use of com.android.launcher3.widget.dragndrop.AppWidgetHostViewDragListener in project android_packages_apps_Launcher3 by crdroidandroid.
the class PendingItemDragHelper method startDrag.
/**
* Starts the drag for the pending item associated with the view.
*
* @param previewBounds The bounds where the image was displayed,
* {@link WidgetImageView#getBitmapBounds()}
* @param previewBitmapWidth The actual width of the bitmap displayed in the view.
* @param previewViewWidth The width of {@link WidgetImageView} displaying the preview
* @param screenPos Position of {@link WidgetImageView} on the screen
*/
public void startDrag(Rect previewBounds, int previewBitmapWidth, int previewViewWidth, Point screenPos, DragSource source, DragOptions options) {
final Launcher launcher = Launcher.getLauncher(mView.getContext());
LauncherAppState app = LauncherAppState.getInstance(launcher);
Drawable preview = null;
final int previewWidth;
final int previewHeight;
final float scale;
final Point dragOffset;
final Rect dragRegion;
mEstimatedCellSize = launcher.getWorkspace().estimateItemSize(mAddInfo);
DraggableView draggableView;
if (mAddInfo instanceof PendingAddWidgetInfo) {
PendingAddWidgetInfo createWidgetInfo = (PendingAddWidgetInfo) mAddInfo;
int maxWidth = Math.min((int) (previewBitmapWidth * MAX_WIDGET_SCALE), mEstimatedCellSize[0]);
int[] previewSizeBeforeScale = new int[1];
if (mRemoteViewsPreview != null) {
mAppWidgetHostViewPreview = new LauncherAppWidgetHostView(launcher);
mAppWidgetHostViewPreview.setAppWidget(/* appWidgetId= */
-1, ((PendingAddWidgetInfo) mAddInfo).info);
DeviceProfile deviceProfile = launcher.getDeviceProfile();
Rect padding = new Rect();
mAppWidgetHostViewPreview.getWidgetInset(deviceProfile, padding);
mAppWidgetHostViewPreview.setPadding(padding.left, padding.top, padding.right, padding.bottom);
mAppWidgetHostViewPreview.updateAppWidget(/* remoteViews= */
mRemoteViewsPreview);
int width = deviceProfile.cellWidthPx * mAddInfo.spanX + padding.left + padding.right;
int height = deviceProfile.cellHeightPx * mAddInfo.spanY + padding.top + padding.bottom;
mAppWidgetHostViewPreview.measure(MeasureSpec.makeMeasureSpec(width, MeasureSpec.EXACTLY), MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY));
}
if (mAppWidgetHostViewPreview != null) {
previewSizeBeforeScale[0] = mAppWidgetHostViewPreview.getMeasuredWidth();
launcher.getDragController().addDragListener(new AppWidgetHostViewDragListener(launcher));
}
if (preview == null && mAppWidgetHostViewPreview == null) {
Drawable p = new FastBitmapDrawable(app.getWidgetCache().generateWidgetPreview(launcher, createWidgetInfo.info, maxWidth, null, previewSizeBeforeScale).first);
if (RoundedCornerEnforcement.isRoundedCornerEnabled()) {
p = new RoundDrawableWrapper(p, mEnforcedRoundedCornersForWidget);
}
preview = p;
}
if (previewSizeBeforeScale[0] < previewBitmapWidth) {
// The icon has extra padding around it.
int padding = (previewBitmapWidth - previewSizeBeforeScale[0]) / 2;
if (previewBitmapWidth > previewViewWidth) {
padding = padding * previewViewWidth / previewBitmapWidth;
}
previewBounds.left += padding;
previewBounds.right -= padding;
}
if (mAppWidgetHostViewPreview != null) {
previewWidth = mAppWidgetHostViewPreview.getMeasuredWidth();
previewHeight = mAppWidgetHostViewPreview.getMeasuredHeight();
} else {
previewWidth = preview.getIntrinsicWidth();
previewHeight = preview.getIntrinsicHeight();
}
scale = previewBounds.width() / (float) previewWidth;
launcher.getDragController().addDragListener(new WidgetHostViewLoader(launcher, mView));
dragOffset = null;
dragRegion = null;
draggableView = DraggableView.ofType(DraggableView.DRAGGABLE_WIDGET);
} else {
PendingAddShortcutInfo createShortcutInfo = (PendingAddShortcutInfo) mAddInfo;
Drawable icon = createShortcutInfo.activityInfo.getFullResIcon(app.getIconCache());
LauncherIcons li = LauncherIcons.obtain(launcher);
preview = new FastBitmapDrawable(li.createScaledBitmapWithoutShadow(icon, 0));
previewWidth = preview.getIntrinsicWidth();
previewHeight = preview.getIntrinsicHeight();
li.recycle();
scale = ((float) launcher.getDeviceProfile().iconSizePx) / previewWidth;
dragOffset = new Point(previewPadding / 2, previewPadding / 2);
// Create a preview same as the workspace cell size and draw the icon at the
// appropriate position.
DeviceProfile dp = launcher.getDeviceProfile();
int iconSize = dp.iconSizePx;
int padding = launcher.getResources().getDimensionPixelSize(R.dimen.widget_preview_shortcut_padding);
previewBounds.left += padding;
previewBounds.top += padding;
dragRegion = new Rect();
dragRegion.left = (mEstimatedCellSize[0] - iconSize) / 2;
dragRegion.right = dragRegion.left + iconSize;
dragRegion.top = (mEstimatedCellSize[1] - iconSize - dp.iconTextSizePx - dp.iconDrawablePaddingPx) / 2;
dragRegion.bottom = dragRegion.top + iconSize;
draggableView = DraggableView.ofType(DraggableView.DRAGGABLE_ICON);
}
// Since we are not going through the workspace for starting the drag, set drag related
// information on the workspace before starting the drag.
launcher.getWorkspace().prepareDragWithProvider(this);
int dragLayerX = screenPos.x + previewBounds.left + (int) ((scale * previewWidth - previewWidth) / 2);
int dragLayerY = screenPos.y + previewBounds.top + (int) ((scale * previewHeight - previewHeight) / 2);
// Start the drag
if (mAppWidgetHostViewPreview != null) {
launcher.getDragController().startDrag(mAppWidgetHostViewPreview, draggableView, dragLayerX, dragLayerY, source, mAddInfo, dragOffset, dragRegion, scale, scale, options);
} else {
launcher.getDragController().startDrag(preview, draggableView, dragLayerX, dragLayerY, source, mAddInfo, dragOffset, dragRegion, scale, scale, options);
}
}
use of com.android.launcher3.widget.dragndrop.AppWidgetHostViewDragListener in project android_packages_apps_Launcher3 by crdroidandroid.
the class Workspace method beginDragShared.
/**
* Core functionality for beginning a drag operation for an item that will be dropped within
* the workspace
*/
public DragView beginDragShared(View child, DraggableView draggableView, DragSource source, ItemInfo dragObject, DragPreviewProvider previewProvider, DragOptions dragOptions) {
float iconScale = 1f;
if (child instanceof BubbleTextView) {
Drawable icon = ((BubbleTextView) child).getIcon();
if (icon instanceof FastBitmapDrawable) {
iconScale = ((FastBitmapDrawable) icon).getAnimatedScale();
}
}
// Clear the pressed state if necessary
child.clearFocus();
child.setPressed(false);
if (child instanceof BubbleTextView) {
BubbleTextView icon = (BubbleTextView) child;
icon.clearPressedBackground();
}
mOutlineProvider = previewProvider;
if (draggableView == null && child instanceof DraggableView) {
draggableView = (DraggableView) child;
}
final View contentView = previewProvider.getContentView();
final float scale;
// The draggable drawable follows the touch point around on the screen
final Drawable drawable;
if (contentView == null) {
drawable = previewProvider.createDrawable();
scale = previewProvider.getScaleAndPosition(drawable, mTempXY);
} else {
drawable = null;
scale = previewProvider.getScaleAndPosition(contentView, mTempXY);
}
int halfPadding = previewProvider.previewPadding / 2;
int dragLayerX = mTempXY[0];
int dragLayerY = mTempXY[1];
Point dragVisualizeOffset = null;
Rect dragRect = new Rect();
if (draggableView != null) {
draggableView.getSourceVisualDragBounds(dragRect);
dragLayerY += dragRect.top;
dragVisualizeOffset = new Point(-halfPadding, halfPadding);
}
if (child.getParent() instanceof ShortcutAndWidgetContainer) {
mDragSourceInternal = (ShortcutAndWidgetContainer) child.getParent();
}
if (child instanceof BubbleTextView && !dragOptions.isAccessibleDrag) {
PopupContainerWithArrow popupContainer = PopupContainerWithArrow.showForIcon((BubbleTextView) child);
if (popupContainer != null) {
dragOptions.preDragCondition = popupContainer.createPreDragCondition();
}
}
final DragView dv;
if (contentView instanceof View) {
if (contentView instanceof LauncherAppWidgetHostView) {
mDragController.addDragListener(new AppWidgetHostViewDragListener(mLauncher));
}
dv = mDragController.startDrag(contentView, draggableView, dragLayerX, dragLayerY, source, dragObject, dragVisualizeOffset, dragRect, scale * iconScale, scale, dragOptions);
} else {
dv = mDragController.startDrag(drawable, draggableView, dragLayerX, dragLayerY, source, dragObject, dragVisualizeOffset, dragRect, scale * iconScale, scale, dragOptions);
}
return dv;
}
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