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(listItemSelectionChanged()),
 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     m_friendListView->clearItemSelection();
 145     setRouteButtonDisabled();
 146 }
 147
 148 void FriendListPanel::anyPanelOpened()
 149 {
 150     qDebug() << __PRETTY_FUNCTION__;
 151
 152     m_somePanelIsOpen = true;
 153     updateKeyboardGrabbing();
 154 }
 155
 156 void FriendListPanel::clearFiltering()
 157 {
 158     qDebug() << __PRETTY_FUNCTION__;
 159
 160     m_friendListHeaderWidget->hide();
 161     m_friendListView->clearFilter();
 162     clearTextFiltering();
 163 }
 164
 165 void FriendListPanel::clearTextFiltering()
 166 {
 167     qDebug() << __PRETTY_FUNCTION__;
 168
 169     // clearing the filtering text field does cause also hiding the filtering layout
 170     m_filterField->clear();
 171 }
 172
 173 void FriendListPanel::filterTextChanged(const QString &text)
 174 {
 175     qDebug() << __PRETTY_FUNCTION__;
 176
 177     if (m_filterField->isHidden() && !text.isEmpty())
 178         setFilteringLayoutVisibility(true);
 179     else if (m_filterField->isVisible() && text.isEmpty())
 180         setFilteringLayoutVisibility(false);
 181
 182     m_friendListView->filter(text);
 183 }
 184
 185 void FriendListPanel::friendImageReady(User *user)
 186 {
 187     qDebug() << __PRETTY_FUNCTION__;
 188
 189     FriendListItem *item = static_cast<FriendListItem*>(m_friendListView->listItem(user->userId()));
 190
 191     if (item)
 192         item->setAvatarImage(user->profileImage());
 193 }
 194
 195 void FriendListPanel::friendInfoReceived(QList<User *> &friendList)
 196 {
 197     qDebug() << __PRETTY_FUNCTION__;
 198
 199     QStringList newUserIDs;
 200
 201     foreach (User *user, friendList) {
 202         FriendListItem *item = 0;
 203         if (!m_friendListView->contains(user->userId())) {
 204             item = new FriendListItem();
 205             item->setUserData(user);
 206             m_friendListView->addListItem(user->userId(), item);
 207         } else {
 208             item = static_cast<FriendListItem *>(m_friendListView->takeListItemFromView(
 209                     user->userId()));
 210
 211             if (item) {
 212                 item->setUserData(user);
 213                 m_friendListView->addListItemToView(item);
 214             }
 215         }
 216
 217         newUserIDs.append(user->userId());
 218     }
 219
 220     m_friendListView->clearUnused(newUserIDs);
 221 }
 222
 223 void FriendListPanel::hideEvent(QHideEvent *event)
 224 {
 225     qDebug() << __PRETTY_FUNCTION__;
 226
 227     QWidget::hideEvent(event);
 228     updateKeyboardGrabbing();
 229     clearFiltering();
 230
 231     m_friendListView->clearItemSelection();
 232     setRouteButtonDisabled();
 233 }
 234
 235 void FriendListPanel::routeToSelectedFriend()
 236 {
 237     qDebug() << __PRETTY_FUNCTION__;
 238
 239     FriendListItem *item = dynamic_cast<FriendListItem *>(m_friendListView->selectedItem());
 240
 241     if (item)
 242         emit routeToFriend(item->coordinates());
 243 }
 244
 245 void FriendListPanel::setFilteringLayoutVisibility(bool visible)
 246 {
 247     qDebug() << __PRETTY_FUNCTION__;
 248
 249     m_filterField->setVisible(visible);
 250     m_filterClearButton->setVisible(visible);
 251 }
 252
 253 void FriendListPanel::updateKeyboardGrabbing()
 254 {
 255     qDebug() << __PRETTY_FUNCTION__;
 256
 257     if (!m_mainWindowIsTopmost || !m_somePanelIsOpen || !isVisible()) {
 258         if (QWidget::keyboardGrabber() == m_filterField)
 259             m_filterField->releaseKeyboard();
 260     } else if (m_mainWindowIsTopmost && m_somePanelIsOpen && isVisible()) {
 261         if (QWidget::keyboardGrabber() != m_filterField)
 262             m_filterField->grabKeyboard();
 263     }
 264 }
 265
 266 void FriendListPanel::setRouteButtonDisabled()
 267 {
 268     qDebug() << __PRETTY_FUNCTION__;
 269
 270     m_routeButton->setDisabled(m_friendListView->selectedItems().isEmpty());
 271 }
 272
 273 void FriendListPanel::showEvent(QShowEvent *event)
 274 {
 275     qDebug() << __PRETTY_FUNCTION__;
 276
 277     QWidget::showEvent(event);
 278     updateKeyboardGrabbing();
 279     setFilteringLayoutVisibility(false);
 280 }
 281
 282 void FriendListPanel::showFriendsInList(const QList<QString> &userIDs)
 283 {
 284     qDebug() << __PRETTY_FUNCTION__;
 285
 286     m_friendListLabel->setText(tr("Selected: %1").arg(userIDs.count()));
 287
 288     m_friendListHeaderWidget->show();
 289     m_friendListView->filter(userIDs);
 290
 291     clearTextFiltering();
 292
 293     emit showPanelRequested(this);
 294 }
 295
 296 void FriendListPanel::topmostWindowChanged(bool mainWindowIsTopmost)
 297 {
 298     qDebug() << __PRETTY_FUNCTION__ << mainWindowIsTopmost;
 299
 300     m_mainWindowIsTopmost = mainWindowIsTopmost;
 301     updateKeyboardGrabbing();
 302 }