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_filterBar, SIGNAL(focusViewRequest()),
 162             this, SLOT(focusView()));
 163     connect(m_view, SIGNAL(urlChanged(KUrl)),
 164             m_filterBar, SLOT(clear()));
 165
 166     m_topLayout->addWidget(m_urlNavigator);
 167     m_topLayout->addWidget(m_searchBox);
 168     m_topLayout->addWidget(m_messageWidget);
 169     m_topLayout->addWidget(m_view);
 170     m_topLayout->addWidget(m_filterBar);
 171     m_topLayout->addWidget(m_statusBar);
 172
 173     setSearchModeEnabled(isSearchUrl(url));
 174
 175     // Initialize kactivities resource instance
 176
 177     #ifdef KActivities_FOUND
 178     m_activityResourceInstance = new KActivities::ResourceInstance(
 179             window()->winId(), url);
 180     m_activityResourceInstance->setParent(this);
 181     #endif
 182 }
 183
 184 DolphinViewContainer::~DolphinViewContainer()
 185 {
 186 }
 187
 188 KUrl DolphinViewContainer::url() const
 189 {
 190     return m_view->url();
 191 }
 192
 193 void DolphinViewContainer::setActive(bool active)
 194 {
 195     m_urlNavigator->setActive(active);
 196     m_view->setActive(active);
 197
 198     #ifdef KActivities_FOUND
 199     if (active) {
 200         m_activityResourceInstance->notifyFocusedIn();
 201     } else {
 202         m_activityResourceInstance->notifyFocusedOut();
 203     }
 204     #endif
 205 }
 206
 207 bool DolphinViewContainer::isActive() const
 208 {
 209     Q_ASSERT(m_view->isActive() == m_urlNavigator->isActive());
 210     return m_view->isActive();
 211 }
 212
 213 void DolphinViewContainer::setAutoGrabFocus(bool grab)
 214 {
 215     m_autoGrabFocus = grab;
 216 }
 217
 218 bool DolphinViewContainer::autoGrabFocus() const
 219 {
 220     return m_autoGrabFocus;
 221 }
 222
 223 const DolphinStatusBar* DolphinViewContainer::statusBar() const
 224 {
 225     return m_statusBar;
 226 }
 227
 228 DolphinStatusBar* DolphinViewContainer::statusBar()
 229 {
 230     return m_statusBar;
 231 }
 232
 233 const KUrlNavigator* DolphinViewContainer::urlNavigator() const
 234 {
 235     return m_urlNavigator;
 236 }
 237
 238 KUrlNavigator* DolphinViewContainer::urlNavigator()
 239 {
 240     return m_urlNavigator;
 241 }
 242
 243 const DolphinView* DolphinViewContainer::view() const
 244 {
 245     return m_view;
 246 }
 247
 248 DolphinView* DolphinViewContainer::view()
 249 {
 250     return m_view;
 251 }
 252
 253 void DolphinViewContainer::showMessage(const QString& msg, MessageType type)
 254 {
 255     if (msg.isEmpty()) {
 256         return;
 257     }
 258
 259     m_messageWidget->setText(msg);
 260
 261     switch (type) {
 262     case Information: m_messageWidget->setMessageType(KMessageWidget::Information); break;
 263     case Warning:     m_messageWidget->setMessageType(KMessageWidget::Warning); break;
 264     case Error:       m_messageWidget->setMessageType(KMessageWidget::Error); break;
 265     default:
 266         Q_ASSERT(false);
 267         break;
 268     }
 269
 270     m_messageWidget->setWordWrap(false);
 271     const int unwrappedWidth = m_messageWidget->sizeHint().width();
 272     m_messageWidget->setWordWrap(unwrappedWidth > size().width());
 273
 274     m_messageWidget->animatedShow();
 275 }
 276
 277 void DolphinViewContainer::readSettings()
 278 {
 279     if (GeneralSettings::modifiedStartupSettings()) {
 280         // The startup settings should only get applied if they have been
 281         // modified by the user. Otherwise keep the (possibly) different current
 282         // settings of the URL navigator and the filterbar.
 283         m_urlNavigator->setUrlEditable(GeneralSettings::editableUrl());
 284         m_urlNavigator->setShowFullPath(GeneralSettings::showFullPath());
 285         m_urlNavigator->setHomeUrl(KUrl(GeneralSettings::homeUrl()));
 286         setFilterBarVisible(GeneralSettings::filterBar());
 287     }
 288
 289     m_view->readSettings();
 290     m_statusBar->readSettings();
 291 }
 292
 293 bool DolphinViewContainer::isFilterBarVisible() const
 294 {
 295     return m_filterBar->isVisible();
 296 }
 297
 298 void DolphinViewContainer::setSearchModeEnabled(bool enabled)
 299 {
 300     if (enabled == isSearchModeEnabled()) {
 301         if (enabled && !m_searchBox->hasFocus()) {
 302             m_searchBox->setFocus();
 303             m_searchBox->selectAll();
 304         }
 305         return;
 306     }
 307
 308     m_searchBox->setVisible(enabled);
 309     m_urlNavigator->setVisible(!enabled);
 310
 311     if (enabled) {
 312         KUrl url = m_urlNavigator->locationUrl();
 313         m_searchBox->setText(QString());
 314         m_searchBox->setReadOnly(isSearchUrl(url), url);
 315
 316         // Remember the most recent non-search URL as search path
 317         // of the search-box, so that it can be restored
 318         // when switching back to the URL navigator.
 319         int index = m_urlNavigator->historyIndex();
 320         const int historySize = m_urlNavigator->historySize();
 321         while (isSearchUrl(url) && (index < historySize)) {
 322             ++index;
 323             url = m_urlNavigator->locationUrl(index);
 324         }
 325
 326         if (!isSearchUrl(url)) {
 327             m_searchBox->setSearchPath(url);
 328         }
 329     } else {
 330         m_view->setViewPropertiesContext(QString());
 331
 332         // Restore the URL for the URL navigator. If Dolphin has been
 333         // started with a search-URL, the home URL is used as fallback.
 334         const KUrl url = m_searchBox->searchPath();
 335         if (url.isValid() && !url.isEmpty()) {
 336             if (isSearchUrl(url)) {
 337                 m_urlNavigator->goHome();
 338             } else {
 339                 m_urlNavigator->setLocationUrl(url);
 340             }
 341         }
 342     }
 343 }
 344
 345 bool DolphinViewContainer::isSearchModeEnabled() const
 346 {
 347     return m_searchBox->isVisible();
 348 }
 349
 350 QString DolphinViewContainer::placesText() const
 351 {
 352     QString text;
 353
 354     if (isSearchModeEnabled()) {
 355         text = m_searchBox->searchPath().fileName() + QLatin1String(": ") + m_searchBox->text();
 356     } else {
 357         text = url().fileName();
 358         if (text.isEmpty()) {
 359             text = url().host();
 360         }
 361     }
 362
 363     return text;
 364 }
 365
 366 void DolphinViewContainer::setUrl(const KUrl& newUrl)
 367 {
 368     if (newUrl != m_urlNavigator->locationUrl()) {
 369         m_urlNavigator->setLocationUrl(newUrl);
 370     }
 371
 372     #ifdef KActivities_FOUND
 373     m_activityResourceInstance->setUri(newUrl);
 374     #endif
 375 }
 376
 377 void DolphinViewContainer::setFilterBarVisible(bool visible)
 378 {
 379     Q_ASSERT(m_filterBar);
 380     if (visible) {
 381         m_filterBar->show();
 382         m_filterBar->setFocus();
 383         m_filterBar->selectAll();
 384     } else {
 385         closeFilterBar();
 386     }
 387 }
 388
 389 void DolphinViewContainer::focusView()
 390 {
 391     Q_ASSERT(m_view);
 392     m_view->setFocus();
 393 }
 394
 395 void DolphinViewContainer::delayedStatusBarUpdate()
 396 {
 397     if (m_statusBarTimer->isActive() && (m_statusBarTimestamp.elapsed() > 2000)) {
 398         // No update of the statusbar has been done during the last 2 seconds,
 399         // although an update has been requested. Trigger an immediate update.
 400         m_statusBarTimer->stop();
 401         updateStatusBar();
 402     } else {
 403         // Invoke updateStatusBar() with a small delay. This assures that
 404         // when a lot of delayedStatusBarUpdates() are done in a short time,
 405         // no bottleneck is given.
 406         m_statusBarTimer->start();
 407     }
 408 }
 409
 410 void DolphinViewContainer::updateStatusBar()
 411 {
 412     m_statusBarTimestamp.start();
 413
 414     const QString text = m_view->statusBarText();
 415     m_statusBar->setDefaultText(text);
 416     m_statusBar->resetToDefaultText();
 417 }
 418
 419 void DolphinViewContainer::updateDirectoryLoadingProgress(int percent)
 420 {
 421     if (m_statusBar->progressText().isEmpty()) {
 422         m_statusBar->setProgressText(i18nc("@info:progress", "Loading folder..."));
 423     }
 424     m_statusBar->setProgress(percent);
 425 }
 426
 427 void DolphinViewContainer::updateDirectorySortingProgress(int percent)
 428 {
 429     if (m_statusBar->progressText().isEmpty()) {
 430         m_statusBar->setProgressText(i18nc("@info:progress", "Sorting..."));
 431     }
 432     m_statusBar->setProgress(percent);
 433 }
 434
 435 void DolphinViewContainer::slotDirectoryLoadingStarted()
 436 {
 437     if (isSearchUrl(url())) {
 438         // Search KIO-slaves usually don't provide any progress information. Give
 439         // a hint to the user that a searching is done:
 440         updateStatusBar();
 441         m_statusBar->setProgressText(i18nc("@info", "Searching..."));
 442         m_statusBar->setProgress(-1);
 443     } else {
 444         // Trigger an undetermined progress indication. The progress
 445         // information in percent will be triggered by the percent() signal
 446         // of the directory lister later.
 447         updateDirectoryLoadingProgress(-1);
 448     }
 449 }
 450
 451 void DolphinViewContainer::slotDirectoryLoadingCompleted()
 452 {
 453     if (!m_statusBar->progressText().isEmpty()) {
 454         m_statusBar->setProgressText(QString());
 455         m_statusBar->setProgress(100);
 456     }
 457
 458     if (isSearchUrl(url()) && m_view->itemsCount() == 0) {
 459         // The dir lister has been completed on a Nepomuk-URI and no items have been found. Instead
 460         // of showing the default status bar information ("0 items") a more helpful information is given:
 461         m_statusBar->setText(i18nc("@info:status", "No items found."));
 462     } else {
 463         updateStatusBar();
 464     }
 465 }
 466
 467 void DolphinViewContainer::slotDirectoryLoadingCanceled()
 468 {
 469     if (!m_statusBar->progressText().isEmpty()) {
 470         m_statusBar->setProgressText(QString());
 471         m_statusBar->setProgress(100);
 472     }
 473
 474     m_statusBar->setText(QString());
 475 }
 476
 477 void DolphinViewContainer::slotUrlIsFileError(const KUrl& url)
 478 {
 479     const KFileItem item(KFileItem::Unknown, KFileItem::Unknown, url);
 480     slotItemActivated(item);
 481 }
 482
 483 void DolphinViewContainer::slotItemActivated(const KFileItem& item)
 484 {
 485     // It is possible to activate items on inactive views by
 486     // drag & drop operations. Assure that activating an item always
 487     // results in an active view.
 488     m_view->setActive(true);
 489
 490     KUrl url = item.targetUrl();
 491
 492     if (item.isDir()) {
 493         m_view->setUrl(url);
 494         return;
 495     }
 496
 497     if (GeneralSettings::browseThroughArchives() && item.isFile() && url.isLocalFile()) {
 498         // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
 499         // zip:/<path>/ when clicking on a zip file, etc.
 500         // The .protocol file specifies the mimetype that the kioslave handles.
 501         // Note that we don't use mimetype inheritance since we don't want to
 502         // open OpenDocument files as zip folders...
 503         const QString protocol = KProtocolManager::protocolForArchiveMimetype(item.mimetype());
 504         if (!protocol.isEmpty()) {
 505             url.setProtocol(protocol);
 506             m_view->setUrl(url);
 507             return;
 508         }
 509     }
 510
 511     if (item.mimetype() == QLatin1String("application/x-desktop")) {
 512         // Redirect to the URL in Type=Link desktop files
 513         KDesktopFile desktopFile(url.toLocalFile());
 514         if (desktopFile.hasLinkType()) {
 515             url = desktopFile.readUrl();
 516             m_view->setUrl(url);
 517             return;
 518         }
 519     }
 520
 521     item.run();
 522 }
 523
 524 void DolphinViewContainer::slotItemsActivated(const KFileItemList& items)
 525 {
 526     Q_ASSERT(items.count() >= 2);
 527
 528     KFileItemActions fileItemActions(this);
 529     fileItemActions.runPreferredApplications(items, QString());
 530 }
 531
 532 void DolphinViewContainer::showItemInfo(const KFileItem& item)
 533 {
 534     if (item.isNull()) {
 535         m_statusBar->resetToDefaultText();
 536     } else {
 537         const QString text = item.isDir() ? item.text() : item.getStatusBarInfo();
 538         m_statusBar->setText(text);
 539     }
 540 }
 541
 542 void DolphinViewContainer::closeFilterBar()
 543 {
 544     m_filterBar->hide();
 545     m_filterBar->clear();
 546     m_view->setFocus();
 547     emit showFilterBarChanged(false);
 548 }
 549
 550 void DolphinViewContainer::setNameFilter(const QString& nameFilter)
 551 {
 552     m_view->setNameFilter(nameFilter);
 553     delayedStatusBarUpdate();
 554 }
 555
 556 void DolphinViewContainer::activate()
 557 {
 558     setActive(true);
 559 }
 560
 561 void DolphinViewContainer::slotViewUrlAboutToBeChanged(const KUrl& url)
 562 {
 563     // URL changes of the view can happen in two ways:
 564     // 1. The URL navigator gets changed and will trigger the view to update its URL
 565     // 2. The URL of the view gets changed and will trigger the URL navigator to update
 566     //    its URL (e.g. by clicking on an item)
 567     // In this scope the view-state may only get saved in case 2:
 568     if (url != m_urlNavigator->locationUrl()) {
 569         saveViewState();
 570     }
 571 }
 572
 573 void DolphinViewContainer::slotUrlNavigatorLocationAboutToBeChanged(const KUrl& url)
 574 {
 575     // URL changes of the view can happen in two ways:
 576     // 1. The URL navigator gets changed and will trigger the view to update its URL
 577     // 2. The URL of the view gets changed and will trigger the URL navigator to update
 578     //    its URL (e.g. by clicking on an item)
 579     // In this scope the view-state may only get saved in case 1:
 580     if (url != m_view->url()) {
 581         saveViewState();
 582     }
 583 }
 584
 585 void DolphinViewContainer::slotUrlNavigatorLocationChanged(const KUrl& url)
 586 {
 587     slotReturnPressed();
 588
 589     if (KProtocolManager::supportsListing(url)) {
 590         setSearchModeEnabled(isSearchUrl(url));
 591         m_view->setUrl(url);
 592
 593         if (m_autoGrabFocus && isActive() && !isSearchUrl(url)) {
 594             // When an URL has been entered, the view should get the focus.
 595             // The focus must be requested asynchronously, as changing the URL might create
 596             // a new view widget.
 597             QTimer::singleShot(0, this, SLOT(requestFocus()));
 598         }
 599     } else if (KProtocolManager::isSourceProtocol(url)) {
 600         QString app = "konqueror";
 601         if (url.protocol().startsWith(QLatin1String("http"))) {
 602             showMessage(i18nc("@info:status", // krazy:exclude=qmethods
 603                               "Dolphin does not support web pages, the web browser has been launched"),
 604                         Information);
 605
 606             const KConfigGroup config(KSharedConfig::openConfig("kdeglobals"), "General");
 607             const QString browser = config.readEntry("BrowserApplication");
 608             if (!browser.isEmpty()) {
 609                 app = browser;
 610                 if (app.startsWith('!')) {
 611                     // a literal command has been configured, remove the '!' prefix
 612                     app = app.mid(1);
 613                 }
 614             }
 615         } else {
 616             showMessage(i18nc("@info:status",
 617                               "Protocol not supported by Dolphin, Konqueror has been launched"),
 618                         Information);
 619         }
 620
 621         const QString secureUrl = KShell::quoteArg(url.pathOrUrl());
 622         const QString command = app + ' ' + secureUrl;
 623         KRun::runCommand(command, app, app, this);
 624     } else {
 625         showMessage(i18nc("@info:status", "Invalid protocol"), Error);
 626     }
 627 }
 628
 629 void DolphinViewContainer::dropUrls(const KUrl& destination, QDropEvent* event)
 630 {
 631     QString error;
 632     DragAndDropHelper::dropUrls(KFileItem(), destination, event, error);
 633     if (!error.isEmpty()) {
 634         showMessage(error, Error);
 635     }
 636 }
 637
 638 void DolphinViewContainer::redirect(const KUrl& oldUrl, const KUrl& newUrl)
 639 {
 640     Q_UNUSED(oldUrl);
 641     const bool block = m_urlNavigator->signalsBlocked();
 642     m_urlNavigator->blockSignals(true);
 643
 644     // Assure that the location state is reset for redirection URLs. This
 645     // allows to skip redirection URLs when going back or forward in the
 646     // URL history.
 647     m_urlNavigator->saveLocationState(QByteArray());
 648     m_urlNavigator->setLocationUrl(newUrl);
 649     setSearchModeEnabled(isSearchUrl(newUrl));
 650
 651     m_urlNavigator->blockSignals(block);
 652 }
 653
 654 void DolphinViewContainer::requestFocus()
 655 {
 656     m_view->setFocus();
 657 }
 658
 659 void DolphinViewContainer::saveUrlCompletionMode(KGlobalSettings::Completion completion)
 660 {
 661     GeneralSettings::setUrlCompletionMode(completion);
 662 }
 663
 664 void DolphinViewContainer::slotHistoryChanged()
 665 {
 666     QByteArray locationState = m_urlNavigator->locationState();
 667     if (!locationState.isEmpty()) {
 668         QDataStream stream(&locationState, QIODevice::ReadOnly);
 669         m_view->restoreState(stream);
 670     }
 671 }
 672
 673 void DolphinViewContainer::slotReturnPressed()
 674 {
 675     if (!GeneralSettings::editableUrl()) {
 676         m_urlNavigator->setUrlEditable(false);
 677     }
 678 }
 679
 680 void DolphinViewContainer::startSearching()
 681 {
 682     const KUrl url = m_searchBox->urlForSearching();
 683     if (url.isValid() && !url.isEmpty()) {
 684         m_view->setViewPropertiesContext("search");
 685         m_urlNavigator->setLocationUrl(url);
 686     }
 687 }
 688
 689 void DolphinViewContainer::closeSearchBox()
 690 {
 691     setSearchModeEnabled(false);
 692 }
 693
 694 void DolphinViewContainer::stopDirectoryLoading()
 695 {
 696     m_view->stopLoading();
 697     m_statusBar->setProgress(100);
 698 }
 699
 700 void DolphinViewContainer::slotStatusBarZoomLevelChanged(int zoomLevel)
 701 {
 702     m_view->setZoomLevel(zoomLevel);
 703 }
 704
 705 void DolphinViewContainer::showErrorMessage(const QString& msg)
 706 {
 707     showMessage(msg, Error);
 708 }
 709
 710 bool DolphinViewContainer::isSearchUrl(const KUrl& url) const
 711 {
 712     const QString protocol = url.protocol();
 713     return protocol.contains("search") || (protocol == QLatin1String("nepomuk"));
 714 }
 715
 716 void DolphinViewContainer::saveViewState()
 717 {
 718     QByteArray locationState;
 719     QDataStream stream(&locationState, QIODevice::WriteOnly);
 720     m_view->saveState(stream);
 721     m_urlNavigator->saveLocationState(locationState);
 722 }
 723
 724 #include "dolphinviewcontainer.moc"