yetangitu/FBReaderJ
1
0
Fork 0
mirror of https://github.com/geometer/FBReaderJ.git synced 2025-10-04 10:19:33 +02:00
Code Issues Releases Wiki Activity

code simplification

Browse source
This commit is contained in:
Nikolay Pultsin 2011-04-13 03:51:45 +01:00
parent faf3a1a8d5
commit 3495a3a7da
4 changed files with 31 additions and 32 deletions
Download patch file Download diff file Expand all files Collapse all files

3
src/org/geometerplus/fbreader/fbreader/FBView.java
View file

@ -184,6 +184,7 @@ public final class FBView extends ZLTextView {
private synchronized void runAutoScrolling(int x, int y) {
final boolean horizontal = ScrollingPreferences.Instance().HorizontalOption.getValue();
final Direction direction = horizontal ? Direction.rightToLeft : Direction.up;
final int diff = horizontal ? x - myStartX : y - myStartY;
final int h = myContext.getHeight();
final int w = myContext.getWidth();
@ -194,7 +195,7 @@ public final class FBView extends ZLTextView {
Math.abs(diff) < minDiff
? PageIndex.current
: (diff < 0 ? PageIndex.next : PageIndex.previous);
myReader.startViewAutoScrolling(pageIndex, horizontal ? Direction.rightToLeft : Direction.up, ScrollingPreferences.Instance().AnimationSpeedOption.getValue());
myReader.startViewAutoScrolling(pageIndex, direction, x, y, ScrollingPreferences.Instance().AnimationSpeedOption.getValue());
}
public boolean onFingerRelease(int x, int y) {

3
src/org/geometerplus/zlibrary/core/view/ZLView.java
View file

@ -121,6 +121,5 @@ abstract public class ZLView {
public abstract int getScrollbarThumbPosition(PageIndex pageIndex);
public abstract int getScrollbarThumbLength(PageIndex pageIndex);
public abstract boolean canScrollForward();
public abstract boolean canScrollBackward();
public abstract boolean canScroll(PageIndex index);
}

14
src/org/geometerplus/zlibrary/text/view/ZLTextView.java
View file

@ -1436,20 +1436,26 @@ public abstract class ZLTextView extends ZLTextViewBase {
}
@Override
public boolean canScrollForward() {
public boolean canScroll(PageIndex index) {
switch (index) {
default:
return true;
case next:
{
final ZLTextWordCursor cursor = getEndCursor();
return
cursor != null &&
!cursor.isNull() &&
(!cursor.isEndOfParagraph() || !cursor.getParagraphCursor().isLast());
}
@Override
public boolean canScrollBackward() {
case previous:
{
final ZLTextWordCursor cursor = getStartCursor();
return
cursor != null &&
!cursor.isNull() &&
(!cursor.isStartOfParagraph() || !cursor.getParagraphCursor().isFirst());
}
}
}
}

19
src/org/geometerplus/zlibrary/ui/android/view/ZLAndroidWidget.java
View file

@ -155,15 +155,9 @@ public class ZLAndroidWidget extends View implements View.OnLongClickListener {
public void scrollManually(int startX, int startY, int endX, int endY, ZLView.Direction direction) {
final ZLView view = ZLApplication.Instance().getCurrentView();
final int diff = direction.IsHorizontal ? endX - startX : endY - startY;
if (diff >= 0) {
if (!view.canScrollBackward()) {
if (!view.canScroll(diff >= 0 ? ZLView.PageIndex.previous : ZLView.PageIndex.next)) {
return;
}
} else {
if (!view.canScrollForward()) {
return;
}
}
final AnimationProvider animator = getAnimationProvider();
if (!animator.inProgress()) {
@ -182,6 +176,11 @@ public class ZLAndroidWidget extends View implements View.OnLongClickListener {
final AnimationProvider animator = getAnimationProvider();
final int w = getWidth();
final int h = getMainAreaHeight();
if (!view.canScroll(pageIndex)) {
return;
}
switch (pageIndex) {
case current:
switch (animator.getPageToScrollTo()) {
@ -197,15 +196,9 @@ public class ZLAndroidWidget extends View implements View.OnLongClickListener {
}
break;
case previous:
if (!view.canScrollBackward()) {
return;
}
animator.startAutoScrolling(true, 3, direction, w, h, x, y, speed);
break;
case next:
if (!view.canScrollForward()) {
return;
}
animator.startAutoScrolling(true, -3, direction, w, h, x, y, speed);
break;
}