import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Matrix;
+import android.graphics.Paint;
import android.graphics.Point;
import android.graphics.PointF;
import android.graphics.Rect;
import android.view.animation.DecelerateInterpolator;
import android.view.animation.Interpolator;
import android.widget.TextView;
-
import com.android.launcher3.FolderIcon.FolderRingAnimator;
import com.android.launcher3.Launcher.CustomContentCallbacks;
import com.android.launcher3.LauncherSettings.Favorites;
mDragOutline = createDragOutline(v, canvas, DRAG_BITMAP_PADDING);
}
+ public void onExternalDragStartedWithItem(View v) {
+ final Canvas canvas = new Canvas();
+
+ // Compose a drag bitmap with the view scaled to the icon size
+ LauncherAppState app = LauncherAppState.getInstance();
+ DeviceProfile grid = app.getDynamicGrid().getDeviceProfile();
+ int iconSize = grid.iconSizePx;
+ int bmpWidth = v.getMeasuredWidth();
+ int bmpHeight = v.getMeasuredHeight();
+
+ // If this is a text view, use its drawable instead
+ if (v instanceof TextView) {
+ TextView tv = (TextView) v;
+ Drawable d = tv.getCompoundDrawables()[1];
+ bmpWidth = d.getIntrinsicWidth();
+ bmpHeight = d.getIntrinsicHeight();
+ }
+
+ // Compose the bitmap to create the icon from
+ Bitmap b = Bitmap.createBitmap(bmpWidth, bmpHeight,
+ Bitmap.Config.ARGB_8888);
+ Canvas c = new Canvas(b);
+ drawDragView(v, c, 0, true);
+ c.setBitmap(null);
+
+ // The outline is used to visualize where the item will land if dropped
+ mDragOutline = createDragOutline(b, canvas, DRAG_BITMAP_PADDING, iconSize, iconSize, true);
+ }
+
public void onDragStartedWithItem(PendingAddItemInfo info, Bitmap b, boolean clipAlpha) {
final Canvas canvas = new Canvas();
final int bmpHeight = b.getHeight();
float scale = mLauncher.getDragLayer().getLocationInDragLayer(child, mTempXY);
- int dragLayerX =
- Math.round(mTempXY[0] - (bmpWidth - scale * child.getWidth()) / 2);
- int dragLayerY =
- Math.round(mTempXY[1] - (bmpHeight - scale * bmpHeight) / 2
+ int dragLayerX = Math.round(mTempXY[0] - (bmpWidth - scale * child.getWidth()) / 2);
+ int dragLayerY = Math.round(mTempXY[1] - (bmpHeight - scale * bmpHeight) / 2
- DRAG_BITMAP_PADDING / 2);
LauncherAppState app = LauncherAppState.getInstance();
b.recycle();
}
+ public void beginExternalDragShared(View child, DragSource source) {
+ LauncherAppState app = LauncherAppState.getInstance();
+ DeviceProfile grid = app.getDynamicGrid().getDeviceProfile();
+ int iconSize = grid.iconSizePx;
+
+ // Notify launcher of drag start
+ mLauncher.onDragStarted(child);
+
+ // Compose a new drag bitmap that is of the icon size
+ final Bitmap tmpB = createDragBitmap(child, new Canvas(), DRAG_BITMAP_PADDING);
+ Bitmap b = Bitmap.createBitmap(iconSize, iconSize, Bitmap.Config.ARGB_8888);
+ Paint p = new Paint();
+ p.setFilterBitmap(true);
+ Canvas c = new Canvas(b);
+ c.drawBitmap(tmpB, new Rect(0, 0, tmpB.getWidth(), tmpB.getHeight()),
+ new Rect(0, 0, iconSize, iconSize), p);
+ c.setBitmap(null);
+
+ // Find the child's location on the screen
+ int bmpWidth = tmpB.getWidth();
+ float iconScale = (float) bmpWidth / iconSize;
+ float scale = mLauncher.getDragLayer().getLocationInDragLayer(child, mTempXY) * iconScale;
+ int dragLayerX = Math.round(mTempXY[0] - (bmpWidth - scale * child.getWidth()) / 2);
+ int dragLayerY = Math.round(mTempXY[1]);
+
+ // Note: The drag region is used to calculate drag layer offsets, but the
+ // dragVisualizeOffset in addition to the dragRect (the size) to position the outline.
+ Point dragVisualizeOffset = new Point(-DRAG_BITMAP_PADDING / 2, DRAG_BITMAP_PADDING / 2);
+ Rect dragRect = new Rect(0, 0, iconSize, iconSize);
+
+ if (child.getTag() == null || !(child.getTag() instanceof ItemInfo)) {
+ String msg = "Drag started with a view that has no tag set. This "
+ + "will cause a crash (issue 11627249) down the line. "
+ + "View: " + child + " tag: " + child.getTag();
+ throw new IllegalStateException(msg);
+ }
+
+ // Start the drag
+ DragView dv = mDragController.startDrag(b, dragLayerX, dragLayerY, source, child.getTag(),
+ DragController.DRAG_ACTION_MOVE, dragVisualizeOffset, dragRect, scale);
+ dv.setIntrinsicIconScaleFactor(source.getIntrinsicIconScaleFactor());
+
+ // Recycle temporary bitmaps
+ tmpB.recycle();
+ }
+
void addApplicationShortcut(ShortcutInfo info, CellLayout target, long container, long screenId,
int cellX, int cellY, boolean insertAtFirst, int intersectX, int intersectY) {
View view = mLauncher.createShortcut(R.layout.application, target, (ShortcutInfo) info);