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