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Move the drag thing into its own window that goes around on top of everything else.

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This commit is contained in:
Joe Onorato
2009-08-04 16:04:30 -04:00
parent 1772142611
commit 00acb123c5
17 changed files with 838 additions and 679 deletions
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33
src/com/android/launcher2/DropTarget.java
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@@ -30,18 +30,25 @@ public interface DropTarget {
* @param source DragSource where the drag started
* @param x X coordinate of the drop location
* @param y Y coordinate of the drop location
* @param xOffset Horizontal offset with the object being dragged where the original touch happened
* @param yOffset Vertical offset with the object being dragged where the original touch happened
* @param xOffset Horizontal offset with the object being dragged where the original
* touch happened
* @param yOffset Vertical offset with the object being dragged where the original
* touch happened
* @param dragView The DragView that's being dragged around on screen.
* @param dragInfo Data associated with the object being dragged
*
*/
void onDrop(DragSource source, int x, int y, int xOffset, int yOffset, Object dragInfo);
void onDrop(DragSource source, int x, int y, int xOffset, int yOffset,
DragView dragView, Object dragInfo);
void onDragEnter(DragSource source, int x, int y, int xOffset, int yOffset, Object dragInfo);
void onDragEnter(DragSource source, int x, int y, int xOffset, int yOffset,
DragView dragView, Object dragInfo);
void onDragOver(DragSource source, int x, int y, int xOffset, int yOffset, Object dragInfo);
void onDragOver(DragSource source, int x, int y, int xOffset, int yOffset,
DragView dragView, Object dragInfo);
void onDragExit(DragSource source, int x, int y, int xOffset, int yOffset, Object dragInfo);
void onDragExit(DragSource source, int x, int y, int xOffset, int yOffset,
DragView dragView, Object dragInfo);
/**
* Check if a drop action can occur at, or near, the requested location.
@@ -55,10 +62,12 @@ public interface DropTarget {
* original touch happened
* @param yOffset Vertical offset with the object being dragged where the
* original touch happened
* @param dragView The DragView that's being dragged around on screen.
* @param dragInfo Data associated with the object being dragged
* @return True if the drop will be accepted, false otherwise.
*/
boolean acceptDrop(DragSource source, int x, int y, int xOffset, int yOffset, Object dragInfo);
boolean acceptDrop(DragSource source, int x, int y, int xOffset, int yOffset,
DragView dragView, Object dragInfo);
/**
* Estimate the surface area where this object would land if dropped at the
@@ -71,11 +80,19 @@ public interface DropTarget {
* original touch happened
* @param yOffset Vertical offset with the object being dragged where the
* original touch happened
* @param dragView The DragView that's being dragged around on screen.
* @param dragInfo Data associated with the object being dragged
* @param recycle {@link Rect} object to be possibly recycled.
* @return Estimated area that would be occupied if object was dropped at
* the given location. Should return null if no estimate is found,
* or if this target doesn't provide estimations.
*/
Rect estimateDropLocation(DragSource source, int x, int y, int xOffset, int yOffset, Object dragInfo, Rect recycle);
Rect estimateDropLocation(DragSource source, int x, int y, int xOffset, int yOffset,
DragView dragView, Object dragInfo, Rect recycle);
// These methods are implemented in Views
void getHitRect(Rect outRect);
void getLocationOnScreen(int[] loc);
int getLeft();
int getTop();
}