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 load(QUrl(contentFile));
110 contentIndex = index;
113 void BookView::setBook(Book *book)
115 Trace t("BookView::setBook");
117 // Save position in current book
120 // Open new book, restore last position
126 restoreLastBookmark();
130 setHtml(tr("Failed to open book"));
135 setHtml(tr("No book"));
140 Book *BookView::book()
145 void BookView::goPrevious()
147 Trace t("BookView::goPrevious");
148 if (mBook && (contentIndex > 0)) {
149 mBook->setLastBookmark(contentIndex - 1, 0);
150 loadContent(contentIndex - 1);
154 void BookView::goNext()
156 Trace t("BookView::goNext");
157 if (mBook && (contentIndex < (mBook->parts.size() - 1))) {
158 mBook->setLastBookmark(contentIndex + 1, 0);
159 loadContent(contentIndex + 1);
163 void BookView::setLastBookmark()
165 Trace t("BookView::setLastBookmark");
167 int height = contentsHeight;
168 int pos = page()->mainFrame()->scrollPosition().y();
169 qDebug() << QString("At %1 (%2%, height %3)").
170 arg(pos).arg((qreal)pos / (qreal)height * 100).arg(height);
171 mBook->setLastBookmark(contentIndex, (qreal)pos / (qreal)height);
175 void BookView::restoreLastBookmark()
177 Trace t("BookView::restoreLastBookmark");
179 goToBookmark(mBook->lastBookmark());
183 void BookView::goToBookmark(const Book::Bookmark &bookmark)
185 Trace t("BookView::goToBookmark");
187 if (bookmark.part != contentIndex) {
188 qDebug () << "Loading new part" << bookmark.part;
189 mBook->setLastBookmark(bookmark.part, bookmark.pos);
190 restorePositionAfterLoad = true;
191 positionAfterLoad = bookmark.pos;
192 loadContent(bookmark.part);
194 goToPosition(bookmark.pos);
199 void BookView::onLoadFinished(bool ok)
201 Trace t("BookView::onLoadFinished");
203 qDebug() << "Not OK";
207 onSettingsChanged("scheme");
208 emit partLoadEnd(contentIndex);
212 void BookView::onSettingsChanged(const QString &key)
214 Trace t("BookView::onSettingsChanged " + key);
216 setZoomFactor(Settings::instance()->value(key).toFloat() / 100.);
218 else if (key == "font") {
219 QString face = Settings::instance()->value("font").toString();
220 settings()->setFontFamily(QWebSettings::StandardFont, face);
222 else if (key == "scheme") {
223 QWebFrame *frame = page()->mainFrame();
224 QString scheme = Settings::instance()->value("scheme").toString();
225 if ((scheme != "day") && (scheme != "night") && (scheme != "sand") &&
226 (scheme != "default")) {
229 QFile script(":/styles/" + scheme + ".js");
230 script.open(QFile::ReadOnly);
231 QString scriptText = script.readAll();
233 QVariant ret = frame->evaluateJavaScript(scriptText);
237 void BookView::paintEvent(QPaintEvent *e)
239 QWebView::paintEvent(e);
240 if (!mBook || !loaded) {
245 QPoint scrollPos = page()->mainFrame()->scrollPosition();
246 QPixmap bookmarkPixmap = QPixmap::fromImage(bookmarkImage);
247 QPainter painter(this);
248 foreach (Book::Bookmark b, mBook->bookmarks()) {
249 if (b.part != contentIndex) {
252 int height = contentsHeight;
253 int bookmarkPos = (qreal)height * (qreal)b.pos;
254 painter.drawPixmap(2, bookmarkPos - scrollPos.y(), bookmarkPixmap);
258 void BookView::mousePressEvent(QMouseEvent *e)
260 QWebView::mousePressEvent(e);
262 // Start monitoring kinetic scroll
264 scrollerMonitor = startTimer(250);
267 // Handle mouse presses on the scroll bar
268 QWebFrame *frame = page()->mainFrame();
269 if (frame->scrollBarGeometry(Qt::Vertical).contains(e->pos())) {
273 #endif // Q_WS_MAEMO_5
277 void BookView::wheelEvent(QWheelEvent *e)
279 QWebView::wheelEvent(e);
283 void BookView::addBookmark()
285 Trace t("BookView::addBookmark");
289 int y = page()->mainFrame()->scrollPosition().y();
290 int height = page()->mainFrame()->contentsSize().height();
291 qDebug() << ((qreal)y / (qreal)height);
292 mBook->addBookmark(contentIndex, (qreal)y / (qreal)height);
296 QString BookView::tmpPath()
298 return QDir::tempPath() + "/dorian";
301 bool BookView::eventFilter(QObject *o, QEvent *e)
303 if (e->type() != QEvent::Paint && e->type() != QEvent::MouseMove) {
304 if (e->type() == QEvent::Resize) {
305 qDebug() << "BookView::eventFilter QEvent::Resize to"
306 << page()->mainFrame()->contentsSize().height();
308 qDebug() << "BookView::eventFilter" << Trace::event(e->type());
312 // Work around Qt bug that sometimes selects web view contents during swipe
314 case QEvent::MouseButtonPress:
315 emit suppressedMouseButtonPress();
318 case QEvent::MouseButtonRelease:
320 mousePressed = false;
322 case QEvent::MouseMove:
327 case QEvent::MouseButtonDblClick:
333 return QObject::eventFilter(o, e);
336 void BookView::addJavaScriptObjects()
338 page()->mainFrame()->addToJavaScriptWindowObject("bv", this);
341 void BookView::onContentsSizeChanged(const QSize &size)
343 contentsHeight = size.height();
344 if (restorePositionAfterLoad) {
345 qDebug() << "BookView::onContentSizeChanged: Time to restore";
346 restorePositionAfterLoad = false;
347 goToPosition(positionAfterLoad);
351 void BookView::leaveEvent(QEvent *e)
353 Trace t("BookView::leaveEvent");
354 // Save current position, to be restored later
356 QWebView::leaveEvent(e);
359 void BookView::enterEvent(QEvent *e)
361 Trace t("BookView::enterEvent");
362 // Restore position saved at Leave event. This seems to be required,
363 // after temporarily switching from portrait to landscape and back
364 restoreLastBookmark();
365 QWebView::enterEvent(e);
368 void BookView::goToPosition(qreal position)
370 int scrollPos = (qreal)contentsHeight * position;
371 page()->mainFrame()->setScrollPosition(QPoint(0, scrollPos));
373 qDebug() << "BookView::goToPosition: To" << scrollPos << "("
374 << (position * 100) << "%, height" << contentsHeight << ")";
377 void BookView::showProgress()
380 qreal pos = (qreal)(page()->mainFrame()->scrollPosition().y()) /
381 (qreal)contentsHeight;
382 emit progress(mBook->getProgress(contentIndex, pos));
386 void BookView::timerEvent(QTimerEvent *e)
388 if (e->timerId() == scrollerMonitor) {
391 ((scroller->state() == QAbstractKineticScroller::AutoScrolling) ||
392 (scroller->state() == QAbstractKineticScroller::Pushing))) {
395 killTimer(scrollerMonitor);
397 #endif // Q_WS_MAEMO_5
401 void BookView::keyPressEvent(QKeyEvent* event)
403 switch (event->key()) {
415 QWebView::keyPressEvent(event);
418 void BookView::goPreviousPage()
420 QWebFrame *frame = page()->mainFrame();
421 int pos = frame->scrollPosition().y();
422 frame->scroll(0, -height());
423 if (pos == frame->scrollPosition().y()) {
424 if (contentIndex > 0) {
425 Book::Bookmark bookmark(contentIndex - 1, 1.0);
426 mBook->setLastBookmark(contentIndex - 1, 1.0);
427 goToBookmark(bookmark);
434 void BookView::goNextPage()
436 Trace t("BookView::goNextPage");
437 QWebFrame *frame = page()->mainFrame();
438 int pos = frame->scrollPosition().y();
439 frame->scroll(0, height());
440 if (pos == frame->scrollPosition().y()) {