Navigate with volume keys.

[dorian] / bookview.cpp

diff --git a/bookview.cpp b/bookview.cpp
index 44bdc48..59c0949 100644 (file)
--- a/bookview.cpp
+++ b/bookview.cpp
@@ -5,11 +5,16 @@
 #include <QDir>
 #include <QTimer>
 
+#ifdef Q_WS_MAEMO_5
+#   include <QAbstractKineticScroller>
+#endif
+
 #include "book.h"
 #include "bookview.h"
 #include "library.h"
 #include "settings.h"
 #include "trace.h"
+#include "progress.h"
 
 #ifdef Q_WS_MAC
 #   define ICON_PREFIX ":/icons/mac/"
@@ -18,8 +23,9 @@
 #endif
 
 BookView::BookView(QWidget *parent):
-    QWebView(parent), contentIndex(-1), mBook(0), restorePositionAfterLoad(false),
-    positionAfterLoad(0), loaded(false), contentsHeight(0), decorated(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);
@@ -30,7 +36,8 @@ BookView::BookView(QWidget *parent):
     settings()->setAttribute(QWebSettings::JavascriptCanOpenWindows, false);
     settings()->setAttribute(QWebSettings::JavascriptCanAccessClipboard, false);
     settings()->setAttribute(QWebSettings::OfflineStorageDatabaseEnabled, false);
-    settings()->setAttribute(QWebSettings::OfflineWebApplicationCacheEnabled, false);
+    settings()->setAttribute(QWebSettings::OfflineWebApplicationCacheEnabled,
+                             false);
     settings()->setAttribute(QWebSettings::LocalStorageEnabled, false);
     settings()->setAttribute(QWebSettings::ZoomTextOnly, true);
     settings()->setAttribute(QWebSettings::LocalContentCanAccessRemoteUrls,
@@ -72,6 +79,9 @@ BookView::BookView(QWidget *parent):
     setBook(0);
 
     extractIcons();
+#ifdef Q_WS_MAEMO_5
+    scroller = property("kineticScroller").value<QAbstractKineticScroller *>();
+#endif
 }
 
 BookView::~BookView()
@@ -86,18 +96,18 @@ void BookView::loadContent(int index)
     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;
         decorated = false;
-        emit chapterLoadStart(index);
+        emit partLoadStart(index);
         load(QUrl(contentFile));
     }
     contentIndex = index;
@@ -115,8 +125,13 @@ void BookView::setBook(Book *book)
         mBook = book;
         if (book) {
             contentIndex = -1;
-            book->open();
-            restoreLastBookmark();
+            if (book->open()) {
+                restoreLastBookmark();
+            } else {
+                mBook = 0;
+                contentIndex = 0;
+                setHtml(tr("Failed to open book"));
+            }
         }
         else {
             contentIndex = 0;
@@ -166,11 +181,12 @@ void BookView::goToBookmark(const Book::Bookmark &bookmark)
 {
     Trace t("BookView::goToBookmark");
     if (mBook) {
-        if (bookmark.chapter != contentIndex) {
-            t.trace(QString("Loading new chapter %1").arg(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.chapter);
+            loadContent(bookmark.part);
         } else {
             goToPosition(bookmark.pos);
         }
@@ -187,7 +203,8 @@ void BookView::onLoadFinished(bool ok)
     loaded = true;
     addNavigationBar();
     onSettingsChanged("scheme");
-    emit chapterLoadEnd(contentIndex);
+    emit partLoadEnd(contentIndex);
+    showProgress();
 }
 
 void BookView::onSettingsChanged(const QString &key)
@@ -227,7 +244,7 @@ void BookView::paintEvent(QPaintEvent *e)
     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 = contentsHeight;
@@ -239,7 +256,11 @@ void BookView::paintEvent(QPaintEvent *e)
 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();
@@ -249,9 +270,18 @@ void BookView::mousePressEvent(QMouseEvent *e)
     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));
@@ -283,7 +313,7 @@ void BookView::addNavigationBar()
     if (contentIndex == 0) {
         naviPrev = "";
     }
-    if (contentIndex >= mBook->toc.size() - 1) {
+    if (contentIndex >= mBook->parts.size() - 1) {
         naviNext = "";
     }
 
@@ -322,17 +352,15 @@ void BookView::removeIcons()
 
 bool BookView::eventFilter(QObject *o, QEvent *e)
 {
-#if 0
     if (e->type() != QEvent::Paint && e->type() != QEvent::MouseMove) {
         if (e->type() == QEvent::Resize) {
-            Trace::debug(QString("BookView::eventFilter QEvent::Resize to %1").
+            Trace::trace(QString("BookView::eventFilter QEvent::Resize to %1").
                          arg(page()->mainFrame()->contentsSize().height()));
         } else {
-            Trace::debug(QString("BookView::eventFilter %1").
+            Trace::trace(QString("BookView::eventFilter %1").
                          arg(Trace::event(e->type())));
         }
     }
-#endif
 
     switch (e->type()) {
     case QEvent::MouseButtonPress:
@@ -340,6 +368,7 @@ bool BookView::eventFilter(QObject *o, QEvent *e)
         mousePressed = true;
         break;
     case QEvent::MouseButtonRelease:
+        showProgress();
         mousePressed = false;
         break;
     case QEvent::MouseMove:
@@ -366,7 +395,7 @@ void BookView::onContentsSizeChanged(const QSize &size)
     contentsHeight = size.height();
     if (decorated) {
         if (restorePositionAfterLoad) {
-            Trace::debug("BookView::onContentSizeChanged: Time to restore");
+            Trace::trace("BookView::onContentSizeChanged: Time to restore");
             restorePositionAfterLoad = false;
             goToPosition(positionAfterLoad);
         }
@@ -395,6 +424,74 @@ void BookView::goToPosition(qreal position)
     int scrollPos = (qreal)contentsHeight * position;
     page()->mainFrame()->setScrollPosition(QPoint(0, scrollPos));
     // FIXME: update();
-    Trace::debug(QString("BookView::goToPosition: To %1 (%2%, height %3)").
+    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();
+    }
+}