src/dolphintabpage.cpp

   1 /***************************************************************************
   2  * Copyright (C) 2014 by Emmanuel Pescosta <emmanuelpescosta099@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 "dolphintabpage.h"
  21
  22 #include "dolphin_generalsettings.h"
  23 #include "dolphinviewcontainer.h"
  24
  25 #include <QSplitter>
  26 #include <QVBoxLayout>
  27
  28 DolphinTabPage::DolphinTabPage(const QUrl &primaryUrl, const QUrl &secondaryUrl, QWidget* parent) :
  29     QWidget(parent),
  30     m_primaryViewActive(true),
  31     m_splitViewEnabled(false),
  32     m_active(true)
  33 {
  34     QVBoxLayout* layout = new QVBoxLayout(this);
  35     layout->setSpacing(0);
  36     layout->setContentsMargins(0, 0, 0, 0);
  37
  38     m_splitter = new QSplitter(Qt::Horizontal, this);
  39     m_splitter->setChildrenCollapsible(false);
  40     layout->addWidget(m_splitter);
  41
  42     // Create a new primary view
  43     m_primaryViewContainer = createViewContainer(primaryUrl);
  44     connect(m_primaryViewContainer->view(), &DolphinView::urlChanged,
  45             this, &DolphinTabPage::activeViewUrlChanged);
  46     connect(m_primaryViewContainer->view(), &DolphinView::redirection,
  47             this, &DolphinTabPage::slotViewUrlRedirection);
  48
  49     m_splitter->addWidget(m_primaryViewContainer);
  50     m_primaryViewContainer->show();
  51
  52     if (secondaryUrl.isValid() || GeneralSettings::splitView()) {
  53         // Provide a secondary view, if the given secondary url is valid or if the
  54         // startup settings are set this way (use the url of the primary view).
  55         m_splitViewEnabled = true;
  56         const QUrl& url = secondaryUrl.isValid() ? secondaryUrl : primaryUrl;
  57         m_secondaryViewContainer = createViewContainer(url);
  58         m_splitter->addWidget(m_secondaryViewContainer);
  59         m_secondaryViewContainer->show();
  60     }
  61
  62     m_primaryViewContainer->setActive(true);
  63 }
  64
  65 bool DolphinTabPage::primaryViewActive() const
  66 {
  67     return m_primaryViewActive;
  68 }
  69
  70 bool DolphinTabPage::splitViewEnabled() const
  71 {
  72     return m_splitViewEnabled;
  73 }
  74
  75 void DolphinTabPage::setSplitViewEnabled(bool enabled, const QUrl &secondaryUrl)
  76 {
  77     if (m_splitViewEnabled != enabled) {
  78         m_splitViewEnabled = enabled;
  79
  80         if (enabled) {
  81             const QUrl& url = (secondaryUrl.isEmpty()) ? m_primaryViewContainer->url() : secondaryUrl;
  82             m_secondaryViewContainer = createViewContainer(url);
  83
  84             const bool placesSelectorVisible = m_primaryViewContainer->urlNavigator()->isPlacesSelectorVisible();
  85             m_secondaryViewContainer->urlNavigator()->setPlacesSelectorVisible(placesSelectorVisible);
  86
  87             m_splitter->addWidget(m_secondaryViewContainer);
  88             m_secondaryViewContainer->show();
  89             m_secondaryViewContainer->setActive(true);
  90         } else {
  91             DolphinViewContainer* view;
  92             if (GeneralSettings::closeActiveSplitView()) {
  93                 view = activeViewContainer();
  94                 if (m_primaryViewActive) {
  95                     // If the primary view is active, we have to swap the pointers
  96                     // because the secondary view will be the new primary view.
  97                     qSwap(m_primaryViewContainer, m_secondaryViewContainer);
  98                     m_primaryViewActive = false;
  99                 }
 100             } else {
 101                 view = m_primaryViewActive ? m_secondaryViewContainer : m_primaryViewContainer;
 102                 if (!m_primaryViewActive) {
 103                     // If the secondary view is active, we have to swap the pointers
 104                     // because the secondary view will be the new primary view.
 105                     qSwap(m_primaryViewContainer, m_secondaryViewContainer);
 106                     m_primaryViewActive = true;
 107                 }
 108             }
 109             m_primaryViewContainer->setActive(true);
 110             view->close();
 111             view->deleteLater();
 112         }
 113     }
 114 }
 115
 116 DolphinViewContainer* DolphinTabPage::primaryViewContainer() const
 117 {
 118     return m_primaryViewContainer;
 119 }
 120
 121 DolphinViewContainer* DolphinTabPage::secondaryViewContainer() const
 122 {
 123     return m_secondaryViewContainer;
 124 }
 125
 126 DolphinViewContainer* DolphinTabPage::activeViewContainer() const
 127 {
 128     return m_primaryViewActive ? m_primaryViewContainer :
 129                                  m_secondaryViewContainer;
 130 }
 131
 132 KFileItemList DolphinTabPage::selectedItems() const
 133 {
 134     KFileItemList items = m_primaryViewContainer->view()->selectedItems();
 135     if (m_splitViewEnabled) {
 136         items += m_secondaryViewContainer->view()->selectedItems();
 137     }
 138     return items;
 139 }
 140
 141 int DolphinTabPage::selectedItemsCount() const
 142 {
 143     int selectedItemsCount = m_primaryViewContainer->view()->selectedItemsCount();
 144     if (m_splitViewEnabled) {
 145         selectedItemsCount += m_secondaryViewContainer->view()->selectedItemsCount();
 146     }
 147     return selectedItemsCount;
 148 }
 149
 150 void DolphinTabPage::markUrlsAsSelected(const QList<QUrl>& urls)
 151 {
 152     m_primaryViewContainer->view()->markUrlsAsSelected(urls);
 153     if (m_splitViewEnabled) {
 154         m_secondaryViewContainer->view()->markUrlsAsSelected(urls);
 155     }
 156 }
 157
 158 void DolphinTabPage::markUrlAsCurrent(const QUrl& url)
 159 {
 160     m_primaryViewContainer->view()->markUrlAsCurrent(url);
 161     if (m_splitViewEnabled) {
 162         m_secondaryViewContainer->view()->markUrlAsCurrent(url);
 163     }
 164 }
 165
 166 void DolphinTabPage::setPlacesSelectorVisible(bool visible)
 167 {
 168     m_primaryViewContainer->urlNavigator()->setPlacesSelectorVisible(visible);
 169     if (m_splitViewEnabled) {
 170         m_secondaryViewContainer->urlNavigator()->setPlacesSelectorVisible(visible);
 171     }
 172 }
 173
 174 void DolphinTabPage::refreshViews()
 175 {
 176     m_primaryViewContainer->readSettings();
 177     if (m_splitViewEnabled) {
 178         m_secondaryViewContainer->readSettings();
 179     }
 180 }
 181
 182 QByteArray DolphinTabPage::saveState() const
 183 {
 184     QByteArray state;
 185     QDataStream stream(&state, QIODevice::WriteOnly);
 186
 187     stream << quint32(2); // Tab state version
 188
 189     stream << m_splitViewEnabled;
 190
 191     stream << m_primaryViewContainer->url();
 192     stream << m_primaryViewContainer->urlNavigator()->isUrlEditable();
 193     m_primaryViewContainer->view()->saveState(stream);
 194
 195     if (m_splitViewEnabled) {
 196         stream << m_secondaryViewContainer->url();
 197         stream << m_secondaryViewContainer->urlNavigator()->isUrlEditable();
 198         m_secondaryViewContainer->view()->saveState(stream);
 199     }
 200
 201     stream << m_primaryViewActive;
 202     stream << m_splitter->saveState();
 203
 204     return state;
 205 }
 206
 207 void DolphinTabPage::restoreState(const QByteArray& state)
 208 {
 209     if (state.isEmpty()) {
 210         return;
 211     }
 212
 213     QByteArray sd = state;
 214     QDataStream stream(&sd, QIODevice::ReadOnly);
 215
 216     // Read the version number of the tab state and check if the version is supported.
 217     quint32 version = 0;
 218     stream >> version;
 219     if (version != 2) {
 220         // The version of the tab state isn't supported, we can't restore it.
 221         return;
 222     }
 223
 224     bool isSplitViewEnabled = false;
 225     stream >> isSplitViewEnabled;
 226     setSplitViewEnabled(isSplitViewEnabled);
 227
 228     QUrl primaryUrl;
 229     stream >> primaryUrl;
 230     m_primaryViewContainer->setUrl(primaryUrl);
 231     bool primaryUrlEditable;
 232     stream >> primaryUrlEditable;
 233     m_primaryViewContainer->urlNavigator()->setUrlEditable(primaryUrlEditable);
 234     m_primaryViewContainer->view()->restoreState(stream);
 235
 236     if (isSplitViewEnabled) {
 237         QUrl secondaryUrl;
 238         stream >> secondaryUrl;
 239         m_secondaryViewContainer->setUrl(secondaryUrl);
 240         bool secondaryUrlEditable;
 241         stream >> secondaryUrlEditable;
 242         m_secondaryViewContainer->urlNavigator()->setUrlEditable(secondaryUrlEditable);
 243         m_secondaryViewContainer->view()->restoreState(stream);
 244     }
 245
 246     stream >> m_primaryViewActive;
 247     if (m_primaryViewActive) {
 248         m_primaryViewContainer->setActive(true);
 249     } else {
 250         Q_ASSERT(m_splitViewEnabled);
 251         m_secondaryViewContainer->setActive(true);
 252     }
 253
 254     QByteArray splitterState;
 255     stream >> splitterState;
 256     m_splitter->restoreState(splitterState);
 257 }
 258
 259 void DolphinTabPage::restoreStateV1(const QByteArray& state)
 260 {
 261     if (state.isEmpty()) {
 262         return;
 263     }
 264
 265     QByteArray sd = state;
 266     QDataStream stream(&sd, QIODevice::ReadOnly);
 267
 268     bool isSplitViewEnabled = false;
 269     stream >> isSplitViewEnabled;
 270     setSplitViewEnabled(isSplitViewEnabled);
 271
 272     QUrl primaryUrl;
 273     stream >> primaryUrl;
 274     m_primaryViewContainer->setUrl(primaryUrl);
 275     bool primaryUrlEditable;
 276     stream >> primaryUrlEditable;
 277     m_primaryViewContainer->urlNavigator()->setUrlEditable(primaryUrlEditable);
 278
 279     if (isSplitViewEnabled) {
 280         QUrl secondaryUrl;
 281         stream >> secondaryUrl;
 282         m_secondaryViewContainer->setUrl(secondaryUrl);
 283         bool secondaryUrlEditable;
 284         stream >> secondaryUrlEditable;
 285         m_secondaryViewContainer->urlNavigator()->setUrlEditable(secondaryUrlEditable);
 286     }
 287
 288     stream >> m_primaryViewActive;
 289     if (m_primaryViewActive) {
 290         m_primaryViewContainer->setActive(true);
 291     } else {
 292         Q_ASSERT(m_splitViewEnabled);
 293         m_secondaryViewContainer->setActive(true);
 294     }
 295
 296     QByteArray splitterState;
 297     stream >> splitterState;
 298     m_splitter->restoreState(splitterState);
 299 }
 300
 301 void DolphinTabPage::setActive(bool active)
 302 {
 303     if (active) {
 304         m_active = active;
 305     } else {
 306         // we should bypass changing active view in split mode
 307         m_active = !m_splitViewEnabled;
 308     }
 309     // we want view to fire activated when goes from false to true
 310     activeViewContainer()->setActive(active);
 311 }
 312
 313 void DolphinTabPage::slotViewActivated()
 314 {
 315     const DolphinView* oldActiveView = activeViewContainer()->view();
 316
 317     // Set the view, which was active before, to inactive
 318     // and update the active view type, if tab is active
 319     if (m_active) {
 320         if (m_splitViewEnabled) {
 321             activeViewContainer()->setActive(false);
 322             m_primaryViewActive = !m_primaryViewActive;
 323         } else {
 324             m_primaryViewActive = true;
 325             if (m_secondaryViewContainer) {
 326                 m_secondaryViewContainer->setActive(false);
 327             }
 328         }
 329     }
 330
 331     const DolphinView* newActiveView = activeViewContainer()->view();
 332
 333     if (newActiveView == oldActiveView) {
 334         return;
 335     }
 336
 337     disconnect(oldActiveView, &DolphinView::urlChanged,
 338                this, &DolphinTabPage::activeViewUrlChanged);
 339     disconnect(oldActiveView, &DolphinView::redirection,
 340                this, &DolphinTabPage::slotViewUrlRedirection);
 341     connect(newActiveView, &DolphinView::urlChanged,
 342             this, &DolphinTabPage::activeViewUrlChanged);
 343     connect(newActiveView, &DolphinView::redirection,
 344             this, &DolphinTabPage::slotViewUrlRedirection);
 345     emit activeViewChanged(activeViewContainer());
 346     emit activeViewUrlChanged(activeViewContainer()->url());
 347 }
 348
 349 void DolphinTabPage::slotViewUrlRedirection(const QUrl& oldUrl, const QUrl& newUrl)
 350 {
 351     Q_UNUSED(oldUrl)
 352
 353     emit activeViewUrlChanged(newUrl);
 354 }
 355
 356 void DolphinTabPage::switchActiveView()
 357 {
 358     if (!m_splitViewEnabled) {
 359         return;
 360     }
 361     if (m_primaryViewActive) {
 362        m_secondaryViewContainer->setActive(true);
 363     } else {
 364        m_primaryViewContainer->setActive(true);
 365     }
 366 }
 367
 368 DolphinViewContainer* DolphinTabPage::createViewContainer(const QUrl& url) const
 369 {
 370     DolphinViewContainer* container = new DolphinViewContainer(url, m_splitter);
 371     container->setActive(false);
 372
 373     const DolphinView* view = container->view();
 374     connect(view, &DolphinView::activated,
 375             this, &DolphinTabPage::slotViewActivated);
 376
 377     connect(view, &DolphinView::toggleActiveViewRequested,
 378             this, &DolphinTabPage::switchActiveView);
 379
 380     return container;
 381 }