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platform_packages_apps_Launcher3
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Add drag and drop from AllAppsView (to the workspace). 

Also had to fix AppInfoCache to load the icon as a drawable, which I had broken
when I made AllAppsView use the icons as power of two textures.
This commit is contained in:
Joe Onorato 2009-09-03 09:39:42 -07:00
parent 6665c0f1fe
commit 5162ea9b1f
6 changed files with 88 additions and 39 deletions
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32
src/com/android/launcher2/AllAppsView.java
View File

@ -61,10 +61,11 @@ import android.graphics.PixelFormat;
public class AllAppsView extends RSSurfaceView
implements View.OnClickListener, View.OnLongClickListener {
implements View.OnClickListener, View.OnLongClickListener, DragSource {
private static final String TAG = "Launcher.AllAppsView";
private Launcher mLauncher;
private DragController mDragController;
private RenderScript mRS;
private RolloRS mRollo;
@ -76,6 +77,8 @@ public class AllAppsView extends RSSurfaceView
private VelocityTracker mVelocity;
private int mLastScrollX;
private int mLastMotionX;
private int mMotionDownRawX;
private int mMotionDownRawY;
private TouchHandler mTouchHandler;
private int mScrollHandleTop;
@ -190,6 +193,8 @@ public class AllAppsView extends RSSurfaceView
int deltaX;
switch (ev.getAction()) {
case MotionEvent.ACTION_DOWN:
mMotionDownRawX = (int)ev.getRawX();
mMotionDownRawY = (int)ev.getRawY();
mLastMotionX = x;
mRollo.mState.read();
mRollo.mState.startScrollX = mRollo.mState.scrollX = mLastScrollX
@ -251,11 +256,32 @@ public class AllAppsView extends RSSurfaceView
}
public boolean onLongClick(View v) {
Log.d(TAG, "long click! velocity=" + mRollo.mState.flingVelocityX + " index="
+ mRollo.mState.selectedIconIndex);
int index = mRollo.mState.selectedIconIndex;
Log.d(TAG, "long click! velocity=" + mRollo.mState.flingVelocityX + " index=" + index);
if (mRollo.mState.flingVelocityX == 0 && index >= 0 && index < mAllAppsList.size()) {
ApplicationInfo app = mAllAppsList.get(index);
// We don't really have an accurate location to use. This will do.
int screenX = mMotionDownRawX - (Defines.ICON_WIDTH_PX / 2);
int screenY = mMotionDownRawY - Defines.ICON_HEIGHT_PX;
int left = (Defines.ICON_TEXTURE_WIDTH_PX - Defines.ICON_WIDTH_PX) / 2;
int top = (Defines.ICON_TEXTURE_HEIGHT_PX - Defines.ICON_HEIGHT_PX) / 2;
mDragController.startDrag(app.iconBitmap, screenX, screenY,
left, top, Defines.ICON_WIDTH_PX, Defines.ICON_HEIGHT_PX,
this, app, DragController.DRAG_ACTION_COPY);
// close me!
}
return true;
}
public void setDragController(DragController dragger) {
mDragController = dragger;
}
public void onDropCompleted(View target, boolean success) {
}
/*
private TouchHandler mScrollHandler = new TouchHandler() {
@Override

14
src/com/android/launcher2/AppInfoCache.java
View File

@ -130,12 +130,14 @@ public class AppInfoCache {
ApplicationInfo cached;
synchronized (sCache) {
cached = sCache.get(componentName);
}
if (cached != null) {
return cached.icon;
} else {
return resolveInfo.activityInfo.loadIcon(packageManager);
if (cached != null) {
if (cached.icon == null) {
cached.icon = resolveInfo.activityInfo.loadIcon(packageManager);
}
return cached.icon;
} else {
return resolveInfo.activityInfo.loadIcon(packageManager);
}
}
}

2
src/com/android/launcher2/DeleteZone.java
View File

@ -136,7 +136,7 @@ public class DeleteZone extends ImageView implements DropTarget, DragController.
dragView.setPaint(null);
}
public void onDragStart(View v, DragSource source, Object info, int dragAction) {
public void onDragStart(DragSource source, Object info, int dragAction) {
final ItemInfo item = (ItemInfo) info;
if (item != null) {
mTrashMode = true;

67
src/com/android/launcher2/DragController.java
View File

@ -80,9 +80,6 @@ public class DragController {
/** Original view that is being dragged. */
private View mOriginator;
/** The contents of mOriginator with no scaling. */
private Bitmap mDragBitmap;
/** X offset from the upper-left corner of the cell to where we touched. */
private float mTouchOffsetX;
@ -126,13 +123,12 @@ public class DragController {
/**
* A drag has begun
*
* @param v The view that is being dragged
* @param source An object representing where the drag originated
* @param info The data associated with the object that is being dragged
* @param dragAction The drag action: either {@link DragController#DRAG_ACTION_MOVE}
* or {@link DragController#DRAG_ACTION_COPY}
*/
void onDragStart(View v, DragSource source, Object info, int dragAction);
void onDragStart(DragSource source, Object info, int dragAction);
/**
* The drag has eneded
@ -152,7 +148,7 @@ public class DragController {
}
/**
* Starts a drag
* Starts a drag.
*
* @param v The view that is being dragged
* @param source An object representing where the drag originated
@ -161,6 +157,44 @@ public class DragController {
* {@link #DRAG_ACTION_COPY}
*/
public void startDrag(View v, DragSource source, Object dragInfo, int dragAction) {
mOriginator = v;
Bitmap b = getViewBitmap(v);
int[] loc = mCoordinatesTemp;
v.getLocationOnScreen(loc);
int screenX = loc[0];
int screenY = loc[1];
startDrag(b, screenX, screenY, 0, 0, b.getWidth(), b.getHeight(),
source, dragInfo, dragAction);
b.recycle();
if (dragAction == DRAG_ACTION_MOVE) {
v.setVisibility(View.GONE);
}
}
/**
* Starts a drag.
*
* @param b The bitmap to display as the drag image. It will be re-scaled to the
* enlarged size.
* @param screenX The x position on screen of the left-top of the bitmap.
* @param screenY The y position on screen of the left-top of the bitmap.
* @param textureLeft The left edge of the region inside b to use.
* @param textureTop The top edge of the region inside b to use.
* @param textureWidth The width of the region inside b to use.
* @param textureHeight The height of the region inside b to use.
* @param source An object representing where the drag originated
* @param info The data associated with the object that is being dragged
* @param dragAction The drag action: either {@link #DRAG_ACTION_MOVE} or
* {@link #DRAG_ACTION_COPY}
*/
public void startDrag(Bitmap b, int screenX, int screenY,
int textureLeft, int textureTop, int textureWidth, int textureHeight,
DragSource source, Object dragInfo, int dragAction) {
if (PROFILE_DRAWING_DURING_DRAG) {
android.os.Debug.startMethodTracing("Launcher");
}
@ -173,14 +207,9 @@ public class DragController {
mInputMethodManager.hideSoftInputFromWindow(mWindowToken, 0);
if (mListener != null) {
mListener.onDragStart(v, source, dragInfo, dragAction);
mListener.onDragStart(source, dragInfo, dragAction);
}
int[] loc = mCoordinatesTemp;
v.getLocationOnScreen(loc);
int screenX = loc[0];
int screenY = loc[1];
int registrationX = ((int)mMotionDownX) - screenX;
int registrationY = ((int)mMotionDownY) - screenY;
@ -188,20 +217,14 @@ public class DragController {
mTouchOffsetY = mMotionDownY - screenY;
mDragging = true;
mOriginator = v;
mDragSource = source;
mDragInfo = dragInfo;
mVibrator.vibrate(VIBRATE_DURATION);
mDragBitmap = getViewBitmap(v);
DragView dragView = mDragView = new DragView(mContext, mDragBitmap,
registrationX, registrationY);
DragView dragView = mDragView = new DragView(mContext, b, registrationX, registrationY,
textureLeft, textureTop, textureWidth, textureHeight);
dragView.show(mWindowToken, (int)mMotionDownX, (int)mMotionDownY);
if (dragAction == DRAG_ACTION_MOVE) {
v.setVisibility(View.GONE);
}
}
/**
@ -262,10 +285,6 @@ public class DragController {
mDragView.remove();
mDragView = null;
}
if (mDragBitmap != null) {
mDragBitmap.recycle();
mDragBitmap = null;
}
}
}

8
src/com/android/launcher2/DragView.java
View File

@ -62,22 +62,20 @@ public class DragView extends View implements TweenCallback {
* @param registrationX The x coordinate of the registration point.
* @param registrationY The y coordinate of the registration point.
*/
public DragView(Context context, Bitmap bitmap, int registrationX, int registrationY) {
public DragView(Context context, Bitmap bitmap, int registrationX, int registrationY,
int left, int top, int width, int height) {
super(context);
mWindowManager = WindowManagerImpl.getDefault();
mTween = new SymmetricalLinearTween(false, 110 /*ms duration*/, this);
int width = bitmap.getWidth();
int height = bitmap.getHeight();
Matrix scale = new Matrix();
float scaleFactor = width;
scaleFactor = mScale = (scaleFactor + DRAG_SCALE) / scaleFactor;
scale.setScale(scaleFactor, scaleFactor);
mBitmap = Bitmap.createBitmap(bitmap, 0, 0, width, height, scale, true);
mBitmap = Bitmap.createBitmap(bitmap, left, top, width, height, scale, true);
// The point in our scaled bitmap that the touch events are located
mRegistrationX = registrationX + (DRAG_SCALE / 2);

4
src/com/android/launcher2/Launcher.java
View File

@ -519,6 +519,7 @@ public final class Launcher extends Activity
mAllAppsGrid = (AllAppsView)dragLayer.findViewById(R.id.all_apps_view);
mAllAppsGrid.setLauncher(this);
mAllAppsGrid.setDragController(dragController);
mWorkspace = (Workspace) dragLayer.findViewById(R.id.workspace);
final Workspace workspace = mWorkspace;
@ -575,6 +576,9 @@ public final class Launcher extends Activity
View createShortcut(int layoutResId, ViewGroup parent, ApplicationInfo info) {
TextView favorite = (TextView) mInflater.inflate(layoutResId, parent, false);
if (info.icon == null) {
info.icon = AppInfoCache.getIconDrawable(getPackageManager(), info);
}
if (!info.filtered) {
info.icon = Utilities.createIconThumbnail(info.icon, this);
info.filtered = true;