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         Jussi Laitinen - jussi.laitinen@ixonos.com
  10
  11     Situare is free software; you can redistribute it and/or
  12     modify it under the terms of the GNU General Public License
  13     version 2 as published by the Free Software Foundation.
  14
  15     Situare is distributed in the hope that it will be useful,
  16     but WITHOUT ANY WARRANTY; without even the implied warranty of
  17     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18     GNU General Public License for more details.
  19
  20     You should have received a copy of the GNU General Public License
  21     along with Situare; if not, write to the Free Software
  22     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
  23     USA.
  24 */
  25
  26 #include <QApplication>
  27 #include <QHBoxLayout>
  28 #include <QLabel>
  29 #include <QLineEdit>
  30 #include <QPushButton>
  31
  32 #include "coordinates/geocoordinate.h"
  33 #include "friendlistitem.h"
  34 #include "friendlistitemdelegate.h"
  35 #include "friendlistview.h"
  36 #include "imagebutton.h"
  37 #include "panelcommon.h"
  38 #include "user/user.h"
  39
  40 #include "friendlistpanel.h"
  41
  42 FriendListPanel::FriendListPanel(QWidget *parent)
  43     : PanelBase(parent),
  44       m_mainWindowIsTopmost(false),
  45       m_somePanelIsOpen(false)
  46 {
  47     qDebug() << __PRETTY_FUNCTION__;
  48
  49     const int FRIENDPANEL_FILTER_MARGIN_LEFT = PANEL_MARGIN_LEFT + 4;
  50     const int FRIENDPANEL_FILTER_MARGIN_TOP = 0;
  51     const int FRIENDPANEL_FILTER_MARGIN_RIGHT = PANEL_MARGIN_RIGHT + MAEMO5_SCROLLBAR_WIDTH + 4;
  52     const int FRIENDPANEL_FILTER_MARGIN_BOTTOM = 0;
  53
  54     // --- HEADER, HOW MANY FRIENDS ARE SELECTED ---
  55     m_headerWidget = new QWidget();
  56
  57     m_headerWidget->hide();
  58     m_headerWidget->setAutoFillBackground(true);
  59
  60     QPalette headerPalette = m_headerWidget->palette();
  61     headerPalette.setColor(QPalette::Background, Qt::black);
  62     m_headerWidget->setPalette(headerPalette);
  63
  64     QHBoxLayout *headerLayout = new QHBoxLayout();
  65     m_headerWidget->setLayout(headerLayout);
  66     headerLayout->setContentsMargins(FRIENDPANEL_FILTER_MARGIN_LEFT,
  67                                      FRIENDPANEL_FILTER_MARGIN_TOP,
  68                                      FRIENDPANEL_FILTER_MARGIN_RIGHT,
  69                                      FRIENDPANEL_FILTER_MARGIN_BOTTOM);
  70
  71     m_headerLabel = new QLabel(this);
  72     headerLayout->addWidget(m_headerLabel, 0, Qt::AlignCenter);
  73
  74     // --- FRIEND LIST ---
  75     m_friendListView = new FriendListView(this);
  76     m_friendListView->setItemDelegate(new FriendListItemDelegate(this));
  77
  78     QVBoxLayout *listViewLayout = new QVBoxLayout;
  79     listViewLayout->setContentsMargins(PANEL_MARGIN_LEFT, PANEL_MARGIN_TOP,
  80                                        PANEL_MARGIN_RIGHT, PANEL_MARGIN_BOTTOM);
  81     listViewLayout->addWidget(m_friendListView);
  82
  83     connect(m_friendListView, SIGNAL(friendItemClicked(GeoCoordinate)),
  84             this, SIGNAL(findFriend(GeoCoordinate)));
  85
  86     connect(m_friendListView, SIGNAL(listItemSelectionChanged()),
  87             this, SLOT(onListItemSelectionChanged()));
  88
  89     // --- FOOTER, TEXT BASED FILTERING ---
  90     QHBoxLayout *footerLayout = new QHBoxLayout();
  91
  92     m_filterField = new QLineEdit;
  93     footerLayout->addWidget(m_filterField);
  94
  95     connect(m_filterField, SIGNAL(returnPressed()),
  96             this, SLOT(clearTextFiltering()));
  97
  98     connect(m_filterField, SIGNAL(textChanged(QString)),
  99             this, SLOT(filterTextChanged(QString)));
 100
 101     m_clearTextFilteringButton = new QPushButton();
 102     footerLayout->addWidget(m_clearTextFilteringButton);
 103     m_clearTextFilteringButton->setIcon(QIcon::fromTheme(QLatin1String("general_close")));
 104
 105     connect(m_clearTextFilteringButton, SIGNAL(clicked()),
 106             this, SLOT(clearTextFiltering()));
 107
 108     connect(qApp, SIGNAL(topmostWindowChanged(bool)),
 109             this, SLOT(topmostWindowChanged(bool)));
 110
 111     // --- MAIN LAYOUT ---
 112     QVBoxLayout *friendListPanelLayout = new QVBoxLayout();
 113     friendListPanelLayout->setMargin(0);
 114     friendListPanelLayout->setSpacing(0);
 115     setLayout(friendListPanelLayout);
 116
 117     m_noFriendsLabel = new QLabel();
 118     m_noFriendsLabel->setText("No friends");
 119     m_noFriendsLabel->setAlignment(Qt::AlignCenter);
 120
 121     QPalette noFriendsPalette = palette();
 122     noFriendsPalette.setColor(QPalette::Foreground, Qt::white);
 123     m_noFriendsLabel->setPalette(noFriendsPalette);
 124
 125     friendListPanelLayout->addWidget(m_noFriendsLabel, Qt::AlignCenter);
 126     friendListPanelLayout->addWidget(m_headerWidget);
 127     friendListPanelLayout->addLayout(listViewLayout);
 128     friendListPanelLayout->addLayout(footerLayout);
 129
 130     // --- CONTEXT BUTTONS ---
 131     m_routeButton = new ImageButton(":res/images/route_to_friend.png",
 132                                     ":res/images/route_to_friend_s.png",
 133                                     ":res/images/route_to_friend_d.png", this);
 134     connect(m_routeButton, SIGNAL(clicked()),
 135             this, SLOT(routeToSelectedFriend()));
 136
 137     m_showContactButton = new ImageButton(":res/images/contact.png",
 138                                           ":res/images/contact_s.png",
 139                                           ":res/images/contact_d.png", this);
 140     connect(m_showContactButton, SIGNAL(clicked()),
 141             this, SLOT(requestSelectedFriendContactDialog()));
 142
 143     m_clearGroupFilteringButton = new ImageButton(":res/images/filtered.png",
 144                                                   ":res/images/filtered_s.png",
 145                                                   ":res/images/filtered_d.png", this);
 146     m_clearGroupFilteringButton->setCheckable(true);
 147     m_clearGroupFilteringButton->setDisabled(true);
 148     connect(m_clearGroupFilteringButton, SIGNAL(clicked()),
 149             this, SLOT(clearFiltering()));
 150
 151     m_itemButtonsLayout->addWidget(m_routeButton);
 152     m_itemButtonsLayout->addWidget(m_showContactButton);
 153     m_genericButtonsLayout->addWidget(m_clearGroupFilteringButton);
 154
 155     showEmptyPanel(true);
 156 }
 157
 158 void FriendListPanel::anyPanelClosed()
 159 {
 160     qDebug() << __PRETTY_FUNCTION__;
 161
 162     m_somePanelIsOpen = false;
 163     updateKeyboardGrabbing();
 164
 165     clearFiltering();
 166
 167     m_friendListView->clearItemSelection();
 168 }
 169
 170 void FriendListPanel::anyPanelOpened()
 171 {
 172     qDebug() << __PRETTY_FUNCTION__;
 173
 174     m_somePanelIsOpen = true;
 175     updateKeyboardGrabbing();
 176 }
 177
 178 void FriendListPanel::clearFiltering()
 179 {
 180     qDebug() << __PRETTY_FUNCTION__;
 181
 182     m_headerWidget->hide();
 183     m_clearGroupFilteringButton->setChecked(false);
 184     m_clearGroupFilteringButton->setDisabled(true);
 185     m_friendListView->clearFilter();
 186     clearTextFiltering();
 187 }
 188
 189 void FriendListPanel::clearTextFiltering()
 190 {
 191     qDebug() << __PRETTY_FUNCTION__;
 192
 193     // clearing the filtering text field does cause also hiding the filtering layout
 194     m_filterField->clear();
 195 }
 196
 197 void FriendListPanel::filterTextChanged(const QString &text)
 198 {
 199     qDebug() << __PRETTY_FUNCTION__;
 200
 201     if (m_filterField->isHidden() && !text.isEmpty())
 202         setFilteringLayoutVisibility(true);
 203     else if (m_filterField->isVisible() && text.isEmpty())
 204         setFilteringLayoutVisibility(false);
 205
 206     m_friendListView->filter(text);
 207 }
 208
 209 void FriendListPanel::friendImageReady(const QString &id, const QPixmap &image)
 210 {
 211     qDebug() << __PRETTY_FUNCTION__;
 212
 213     FriendListItem *item = static_cast<FriendListItem*>(m_friendListView->listItem(id));
 214
 215     if (item)
 216         item->setAvatarImage(image);
 217 }
 218
 219 void FriendListPanel::friendInfoReceived(QList<User *> &friendList)
 220 {
 221     qDebug() << __PRETTY_FUNCTION__;
 222
 223     if (!friendList.isEmpty())
 224            showEmptyPanel(false);
 225
 226     QStringList newUserIDs;
 227
 228     foreach (User *user, friendList) {
 229         FriendListItem *item = 0;
 230         if (!m_friendListView->contains(user->userId())) {
 231             item = new FriendListItem();
 232             item->setUserData(user);
 233             m_friendListView->addListItem(user->userId(), item);
 234         } else {
 235             item = static_cast<FriendListItem *>(m_friendListView->takeListItemFromView(
 236                     user->userId()));
 237
 238             if (item) {
 239                 item->setUserData(user);
 240                 m_friendListView->addListItemToView(item);
 241             }
 242         }
 243
 244         newUserIDs.append(user->userId());
 245     }
 246
 247     m_friendListView->clearUnused(newUserIDs);
 248     m_friendListView->show();
 249 }
 250
 251 void FriendListPanel::hideEvent(QHideEvent *event)
 252 {
 253     qDebug() << __PRETTY_FUNCTION__;
 254
 255     QWidget::hideEvent(event);
 256     updateKeyboardGrabbing();
 257     clearFiltering();
 258
 259     m_friendListView->clearItemSelection();
 260 }
 261
 262 void FriendListPanel::requestSelectedFriendContactDialog()
 263 {
 264      qDebug() << __PRETTY_FUNCTION__;
 265
 266      FriendListItem *item = dynamic_cast<FriendListItem *>(m_friendListView->selectedItem());
 267
 268      if (item) {
 269          QString facebookId = item->facebookId();
 270          if (!facebookId.isEmpty())
 271              emit requestContactDialog(facebookId);
 272      }
 273 }
 274
 275 void FriendListPanel::routeToSelectedFriend()
 276 {
 277     qDebug() << __PRETTY_FUNCTION__;
 278
 279     FriendListItem *item = dynamic_cast<FriendListItem *>(m_friendListView->selectedItem());
 280
 281     if (item)
 282         emit routeToFriend(item->coordinates());
 283 }
 284
 285 void FriendListPanel::setFilteringLayoutVisibility(bool visible)
 286 {
 287     qDebug() << __PRETTY_FUNCTION__;
 288
 289     m_filterField->setVisible(visible);
 290     m_clearTextFilteringButton->setVisible(visible);
 291 }
 292
 293 void FriendListPanel::updateKeyboardGrabbing()
 294 {
 295     qDebug() << __PRETTY_FUNCTION__;
 296
 297     if (!m_mainWindowIsTopmost || !m_somePanelIsOpen || !isVisible()) {
 298         if (QWidget::keyboardGrabber() == m_filterField)
 299             m_filterField->releaseKeyboard();
 300     } else if (m_mainWindowIsTopmost && m_somePanelIsOpen && isVisible()) {
 301         if (QWidget::keyboardGrabber() != m_filterField)
 302             m_filterField->grabKeyboard();
 303     }
 304 }
 305
 306 void FriendListPanel::showEvent(QShowEvent *event)
 307 {
 308     qDebug() << __PRETTY_FUNCTION__;
 309
 310     QWidget::showEvent(event);
 311     updateKeyboardGrabbing();
 312     setFilteringLayoutVisibility(false);
 313 }
 314
 315 void FriendListPanel::showEmptyPanel(bool show)
 316 {
 317     if (show) {
 318         m_noFriendsLabel->show();
 319         m_friendListView->hide();
 320     }
 321     else {
 322         m_noFriendsLabel->hide();
 323     }
 324 }
 325
 326 void FriendListPanel::showFriendsInList(const QList<QString> &userIDs)
 327 {
 328     qDebug() << __PRETTY_FUNCTION__;
 329
 330     m_headerLabel->setText(tr("Selected: %1").arg(userIDs.count()));
 331
 332     m_headerWidget->show();
 333     m_clearGroupFilteringButton->setDisabled(false);
 334     m_clearGroupFilteringButton->setChecked(true);
 335     m_friendListView->filter(userIDs);
 336
 337     clearTextFiltering();
 338
 339     emit openPanelRequested(this);
 340 }
 341
 342 void FriendListPanel::topmostWindowChanged(bool mainWindowIsTopmost)
 343 {
 344     qDebug() << __PRETTY_FUNCTION__ << mainWindowIsTopmost;
 345
 346     m_mainWindowIsTopmost = mainWindowIsTopmost;
 347     updateKeyboardGrabbing();
 348 }