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Merge "Added accessors for view overscroll modes"

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This commit is contained in:
Adam Powell
2010-03-05 14:48:06 -08:00
committed by Android (Google) Code Review
parent 43dcdb2ec5 51c5a0c50e
commit 931bf89d32
2 changed files with 101 additions and 3 deletions
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47
core/java/android/view/View.java
View File

@@ -1516,19 +1516,28 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility
/**
* Always allow a user to overscroll this view, provided it is a
* view that can scroll.
*
* @see #getOverscrollMode()
* @see #setOverscrollMode(int)
*/
private static final int OVERSCROLL_ALWAYS = 0;
public static final int OVERSCROLL_ALWAYS = 0;
/**
* Allow a user to overscroll this view only if the content is large
* enough to meaningfully scroll, provided it is a view that can scroll.
*
* @see #getOverscrollMode()
* @see #setOverscrollMode(int)
*/
private static final int OVERSCROLL_IF_CONTENT_SCROLLS = 1;
public static final int OVERSCROLL_IF_CONTENT_SCROLLS = 1;
/**
* Never allow a user to overscroll this view.
*
* @see #getOverscrollMode()
* @see #setOverscrollMode(int)
*/
private static final int OVERSCROLL_NEVER = 2;
public static final int OVERSCROLL_NEVER = 2;
/**
* Controls the overscroll mode for this view.
@@ -8770,6 +8779,38 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility
boolean clampedX, boolean clampedY) {
// Intentionally empty.
}
/**
* Returns the overscroll mode for this view. The result will be
* one of {@link #OVERSCROLL_ALWAYS} (default), {@link #OVERSCROLL_IF_CONTENT_SCROLLS}
* (allow overscrolling only if the view content is larger than the container),
* or {@link #OVERSCROLL_NEVER}.
*
* @return This view's overscroll mode.
*/
public int getOverscrollMode() {
return mOverscrollMode;
}
/**
* Set the overscroll mode for this view. Valid overscroll modes are
* {@link #OVERSCROLL_ALWAYS} (default), {@link #OVERSCROLL_IF_CONTENT_SCROLLS}
* (allow overscrolling only if the view content is larger than the container),
* or {@link #OVERSCROLL_NEVER}.
*
* Setting the overscroll mode of a view will have an effect only if the
* view is capable of scrolling.
*
* @param overscrollMode The new overscroll mode for this view.
*/
public void setOverscrollMode(int overscrollMode) {
if (overscrollMode != OVERSCROLL_ALWAYS &&
overscrollMode != OVERSCROLL_IF_CONTENT_SCROLLS &&
overscrollMode != OVERSCROLL_NEVER) {
throw new IllegalArgumentException("Invalid overscroll mode " + overscrollMode);
}
mOverscrollMode = overscrollMode;
}
/**
* A MeasureSpec encapsulates the layout requirements passed from parent to child.