package org.ebookdroid.core;
import org.ebookdroid.common.settings.books.BookSettings;
import org.ebookdroid.common.settings.types.DocumentViewMode;
import org.ebookdroid.core.models.DocumentModel.PageIterator;
import org.ebookdroid.ui.viewer.IActivityController;
import org.ebookdroid.ui.viewer.views.DragMark;
import android.graphics.Rect;
import android.graphics.RectF;
public abstract class AbstractScrollController extends AbstractViewController {
protected AbstractScrollController(final IActivityController base, final DocumentViewMode mode) {
super(base, mode);
}
/**
* {@inheritDoc}
*
* @see org.ebookdroid.ui.viewer.IViewController#goToPage(int)
*/
@Override
public final void goToPage(final int toPage) {
new EventGotoPage(this, toPage).process().release();
}
/**
* {@inheritDoc}
*
* @see org.ebookdroid.ui.viewer.IViewController#goToPage(int, float, float)
*/
@Override
public final void goToPage(final int toPage, final float offsetX, final float offsetY) {
new EventGotoPage(this, toPage, offsetX, offsetY).process().release();
}
@Override
public final void drawView(final EventGLDraw eventDraw) {
final ViewState viewState = eventDraw.viewState;
if (viewState.model == null) {
return;
}
final PageIterator pages = viewState.pages.getVisiblePages();
try {
for (final Page page : pages) {
if (page != null) {
eventDraw.process(page);
}
}
} finally {
pages.release();
}
if (eventDraw.viewState.app.showAnimIcon) {
DragMark.DRAG.draw(eventDraw.canvas, viewState);
}
getView().continueScroll();
}
/**
* {@inheritDoc}
*
* @see org.ebookdroid.core.AbstractViewController#onLayoutChanged(boolean, boolean, android.graphics.Rect,
* android.graphics.Rect)
*/
@Override
public final boolean onLayoutChanged(final boolean layoutChanged, final boolean layoutLocked, final Rect oldLaout,
final Rect newLayout) {
final BookSettings bs = base.getBookSettings();
final int page = model != null ? model.getCurrentViewPageIndex() : -1;
final float offsetX = bs != null ? bs.offsetX : 0;
final float offsetY = bs != null ? bs.offsetY : 0;
if (super.onLayoutChanged(layoutChanged, layoutLocked, oldLaout, newLayout)) {
if (isShown && layoutChanged && page != -1) {
goToPage(page, offsetX, offsetY);
}
return true;
}
return false;
}
/**
* {@inheritDoc}
*
* @see org.ebookdroid.ui.viewer.IViewController#onScrollChanged(int, int)
*/
@Override
public final void onScrollChanged(final int dX, final int dY) {
if (inZoom.get()) {
return;
}
EventPool.newEventScroll(this, mode == DocumentViewMode.VERTICALL_SCROLL ? dY : dX).process().release();
}
/**
* {@inheritDoc}
*
* @see org.ebookdroid.ui.viewer.IViewController#isPageVisible(org.ebookdroid.core.Page,
* org.ebookdroid.core.ViewState, android.graphics.RectF)
*/
@Override
public final boolean isPageVisible(final Page page, final ViewState viewState, final RectF outBounds) {
viewState.getBounds(page, outBounds);
return RectF.intersects(viewState.viewRect, outBounds);
}
/**
* {@inheritDoc}
*
* @see org.ebookdroid.ui.viewer.IViewController#pageUpdated(org.ebookdroid.core.ViewState,
* org.ebookdroid.core.Page)
*/
@Override
public void pageUpdated(final ViewState viewState, final Page page) {
}
/**
* {@inheritDoc}
*
* @see org.ebookdroid.ui.viewer.IViewController#updateAnimationType()
*/
@Override
public void updateAnimationType() {
}
}