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->setMargin(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             // Close the view which is active.
  92             DolphinViewContainer* view = activeViewContainer();
  93             if (m_primaryViewActive) {
  94                 // If the primary view is active, we have to swap the pointers
  95                 // because the secondary view will be the new primary view.
  96                 qSwap(m_primaryViewContainer, m_secondaryViewContainer);
  97             }
  98             m_primaryViewContainer->setActive(true);
  99             view->close();
 100             view->deleteLater();
 101         }
 102     }
 103 }
 104
 105 DolphinViewContainer* DolphinTabPage::primaryViewContainer() const
 106 {
 107     return m_primaryViewContainer;
 108 }
 109
 110 DolphinViewContainer* DolphinTabPage::secondaryViewContainer() const
 111 {
 112     return m_secondaryViewContainer;
 113 }
 114
 115 DolphinViewContainer* DolphinTabPage::activeViewContainer() const
 116 {
 117     return m_primaryViewActive ? m_primaryViewContainer :
 118                                  m_secondaryViewContainer;
 119 }
 120
 121 KFileItemList DolphinTabPage::selectedItems() const
 122 {
 123     KFileItemList items = m_primaryViewContainer->view()->selectedItems();
 124     if (m_splitViewEnabled) {
 125         items += m_secondaryViewContainer->view()->selectedItems();
 126     }
 127     return items;
 128 }
 129
 130 int DolphinTabPage::selectedItemsCount() const
 131 {
 132     int selectedItemsCount = m_primaryViewContainer->view()->selectedItemsCount();
 133     if (m_splitViewEnabled) {
 134         selectedItemsCount += m_secondaryViewContainer->view()->selectedItemsCount();
 135     }
 136     return selectedItemsCount;
 137 }
 138
 139 void DolphinTabPage::markUrlsAsSelected(const QList<QUrl>& urls)
 140 {
 141     m_primaryViewContainer->view()->markUrlsAsSelected(urls);
 142     if (m_splitViewEnabled) {
 143         m_secondaryViewContainer->view()->markUrlsAsSelected(urls);
 144     }
 145 }
 146
 147 void DolphinTabPage::markUrlAsCurrent(const QUrl& url)
 148 {
 149     m_primaryViewContainer->view()->markUrlAsCurrent(url);
 150     if (m_splitViewEnabled) {
 151         m_secondaryViewContainer->view()->markUrlAsCurrent(url);
 152     }
 153 }
 154
 155 void DolphinTabPage::setPlacesSelectorVisible(bool visible)
 156 {
 157     m_primaryViewContainer->urlNavigator()->setPlacesSelectorVisible(visible);
 158     if (m_splitViewEnabled) {
 159         m_secondaryViewContainer->urlNavigator()->setPlacesSelectorVisible(visible);
 160     }
 161 }
 162
 163 void DolphinTabPage::refreshViews()
 164 {
 165     m_primaryViewContainer->readSettings();
 166     if (m_splitViewEnabled) {
 167         m_secondaryViewContainer->readSettings();
 168     }
 169 }
 170
 171 QByteArray DolphinTabPage::saveState() const
 172 {
 173     QByteArray state;
 174     QDataStream stream(&state, QIODevice::WriteOnly);
 175
 176     stream << quint32(2); // Tab state version
 177
 178     stream << m_splitViewEnabled;
 179
 180     stream << m_primaryViewContainer->url();
 181     stream << m_primaryViewContainer->urlNavigator()->isUrlEditable();
 182     m_primaryViewContainer->view()->saveState(stream);
 183
 184     if (m_splitViewEnabled) {
 185         stream << m_secondaryViewContainer->url();
 186         stream << m_secondaryViewContainer->urlNavigator()->isUrlEditable();
 187         m_secondaryViewContainer->view()->saveState(stream);
 188     }
 189
 190     stream << m_primaryViewActive;
 191     stream << m_splitter->saveState();
 192
 193     return state;
 194 }
 195
 196 void DolphinTabPage::restoreState(const QByteArray& state)
 197 {
 198     if (state.isEmpty()) {
 199         return;
 200     }
 201
 202     QByteArray sd = state;
 203     QDataStream stream(&sd, QIODevice::ReadOnly);
 204
 205     // Read the version number of the tab state and check if the version is supported.
 206     quint32 version = 0;
 207     stream >> version;
 208     if (version != 2) {
 209         // The version of the tab state isn't supported, we can't restore it.
 210         return;
 211     }
 212
 213     bool isSplitViewEnabled = false;
 214     stream >> isSplitViewEnabled;
 215     setSplitViewEnabled(isSplitViewEnabled);
 216
 217     QUrl primaryUrl;
 218     stream >> primaryUrl;
 219     m_primaryViewContainer->setUrl(primaryUrl);
 220     bool primaryUrlEditable;
 221     stream >> primaryUrlEditable;
 222     m_primaryViewContainer->urlNavigator()->setUrlEditable(primaryUrlEditable);
 223     m_primaryViewContainer->view()->restoreState(stream);
 224
 225     if (isSplitViewEnabled) {
 226         QUrl secondaryUrl;
 227         stream >> secondaryUrl;
 228         m_secondaryViewContainer->setUrl(secondaryUrl);
 229         bool secondaryUrlEditable;
 230         stream >> secondaryUrlEditable;
 231         m_secondaryViewContainer->urlNavigator()->setUrlEditable(secondaryUrlEditable);
 232         m_secondaryViewContainer->view()->restoreState(stream);
 233     }
 234
 235     stream >> m_primaryViewActive;
 236     if (m_primaryViewActive) {
 237         m_primaryViewContainer->setActive(true);
 238     } else {
 239         Q_ASSERT(m_splitViewEnabled);
 240         m_secondaryViewContainer->setActive(true);
 241     }
 242
 243     QByteArray splitterState;
 244     stream >> splitterState;
 245     m_splitter->restoreState(splitterState);
 246 }
 247
 248 void DolphinTabPage::restoreStateV1(const QByteArray& state)
 249 {
 250     if (state.isEmpty()) {
 251         return;
 252     }
 253
 254     QByteArray sd = state;
 255     QDataStream stream(&sd, QIODevice::ReadOnly);
 256
 257     bool isSplitViewEnabled = false;
 258     stream >> isSplitViewEnabled;
 259     setSplitViewEnabled(isSplitViewEnabled);
 260
 261     QUrl primaryUrl;
 262     stream >> primaryUrl;
 263     m_primaryViewContainer->setUrl(primaryUrl);
 264     bool primaryUrlEditable;
 265     stream >> primaryUrlEditable;
 266     m_primaryViewContainer->urlNavigator()->setUrlEditable(primaryUrlEditable);
 267
 268     if (isSplitViewEnabled) {
 269         QUrl secondaryUrl;
 270         stream >> secondaryUrl;
 271         m_secondaryViewContainer->setUrl(secondaryUrl);
 272         bool secondaryUrlEditable;
 273         stream >> secondaryUrlEditable;
 274         m_secondaryViewContainer->urlNavigator()->setUrlEditable(secondaryUrlEditable);
 275     }
 276
 277     stream >> m_primaryViewActive;
 278     if (m_primaryViewActive) {
 279         m_primaryViewContainer->setActive(true);
 280     } else {
 281         Q_ASSERT(m_splitViewEnabled);
 282         m_secondaryViewContainer->setActive(true);
 283     }
 284
 285     QByteArray splitterState;
 286     stream >> splitterState;
 287     m_splitter->restoreState(splitterState);
 288 }
 289
 290 void DolphinTabPage::setActive(bool active)
 291 {
 292     if (active) {
 293         m_active = active;
 294     } else {
 295         // we should bypass changing active view in split mode
 296         m_active = !m_splitViewEnabled;
 297     }
 298     // we want view to fire activated when goes from false to true
 299     activeViewContainer()->setActive(active);
 300 }
 301
 302 void DolphinTabPage::slotViewActivated()
 303 {
 304     const DolphinView* oldActiveView = activeViewContainer()->view();
 305
 306     // Set the view, which was active before, to inactive
 307     // and update the active view type, if tab is active
 308     if (m_active) {
 309         if (m_splitViewEnabled) {
 310             activeViewContainer()->setActive(false);
 311             m_primaryViewActive = !m_primaryViewActive;
 312         } else {
 313             m_primaryViewActive = true;
 314         }
 315     }
 316
 317     const DolphinView* newActiveView = activeViewContainer()->view();
 318
 319     if (newActiveView != oldActiveView) {
 320         disconnect(oldActiveView, &DolphinView::urlChanged,
 321                    this, &DolphinTabPage::activeViewUrlChanged);
 322         disconnect(oldActiveView, &DolphinView::redirection,
 323                    this, &DolphinTabPage::slotViewUrlRedirection);
 324         connect(newActiveView, &DolphinView::urlChanged,
 325                 this, &DolphinTabPage::activeViewUrlChanged);
 326         connect(newActiveView, &DolphinView::redirection,
 327                 this, &DolphinTabPage::slotViewUrlRedirection);
 328     }
 329
 330     emit activeViewUrlChanged(activeViewContainer()->url());
 331     emit activeViewChanged(activeViewContainer());
 332 }
 333
 334 void DolphinTabPage::slotViewUrlRedirection(const QUrl& oldUrl, const QUrl& newUrl)
 335 {
 336     Q_UNUSED(oldUrl);
 337
 338     emit activeViewUrlChanged(newUrl);
 339 }
 340
 341 void DolphinTabPage::switchActiveView()
 342 {
 343     if (!m_splitViewEnabled) {
 344         return;
 345     }
 346     if (m_primaryViewActive) {
 347        m_secondaryViewContainer->setActive(true);
 348     } else {
 349        m_primaryViewContainer->setActive(true);
 350     }
 351 }
 352
 353 DolphinViewContainer* DolphinTabPage::createViewContainer(const QUrl& url) const
 354 {
 355     DolphinViewContainer* container = new DolphinViewContainer(url, m_splitter);
 356     container->setActive(false);
 357
 358     const DolphinView* view = container->view();
 359     connect(view, &DolphinView::activated,
 360             this, &DolphinTabPage::slotViewActivated);
 361
 362     connect(view, &DolphinView::toggleActiveViewRequested,
 363             this, &DolphinTabPage::switchActiveView);
 364
 365     return container;
 366 }