (KProtocolManager::supportsListing(url)) {
 701         setSearchModeEnabled(isSearchUrl(url));
 702         m_view->setUrl(url);
 703         tryRestoreViewState();
 704
 705         if (m_autoGrabFocus && isActive() && !isSearchUrl(url)) {
 706             // When an URL has been entered, the view should get the focus.
 707             // The focus must be requested asynchronously, as changing the URL might create
 708             // a new view widget.
 709             QTimer::singleShot(0, this, &DolphinViewContainer::requestFocus);
 710         }
 711     } else if (KProtocolManager::isSourceProtocol(url)) {
 712         if (url.scheme().startsWith(QLatin1String("http"))) {
 713             showMessage(i18nc("@info:status", // krazy:exclude=qmethods
 714                               "Dolphin does not support web pages, the web browser has been launched"),
 715                         Information);
 716         } else {
 717             showMessage(i18nc("@info:status",
 718                               "Protocol not supported by Dolphin, default application has been launched"),
 719                         Information);
 720         }
 721
 722         QDesktopServices::openUrl(url);
 723         redirect(QUrl(), m_urlNavigator->locationUrl(1));
 724     } else {
 725         showMessage(i18nc("@info:status", "Invalid protocol"), Error);
 726     }
 727 }
 728
 729 void DolphinViewContainer::slotUrlSelectionRequested(const QUrl& url)
 730 {
 731     m_view->markUrlsAsSelected({url});
 732     m_view->markUrlAsCurrent(url); // makes the item scroll into view
 733 }
 734
 735 void DolphinViewContainer::redirect(const QUrl& oldUrl, const QUrl& newUrl)
 736 {
 737     Q_UNUSED(oldUrl)
 738     const bool block = m_urlNavigator->signalsBlocked();
 739     m_urlNavigator->blockSignals(true);
 740
 741     // Assure that the location state is reset for redirection URLs. This
 742     // allows to skip redirection URLs when going back or forward in the
 743     // URL history.
 744     m_urlNavigator->saveLocationState(QByteArray());
 745     m_urlNavigator->setLocationUrl(newUrl);
 746     setSearchModeEnabled(isSearchUrl(newUrl));
 747
 748     m_urlNavigator->blockSignals(block);
 749 }
 750
 751 void DolphinViewContainer::requestFocus()
 752 {
 753     m_view->setFocus();
 754 }
 755
 756 void DolphinViewContainer::saveUrlCompletionMode(KCompletion::CompletionMode completion)
 757 {
 758     GeneralSettings::setUrlCompletionMode(completion);
 759 }
 760
 761 void DolphinViewContainer::slotReturnPressed()
 762 {
 763     if (!GeneralSettings::editableUrl()) {
 764         m_urlNavigator->setUrlEditable(false);
 765     }
 766 }
 767
 768 void DolphinViewContainer::startSearching()
 769 {
 770     const QUrl url = m_searchBox->urlForSearching();
 771     if (url.isValid() && !url.isEmpty()) {
 772         m_view->setViewPropertiesContext(QStringLiteral("search"));
 773         m_urlNavigator->setLocationUrl(url);
 774     }
 775 }
 776
 777 void DolphinViewContainer::closeSearchBox()
 778 {
 779     setSearchModeEnabled(false);
 780 }
 781
 782 void DolphinViewContainer::stopDirectoryLoading()
 783 {
 784     m_view->stopLoading();
 785     m_statusBar->setProgress(100);
 786 }
 787
 788 void DolphinViewContainer::slotStatusBarZoomLevelChanged(int zoomLevel)
 789 {
 790     m_view->setZoomLevel(zoomLevel);
 791 }
 792
 793 void DolphinViewContainer::showErrorMessage(const QString& msg)
 794 {
 795     showMessage(msg, Error);
 796 }
 797
 798 bool DolphinViewContainer::isSearchUrl(const QUrl& url) const
 799 {
 800     return url.scheme().contains(QLatin1String("search"));
 801 }
 802
 803 void DolphinViewContainer::saveViewState()
 804 {
 805     QByteArray locationState;
 806     QDataStream stream(&locationState, QIODevice::WriteOnly);
 807     m_view->saveState(stream);
 808     m_urlNavigator->saveLocationState(locationState);
 809 }
 810
 811 void DolphinViewContainer::tryRestoreViewState()
 812 {
 813     QByteArray locationState = m_urlNavigator->locationState();
 814     if (!locationState.isEmpty()) {
 815         QDataStream stream(&locationState, QIODevice::ReadOnly);
 816         m_view->restoreState(stream);
 817     }
 818 }