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 "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     QVBoxLayout *friendListPanelLayout = new QVBoxLayout();
  54     friendListPanelLayout->setMargin(0);
  55     friendListPanelLayout->setSpacing(0);
  56     setLayout(friendListPanelLayout);
  57
  58     QHBoxLayout *filterLayout = new QHBoxLayout();
  59     filterLayout->setContentsMargins(FRIENDPANEL_FILTER_MARGIN_LEFT, FRIENDPANEL_FILTER_MARGIN_TOP,
  60                                      FRIENDPANEL_FILTER_MARGIN_RIGHT, FRIENDPANEL_FILTER_MARGIN_BOTTOM);
  61
  62     m_friendListHeaderWidget = new QWidget();
  63     m_friendListHeaderWidget->setLayout(filterLayout);
  64     m_friendListHeaderWidget->setAutoFillBackground(true);
  65
  66     m_routeButton = new ImageButton(":res/images/route_to_friend.png",
  67                                     ":res/images/route_to_friend_s.png", "", this);
  68     m_routeButton->setDisabled(true);
  69
  70     QPalette labelPalette = m_friendListHeaderWidget->palette();
  71     labelPalette.setColor(QPalette::Background, Qt::black);
  72
  73     m_friendListHeaderWidget->setPalette(labelPalette);
  74     m_friendListHeaderWidget->hide();
  75     m_friendListLabel = new QLabel(this);
  76     m_clearFilterButton = new ImageButton(":res/images/filtered.png",
  77                                           ":res/images/filtered_s.png", "", this);
  78
  79     m_clearFilterButton->setCheckable(true);
  80
  81     filterLayout->addWidget(m_friendListLabel);
  82     filterLayout->addWidget(m_clearFilterButton);
  83
  84     m_friendListView = new FriendListView(this);
  85     m_friendListView->setItemDelegate(new FriendListItemDelegate(this));
  86
  87     QVBoxLayout *listViewLayout = new QVBoxLayout;
  88     listViewLayout->setContentsMargins(PANEL_MARGIN_LEFT, PANEL_MARGIN_TOP,
  89                                        PANEL_MARGIN_RIGHT, PANEL_MARGIN_BOTTOM);
  90     listViewLayout->addWidget(m_friendListView);
  91
  92     friendListPanelLayout->addWidget(m_routeButton);
  93     friendListPanelLayout->addWidget(m_friendListHeaderWidget);
  94     friendListPanelLayout->addLayout(listViewLayout);
  95
  96     connect(m_friendListView, SIGNAL(friendItemClicked(GeoCoordinate)),
  97             this, SIGNAL(findFriend(GeoCoordinate)));
  98
  99     connect(m_clearFilterButton, SIGNAL(clicked()),
 100             this, SLOT(clearFiltering()));
 101
 102     connect(m_routeButton, SIGNAL(clicked()),
 103             this, SLOT(routeToSelectedFriend()));
 104
 105     connect(m_friendListView, SIGNAL(listItemSelectionChanged()),
 106             this, SLOT(setRouteButtonDisabled()));
 107
 108     /// @todo remove old filterLayout when new panel are merged
 109
 110     //////////////////////////////////////////////////////////////////////////
 111     // NOTE! Do not mix the new filtering layout below with the old one above
 112     //////////////////////////////////////////////////////////////////////////
 113
 114     // filtering layout
 115     QHBoxLayout *filteringLayout = new QHBoxLayout();
 116     friendListPanelLayout->addLayout(filteringLayout);
 117
 118     // line edit for filtering
 119     m_filterField = new QLineEdit;
 120     filteringLayout->addWidget(m_filterField);
 121
 122     connect(m_filterField, SIGNAL(returnPressed()),
 123             this, SLOT(clearTextFiltering()));
 124
 125     connect(m_filterField, SIGNAL(textChanged(QString)),
 126             this, SLOT(filterTextChanged(QString)));
 127
 128     // button for clearing the filtering
 129     m_filterClearButton = new QPushButton();
 130     filteringLayout->addWidget(m_filterClearButton);
 131     m_filterClearButton->setIcon(QIcon::fromTheme(QLatin1String("general_close")));
 132
 133     connect(m_filterClearButton, SIGNAL(clicked()),
 134             this, SLOT(clearTextFiltering()));
 135
 136     connect(qApp, SIGNAL(topmostWindowChanged(bool)),
 137             this, SLOT(topmostWindowChanged(bool)));
 138
 139     // CONTEXT BUTTONS
 140     m_contextButtonLayout->addWidget(m_routeButton, 0, 0);
 141     m_contextButtonLayout->addWidget(m_clearFilterButton, 1, 0);
 142 }
 143
 144 void FriendListPanel::anyPanelClosed()
 145 {
 146     qDebug() << __PRETTY_FUNCTION__;
 147
 148     m_somePanelIsOpen = false;
 149     updateKeyboardGrabbing();
 150
 151     clearFiltering();
 152
 153     m_friendListView->clearItemSelection();
 154     setRouteButtonDisabled();
 155 }
 156
 157 void FriendListPanel::anyPanelOpened()
 158 {
 159     qDebug() << __PRETTY_FUNCTION__;
 160
 161     m_somePanelIsOpen = true;
 162     updateKeyboardGrabbing();
 163 }
 164
 165 void FriendListPanel::clearFiltering()
 166 {
 167     qDebug() << __PRETTY_FUNCTION__;
 168
 169     m_friendListHeaderWidget->hide();
 170     m_clearFilterButton->setChecked(false);
 171     m_friendListView->clearFilter();
 172     clearTextFiltering();
 173 }
 174
 175 void FriendListPanel::clearTextFiltering()
 176 {
 177     qDebug() << __PRETTY_FUNCTION__;
 178
 179     // clearing the filtering text field does cause also hiding the filtering layout
 180     m_filterField->clear();
 181 }
 182
 183 void FriendListPanel::filterTextChanged(const QString &text)
 184 {
 185     qDebug() << __PRETTY_FUNCTION__;
 186
 187     if (m_filterField->isHidden() && !text.isEmpty())
 188         setFilteringLayoutVisibility(true);
 189     else if (m_filterField->isVisible() && text.isEmpty())
 190         setFilteringLayoutVisibility(false);
 191
 192     m_friendListView->filter(text);
 193 }
 194
 195 void FriendListPanel::friendImageReady(User *user)
 196 {
 197     qDebug() << __PRETTY_FUNCTION__;
 198
 199     FriendListItem *item = static_cast<FriendListItem*>(m_friendListView->listItem(user->userId()));
 200
 201     if (item)
 202         item->setAvatarImage(user->profileImage());
 203 }
 204
 205 void FriendListPanel::friendInfoReceived(QList<User *> &friendList)
 206 {
 207     qDebug() << __PRETTY_FUNCTION__;
 208
 209     QStringList newUserIDs;
 210
 211     foreach (User *user, friendList) {
 212         FriendListItem *item = 0;
 213         if (!m_friendListView->contains(user->userId())) {
 214             item = new FriendListItem();
 215             item->setUserData(user);
 216             m_friendListView->addListItem(user->userId(), item);
 217         } else {
 218             item = static_cast<FriendListItem *>(m_friendListView->takeListItemFromView(
 219                     user->userId()));
 220
 221             if (item) {
 222                 item->setUserData(user);
 223                 m_friendListView->addListItemToView(item);
 224             }
 225         }
 226
 227         newUserIDs.append(user->userId());
 228     }
 229
 230     m_friendListView->clearUnused(newUserIDs);
 231 }
 232
 233 void FriendListPanel::hideEvent(QHideEvent *event)
 234 {
 235     qDebug() << __PRETTY_FUNCTION__;
 236
 237     QWidget::hideEvent(event);
 238     updateKeyboardGrabbing();
 239     clearFiltering();
 240
 241     m_friendListView->clearItemSelection();
 242     setRouteButtonDisabled();
 243 }
 244
 245 void FriendListPanel::routeToSelectedFriend()
 246 {
 247     qDebug() << __PRETTY_FUNCTION__;
 248
 249     FriendListItem *item = dynamic_cast<FriendListItem *>(m_friendListView->selectedItem());
 250
 251     if (item)
 252         emit routeToFriend(item->coordinates());
 253 }
 254
 255 void FriendListPanel::setFilteringLayoutVisibility(bool visible)
 256 {
 257     qDebug() << __PRETTY_FUNCTION__;
 258
 259     m_filterField->setVisible(visible);
 260     m_filterClearButton->setVisible(visible);
 261 }
 262
 263 void FriendListPanel::updateKeyboardGrabbing()
 264 {
 265     qDebug() << __PRETTY_FUNCTION__;
 266
 267     if (!m_mainWindowIsTopmost || !m_somePanelIsOpen || !isVisible()) {
 268         if (QWidget::keyboardGrabber() == m_filterField)
 269             m_filterField->releaseKeyboard();
 270     } else if (m_mainWindowIsTopmost && m_somePanelIsOpen && isVisible()) {
 271         if (QWidget::keyboardGrabber() != m_filterField)
 272             m_filterField->grabKeyboard();
 273     }
 274 }
 275
 276 void FriendListPanel::setRouteButtonDisabled()
 277 {
 278     qDebug() << __PRETTY_FUNCTION__;
 279
 280     m_routeButton->setDisabled(m_friendListView->selectedItems().isEmpty());
 281 }
 282
 283 void FriendListPanel::showEvent(QShowEvent *event)
 284 {
 285     qDebug() << __PRETTY_FUNCTION__;
 286
 287     QWidget::showEvent(event);
 288     updateKeyboardGrabbing();
 289     setFilteringLayoutVisibility(false);
 290 }
 291
 292 void FriendListPanel::showFriendsInList(const QList<QString> &userIDs)
 293 {
 294     qDebug() << __PRETTY_FUNCTION__;
 295
 296     m_friendListLabel->setText(tr("Selected: %1").arg(userIDs.count()));
 297
 298     m_friendListHeaderWidget->show();
 299     m_clearFilterButton->setChecked(true);
 300     m_friendListView->filter(userIDs);
 301
 302     clearTextFiltering();
 303
 304     emit showPanelRequested(this);
 305 }
 306
 307 void FriendListPanel::topmostWindowChanged(bool mainWindowIsTopmost)
 308 {
 309     qDebug() << __PRETTY_FUNCTION__ << mainWindowIsTopmost;
 310
 311     m_mainWindowIsTopmost = mainWindowIsTopmost;
 312     updateKeyboardGrabbing();
 313 }