vcs.maemo.org Git - situare/blob - src/ui/friendlistpanel.cpp

   1 /*
   2     Situare - A location system for Facebook
   3     Copyright (C) 2010  Ixonos Plc. Authors:
   4
   5         Kaj Wallin - kaj.wallin@ixonos.com
   6         Henri Lampela - henri.lampela@ixonos.com
   7         Pekka Nissinen - pekka.nissinen@ixonos.com
   8         Sami Rämö - sami.ramo@ixonos.com
   9
  10     Situare is free software; you can redistribute it and/or
  11     modify it under the terms of the GNU General Public License
  12     version 2 as published by the Free Software Foundation.
  13
  14     Situare is distributed in the hope that it will be useful,
  15     but WITHOUT ANY WARRANTY; without even the implied warranty of
  16     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17     GNU General Public License for more details.
  18
  19     You should have received a copy of the GNU General Public License
  20     along with Situare; if not, write to the Free Software
  21     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
  22     USA.
  23 */
  24
  25 #include <QApplication>
  26 #include <QHBoxLayout>
  27 #include <QLabel>
  28 #include <QLineEdit>
  29 #include <QPushButton>
  30
  31 #include "coordinates/geocoordinate.h"
  32 #include "friendlistitem.h"
  33 #include "friendlistitemdelegate.h"
  34 #include "friendlistview.h"
  35 #include "panelcommon.h"
  36 #include "user/user.h"
  37
  38 #include "friendlistpanel.h"
  39
  40 FriendListPanel::FriendListPanel(QWidget *parent)
  41     : QWidget(parent),
  42       m_mainWindowIsTopmost(false),
  43       m_somePanelIsOpen(false)
  44 {
  45     qDebug() << __PRETTY_FUNCTION__;
  46
  47     const int FRIENDPANEL_FILTER_MARGIN_LEFT = PANEL_MARGIN_LEFT + 4;
  48     const int FRIENDPANEL_FILTER_MARGIN_TOP = 0;
  49     const int FRIENDPANEL_FILTER_MARGIN_RIGHT = PANEL_MARGIN_RIGHT + MAEMO5_SCROLLBAR_WIDTH + 4;
  50     const int FRIENDPANEL_FILTER_MARGIN_BOTTOM = 0;
  51
  52     QVBoxLayout *friendListPanelLayout = new QVBoxLayout();
  53     friendListPanelLayout->setMargin(0);
  54     friendListPanelLayout->setSpacing(0);
  55     setLayout(friendListPanelLayout);
  56
  57     QHBoxLayout *filterLayout = new QHBoxLayout();
  58     filterLayout->setContentsMargins(FRIENDPANEL_FILTER_MARGIN_LEFT, FRIENDPANEL_FILTER_MARGIN_TOP,
  59                                      FRIENDPANEL_FILTER_MARGIN_RIGHT, FRIENDPANEL_FILTER_MARGIN_BOTTOM);
  60
  61     m_friendListHeaderWidget = new QWidget();
  62     m_friendListHeaderWidget->setLayout(filterLayout);
  63     m_friendListHeaderWidget->setAutoFillBackground(true);
  64
  65     m_routeButton = new QPushButton(tr("Route to friend"));
  66     m_routeButton->setDisabled(true);
  67
  68     QPalette labelPalette = m_friendListHeaderWidget->palette();
  69     labelPalette.setColor(QPalette::Background, Qt::black);
  70
  71     m_friendListHeaderWidget->setPalette(labelPalette);
  72     m_friendListHeaderWidget->hide();
  73     m_friendListLabel = new QLabel(this);
  74     m_clearFilterButton = new QPushButton(tr("Show all"));
  75
  76     filterLayout->addWidget(m_friendListLabel);
  77     filterLayout->addWidget(m_clearFilterButton);
  78
  79     m_friendListView = new FriendListView(this);
  80     m_friendListView->setItemDelegate(new FriendListItemDelegate(this));
  81
  82     QVBoxLayout *listViewLayout = new QVBoxLayout;
  83     listViewLayout->setContentsMargins(PANEL_MARGIN_LEFT, PANEL_MARGIN_TOP,
  84                                        PANEL_MARGIN_RIGHT, PANEL_MARGIN_BOTTOM);
  85     listViewLayout->addWidget(m_friendListView);
  86
  87     friendListPanelLayout->addWidget(m_routeButton);
  88     friendListPanelLayout->addWidget(m_friendListHeaderWidget);
  89     friendListPanelLayout->addLayout(listViewLayout);
  90
  91     connect(m_friendListView, SIGNAL(friendItemClicked(GeoCoordinate)),
  92             this, SIGNAL(findFriend(GeoCoordinate)));
  93
  94     connect(m_clearFilterButton, SIGNAL(clicked()),
  95             this, SLOT(clearFiltering()));
  96
  97     connect(m_routeButton, SIGNAL(clicked()),
  98             this, SLOT(routeToSelectedFriend()));
  99
 100     connect(m_friendListView, SIGNAL(clicked(QModelIndex)),
 101             this, SLOT(setRouteButtonDisabled()));
 102
 103     /// @todo remove old filterLayout when new panel are merged
 104
 105     //////////////////////////////////////////////////////////////////////////
 106     // NOTE! Do not mix the new filtering layout below with the old one above
 107     //////////////////////////////////////////////////////////////////////////
 108
 109     // filtering layout
 110     QHBoxLayout *filteringLayout = new QHBoxLayout();
 111     friendListPanelLayout->addLayout(filteringLayout);
 112
 113     // line edit for filtering
 114     m_filterField = new QLineEdit;
 115     filteringLayout->addWidget(m_filterField);
 116
 117     connect(m_filterField, SIGNAL(returnPressed()),
 118             this, SLOT(clearTextFiltering()));
 119
 120     connect(m_filterField, SIGNAL(textChanged(QString)),
 121             this, SLOT(filterTextChanged(QString)));
 122
 123     // button for clearing the filtering
 124     m_filterClearButton = new QPushButton();
 125     filteringLayout->addWidget(m_filterClearButton);
 126     m_filterClearButton->setIcon(QIcon::fromTheme(QLatin1String("general_close")));
 127
 128     connect(m_filterClearButton, SIGNAL(clicked()),
 129             this, SLOT(clearTextFiltering()));
 130
 131     connect(qApp, SIGNAL(topmostWindowChanged(bool)),
 132             this, SLOT(topmostWindowChanged(bool)));
 133 }
 134
 135 void FriendListPanel::anyPanelClosed()
 136 {
 137     qDebug() << __PRETTY_FUNCTION__;
 138
 139     m_somePanelIsOpen = false;
 140     updateKeyboardGrabbing();
 141
 142     clearFiltering();
 143 }
 144
 145 void FriendListPanel::anyPanelOpened()
 146 {
 147     qDebug() << __PRETTY_FUNCTION__;
 148
 149     m_somePanelIsOpen = true;
 150     updateKeyboardGrabbing();
 151 }
 152
 153 void FriendListPanel::clearFiltering()
 154 {
 155     qDebug() << __PRETTY_FUNCTION__;
 156
 157     m_friendListHeaderWidget->hide();
 158     m_friendListView->clearFilter();
 159     clearTextFiltering();
 160 }
 161
 162 void FriendListPanel::clearTextFiltering()
 163 {
 164     qDebug() << __PRETTY_FUNCTION__;
 165
 166     // clearing the filtering text field does cause also hiding the filtering layout
 167     m_filterField->clear();
 168 }
 169
 170 void FriendListPanel::filterTextChanged(const QString &text)
 171 {
 172     qDebug() << __PRETTY_FUNCTION__;
 173
 174     if (m_filterField->isHidden() && !text.isEmpty())
 175         setFilteringLayoutVisibility(true);
 176     else if (m_filterField->isVisible() && text.isEmpty())
 177         setFilteringLayoutVisibility(false);
 178
 179     m_friendListView->filter(text);
 180 }
 181
 182 void FriendListPanel::friendImageReady(User *user)
 183 {
 184     qDebug() << __PRETTY_FUNCTION__;
 185
 186     FriendListItem *item = static_cast<FriendListItem*>(m_friendListView->listItem(user->userId()));
 187
 188     if (item)
 189         item->setAvatarImage(user->profileImage());
 190 }
 191
 192 void FriendListPanel::friendInfoReceived(QList<User *> &friendList)
 193 {
 194     qDebug() << __PRETTY_FUNCTION__;
 195
 196     QStringList newUserIDs;
 197
 198     foreach (User *user, friendList) {
 199         FriendListItem *item = 0;
 200         if (!m_friendListView->contains(user->userId())) {
 201             item = new FriendListItem();
 202             item->setUserData(user);
 203             m_friendListView->addListItem(user->userId(), item);
 204         } else {
 205             item = static_cast<FriendListItem *>(m_friendListView->takeListItemFromView(
 206                     user->userId()));
 207
 208             if (item) {
 209                 item->setUserData(user);
 210                 m_friendListView->addListItemToView(item);
 211             }
 212         }
 213
 214         newUserIDs.append(user->userId());
 215     }
 216
 217     m_friendListView->clearUnused(newUserIDs);
 218 }
 219
 220 void FriendListPanel::hideEvent(QHideEvent *event)
 221 {
 222     qDebug() << __PRETTY_FUNCTION__;
 223
 224     QWidget::hideEvent(event);
 225     updateKeyboardGrabbing();
 226     clearFiltering();
 227
 228     m_friendListView->clearSelection();
 229 }
 230
 231 void FriendListPanel::routeToSelectedFriend()
 232 {
 233     qDebug() << __PRETTY_FUNCTION__;
 234
 235     FriendListItem *item = dynamic_cast<FriendListItem *>(m_friendListView->selectedItem());
 236
 237     if (item)
 238         emit routeToFriend(item->coordinates());
 239 }
 240
 241 void FriendListPanel::setFilteringLayoutVisibility(bool visible)
 242 {
 243     qDebug() << __PRETTY_FUNCTION__;
 244
 245     m_filterField->setVisible(visible);
 246     m_filterClearButton->setVisible(visible);
 247 }
 248
 249 void FriendListPanel::updateKeyboardGrabbing()
 250 {
 251     qDebug() << __PRETTY_FUNCTION__;
 252
 253     if (!m_mainWindowIsTopmost || !m_somePanelIsOpen || !isVisible()) {
 254         if (QWidget::keyboardGrabber() == m_filterField)
 255             m_filterField->releaseKeyboard();
 256     } else if (m_mainWindowIsTopmost && m_somePanelIsOpen && isVisible()) {
 257         if (QWidget::keyboardGrabber() != m_filterField)
 258             m_filterField->grabKeyboard();
 259     }
 260 }
 261
 262 void FriendListPanel::setRouteButtonDisabled()
 263 {
 264     qDebug() << __PRETTY_FUNCTION__;
 265
 266     m_routeButton->setDisabled(m_friendListView->selectedItems().isEmpty());
 267 }
 268
 269 void FriendListPanel::showEvent(QShowEvent *event)
 270 {
 271     qDebug() << __PRETTY_FUNCTION__;
 272
 273     QWidget::showEvent(event);
 274     updateKeyboardGrabbing();
 275     setFilteringLayoutVisibility(false);
 276 }
 277
 278 void FriendListPanel::showFriendsInList(const QList<QString> &userIDs)
 279 {
 280     qDebug() << __PRETTY_FUNCTION__;
 281
 282     m_friendListLabel->setText(tr("Selected: %1").arg(userIDs.count()));
 283
 284     m_friendListHeaderWidget->show();
 285     m_friendListView->filter(userIDs);
 286
 287     clearTextFiltering();
 288
 289     emit showPanelRequested(this);
 290 }
 291
 292 void FriendListPanel::topmostWindowChanged(bool mainWindowIsTopmost)
 293 {
 294     qDebug() << __PRETTY_FUNCTION__ << mainWindowIsTopmost;
 295
 296     m_mainWindowIsTopmost = mainWindowIsTopmost;
 297     updateKeyboardGrabbing();
 298 }