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