git.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 "imagebutton.h"
  36 #include "panelcommon.h"
  37 #include "user/user.h"
  38
  39 #include "friendlistpanel.h"
  40
  41 FriendListPanel::FriendListPanel(QWidget *parent)
  42     : PanelBase(parent),
  43       m_mainWindowIsTopmost(false),
  44       m_somePanelIsOpen(false)
  45 {
  46     qDebug() << __PRETTY_FUNCTION__;
  47
  48     const int FRIENDPANEL_FILTER_MARGIN_LEFT = PANEL_MARGIN_LEFT + 4;
  49     const int FRIENDPANEL_FILTER_MARGIN_TOP = 0;
  50     const int FRIENDPANEL_FILTER_MARGIN_RIGHT = PANEL_MARGIN_RIGHT + MAEMO5_SCROLLBAR_WIDTH + 4;
  51     const int FRIENDPANEL_FILTER_MARGIN_BOTTOM = 0;
  52
  53     // --- HEADER, HOW MANY FRIENDS ARE SELECTED ---
  54     m_headerWidget = new QWidget();
  55
  56     m_headerWidget->hide();
  57     m_headerWidget->setAutoFillBackground(true);
  58
  59     QPalette headerPalette = m_headerWidget->palette();
  60     headerPalette.setColor(QPalette::Background, Qt::black);
  61     m_headerWidget->setPalette(headerPalette);
  62
  63     QHBoxLayout *headerLayout = new QHBoxLayout();
  64     m_headerWidget->setLayout(headerLayout);
  65     headerLayout->setContentsMargins(FRIENDPANEL_FILTER_MARGIN_LEFT,
  66                                      FRIENDPANEL_FILTER_MARGIN_TOP,
  67                                      FRIENDPANEL_FILTER_MARGIN_RIGHT,
  68                                      FRIENDPANEL_FILTER_MARGIN_BOTTOM);
  69
  70     m_headerLabel = new QLabel(this);
  71     headerLayout->addWidget(m_headerLabel, 0, Qt::AlignCenter);
  72
  73     // --- FRIEND LIST ---
  74     m_friendListView = new FriendListView(this);
  75     m_friendListView->setItemDelegate(new FriendListItemDelegate(this));
  76
  77     QVBoxLayout *listViewLayout = new QVBoxLayout;
  78     listViewLayout->setContentsMargins(PANEL_MARGIN_LEFT, PANEL_MARGIN_TOP,
  79                                        PANEL_MARGIN_RIGHT, PANEL_MARGIN_BOTTOM);
  80     listViewLayout->addWidget(m_friendListView);
  81
  82     connect(m_friendListView, SIGNAL(friendItemClicked(GeoCoordinate)),
  83             this, SIGNAL(findFriend(GeoCoordinate)));
  84
  85     connect(m_friendListView, SIGNAL(listItemSelectionChanged()),
  86             this, SLOT(setRouteButtonDisabled()));
  87
  88     // --- FOOTER, TEXT BASED FILTERING ---
  89     QHBoxLayout *footerLayout = new QHBoxLayout();
  90
  91     m_filterField = new QLineEdit;
  92     footerLayout->addWidget(m_filterField);
  93
  94     connect(m_filterField, SIGNAL(returnPressed()),
  95             this, SLOT(clearTextFiltering()));
  96
  97     connect(m_filterField, SIGNAL(textChanged(QString)),
  98             this, SLOT(filterTextChanged(QString)));
  99
 100     m_clearTextFilteringButton = new QPushButton();
 101     footerLayout->addWidget(m_clearTextFilteringButton);
 102     m_clearTextFilteringButton->setIcon(QIcon::fromTheme(QLatin1String("general_close")));
 103
 104     connect(m_clearTextFilteringButton, SIGNAL(clicked()),
 105             this, SLOT(clearTextFiltering()));
 106
 107     connect(qApp, SIGNAL(topmostWindowChanged(bool)),
 108             this, SLOT(topmostWindowChanged(bool)));
 109
 110     // --- MAIN LAYOUT ---
 111     QVBoxLayout *friendListPanelLayout = new QVBoxLayout();
 112     friendListPanelLayout->setMargin(0);
 113     friendListPanelLayout->setSpacing(0);
 114     setLayout(friendListPanelLayout);
 115
 116     friendListPanelLayout->addWidget(m_headerWidget);
 117     friendListPanelLayout->addLayout(listViewLayout);
 118     friendListPanelLayout->addLayout(footerLayout);
 119
 120     // --- CONTEXT BUTTONS ---
 121     m_routeButton = new ImageButton(":res/images/route_to_friend.png",
 122                                     ":res/images/route_to_friend_s.png", "", this);
 123     m_routeButton->setDisabled(true);
 124     connect(m_routeButton, SIGNAL(clicked()),
 125             this, SLOT(routeToSelectedFriend()));
 126
 127     m_clearGroupFilteringButton = new ImageButton(":res/images/filtered.png",
 128                                                   ":res/images/filtered_s.png", "", this);
 129     m_clearGroupFilteringButton->setCheckable(true);
 130     m_clearGroupFilteringButton->setDisabled(true);
 131     connect(m_clearGroupFilteringButton, SIGNAL(clicked()),
 132             this, SLOT(clearFiltering()));
 133
 134     m_contextButtonLayout->addWidget(m_routeButton);
 135     m_contextButtonLayout->addWidget(m_clearGroupFilteringButton);
 136 }
 137
 138 void FriendListPanel::anyPanelClosed()
 139 {
 140     qDebug() << __PRETTY_FUNCTION__;
 141
 142     m_somePanelIsOpen = false;
 143     updateKeyboardGrabbing();
 144
 145     clearFiltering();
 146
 147     m_friendListView->clearItemSelection();
 148     setRouteButtonDisabled();
 149 }
 150
 151 void FriendListPanel::anyPanelOpened()
 152 {
 153     qDebug() << __PRETTY_FUNCTION__;
 154
 155     m_somePanelIsOpen = true;
 156     updateKeyboardGrabbing();
 157 }
 158
 159 void FriendListPanel::clearFiltering()
 160 {
 161     qDebug() << __PRETTY_FUNCTION__;
 162
 163     m_headerWidget->hide();
 164     m_clearGroupFilteringButton->setChecked(false);
 165     m_clearGroupFilteringButton->setDisabled(true);
 166     m_friendListView->clearFilter();
 167     clearTextFiltering();
 168 }
 169
 170 void FriendListPanel::clearTextFiltering()
 171 {
 172     qDebug() << __PRETTY_FUNCTION__;
 173
 174     // clearing the filtering text field does cause also hiding the filtering layout
 175     m_filterField->clear();
 176 }
 177
 178 void FriendListPanel::filterTextChanged(const QString &text)
 179 {
 180     qDebug() << __PRETTY_FUNCTION__;
 181
 182     if (m_filterField->isHidden() && !text.isEmpty())
 183         setFilteringLayoutVisibility(true);
 184     else if (m_filterField->isVisible() && text.isEmpty())
 185         setFilteringLayoutVisibility(false);
 186
 187     m_friendListView->filter(text);
 188 }
 189
 190 void FriendListPanel::friendImageReady(User *user)
 191 {
 192     qDebug() << __PRETTY_FUNCTION__;
 193
 194     FriendListItem *item = static_cast<FriendListItem*>(m_friendListView->listItem(user->userId()));
 195
 196     if (item)
 197         item->setAvatarImage(user->profileImage());
 198 }
 199
 200 void FriendListPanel::friendInfoReceived(QList<User *> &friendList)
 201 {
 202     qDebug() << __PRETTY_FUNCTION__;
 203
 204     QStringList newUserIDs;
 205
 206     foreach (User *user, friendList) {
 207         FriendListItem *item = 0;
 208         if (!m_friendListView->contains(user->userId())) {
 209             item = new FriendListItem();
 210             item->setUserData(user);
 211             m_friendListView->addListItem(user->userId(), item);
 212         } else {
 213             item = static_cast<FriendListItem *>(m_friendListView->takeListItemFromView(
 214                     user->userId()));
 215
 216             if (item) {
 217                 item->setUserData(user);
 218                 m_friendListView->addListItemToView(item);
 219             }
 220         }
 221
 222         newUserIDs.append(user->userId());
 223     }
 224
 225     m_friendListView->clearUnused(newUserIDs);
 226 }
 227
 228 void FriendListPanel::hideEvent(QHideEvent *event)
 229 {
 230     qDebug() << __PRETTY_FUNCTION__;
 231
 232     QWidget::hideEvent(event);
 233     updateKeyboardGrabbing();
 234     clearFiltering();
 235
 236     m_friendListView->clearItemSelection();
 237     setRouteButtonDisabled();
 238 }
 239
 240 void FriendListPanel::routeToSelectedFriend()
 241 {
 242     qDebug() << __PRETTY_FUNCTION__;
 243
 244     FriendListItem *item = dynamic_cast<FriendListItem *>(m_friendListView->selectedItem());
 245
 246     if (item)
 247         emit routeToFriend(item->coordinates());
 248 }
 249
 250 void FriendListPanel::setFilteringLayoutVisibility(bool visible)
 251 {
 252     qDebug() << __PRETTY_FUNCTION__;
 253
 254     m_filterField->setVisible(visible);
 255     m_clearTextFilteringButton->setVisible(visible);
 256 }
 257
 258 void FriendListPanel::updateKeyboardGrabbing()
 259 {
 260     qDebug() << __PRETTY_FUNCTION__;
 261
 262     if (!m_mainWindowIsTopmost || !m_somePanelIsOpen || !isVisible()) {
 263         if (QWidget::keyboardGrabber() == m_filterField)
 264             m_filterField->releaseKeyboard();
 265     } else if (m_mainWindowIsTopmost && m_somePanelIsOpen && isVisible()) {
 266         if (QWidget::keyboardGrabber() != m_filterField)
 267             m_filterField->grabKeyboard();
 268     }
 269 }
 270
 271 void FriendListPanel::setRouteButtonDisabled()
 272 {
 273     qDebug() << __PRETTY_FUNCTION__;
 274
 275     m_routeButton->setDisabled(m_friendListView->selectedItems().isEmpty());
 276 }
 277
 278 void FriendListPanel::showEvent(QShowEvent *event)
 279 {
 280     qDebug() << __PRETTY_FUNCTION__;
 281
 282     QWidget::showEvent(event);
 283     updateKeyboardGrabbing();
 284     setFilteringLayoutVisibility(false);
 285 }
 286
 287 void FriendListPanel::showFriendsInList(const QList<QString> &userIDs)
 288 {
 289     qDebug() << __PRETTY_FUNCTION__;
 290
 291     m_headerLabel->setText(tr("Selected: %1").arg(userIDs.count()));
 292
 293     m_headerWidget->show();
 294     m_clearGroupFilteringButton->setDisabled(false);
 295     m_clearGroupFilteringButton->setChecked(true);
 296     m_friendListView->filter(userIDs);
 297
 298     clearTextFiltering();
 299
 300     emit openPanelRequested(this);
 301 }
 302
 303 void FriendListPanel::topmostWindowChanged(bool mainWindowIsTopmost)
 304 {
 305     qDebug() << __PRETTY_FUNCTION__ << mainWindowIsTopmost;
 306
 307     m_mainWindowIsTopmost = mainWindowIsTopmost;
 308     updateKeyboardGrabbing();
 309 }