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 #include <KProtocolManager>
  22
  23 #include <QApplication>
  24 #include <QKeyEvent>
  25 #include <QItemSelection>
  26 #include <QBoxLayout>
  27 #include <QTimer>
  28 #include <QScrollBar>
  29
  30 #include <KDesktopFile>
  31 #include <KFileItemDelegate>
  32 #include <KFileItemActions>
  33 #include <KFilePlacesModel>
  34 #include <KLocale>
  35 #include <KIconEffect>
  36 #include <KIO/NetAccess>
  37 #include <KIO/PreviewJob>
  38 #include <KMessageWidget>
  39 #include <KNewFileMenu>
  40 #include <konqmimedata.h>
  41 #include <konq_operations.h>
  42 #include <KShell>
  43 #include <KUrl>
  44 #include <KUrlComboBox>
  45 #include <KUrlNavigator>
  46 #include <KRun>
  47
  48 #ifdef KActivities_FOUND
  49 #include <KActivities/ResourceInstance>
  50 #endif
  51
  52 #include "dolphin_generalsettings.h"
  53 #include "filterbar/filterbar.h"
  54 #include "search/dolphinsearchbox.h"
  55 #include "statusbar/dolphinstatusbar.h"
  56 #include "views/draganddrophelper.h"
  57 #include "views/viewmodecontroller.h"
  58 #include "views/viewproperties.h"
  59
  60 DolphinViewContainer::DolphinViewContainer(const KUrl& url, QWidget* parent) :
  61     QWidget(parent),
  62     m_topLayout(0),
  63     m_urlNavigator(0),
  64     m_searchBox(0),
  65     m_messageWidget(0),
  66     m_view(0),
  67     m_filterBar(0),
  68     m_statusBar(0),
  69     m_statusBarTimer(0),
  70     m_statusBarTimestamp(),
  71     m_autoGrabFocus(true)
  72 #ifdef KActivities_FOUND
  73     , m_activityResourceInstance(0)
  74 #endif
  75 {
  76     hide();
  77
  78     m_topLayout = new QVBoxLayout(this);
  79     m_topLayout->setSpacing(0);
  80     m_topLayout->setMargin(0);
  81
  82     m_urlNavigator = new KUrlNavigator(new KFilePlacesModel(this), url, this);
  83     connect(m_urlNavigator, SIGNAL(urlsDropped(KUrl,QDropEvent*)),
  84             this, SLOT(dropUrls(KUrl,QDropEvent*)));
  85     connect(m_urlNavigator, SIGNAL(activated()),
  86             this, SLOT(activate()));
  87     connect(m_urlNavigator->editor(), SIGNAL(completionModeChanged(KGlobalSettings::Completion)),
  88             this, SLOT(saveUrlCompletionMode(KGlobalSettings::Completion)));
  89
  90     const GeneralSettings* settings = GeneralSettings::self();
  91     m_urlNavigator->setUrlEditable(settings->editableUrl());
  92     m_urlNavigator->setShowFullPath(settings->showFullPath());
  93     m_urlNavigator->setHomeUrl(KUrl(settings->homeUrl()));
  94     KUrlComboBox* editor = m_urlNavigator->editor();
  95     editor->setCompletionMode(KGlobalSettings::Completion(settings->urlCompletionMode()));
  96
  97     m_searchBox = new DolphinSearchBox(this);
  98     m_searchBox->hide();
  99     connect(m_searchBox, SIGNAL(closeRequest()), this, SLOT(closeSearchBox()));
 100     connect(m_searchBox, SIGNAL(searchRequest()), this, SLOT(startSearching()));
 101     connect(m_searchBox, SIGNAL(returnPressed(QString)), this, SLOT(requestFocus()));
 102
 103     m_messageWidget = new KMessageWidget(this);
 104     m_messageWidget->setCloseButtonVisible(true);
 105     m_messageWidget->hide();
 106
 107     m_view = new DolphinView(url, this);
 108     connect(m_view, SIGNAL(urlChanged(KUrl)),                   m_urlNavigator, SLOT(setUrl(KUrl)));
 109     connect(m_view, SIGNAL(writeStateChanged(bool)),            this, SIGNAL(writeStateChanged(bool)));
 110     connect(m_view, SIGNAL(requestItemInfo(KFileItem)),         this, SLOT(showItemInfo(KFileItem)));
 111     connect(m_view, SIGNAL(itemActivated(KFileItem)),           this, SLOT(slotItemActivated(KFileItem)));
 112     connect(m_view, SIGNAL(itemsActivated(KFileItemList)),      this, SLOT(slotItemsActivated(KFileItemList)));
 113     connect(m_view, SIGNAL(redirection(KUrl,KUrl)),             this, SLOT(redirect(KUrl,KUrl)));
 114     connect(m_view, SIGNAL(directoryLoadingStarted()),          this, SLOT(slotDirectoryLoadingStarted()));
 115     connect(m_view, SIGNAL(directoryLoadingCompleted()),        this, SLOT(slotDirectoryLoadingCompleted()));
 116     connect(m_view, SIGNAL(directoryLoadingCanceled()),         this, SLOT(slotDirectoryLoadingCanceled()));
 117     connect(m_view, SIGNAL(itemCountChanged()),                 this, SLOT(delayedStatusBarUpdate()));
 118     connect(m_view, SIGNAL(directoryLoadingProgress(int)),      this, SLOT(updateDirectoryLoadingProgress(int)));
 119     connect(m_view, SIGNAL(directorySortingProgress(int)),      this, SLOT(updateDirectorySortingProgress(int)));
 120     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),    this, SLOT(delayedStatusBarUpdate()));
 121     connect(m_view, SIGNAL(urlAboutToBeChanged(KUrl)),          this, SLOT(slotViewUrlAboutToBeChanged(KUrl)));
 122     connect(m_view, SIGNAL(errorMessage(QString)),              this, SLOT(showErrorMessage(QString)));
 123     connect(m_view, SIGNAL(urlIsFileError(KUrl)),               this, SLOT(slotUrlIsFileError(KUrl)));
 124
 125     connect(m_urlNavigator, SIGNAL(urlAboutToBeChanged(KUrl)),
 126             this, SLOT(slotUrlNavigatorLocationAboutToBeChanged(KUrl)));
 127     connect(m_urlNavigator, SIGNAL(urlChanged(KUrl)),
 128             this, SLOT(slotUrlNavigatorLocationChanged(KUrl)));
 129     connect(m_urlNavigator, SIGNAL(historyChanged()),
 130             this, SLOT(slotHistoryChanged()));
 131     connect(m_urlNavigator, SIGNAL(returnPressed()),
 132             this, SLOT(slotReturnPressed()));
 133
 134     // Initialize status bar
 135     m_statusBar = new DolphinStatusBar(this);
 136     m_statusBar->setUrl(m_view->url());
 137     m_statusBar->setZoomLevel(m_view->zoomLevel());
 138     connect(m_view, SIGNAL(urlChanged(KUrl)),                   m_statusBar, SLOT(setUrl(KUrl)));
 139     connect(m_view, SIGNAL(zoomLevelChanged(int,int)),          m_statusBar, SLOT(setZoomLevel(int)));
 140     connect(m_view, SIGNAL(infoMessage(QString)),               m_statusBar, SLOT(setText(QString)));
 141     connect(m_view, SIGNAL(operationCompletedMessage(QString)), m_statusBar, SLOT(setText(QString)));
 142     connect(m_statusBar, SIGNAL(stopPressed()),                 this, SLOT(stopDirectoryLoading()));
 143     connect(m_statusBar, SIGNAL(zoomLevelChanged(int)),         this, SLOT(slotStatusBarZoomLevelChanged(int)));
 144
 145     m_statusBarTimer = new QTimer(this);
 146     m_statusBarTimer->setSingleShot(true);
 147     m_statusBarTimer->setInterval(300);
 148     connect(m_statusBarTimer, SIGNAL(timeout()), this, SLOT(updateStatusBar()));
 149
 150     KIO::FileUndoManager* undoManager = KIO::FileUndoManager::self();
 151     connect(undoManager, SIGNAL(jobRecordingFinished(CommandType)),
 152             this, SLOT(delayedStatusBarUpdate()));
 153
 154     // Initialize filter bar
 155     m_filterBar = new FilterBar(this);
 156     m_filterBar->setVisible(settings->filterBar());
 157     connect(m_filterBar, SIGNAL(filterChanged(QString)),
 158             this, SLOT(setNameFilter(QString)));
 159     connect(m_filterBar, SIGNAL(closeRequest()),
 160             this, SLOT(closeFilterBar()));
 161     connect(m_view, SIGNAL(urlChanged(KUrl)),
 162             m_filterBar, SLOT(clear()));
 163
 164     m_topLayout->addWidget(m_urlNavigator);
 165     m_topLayout->addWidget(m_searchBox);
 166     m_topLayout->addWidget(m_messageWidget);
 167     m_topLayout->addWidget(m_view);
 168     m_topLayout->addWidget(m_filterBar);
 169     m_topLayout->addWidget(m_statusBar);
 170
 171     setSearchModeEnabled(isSearchUrl(url));
 172
 173     // Initialize kactivities resource instance
 174
 175     #ifdef KActivities_FOUND
 176     m_activityResourceInstance = new KActivities::ResourceInstance(
 177             window()->winId(), url);
 178     m_activityResourceInstance->setParent(this);
 179     #endif
 180 }
 181
 182 DolphinViewContainer::~DolphinViewContainer()
 183 {
 184 }
 185
 186 KUrl DolphinViewContainer::url() const
 187 {
 188     return m_view->url();
 189 }
 190
 191 void DolphinViewContainer::setActive(bool active)
 192 {
 193     m_urlNavigator->setActive(active);
 194     m_view->setActive(active);
 195
 196     #ifdef KActivities_FOUND
 197     if (active) {
 198         m_activityResourceInstance->notifyFocusedIn();
 199     } else {
 200         m_activityResourceInstance->notifyFocusedOut();
 201     }
 202     #endif
 203 }
 204
 205 bool DolphinViewContainer::isActive() const
 206 {
 207     Q_ASSERT(m_view->isActive() == m_urlNavigator->isActive());
 208     return m_view->isActive();
 209 }
 210
 211 void DolphinViewContainer::setAutoGrabFocus(bool grab)
 212 {
 213     m_autoGrabFocus = grab;
 214 }
 215
 216 bool DolphinViewContainer::autoGrabFocus() const
 217 {
 218     return m_autoGrabFocus;
 219 }
 220
 221 const DolphinStatusBar* DolphinViewContainer::statusBar() const
 222 {
 223     return m_statusBar;
 224 }
 225
 226 DolphinStatusBar* DolphinViewContainer::statusBar()
 227 {
 228     return m_statusBar;
 229 }
 230
 231 const KUrlNavigator* DolphinViewContainer::urlNavigator() const
 232 {
 233     return m_urlNavigator;
 234 }
 235
 236 KUrlNavigator* DolphinViewContainer::urlNavigator()
 237 {
 238     return m_urlNavigator;
 239 }
 240
 241 const DolphinView* DolphinViewContainer::view() const
 242 {
 243     return m_view;
 244 }
 245
 246 DolphinView* DolphinViewContainer::view()
 247 {
 248     return m_view;
 249 }
 250
 251 void DolphinViewContainer::showMessage(const QString& msg, MessageType type)
 252 {
 253     if (msg.isEmpty()) {
 254         return;
 255     }
 256
 257     m_messageWidget->setText(msg);
 258
 259     switch (type) {
 260     case Information: m_messageWidget->setMessageType(KMessageWidget::Information); break;
 261     case Warning:     m_messageWidget->setMessageType(KMessageWidget::Warning); break;
 262     case Error:       m_messageWidget->setMessageType(KMessageWidget::Error); break;
 263     default:
 264         Q_ASSERT(false);
 265         break;
 266     }
 267
 268     m_messageWidget->setWordWrap(false);
 269     const int unwrappedWidth = m_messageWidget->sizeHint().width();
 270     m_messageWidget->setWordWrap(unwrappedWidth > size().width());
 271
 272     m_messageWidget->animatedShow();
 273 }
 274
 275 void DolphinViewContainer::readSettings()
 276 {
 277     if (GeneralSettings::modifiedStartupSettings()) {
 278         // The startup settings should only get applied if they have been
 279         // modified by the user. Otherwise keep the (possibly) different current
 280         // settings of the URL navigator and the filterbar.
 281         m_urlNavigator->setUrlEditable(GeneralSettings::editableUrl());
 282         m_urlNavigator->setShowFullPath(GeneralSettings::showFullPath());
 283         m_urlNavigator->setHomeUrl(KUrl(GeneralSettings::homeUrl()));
 284         setFilterBarVisible(GeneralSettings::filterBar());
 285     }
 286
 287     m_view->readSettings();
 288     m_statusBar->readSettings();
 289 }
 290
 291 bool DolphinViewContainer::isFilterBarVisible() const
 292 {
 293     return m_filterBar->isVisible();
 294 }
 295
 296 void DolphinViewContainer::setSearchModeEnabled(bool enabled)
 297 {
 298     if (enabled == isSearchModeEnabled()) {
 299         if (enabled && !m_searchBox->hasFocus()) {
 300             m_searchBox->setFocus();
 301             m_searchBox->selectAll();
 302         }
 303         return;
 304     }
 305
 306     m_searchBox->setVisible(enabled);
 307     m_urlNavigator->setVisible(!enabled);
 308
 309     if (enabled) {
 310         KUrl url = m_urlNavigator->locationUrl();
 311         m_searchBox->setText(QString());
 312         m_searchBox->setReadOnly(isSearchUrl(url), url);
 313
 314         // Remember the most recent non-search URL as search path
 315         // of the search-box, so that it can be restored
 316         // when switching back to the URL navigator.
 317         int index = m_urlNavigator->historyIndex();
 318         const int historySize = m_urlNavigator->historySize();
 319         while (isSearchUrl(url) && (index < historySize)) {
 320             ++index;
 321             url = m_urlNavigator->locationUrl(index);
 322         }
 323
 324         if (!isSearchUrl(url)) {
 325             m_searchBox->setSearchPath(url);
 326         }
 327     } else {
 328         m_view->setViewPropertiesContext(QString());
 329
 330         // Restore the URL for the URL navigator. If Dolphin has been
 331         // started with a search-URL, the home URL is used as fallback.
 332         const KUrl url = m_searchBox->searchPath();
 333         if (url.isValid() && !url.isEmpty()) {
 334             if (isSearchUrl(url)) {
 335                 m_urlNavigator->goHome();
 336             } else {
 337                 m_urlNavigator->setLocationUrl(url);
 338             }
 339         }
 340     }
 341 }
 342
 343 bool DolphinViewContainer::isSearchModeEnabled() const
 344 {
 345     return m_searchBox->isVisible();
 346 }
 347
 348 QString DolphinViewContainer::placesText() const
 349 {
 350     QString text;
 351
 352     if (isSearchModeEnabled()) {
 353         text = m_searchBox->searchPath().fileName() + QLatin1String(": ") + m_searchBox->text();
 354     } else {
 355         text = url().fileName();
 356         if (text.isEmpty()) {
 357             text = url().host();
 358         }
 359     }
 360
 361     return text;
 362 }
 363
 364 void DolphinViewContainer::setUrl(const KUrl& newUrl)
 365 {
 366     if (newUrl != m_urlNavigator->locationUrl()) {
 367         m_urlNavigator->setLocationUrl(newUrl);
 368     }
 369
 370     #ifdef KActivities_FOUND
 371     m_activityResourceInstance->setUri(newUrl);
 372     #endif
 373 }
 374
 375 void DolphinViewContainer::setFilterBarVisible(bool visible)
 376 {
 377     Q_ASSERT(m_filterBar);
 378     if (visible) {
 379         m_filterBar->show();
 380         m_filterBar->setFocus();
 381         m_filterBar->selectAll();
 382     } else {
 383         closeFilterBar();
 384     }
 385 }
 386
 387 void DolphinViewContainer::delayedStatusBarUpdate()
 388 {
 389     if (m_statusBarTimer->isActive() && (m_statusBarTimestamp.elapsed() > 2000)) {
 390         // No update of the statusbar has been done during the last 2 seconds,
 391         // although an update has been requested. Trigger an immediate update.
 392         m_statusBarTimer->stop();
 393         updateStatusBar();
 394     } else {
 395         // Invoke updateStatusBar() with a small delay. This assures that
 396         // when a lot of delayedStatusBarUpdates() are done in a short time,
 397         // no bottleneck is given.
 398         m_statusBarTimer->start();
 399     }
 400 }
 401
 402 void DolphinViewContainer::updateStatusBar()
 403 {
 404     m_statusBarTimestamp.start();
 405
 406     const QString text = m_view->statusBarText();
 407     m_statusBar->setDefaultText(text);
 408     m_statusBar->resetToDefaultText();
 409 }
 410
 411 void DolphinViewContainer::updateDirectoryLoadingProgress(int percent)
 412 {
 413     if (m_statusBar->progressText().isEmpty()) {
 414         m_statusBar->setProgressText(i18nc("@info:progress", "Loading folder..."));
 415     }
 416     m_statusBar->setProgress(percent);
 417 }
 418
 419 void DolphinViewContainer::updateDirectorySortingProgress(int percent)
 420 {
 421     if (m_statusBar->progressText().isEmpty()) {
 422         m_statusBar->setProgressText(i18nc("@info:progress", "Sorting..."));
 423     }
 424     m_statusBar->setProgress(percent);
 425 }
 426
 427 void DolphinViewContainer::slotDirectoryLoadingStarted()
 428 {
 429     if (isSearchUrl(url())) {
 430         // Search KIO-slaves usually don't provide any progress information. Give
 431         // a hint to the user that a searching is done:
 432         updateStatusBar();
 433         m_statusBar->setProgressText(i18nc("@info", "Searching..."));
 434         m_statusBar->setProgress(-1);
 435     } else {
 436         // Trigger an undetermined progress indication. The progress
 437         // information in percent will be triggered by the percent() signal
 438         // of the directory lister later.
 439         updateDirectoryLoadingProgress(-1);
 440     }
 441 }
 442
 443 void DolphinViewContainer::slotDirectoryLoadingCompleted()
 444 {
 445     if (!m_statusBar->progressText().isEmpty()) {
 446         m_statusBar->setProgressText(QString());
 447         m_statusBar->setProgress(100);
 448     }
 449
 450     if (isSearchUrl(url()) && m_view->itemsCount() == 0) {
 451         // The dir lister has been completed on a Nepomuk-URI and no items have been found. Instead
 452         // of showing the default status bar information ("0 items") a more helpful information is given:
 453         m_statusBar->setText(i18nc("@info:status", "No items found."));
 454     } else {
 455         updateStatusBar();
 456     }
 457 }
 458
 459 void DolphinViewContainer::slotDirectoryLoadingCanceled()
 460 {
 461     if (!m_statusBar->progressText().isEmpty()) {
 462         m_statusBar->setProgressText(QString());
 463         m_statusBar->setProgress(100);
 464     }
 465
 466     m_statusBar->setText(QString());
 467 }
 468
 469 void DolphinViewContainer::slotUrlIsFileError(const KUrl& url)
 470 {
 471     const KFileItem item(KFileItem::Unknown, KFileItem::Unknown, url);
 472     slotItemActivated(item);
 473 }
 474
 475 void DolphinViewContainer::slotItemActivated(const KFileItem& item)
 476 {
 477     // It is possible to activate items on inactive views by
 478     // drag & drop operations. Assure that activating an item always
 479     // results in an active view.
 480     m_view->setActive(true);
 481
 482     KUrl url = item.targetUrl();
 483
 484     if (item.isDir()) {
 485         m_view->setUrl(url);
 486         return;
 487     }
 488
 489     if (GeneralSettings::browseThroughArchives() && item.isFile() && url.isLocalFile()) {
 490         // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
 491         // zip:/<path>/ when clicking on a zip file, etc.
 492         // The .protocol file specifies the mimetype that the kioslave handles.
 493         // Note that we don't use mimetype inheritance since we don't want to
 494         // open OpenDocument files as zip folders...
 495         const QString protocol = KProtocolManager::protocolForArchiveMimetype(item.mimetype());
 496         if (!protocol.isEmpty()) {
 497             url.setProtocol(protocol);
 498             m_view->setUrl(url);
 499             return;
 500         }
 501     }
 502
 503     if (item.mimetype() == QLatin1String("application/x-desktop")) {
 504         // Redirect to the URL in Type=Link desktop files
 505         KDesktopFile desktopFile(url.toLocalFile());
 506         if (desktopFile.hasLinkType()) {
 507             url = desktopFile.readUrl();
 508             m_view->setUrl(url);
 509             return;
 510         }
 511     }
 512
 513     item.run();
 514 }
 515
 516 void DolphinViewContainer::slotItemsActivated(const KFileItemList& items)
 517 {
 518     Q_ASSERT(items.count() >= 2);
 519
 520     KFileItemActions fileItemActions(this);
 521     fileItemActions.runPreferredApplications(items, QString());
 522 }
 523
 524 void DolphinViewContainer::showItemInfo(const KFileItem& item)
 525 {
 526     if (item.isNull()) {
 527         m_statusBar->resetToDefaultText();
 528     } else {
 529         const QString text = item.isDir() ? item.text() : item.getStatusBarInfo();
 530         m_statusBar->setText(text);
 531     }
 532 }
 533
 534 void DolphinViewContainer::closeFilterBar()
 535 {
 536     m_filterBar->hide();
 537     m_filterBar->clear();
 538     m_view->setFocus();
 539     emit showFilterBarChanged(false);
 540 }
 541
 542 void DolphinViewContainer::setNameFilter(const QString& nameFilter)
 543 {
 544     m_view->setNameFilter(nameFilter);
 545     delayedStatusBarUpdate();
 546 }
 547
 548 void DolphinViewContainer::activate()
 549 {
 550     setActive(true);
 551 }
 552
 553 void DolphinViewContainer::slotViewUrlAboutToBeChanged(const KUrl& url)
 554 {
 555     // URL changes of the view can happen in two ways:
 556     // 1. The URL navigator gets changed and will trigger the view to update its URL
 557     // 2. The URL of the view gets changed and will trigger the URL navigator to update
 558     //    its URL (e.g. by clicking on an item)
 559     // In this scope the view-state may only get saved in case 2:
 560     if (url != m_urlNavigator->locationUrl()) {
 561         saveViewState();
 562     }
 563 }
 564
 565 void DolphinViewContainer::slotUrlNavigatorLocationAboutToBeChanged(const KUrl& url)
 566 {
 567     // URL changes of the view can happen in two ways:
 568     // 1. The URL navigator gets changed and will trigger the view to update its URL
 569     // 2. The URL of the view gets changed and will trigger the URL navigator to update
 570     //    its URL (e.g. by clicking on an item)
 571     // In this scope the view-state may only get saved in case 1:
 572     if (url != m_view->url()) {
 573         saveViewState();
 574     }
 575 }
 576
 577 void DolphinViewContainer::slotUrlNavigatorLocationChanged(const KUrl& url)
 578 {
 579     slotReturnPressed();
 580
 581     if (KProtocolManager::supportsListing(url)) {
 582         setSearchModeEnabled(isSearchUrl(url));
 583         m_view->setUrl(url);
 584
 585         if (m_autoGrabFocus && isActive() && !isSearchUrl(url)) {
 586             // When an URL has been entered, the view should get the focus.
 587             // The focus must be requested asynchronously, as changing the URL might create
 588             // a new view widget.
 589             QTimer::singleShot(0, this, SLOT(requestFocus()));
 590         }
 591     } else if (KProtocolManager::isSourceProtocol(url)) {
 592         QString app = "konqueror";
 593         if (url.protocol().startsWith(QLatin1String("http"))) {
 594             showMessage(i18nc("@info:status", // krazy:exclude=qmethods
 595                               "Dolphin does not support web pages, the web browser has been launched"),
 596                         Information);
 597
 598             const KConfigGroup config(KSharedConfig::openConfig("kdeglobals"), "General");
 599             const QString browser = config.readEntry("BrowserApplication");
 600             if (!browser.isEmpty()) {
 601                 app = browser;
 602                 if (app.startsWith('!')) {
 603                     // a literal command has been configured, remove the '!' prefix
 604                     app = app.mid(1);
 605                 }
 606             }
 607         } else {
 608             showMessage(i18nc("@info:status",
 609                               "Protocol not supported by Dolphin, Konqueror has been launched"),
 610                         Information);
 611         }
 612
 613         const QString secureUrl = KShell::quoteArg(url.pathOrUrl());
 614         const QString command = app + ' ' + secureUrl;
 615         KRun::runCommand(command, app, app, this);
 616     } else {
 617         showMessage(i18nc("@info:status", "Invalid protocol"), Error);
 618     }
 619 }
 620
 621 void DolphinViewContainer::dropUrls(const KUrl& destination, QDropEvent* event)
 622 {
 623     QString error;
 624     DragAndDropHelper::dropUrls(KFileItem(), destination, event, error);
 625     if (!error.isEmpty()) {
 626         showMessage(error, Error);
 627     }
 628 }
 629
 630 void DolphinViewContainer::redirect(const KUrl& oldUrl, const KUrl& newUrl)
 631 {
 632     Q_UNUSED(oldUrl);
 633     const bool block = m_urlNavigator->signalsBlocked();
 634     m_urlNavigator->blockSignals(true);
 635
 636     // Assure that the location state is reset for redirection URLs. This
 637     // allows to skip redirection URLs when going back or forward in the
 638     // URL history.
 639     m_urlNavigator->saveLocationState(QByteArray());
 640     m_urlNavigator->setLocationUrl(newUrl);
 641     setSearchModeEnabled(isSearchUrl(newUrl));
 642
 643     m_urlNavigator->blockSignals(block);
 644 }
 645
 646 void DolphinViewContainer::requestFocus()
 647 {
 648     m_view->setFocus();
 649 }
 650
 651 void DolphinViewContainer::saveUrlCompletionMode(KGlobalSettings::Completion completion)
 652 {
 653     GeneralSettings::setUrlCompletionMode(completion);
 654 }
 655
 656 void DolphinViewContainer::slotHistoryChanged()
 657 {
 658     QByteArray locationState = m_urlNavigator->locationState();
 659     if (!locationState.isEmpty()) {
 660         QDataStream stream(&locationState, QIODevice::ReadOnly);
 661         m_view->restoreState(stream);
 662     }
 663 }
 664
 665 void DolphinViewContainer::slotReturnPressed()
 666 {
 667     if (!GeneralSettings::editableUrl()) {
 668         m_urlNavigator->setUrlEditable(false);
 669     }
 670 }
 671
 672 void DolphinViewContainer::startSearching()
 673 {
 674     const KUrl url = m_searchBox->urlForSearching();
 675     if (url.isValid() && !url.isEmpty()) {
 676         m_view->setViewPropertiesContext("search");
 677         m_urlNavigator->setLocationUrl(url);
 678     }
 679 }
 680
 681 void DolphinViewContainer::closeSearchBox()
 682 {
 683     setSearchModeEnabled(false);
 684 }
 685
 686 void DolphinViewContainer::stopDirectoryLoading()
 687 {
 688     m_view->stopLoading();
 689     m_statusBar->setProgress(100);
 690 }
 691
 692 void DolphinViewContainer::slotStatusBarZoomLevelChanged(int zoomLevel)
 693 {
 694     m_view->setZoomLevel(zoomLevel);
 695 }
 696
 697 void DolphinViewContainer::showErrorMessage(const QString& msg)
 698 {
 699     showMessage(msg, Error);
 700 }
 701
 702 bool DolphinViewContainer::isSearchUrl(const KUrl& url) const
 703 {
 704     const QString protocol = url.protocol();
 705     return protocol.contains("search") || (protocol == QLatin1String("nepomuk"));
 706 }
 707
 708 void DolphinViewContainer::saveViewState()
 709 {
 710     QByteArray locationState;
 711     QDataStream stream(&locationState, QIODevice::WriteOnly);
 712     m_view->saveState(stream);
 713     m_urlNavigator->saveLocationState(locationState);
 714 }
 715
 716 #include "dolphinviewcontainer.moc"