git.maemo.org Git - dorian/blob - adopterwindow.cpp

   1 #include <QtGui>
   2
   3 #if defined(Q_WS_MAEMO_5)
   4 #   include <QtGui/QX11Info>
   5 #   include <X11/Xlib.h>
   6 #   include <X11/Xatom.h>
   7 #   include <QAbstractKineticScroller>
   8 #endif
   9
  10 #include "adopterwindow.h"
  11 #include "trace.h"
  12 #include "bookview.h"
  13 #include "platform.h"
  14 #include "settings.h"
  15 #include "progress.h"
  16 #include "translucentbutton.h"
  17
  18 AdopterWindow::AdopterWindow(QWidget *parent): MainBase(parent), bookView(0),
  19     grabbingVolumeKeys(false), progress(0), previousButton(0), nextButton(0)
  20 {
  21     TRACE;
  22
  23     // Monitor settings
  24     connect(Settings::instance(), SIGNAL(valueChanged(const QString &)),
  25             this, SLOT(onSettingsChanged(const QString &)));
  26
  27 }
  28
  29 void AdopterWindow::takeBookView(BookView *view,
  30                                  Progress *prog,
  31                                  TranslucentButton *previous,
  32                                  TranslucentButton *next)
  33 {
  34     TRACE;
  35
  36     Q_ASSERT(view);
  37     Q_ASSERT(prog);
  38     Q_ASSERT(previous);
  39     Q_ASSERT(next);
  40
  41     if (bookView) {
  42         return;
  43     }
  44
  45     bookView = view;
  46     bookView->setParent(this);
  47     centralWidget()->layout()->addWidget(bookView);
  48     // bookView->show();
  49
  50     progress = prog;
  51     previousButton = previous;
  52     nextButton = next;
  53     progress->setParent(this);
  54     previousButton->setParent(this);
  55     nextButton->setParent(this);
  56
  57     // Handle page and/or volume keys
  58     connect(this, SIGNAL(pageUp()), this, SLOT(onPageUp()),
  59             Qt::QueuedConnection);
  60     connect(this, SIGNAL(pageDown()), this, SLOT(onPageDown()),
  61             Qt::QueuedConnection);
  62 }
  63
  64 void AdopterWindow::leaveBookView()
  65 {
  66     TRACE;
  67
  68     if (!bookView) {
  69         return;
  70     }
  71
  72     // bookView->hide();
  73     centralWidget()->layout()->removeWidget(bookView);
  74     bookView = 0;
  75     progress = 0;
  76     nextButton = 0;
  77     previousButton = 0;
  78     disconnect(this, SLOT(onPageUp()));
  79     disconnect(this, SLOT(onPageDown()));
  80 }
  81
  82 bool AdopterWindow::hasBookView()
  83 {
  84     return bookView != 0;
  85 }
  86
  87 void AdopterWindow::grabVolumeKeys(bool grab)
  88 {
  89     TRACE;
  90     grabbingVolumeKeys = grab;
  91 #ifdef Q_WS_MAEMO_5
  92     doGrabVolumeKeys(grab);
  93 #endif
  94 }
  95
  96 #ifdef Q_WS_MAEMO_5
  97
  98 void AdopterWindow::doGrabVolumeKeys(bool grab)
  99 {
 100     TRACE;
 101     if (!isVisible()) {
 102         qDebug() << "Not visible - skipping";
 103         return;
 104     }
 105     if (!winId()) {
 106         qDebug() << "Could not get window ID - skipping";
 107         return;
 108     }
 109     unsigned long val = grab? 1: 0;
 110     Atom atom =
 111             XInternAtom(QX11Info::display(), "_HILDON_ZOOM_KEY_ATOM", False);
 112     if (!atom) {
 113         qCritical() << "Unable to obtain _HILDON_ZOOM_KEY_ATOM";
 114         return;
 115     }
 116     XChangeProperty(QX11Info::display(),
 117         winId(),
 118         atom,
 119         XA_INTEGER,
 120         32,
 121         PropModeReplace,
 122         reinterpret_cast<unsigned char *>(&val),
 123         1);
 124     qDebug() << "Grabbed volume keys";
 125 }
 126
 127 #endif // Q_WS_MAEMO_5
 128
 129 void AdopterWindow::showEvent(QShowEvent *event)
 130 {
 131     Trace t("AdopterWindow::showEvent");
 132
 133     MainBase::showEvent(event);
 134 #if defined(Q_WS_MAEMO_5)
 135     doGrabVolumeKeys(grabbingVolumeKeys);
 136 #endif
 137     placeDecorations();
 138 }
 139
 140 void AdopterWindow::resizeEvent(QResizeEvent *event)
 141 {
 142     Trace t("AdopterWindow::resizeEvent");
 143
 144     MainBase::resizeEvent(event);
 145     placeDecorations();
 146 #if defined(Q_WS_MAEMO_5) || defined(Q_OS_SYMBIAN)
 147     // Restore previous reading position
 148     if (bookView) {
 149         bookView->scheduleRestoreLastBookmark();
 150     }
 151 #endif // defined(Q_WS_MAEMO_5) || defined(Q_OS_SYMBIAN)
 152 }
 153
 154 void AdopterWindow::closeEvent(QCloseEvent *event)
 155 {
 156     Trace t("AdopterWindow::closeEvent");
 157     if (bookView) {
 158         bookView->setLastBookmark();
 159     }
 160     MainBase::closeEvent(event);
 161 }
 162
 163 void AdopterWindow::leaveEvent(QEvent *event)
 164 {
 165     Trace t("AdopterWindow::leaveEvent");
 166     if (bookView) {
 167         bookView->setLastBookmark();
 168     }
 169     MainBase::leaveEvent(event);
 170 }
 171
 172 void AdopterWindow::keyPressEvent(QKeyEvent *event)
 173 {
 174     TRACE;
 175     switch (event->key()) {
 176     case Qt::Key_PageDown:
 177 #ifdef Q_WS_MAEMO_5
 178     case Qt::Key_F7:
 179 #endif
 180         emit pageDown();
 181         event->accept();
 182         break;
 183     case Qt::Key_PageUp:
 184 #ifdef Q_WS_MAEMO_5
 185     case Qt::Key_F8:
 186 #endif
 187         emit pageUp();
 188         event->accept();
 189         break;
 190     default:
 191         ;
 192     }
 193     MainBase::keyPressEvent(event);
 194 }
 195
 196 void AdopterWindow::onSettingsChanged(const QString &key)
 197 {
 198     if (key == "usevolumekeys") {
 199         bool grab = Settings::instance()->value(key, false).toBool();
 200         qDebug() << "AdopterWindow::onSettingsChanged: usevolumekeys" << grab;
 201         grabVolumeKeys(grab);
 202     }
 203 }
 204
 205 void AdopterWindow::placeDecorations()
 206 {
 207     Trace t("AdopterWindow::placeDecorations");
 208
 209     if (!hasBookView()) {
 210         qDebug() << "Doesn't have the book view";
 211         return;
 212     }
 213
 214     qDebug() << "Has the book view";
 215     int extraHeight = 0;
 216
 217     QRect geo = bookView->geometry();
 218     qDebug() << "bookView:" << geo;
 219
 220     progress->setGeometry(geo.x(),
 221         geo.y() + geo.height() - progress->thickness() + extraHeight,
 222         geo.width(), progress->thickness());
 223     previousButton->setGeometry(geo.x(),
 224         geo.y() + geo.height() - TranslucentButton::pixels + extraHeight,
 225         TranslucentButton::pixels, TranslucentButton::pixels);
 226     nextButton->setGeometry(geo.x() + geo.width() - TranslucentButton::pixels,
 227         geo.y(), TranslucentButton::pixels, TranslucentButton::pixels);
 228     progress->flash();
 229     previousButton->flash();
 230     nextButton->flash();
 231     qDebug() << "progress:" << progress->geometry();
 232 }
 233
 234 void AdopterWindow::onPageUp()
 235 {
 236     if (bookView && grabbingVolumeKeys) {
 237         setEnabled(false);
 238         bookView->goPreviousPage();
 239         setEnabled(true);
 240     }
 241 }
 242
 243 void AdopterWindow::onPageDown()
 244 {
 245     if (bookView && grabbingVolumeKeys) {
 246         setEnabled(false);
 247         bookView->goNextPage();
 248         setEnabled(true);
 249     }
 250 }