#include <QDir>
#include <QTimer>
+#ifdef Q_WS_MAEMO_5
+# include <QAbstractKineticScroller>
+#endif
+
#include "book.h"
#include "bookview.h"
#include "library.h"
-#include "selectionsuppressor.h"
#include "settings.h"
#include "trace.h"
+#include "progress.h"
#ifdef Q_WS_MAC
# define ICON_PREFIX ":/icons/mac/"
#endif
BookView::BookView(QWidget *parent):
- QWebView(parent), contentIndex(-1), mBook(0), restore(true),
- positionAfterLoad(0), loaded(false)
+ QWebView(parent), contentIndex(-1), mBook(0),
+ restorePositionAfterLoad(false), positionAfterLoad(0), loaded(false),
+ contentsHeight(0), decorated(false), scrollerMonitor(-1)
{
Trace t("BookView::BookView");
settings()->setAttribute(QWebSettings::AutoLoadImages, true);
settings()->setAttribute(QWebSettings::JavascriptEnabled, true);
+ settings()->setAttribute(QWebSettings::JavaEnabled, false);
settings()->setAttribute(QWebSettings::PluginsEnabled, false);
+ settings()->setAttribute(QWebSettings::PrivateBrowsingEnabled, true);
+ settings()->setAttribute(QWebSettings::JavascriptCanOpenWindows, false);
+ settings()->setAttribute(QWebSettings::JavascriptCanAccessClipboard, false);
+ settings()->setAttribute(QWebSettings::OfflineStorageDatabaseEnabled, false);
+ settings()->setAttribute(QWebSettings::OfflineWebApplicationCacheEnabled,
+ false);
+ settings()->setAttribute(QWebSettings::LocalStorageEnabled, false);
settings()->setAttribute(QWebSettings::ZoomTextOnly, true);
settings()->setAttribute(QWebSettings::LocalContentCanAccessRemoteUrls,
false);
+ settings()->setDefaultTextEncoding("utf-8");
page()->setContentEditable(false);
#if defined(Q_WS_MAEMO_5)
- (void)new SelectionSuppressor(this);
+ // Suppress unwanted text selections on Maemo
+ installEventFilter(this);
#endif
QWebFrame *frame = page()->mainFrame();
#if defined(Q_WS_MAEMO_5)
bookmarkImage = QImage(":/icons/bookmark.png");
connect(this, SIGNAL(loadFinished(bool)), this, SLOT(onLoadFinished(bool)));
+ connect(frame, SIGNAL(javaScriptWindowObjectCleared()),
+ this, SLOT(addJavaScriptObjects()));
+ connect(frame, SIGNAL(contentsSizeChanged(const QSize &)),
+ this, SLOT(onContentsSizeChanged(const QSize &)));
connect(Settings::instance(), SIGNAL(valueChanged(const QString &)),
this, SLOT(onSettingsChanged(const QString &)));
Settings *s = Settings::instance();
setBook(0);
extractIcons();
+#ifdef Q_WS_MAEMO_5
+ scroller = property("kineticScroller").value<QAbstractKineticScroller *>();
+#endif
}
BookView::~BookView()
if (!mBook) {
return;
}
- if ((index < 0) || (index >= mBook->toc.size())) {
+ if ((index < 0) || (index >= mBook->parts.size())) {
return;
}
- QString contentFile(mBook->content[mBook->toc[index]].href);
- if (mBook->toc[index] == "error") {
+ QString contentFile(mBook->content[mBook->parts[index]].href);
+ if (mBook->parts[index] == "error") {
setHtml(contentFile);
}
else {
loaded = false;
- emit chapterLoadStart(index);
+ decorated = false;
+ emit partLoadStart(index);
load(QUrl(contentFile));
}
contentIndex = index;
void BookView::setBook(Book *book)
{
Trace t("BookView::setBook");
+
+ // Save position in current book
setLastBookmark();
+
+ // Open new book, restore last position
if (book != mBook) {
mBook = book;
if (book) {
contentIndex = -1;
- book->open();
- goToBookmark(book->lastBookmark());
+ if (book->open()) {
+ restoreLastBookmark();
+ } else {
+ mBook = 0;
+ contentIndex = 0;
+ setHtml(tr("Failed to open book"));
+ }
}
else {
contentIndex = 0;
void BookView::setLastBookmark()
{
- Trace t("BookView::saveLastBookmark");
+ Trace t("BookView::setLastBookmark");
if (mBook) {
- int height = page()->mainFrame()->contentsSize().height();
+ int height = contentsHeight;
int pos = page()->mainFrame()->scrollPosition().y();
+ t.trace(QString("At %1 (%2%, height %3)").
+ arg(pos).arg((qreal)pos / (qreal)height * 100).arg(height));
mBook->setLastBookmark(contentIndex, (qreal)pos / (qreal)height);
}
}
+void BookView::restoreLastBookmark()
+{
+ Trace t("BookView::restoreLastBookmark");
+ if (mBook) {
+ goToBookmark(mBook->lastBookmark());
+ }
+}
+
void BookView::goToBookmark(const Book::Bookmark &bookmark)
{
Trace t("BookView::goToBookmark");
if (mBook) {
- restore = true;
- positionAfterLoad = bookmark.pos;
- if (bookmark.chapter != contentIndex) {
- loadContent(bookmark.chapter);
+ if (bookmark.part != contentIndex) {
+ t.trace(QString("Loading new part %1").arg(bookmark.part));
+ mBook->setLastBookmark(bookmark.part, bookmark.pos);
+ restorePositionAfterLoad = true;
+ positionAfterLoad = bookmark.pos;
+ loadContent(bookmark.part);
} else {
- onLoadFinished(true);
+ goToPosition(bookmark.pos);
}
}
}
void BookView::onLoadFinished(bool ok)
{
- Trace t(QString("BookView::onLoadFinished: %1").arg(ok));
- loaded = true;
- if (ok) {
- addNavigationBar();
+ Trace t("BookView::onLoadFinished");
+ if (!ok) {
+ t.trace("Not OK");
+ return;
}
+ loaded = true;
+ addNavigationBar();
onSettingsChanged("scheme");
- emit chapterLoadEnd(contentIndex);
- if (restore) {
- restore = false;
- if (ok && mBook) {
- int height = page()->mainFrame()->contentsSize().height();
- int scrollPos = (qreal)height * positionAfterLoad;
- page()->mainFrame()->setScrollPosition(QPoint(0, scrollPos));
- }
- }
+ emit partLoadEnd(contentIndex);
+ showProgress();
}
void BookView::onSettingsChanged(const QString &key)
QPixmap bookmarkPixmap = QPixmap::fromImage(bookmarkImage);
QPainter painter(this);
foreach (Book::Bookmark b, mBook->bookmarks()) {
- if (b.chapter != contentIndex) {
+ if (b.part != contentIndex) {
continue;
}
- int height = page()->mainFrame()->contentsSize().height();
+ int height = contentsHeight;
int bookmarkPos = (qreal)height * (qreal)b.pos;
painter.drawPixmap(2, bookmarkPos - scrollPos.y(), bookmarkPixmap);
}
void BookView::mousePressEvent(QMouseEvent *e)
{
QWebView::mousePressEvent(e);
-#ifndef Q_WS_MAEMO_5
+#ifdef Q_WS_MAEMO_5
+ if (scroller) {
+ scrollerMonitor = startTimer(250);
+ }
+#else
QWebFrame *frame = page()->mainFrame();
if (frame->scrollBarGeometry(Qt::Vertical).contains(e->pos())) {
e->accept();
e->ignore();
}
+void BookView::wheelEvent(QWheelEvent *e)
+{
+ QWebView::wheelEvent(e);
+ showProgress();
+}
+
void BookView::addBookmark()
{
Trace t("BookView::addBookmark");
+ if (!mBook) {
+ return;
+ }
int y = page()->mainFrame()->scrollPosition().y();
int height = page()->mainFrame()->contentsSize().height();
t.trace(QString().setNum((qreal)y / (qreal)height));
mBook->addBookmark(contentIndex, (qreal)y / (qreal)height);
- repaint();
+ update();
}
void BookView::addNavigationBar()
if (contentIndex == 0) {
naviPrev = "";
}
- if (contentIndex >= mBook->toc.size() - 1) {
+ if (contentIndex >= mBook->parts.size() - 1) {
naviNext = "";
}
QWebFrame *frame = page()->currentFrame();
- frame->addToJavaScriptWindowObject("bv", this);
QString headerScript = "document.body.innerHTML = '" +
naviPrev + naviNext + "<br />" + "' + document.body.innerHTML;";
QString trailerScript = "document.body.innerHTML += '<br /><br />" +
frame->evaluateJavaScript(headerScript);
frame->evaluateJavaScript(trailerScript);
+ decorated = true;
}
QString BookView::tmpPath()
QFile(ICON_PREFIX + QString("/previous.png")).remove();
QDir().rmpath(tmpPath());
}
+
+bool BookView::eventFilter(QObject *o, QEvent *e)
+{
+ if (e->type() != QEvent::Paint && e->type() != QEvent::MouseMove) {
+ if (e->type() == QEvent::Resize) {
+ Trace::trace(QString("BookView::eventFilter QEvent::Resize to %1").
+ arg(page()->mainFrame()->contentsSize().height()));
+ } else {
+ Trace::trace(QString("BookView::eventFilter %1").
+ arg(Trace::event(e->type())));
+ }
+ }
+
+ switch (e->type()) {
+ case QEvent::MouseButtonPress:
+ emit suppressedMouseButtonPress();
+ mousePressed = true;
+ break;
+ case QEvent::MouseButtonRelease:
+ showProgress();
+ mousePressed = false;
+ break;
+ case QEvent::MouseMove:
+ if (mousePressed) {
+ return true;
+ }
+ break;
+ case QEvent::MouseButtonDblClick:
+ return true;
+ default:
+ break;
+ }
+
+ return QObject::eventFilter(o, e);
+}
+
+void BookView::addJavaScriptObjects()
+{
+ page()->mainFrame()->addToJavaScriptWindowObject("bv", this);
+}
+
+void BookView::onContentsSizeChanged(const QSize &size)
+{
+ contentsHeight = size.height();
+ if (decorated) {
+ if (restorePositionAfterLoad) {
+ Trace::trace("BookView::onContentSizeChanged: Time to restore");
+ restorePositionAfterLoad = false;
+ goToPosition(positionAfterLoad);
+ }
+ }
+}
+
+void BookView::leaveEvent(QEvent *e)
+{
+ Trace t("BookView::leaveEvent");
+ // Save current position, to be restored later
+ setLastBookmark();
+ QWebView::leaveEvent(e);
+}
+
+void BookView::enterEvent(QEvent *e)
+{
+ Trace t("BookView::enterEvent");
+ // Restore position saved at Leave event. This seems to be required,
+ // after temporarily switching from portrait to landscape and back
+ restoreLastBookmark();
+ QWebView::enterEvent(e);
+}
+
+void BookView::goToPosition(qreal position)
+{
+ int scrollPos = (qreal)contentsHeight * position;
+ page()->mainFrame()->setScrollPosition(QPoint(0, scrollPos));
+ // FIXME: update();
+ Trace::trace(QString("BookView::goToPosition: To %1 (%2%, height %3)").
+ arg(scrollPos).arg(position * 100).arg(contentsHeight));
+}
+
+void BookView::showProgress()
+{
+ if (mBook) {
+ qreal pos = (qreal)(page()->mainFrame()->scrollPosition().y()) /
+ (qreal)contentsHeight;
+ emit progress(mBook->getProgress(contentIndex, pos));
+ }
+}
+
+void BookView::timerEvent(QTimerEvent *e)
+{
+ if (e->timerId() == scrollerMonitor) {
+#ifdef Q_WS_MAEMO_5
+ if (scroller &&
+ ((scroller->state() == QAbstractKineticScroller::AutoScrolling) ||
+ (scroller->state() == QAbstractKineticScroller::Pushing))) {
+ showProgress();
+ } else {
+ killTimer(scrollerMonitor);
+ }
+#endif // Q_WS_MAEMO_5
+ }
+}
+
+void BookView::keyPressEvent(QKeyEvent* event)
+{
+ switch (event->key()) {
+ case Qt::Key_F7:
+ goNextPage();
+ event->accept();
+ break;
+ case Qt::Key_F8:
+ goPreviousPage();
+ event->accept();
+ break;
+ default:
+ ;
+ }
+ QWebView::keyPressEvent(event);
+}
+
+void BookView::goPreviousPage()
+{
+ QWebFrame *frame = page()->mainFrame();
+ int pos = frame->scrollPosition().y();
+ frame->scroll(0, -height());
+ if (pos == frame->scrollPosition().y()) {
+ if (contentIndex > 0) {
+ goToBookmark(Book::Bookmark(contentIndex - 1, 1.0));
+ }
+ } else {
+ showProgress();
+ }
+}
+
+void BookView::goNextPage()
+{
+ Trace t("BookView::goNextPage");
+ QWebFrame *frame = page()->mainFrame();
+ int pos = frame->scrollPosition().y();
+ frame->scroll(0, height());
+ if (pos == frame->scrollPosition().y()) {
+ goNext();
+ } else {
+ showProgress();
+ }
+}
projects / dorian / blobdiff