9 # include <QAbstractKineticScroller>
20 # define ICON_PREFIX ":/icons/mac/"
22 # define ICON_PREFIX ":/icons/"
25 BookView::BookView(QWidget *parent):
26 QWebView(parent), contentIndex(-1), mBook(0),
27 restorePositionAfterLoad(false), positionAfterLoad(0), loaded(false),
28 contentsHeight(0), scrollerMonitor(-1)
30 Trace t("BookView::BookView");
31 settings()->setAttribute(QWebSettings::AutoLoadImages, true);
32 settings()->setAttribute(QWebSettings::JavascriptEnabled, true);
33 settings()->setAttribute(QWebSettings::JavaEnabled, false);
34 settings()->setAttribute(QWebSettings::PluginsEnabled, false);
35 settings()->setAttribute(QWebSettings::PrivateBrowsingEnabled, true);
36 settings()->setAttribute(QWebSettings::JavascriptCanOpenWindows, false);
37 settings()->setAttribute(QWebSettings::JavascriptCanAccessClipboard, false);
38 settings()->setAttribute(QWebSettings::OfflineStorageDatabaseEnabled, false);
39 settings()->setAttribute(QWebSettings::OfflineWebApplicationCacheEnabled,
41 settings()->setAttribute(QWebSettings::LocalStorageEnabled, false);
42 settings()->setAttribute(QWebSettings::ZoomTextOnly, true);
43 settings()->setAttribute(QWebSettings::LocalContentCanAccessRemoteUrls,
45 settings()->setDefaultTextEncoding("utf-8");
46 page()->setContentEditable(false);
48 #if defined(Q_WS_MAEMO_5)
49 // Suppress unwanted text selections on Maemo
50 installEventFilter(this);
52 QWebFrame *frame = page()->mainFrame();
53 #if defined(Q_WS_MAEMO_5)
54 frame->setScrollBarPolicy(Qt::Vertical, Qt::ScrollBarAlwaysOff);
56 frame->setScrollBarPolicy(Qt::Horizontal, Qt::ScrollBarAlwaysOff);
58 bookmarkImage = QImage(":/icons/bookmark.png");
60 connect(this, SIGNAL(loadFinished(bool)), this, SLOT(onLoadFinished(bool)));
61 connect(frame, SIGNAL(javaScriptWindowObjectCleared()),
62 this, SLOT(addJavaScriptObjects()));
63 connect(frame, SIGNAL(contentsSizeChanged(const QSize &)),
64 this, SLOT(onContentsSizeChanged(const QSize &)));
65 connect(Settings::instance(), SIGNAL(valueChanged(const QString &)),
66 this, SLOT(onSettingsChanged(const QString &)));
67 Settings *s = Settings::instance();
68 s->setValue("zoom", s->value("zoom", 160));
69 s->setValue("font", s->value("font",
70 #if defined(Q_WS_MAEMO_5) || defined(Q_WS_X11)
72 #elif defined(Q_WS_MAC)
78 s->setValue("scheme", s->value("scheme", "default"));
82 scroller = property("kineticScroller").value<QAbstractKineticScroller *>();
88 Trace t("BookView::~BookView");
91 void BookView::loadContent(int index)
93 Trace t("BookView::loadContent");
97 if ((index < 0) || (index >= mBook->parts.size())) {
101 QString contentFile(mBook->content[mBook->parts[index]].href);
102 if (mBook->parts[index] == "error") {
103 setHtml(contentFile);
107 emit partLoadStart(index);
108 QUrl u = QUrl::fromLocalFile(QDir(mBook->rootPath()).
109 absoluteFilePath(contentFile));
110 qDebug() << "Loading" << u;
113 contentIndex = index;
116 void BookView::setBook(Book *book)
118 Trace t("BookView::setBook");
120 // Save position in current book
123 // Open new book, restore last position
129 restoreLastBookmark();
133 setHtml(tr("Failed to open book"));
138 setHtml(tr("No book"));
143 Book *BookView::book()
148 void BookView::goPrevious()
150 Trace t("BookView::goPrevious");
151 if (mBook && (contentIndex > 0)) {
152 mBook->setLastBookmark(contentIndex - 1, 0);
153 loadContent(contentIndex - 1);
157 void BookView::goNext()
159 Trace t("BookView::goNext");
160 if (mBook && (contentIndex < (mBook->parts.size() - 1))) {
161 mBook->setLastBookmark(contentIndex + 1, 0);
162 loadContent(contentIndex + 1);
166 void BookView::setLastBookmark()
168 Trace t("BookView::setLastBookmark");
170 int height = contentsHeight;
171 int pos = page()->mainFrame()->scrollPosition().y();
172 qDebug() << QString("At %1 (%2%, height %3)").
173 arg(pos).arg((qreal)pos / (qreal)height * 100).arg(height);
174 mBook->setLastBookmark(contentIndex, (qreal)pos / (qreal)height);
178 void BookView::restoreLastBookmark()
180 Trace t("BookView::restoreLastBookmark");
182 goToBookmark(mBook->lastBookmark());
186 void BookView::goToBookmark(const Book::Bookmark &bookmark)
188 Trace t("BookView::goToBookmark");
190 if (bookmark.part != contentIndex) {
191 qDebug () << "Loading new part" << bookmark.part;
192 mBook->setLastBookmark(bookmark.part, bookmark.pos);
193 restorePositionAfterLoad = true;
194 positionAfterLoad = bookmark.pos;
195 loadContent(bookmark.part);
197 goToPosition(bookmark.pos);
202 void BookView::onLoadFinished(bool ok)
204 Trace t("BookView::onLoadFinished");
206 qDebug() << "Not OK";
210 onSettingsChanged("scheme");
211 emit partLoadEnd(contentIndex);
215 void BookView::onSettingsChanged(const QString &key)
217 Trace t("BookView::onSettingsChanged " + key);
219 setZoomFactor(Settings::instance()->value(key).toFloat() / 100.);
221 else if (key == "font") {
222 QString face = Settings::instance()->value("font").toString();
223 settings()->setFontFamily(QWebSettings::StandardFont, face);
225 else if (key == "scheme") {
226 QWebFrame *frame = page()->mainFrame();
227 QString scheme = Settings::instance()->value("scheme").toString();
228 if ((scheme != "day") && (scheme != "night") && (scheme != "sand") &&
229 (scheme != "default")) {
232 QFile script(":/styles/" + scheme + ".js");
233 script.open(QFile::ReadOnly);
234 QString scriptText = script.readAll();
236 QVariant ret = frame->evaluateJavaScript(scriptText);
240 void BookView::paintEvent(QPaintEvent *e)
242 QWebView::paintEvent(e);
243 if (!mBook || !loaded) {
248 QPoint scrollPos = page()->mainFrame()->scrollPosition();
249 QPixmap bookmarkPixmap = QPixmap::fromImage(bookmarkImage);
250 QPainter painter(this);
251 foreach (Book::Bookmark b, mBook->bookmarks()) {
252 if (b.part != contentIndex) {
255 int height = contentsHeight;
256 int bookmarkPos = (int)((qreal)height * (qreal)b.pos);
257 painter.drawPixmap(2, bookmarkPos - scrollPos.y(), bookmarkPixmap);
261 void BookView::mousePressEvent(QMouseEvent *e)
263 QWebView::mousePressEvent(e);
265 // Start monitoring kinetic scroll
267 scrollerMonitor = startTimer(250);
270 // Handle mouse presses on the scroll bar
271 QWebFrame *frame = page()->mainFrame();
272 if (frame->scrollBarGeometry(Qt::Vertical).contains(e->pos())) {
276 #endif // Q_WS_MAEMO_5
280 void BookView::wheelEvent(QWheelEvent *e)
282 QWebView::wheelEvent(e);
286 void BookView::addBookmark()
288 Trace t("BookView::addBookmark");
292 int y = page()->mainFrame()->scrollPosition().y();
293 int height = page()->mainFrame()->contentsSize().height();
294 qDebug() << ((qreal)y / (qreal)height);
295 mBook->addBookmark(contentIndex, (qreal)y / (qreal)height);
299 QString BookView::tmpPath()
301 return QDir::tempPath() + "/dorian";
304 bool BookView::eventFilter(QObject *o, QEvent *e)
306 if (e->type() != QEvent::Paint && e->type() != QEvent::MouseMove) {
307 if (e->type() == QEvent::Resize) {
308 qDebug() << "BookView::eventFilter QEvent::Resize to"
309 << page()->mainFrame()->contentsSize().height();
311 qDebug() << "BookView::eventFilter" << Trace::event(e->type());
315 // Work around Qt bug that sometimes selects web view contents during swipe
317 case QEvent::MouseButtonPress:
318 emit suppressedMouseButtonPress();
321 case QEvent::MouseButtonRelease:
323 mousePressed = false;
325 case QEvent::MouseMove:
330 case QEvent::MouseButtonDblClick:
336 return QObject::eventFilter(o, e);
339 void BookView::addJavaScriptObjects()
341 page()->mainFrame()->addToJavaScriptWindowObject("bv", this);
344 void BookView::onContentsSizeChanged(const QSize &size)
346 contentsHeight = size.height();
347 if (restorePositionAfterLoad) {
348 qDebug() << "BookView::onContentSizeChanged: Time to restore";
349 restorePositionAfterLoad = false;
350 goToPosition(positionAfterLoad);
354 void BookView::leaveEvent(QEvent *e)
356 Trace t("BookView::leaveEvent");
357 // Save current position, to be restored later
359 QWebView::leaveEvent(e);
362 void BookView::enterEvent(QEvent *e)
364 Trace t("BookView::enterEvent");
365 // Restore position saved at Leave event. This seems to be required,
366 // after temporarily switching from portrait to landscape and back
367 restoreLastBookmark();
368 QWebView::enterEvent(e);
371 void BookView::goToPosition(qreal position)
373 int scrollPos = (int)((qreal)contentsHeight * position);
374 page()->mainFrame()->setScrollPosition(QPoint(0, scrollPos));
376 qDebug() << "BookView::goToPosition: To" << scrollPos << "("
377 << (position * 100) << "%, height" << contentsHeight << ")";
380 void BookView::showProgress()
383 qreal pos = (qreal)(page()->mainFrame()->scrollPosition().y()) /
384 (qreal)contentsHeight;
385 emit progress(mBook->getProgress(contentIndex, pos));
389 void BookView::timerEvent(QTimerEvent *e)
391 if (e->timerId() == scrollerMonitor) {
394 ((scroller->state() == QAbstractKineticScroller::AutoScrolling) ||
395 (scroller->state() == QAbstractKineticScroller::Pushing))) {
398 killTimer(scrollerMonitor);
400 #endif // Q_WS_MAEMO_5
404 void BookView::keyPressEvent(QKeyEvent* event)
406 switch (event->key()) {
418 QWebView::keyPressEvent(event);
421 void BookView::goPreviousPage()
423 QWebFrame *frame = page()->mainFrame();
424 int pos = frame->scrollPosition().y();
425 frame->scroll(0, -height());
426 if (pos == frame->scrollPosition().y()) {
427 if (contentIndex > 0) {
428 Book::Bookmark bookmark(contentIndex - 1, 1.0);
429 mBook->setLastBookmark(contentIndex - 1, 1.0);
430 goToBookmark(bookmark);
437 void BookView::goNextPage()
439 Trace t("BookView::goNextPage");
440 QWebFrame *frame = page()->mainFrame();
441 int pos = frame->scrollPosition().y();
442 frame->scroll(0, height());
443 if (pos == frame->scrollPosition().y()) {