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