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