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     leaveBookView();
  42
  43     bookView = view;
  44     bookView->setParent(this);
  45     centralWidget()->layout()->addWidget(bookView);
  46     bookView->show();
  47
  48     progress = prog;
  49     previousButton = previous;
  50     nextButton = next;
  51     progress->setParent(this);
  52     previousButton->setParent(this);
  53     nextButton->setParent(this);
  54
  55     // Handle page and/or volume keys
  56     connect(this, SIGNAL(pageUp()), this, SLOT(onPageUp()),
  57             Qt::QueuedConnection);
  58     connect(this, SIGNAL(pageDown()), this, SLOT(onPageDown()),
  59             Qt::QueuedConnection);
  60 }
  61
  62 void AdopterWindow::leaveBookView()
  63 {
  64     TRACE;
  65     if (bookView) {
  66         bookView->hide();
  67         centralWidget()->layout()->removeWidget(bookView);
  68     }
  69     bookView = 0;
  70     progress = 0;
  71     nextButton = 0;
  72     previousButton = 0;
  73     disconnect(this, SLOT(onPageUp()));
  74     disconnect(this, SLOT(onPageDown()));
  75 }
  76
  77 bool AdopterWindow::hasBookView()
  78 {
  79     return bookView != 0;
  80 }
  81
  82 void AdopterWindow::grabVolumeKeys(bool grab)
  83 {
  84     TRACE;
  85     grabbingVolumeKeys = grab;
  86 #ifdef Q_WS_MAEMO_5
  87     doGrabVolumeKeys(grab);
  88 #endif
  89 }
  90
  91 #ifdef Q_WS_MAEMO_5
  92
  93 void AdopterWindow::doGrabVolumeKeys(bool grab)
  94 {
  95     TRACE;
  96     if (!isVisible()) {
  97         qDebug() << "Not visible - skipping";
  98         return;
  99     }
 100     if (!winId()) {
 101         qDebug() << "Could not get window ID - skipping";
 102         return;
 103     }
 104     unsigned long val = grab? 1: 0;
 105     Atom atom =
 106             XInternAtom(QX11Info::display(), "_HILDON_ZOOM_KEY_ATOM", False);
 107     if (!atom) {
 108         qCritical() << "Unable to obtain _HILDON_ZOOM_KEY_ATOM";
 109         return;
 110     }
 111     XChangeProperty(QX11Info::display(),
 112         winId(),
 113         atom,
 114         XA_INTEGER,
 115         32,
 116         PropModeReplace,
 117         reinterpret_cast<unsigned char *>(&val),
 118         1);
 119     qDebug() << "Grabbed volume keys";
 120 }
 121
 122 #endif // Q_WS_MAEMO_5
 123
 124 void AdopterWindow::showEvent(QShowEvent *e)
 125 {
 126     Trace t("AdopterWindow::showEvent");
 127
 128     MainBase::showEvent(e);
 129 #if defined(Q_WS_MAEMO_5)
 130     doGrabVolumeKeys(grabbingVolumeKeys);
 131 #endif
 132     placeDecorations();
 133 }
 134
 135 void AdopterWindow::resizeEvent(QResizeEvent *event)
 136 {
 137     Trace t("AdopterWindow::resizeEvent");
 138     MainBase::resizeEvent(event);
 139     placeDecorations();
 140
 141 #if defined(Q_WS_MAEMO_5) || defined(Q_OS_SYMBIAN)
 142     // Restore previous reading position
 143     if (bookView) {
 144         QTimer::singleShot(110, bookView, SLOT(restoreLastBookmark()));
 145     }
 146 #endif // defined(Q_WS_MAEMO_5) || defined(Q_OS_SYMBIAN)
 147 }
 148
 149 void AdopterWindow::closeEvent(QCloseEvent *event)
 150 {
 151     Trace t("AdopterWindow::closeEvent");
 152     if (bookView) {
 153         bookView->setLastBookmark();
 154     }
 155     MainBase::closeEvent(event);
 156 }
 157
 158 void AdopterWindow::leaveEvent(QEvent *event)
 159 {
 160     Trace t("AdopterWindow::leaveEvent");
 161     if (bookView) {
 162         bookView->setLastBookmark();
 163     }
 164     MainBase::leaveEvent(event);
 165 }
 166
 167 void AdopterWindow::keyPressEvent(QKeyEvent *event)
 168 {
 169     TRACE;
 170     switch (event->key()) {
 171     case Qt::Key_PageDown:
 172 #ifdef Q_WS_MAEMO_5
 173     case Qt::Key_F7:
 174 #endif
 175         emit pageDown();
 176         event->accept();
 177         break;
 178     case Qt::Key_PageUp:
 179 #ifdef Q_WS_MAEMO_5
 180     case Qt::Key_F8:
 181 #endif
 182         emit pageUp();
 183         event->accept();
 184         break;
 185     default:
 186         ;
 187     }
 188     MainBase::keyPressEvent(event);
 189 }
 190
 191 void AdopterWindow::onSettingsChanged(const QString &key)
 192 {
 193     if (key == "usevolumekeys") {
 194         bool grab = Settings::instance()->value(key, false).toBool();
 195         qDebug() << "AdopterWindow::onSettingsChanged: usevolumekeys" << grab;
 196         grabVolumeKeys(grab);
 197     }
 198 }
 199
 200 void AdopterWindow::placeDecorations()
 201 {
 202     Trace t("AdopterWindow::placeDecorations");
 203
 204     if (!hasBookView()) {
 205         return;
 206     }
 207
 208     int extraHeight = 0;
 209
 210     QRect geo = bookView->geometry();
 211     qDebug() << "bookView:" << geo;
 212
 213 #ifdef Q_OS_SYMBIAN
 214     // Work around Symbian bug: If tool bar is hidden, increase bottom
 215     // decorator widgets' Y coordinates by the tool bar's height
 216     // if (isToolBarHidden()) {
 217     //     extraHeight = toolBarHeight();
 218     // }
 219
 220     // Work around another Symbian bug: When returning from full screen mode
 221     // in landscape, the book view widget's height is miscalculated.
 222     // My apologies for this kludge
 223     if (geo.height() == 288) {
 224         qDebug() << "Adjusting bottom Y";
 225         extraHeight -= 288 - 223;
 226     }
 227 #endif // Q_OS_SYMBIAN
 228
 229     progress->setGeometry(geo.x(),
 230         geo.y() + geo.height() - progress->thickness() + extraHeight,
 231         geo.width(), progress->thickness());
 232     previousButton->setGeometry(geo.x(),
 233         geo.y() + geo.height() - TranslucentButton::pixels + extraHeight,
 234         TranslucentButton::pixels, TranslucentButton::pixels);
 235     nextButton->setGeometry(geo.x() + geo.width() - TranslucentButton::pixels,
 236         geo.y(), TranslucentButton::pixels, TranslucentButton::pixels);
 237     progress->flash();
 238     previousButton->flash();
 239     nextButton->flash();
 240     qDebug() << "progress:" << progress->geometry();
 241 }
 242
 243 void AdopterWindow::onPageUp()
 244 {
 245     if (bookView && grabbingVolumeKeys) {
 246         setEnabled(false);
 247         bookView->goPreviousPage();
 248         setEnabled(true);
 249     }
 250 }
 251
 252 void AdopterWindow::onPageDown()
 253 {
 254     if (bookView && grabbingVolumeKeys) {
 255         setEnabled(false);
 256         bookView->goNextPage();
 257         setEnabled(true);
 258     }
 259 }