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Add setPointerShape() to View for customizable pointer icon shape.

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This will be used for window divider (for multi-window mode).
See I40443356f9151f8a8024f6a62517dd74e68fce41

Bug: 24415739
Change-Id: If1cd34cc5253c9f8a50decba90498001093a9db7
This commit is contained in:
Jun Mukai
2015-10-01 23:18:47 -07:00
parent 63afb86381
commit 8480e34ff8
1 changed files with 65 additions and 1 deletions
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66
core/java/android/view/View.java
View File

@@ -2415,6 +2415,7 @@ public class View implements Drawable.Callback, KeyEvent.Callback,
* 1 PFLAG3_SCROLL_INDICATOR_START
* 1 PFLAG3_SCROLL_INDICATOR_END
* 1 PFLAG3_ASSIST_BLOCKED
* 1111111 PFLAG3_POINTER_ICON_MASK
* |-------|-------|-------|-------|
*/
@@ -2610,6 +2611,36 @@ public class View implements Drawable.Callback, KeyEvent.Callback,
*/
static final int PFLAG3_ASSIST_BLOCKED = 0x4000;
/**
* The mask for use with private flags indicating bits used for pointer icon shapes.
*/
static final int PFLAG3_POINTER_ICON_MASK = 0x7f8000;
/**
* Left-shift used for pointer icon shape values in private flags.
*/
static final int PFLAG3_POINTER_ICON_LSHIFT = 15;
/**
* Value indicating {@link PointerIcon.STYLE_NOT_SPECIFIED}.
*/
private static final int PFLAG3_POINTER_ICON_NOT_SPECIFIED = 0 << PFLAG3_POINTER_ICON_LSHIFT;
/**
* Value indicating {@link PointerIcon.STYLE_NULL}.
*/
private static final int PFLAG3_POINTER_ICON_NULL = 1 << PFLAG3_POINTER_ICON_LSHIFT;
/**
* Value incicating {@link PointerIcon.STYLE_CUSTOM}.
*/
private static final int PFLAG3_POINTER_ICON_CUSTOM = 2 << PFLAG3_POINTER_ICON_LSHIFT;
/**
* The base value for other pointer icon shapes.
*/
private static final int PFLAG3_POINTER_ICON_VALUE_START = 3 << PFLAG3_POINTER_ICON_LSHIFT;
/**
* Always allow a user to over-scroll this view, provided it is a
* view that can scroll.
@@ -20997,7 +21028,40 @@ public class View implements Drawable.Callback, KeyEvent.Callback,
/** @hide */
public int getPointerShape(MotionEvent event, float x, float y) {
return PointerIcon.STYLE_NOT_SPECIFIED;
final int value = (mPrivateFlags3 & PFLAG3_POINTER_ICON_MASK);
switch (value) {
case PFLAG3_POINTER_ICON_NOT_SPECIFIED:
return PointerIcon.STYLE_NOT_SPECIFIED;
case PFLAG3_POINTER_ICON_NULL:
return PointerIcon.STYLE_NULL;
case PFLAG3_POINTER_ICON_CUSTOM:
return PointerIcon.STYLE_CUSTOM;
default:
return ((value - PFLAG3_POINTER_ICON_VALUE_START) >> PFLAG3_POINTER_ICON_LSHIFT)
+ PointerIcon.STYLE_ARROW;
}
}
/** @hide */
public void setPointerShape(int pointerShape) {
int newValue;
if (pointerShape == PointerIcon.STYLE_NOT_SPECIFIED) {
newValue = PFLAG3_POINTER_ICON_NOT_SPECIFIED;
} else if (pointerShape == PointerIcon.STYLE_NULL) {
newValue = PFLAG3_POINTER_ICON_NULL;
} else if (pointerShape == PointerIcon.STYLE_CUSTOM) {
newValue = PFLAG3_POINTER_ICON_CUSTOM;
} else if (pointerShape >= PointerIcon.STYLE_ARROW
&& pointerShape <= PointerIcon.STYLE_GRABBING) {
newValue = ((pointerShape - PointerIcon.STYLE_ARROW) << PFLAG3_POINTER_ICON_LSHIFT)
+ PFLAG3_POINTER_ICON_VALUE_START;
} else {
Log.w(VIEW_LOG_TAG, "Invalid pointer shape " + pointerShape + " is specified.");
return;
}
if (newValue != (mPrivateFlags3 & PFLAG3_POINTER_ICON_MASK)) {
mPrivateFlags3 = (mPrivateFlags3 & ~PFLAG3_POINTER_ICON_MASK) | newValue;
}
}
//