Examples with DragView com.android.launcher3.dragndrop.DragView used on opensource projects

Example 1 with DragView

use of com.android.launcher3.dragndrop.DragView in project android_packages_apps_Launcher3 by crdroidandroid.

the class FolderIcon method onDrop.

private void onDrop(final WorkspaceItemInfo item, DragObject d, Rect finalRect, float scaleRelativeToDragLayer, int index, boolean itemReturnedOnFailedDrop) {
    item.cellX = -1;
    item.cellY = -1;
    DragView animateView = d.dragView;
    // will not have a view to animate
    if (animateView != null && mActivity instanceof Launcher) {
        final Launcher launcher = (Launcher) mActivity;
        DragLayer dragLayer = launcher.getDragLayer();
        Rect from = new Rect();
        dragLayer.getViewRectRelativeToSelf(animateView, from);
        Rect to = finalRect;
        if (to == null) {
            to = new Rect();
            Workspace workspace = launcher.getWorkspace();
            // Set cellLayout and this to it's final state to compute final animation locations
            workspace.setFinalTransitionTransform();
            float scaleX = getScaleX();
            float scaleY = getScaleY();
            setScaleX(1.0f);
            setScaleY(1.0f);
            scaleRelativeToDragLayer = dragLayer.getDescendantRectRelativeToSelf(this, to);
            // Finished computing final animation locations, restore current state
            setScaleX(scaleX);
            setScaleY(scaleY);
            workspace.resetTransitionTransform();
        }
        int numItemsInPreview = Math.min(MAX_NUM_ITEMS_IN_PREVIEW, index + 1);
        boolean itemAdded = false;
        if (itemReturnedOnFailedDrop || index >= MAX_NUM_ITEMS_IN_PREVIEW) {
            List<WorkspaceItemInfo> oldPreviewItems = new ArrayList<>(mCurrentPreviewItems);
            mInfo.add(item, index, false);
            mCurrentPreviewItems.clear();
            mCurrentPreviewItems.addAll(getPreviewItemsOnPage(0));
            if (!oldPreviewItems.equals(mCurrentPreviewItems)) {
                int newIndex = mCurrentPreviewItems.indexOf(item);
                if (newIndex >= 0) {
                    // If the item dropped is going to be in the preview, we update the
                    // index here to reflect its position in the preview.
                    index = newIndex;
                }
                mPreviewItemManager.hidePreviewItem(index, true);
                mPreviewItemManager.onDrop(oldPreviewItems, mCurrentPreviewItems, item);
                itemAdded = true;
            } else {
                removeItem(item, false);
            }
        }
        if (!itemAdded) {
            mInfo.add(item, index, true);
        }
        int[] center = new int[2];
        float scale = getLocalCenterForIndex(index, numItemsInPreview, center);
        center[0] = Math.round(scaleRelativeToDragLayer * center[0]);
        center[1] = Math.round(scaleRelativeToDragLayer * center[1]);
        to.offset(center[0] - animateView.getMeasuredWidth() / 2, center[1] - animateView.getMeasuredHeight() / 2);
        float finalAlpha = index < MAX_NUM_ITEMS_IN_PREVIEW ? 1f : 0f;
        float finalScale = scale * scaleRelativeToDragLayer;
        // Account for potentially different icon sizes with non-default grid settings
        if (d.dragSource instanceof AllAppsContainerView) {
            DeviceProfile grid = mActivity.getDeviceProfile();
            float containerScale = (1f * grid.iconSizePx / grid.allAppsIconSizePx);
            finalScale *= containerScale;
        }
        final int finalIndex = index;
        dragLayer.animateView(animateView, from, to, finalAlpha, 1, 1, finalScale, finalScale, DROP_IN_ANIMATION_DURATION, Interpolators.DEACCEL_2, Interpolators.ACCEL_2, () -> {
            mPreviewItemManager.hidePreviewItem(finalIndex, false);
            mFolder.showItem(item);
        }, DragLayer.ANIMATION_END_DISAPPEAR, null);
        mFolder.hideItem(item);
        if (!itemAdded)
            mPreviewItemManager.hidePreviewItem(index, true);
        FolderNameInfos nameInfos = new FolderNameInfos();
        if (FeatureFlags.FOLDER_NAME_SUGGEST.get()) {
            Executors.MODEL_EXECUTOR.post(() -> {
                d.folderNameProvider.getSuggestedFolderName(getContext(), mInfo.contents, nameInfos);
                showFinalView(finalIndex, item, nameInfos, d.logInstanceId);
            });
        } else {
            showFinalView(finalIndex, item, nameInfos, d.logInstanceId);
        }
    } else {
        addItem(item);
    }
}

Example 2 with DragView

use of com.android.launcher3.dragndrop.DragView in project android_packages_apps_Launcher3 by crdroidandroid.

the class FolderIcon method performCreateAnimation.

public void performCreateAnimation(final WorkspaceItemInfo destInfo, final View destView, final WorkspaceItemInfo srcInfo, final DragObject d, Rect dstRect, float scaleRelativeToDragLayer) {
    final DragView srcView = d.dragView;
    prepareCreateAnimation(destView);
    addItem(destInfo);
    // This will animate the first item from it's position as an icon into its
    // position as the first item in the preview
    mPreviewItemManager.createFirstItemAnimation(false, /* reverse */
    null).start();
    // This will animate the dragView (srcView) into the new folder
    onDrop(srcInfo, d, dstRect, scaleRelativeToDragLayer, 1, false);
}

Example 3 with DragView

use of com.android.launcher3.dragndrop.DragView in project android_packages_apps_Launcher3 by crdroidandroid.

the class LauncherDragController method startDrag.

@Override
protected DragView startDrag(@Nullable Drawable drawable, @Nullable View view, DraggableView originalView, int dragLayerX, int dragLayerY, DragSource source, ItemInfo dragInfo, Point dragOffset, Rect dragRegion, float initialDragViewScale, float dragViewScaleOnDrop, DragOptions options) {
    if (PROFILE_DRAWING_DURING_DRAG) {
        android.os.Debug.startMethodTracing("Launcher");
    }
    mActivity.hideKeyboard();
    AbstractFloatingView.closeOpenViews(mActivity, false, TYPE_DISCOVERY_BOUNCE);
    mOptions = options;
    if (mOptions.simulatedDndStartPoint != null) {
        mLastTouch.x = mMotionDown.x = mOptions.simulatedDndStartPoint.x;
        mLastTouch.y = mMotionDown.y = mOptions.simulatedDndStartPoint.y;
    }
    final int registrationX = mMotionDown.x - dragLayerX;
    final int registrationY = mMotionDown.y - dragLayerY;
    final int dragRegionLeft = dragRegion == null ? 0 : dragRegion.left;
    final int dragRegionTop = dragRegion == null ? 0 : dragRegion.top;
    mLastDropTarget = null;
    mDragObject = new DropTarget.DragObject(mActivity.getApplicationContext());
    mDragObject.originalView = originalView;
    mIsInPreDrag = mOptions.preDragCondition != null && !mOptions.preDragCondition.shouldStartDrag(0);
    final Resources res = mActivity.getResources();
    final float scaleDps = mIsInPreDrag ? res.getDimensionPixelSize(R.dimen.pre_drag_view_scale) : 0f;
    final DragView dragView = mDragObject.dragView = drawable != null ? new DragView(mActivity, drawable, registrationX, registrationY, initialDragViewScale, dragViewScaleOnDrop, scaleDps) : new DragView(mActivity, view, view.getMeasuredWidth(), view.getMeasuredHeight(), registrationX, registrationY, initialDragViewScale, dragViewScaleOnDrop, scaleDps);
    dragView.setItemInfo(dragInfo);
    mDragObject.dragComplete = false;
    mDragObject.xOffset = mMotionDown.x - (dragLayerX + dragRegionLeft);
    mDragObject.yOffset = mMotionDown.y - (dragLayerY + dragRegionTop);
    mDragDriver = DragDriver.create(this, mOptions, mFlingToDeleteHelper::recordMotionEvent);
    if (!mOptions.isAccessibleDrag) {
        mDragObject.stateAnnouncer = DragViewStateAnnouncer.createFor(dragView);
    }
    mDragObject.dragSource = source;
    mDragObject.dragInfo = dragInfo;
    mDragObject.originalDragInfo = mDragObject.dragInfo.makeShallowCopy();
    if (dragOffset != null) {
        dragView.setDragVisualizeOffset(new Point(dragOffset));
    }
    if (dragRegion != null) {
        dragView.setDragRegion(new Rect(dragRegion));
    }
    mActivity.getDragLayer().performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
    dragView.show(mLastTouch.x, mLastTouch.y);
    mDistanceSinceScroll = 0;
    if (!mIsInPreDrag) {
        callOnDragStart();
    } else if (mOptions.preDragCondition != null) {
        mOptions.preDragCondition.onPreDragStart(mDragObject);
    }
    handleMoveEvent(mLastTouch.x, mLastTouch.y);
    if (!mActivity.isTouchInProgress() && options.simulatedDndStartPoint == null) {
        // If it is an internal drag and the touch is already complete, cancel immediately
        MAIN_EXECUTOR.submit(this::cancelDrag);
    }
    return dragView;
}

Example 4 with DragView

use of com.android.launcher3.dragndrop.DragView in project android_packages_apps_Launcher3 by crdroidandroid.

the class Workspace method onDrop.

@Override
public void onDrop(final DragObject d, DragOptions options) {
    mDragViewVisualCenter = d.getVisualCenter(mDragViewVisualCenter);
    CellLayout dropTargetLayout = mDropToLayout;
    // We want the point to be mapped to the dragTarget.
    if (dropTargetLayout != null) {
        mapPointFromDropLayout(dropTargetLayout, mDragViewVisualCenter);
    }
    boolean droppedOnOriginalCell = false;
    int snapScreen = -1;
    boolean resizeOnDrop = false;
    if (d.dragSource != this || mDragInfo == null) {
        final int[] touchXY = new int[] { (int) mDragViewVisualCenter[0], (int) mDragViewVisualCenter[1] };
        onDropExternal(touchXY, dropTargetLayout, d);
    } else {
        final View cell = mDragInfo.cell;
        final DragView dragView = d.dragView;
        boolean droppedOnOriginalCellDuringTransition = false;
        Runnable onCompleteRunnable = dragView::resumeColorExtraction;
        dragView.disableColorExtraction();
        if (dropTargetLayout != null && !d.cancelled) {
            // Move internally
            boolean hasMovedLayouts = (getParentCellLayoutForView(cell) != dropTargetLayout);
            boolean hasMovedIntoHotseat = mLauncher.isHotseatLayout(dropTargetLayout);
            int container = hasMovedIntoHotseat ? LauncherSettings.Favorites.CONTAINER_HOTSEAT : LauncherSettings.Favorites.CONTAINER_DESKTOP;
            int screenId = (mTargetCell[0] < 0) ? mDragInfo.screenId : getIdForScreen(dropTargetLayout);
            int spanX = mDragInfo != null ? mDragInfo.spanX : 1;
            int spanY = mDragInfo != null ? mDragInfo.spanY : 1;
            // First we find the cell nearest to point at which the item is
            // dropped, without any consideration to whether there is an item there.
            mTargetCell = findNearestArea((int) mDragViewVisualCenter[0], (int) mDragViewVisualCenter[1], spanX, spanY, dropTargetLayout, mTargetCell);
            float distance = dropTargetLayout.getDistanceFromCell(mDragViewVisualCenter[0], mDragViewVisualCenter[1], mTargetCell);
            // cell also contains a shortcut, then create a folder with the two shortcuts.
            if (createUserFolderIfNecessary(cell, container, dropTargetLayout, mTargetCell, distance, false, d) || addToExistingFolderIfNecessary(cell, dropTargetLayout, mTargetCell, distance, d, false)) {
                mLauncher.getStateManager().goToState(NORMAL, SPRING_LOADED_EXIT_DELAY);
                return;
            }
            // Aside from the special case where we're dropping a shortcut onto a shortcut,
            // we need to find the nearest cell location that is vacant
            ItemInfo item = d.dragInfo;
            int minSpanX = item.spanX;
            int minSpanY = item.spanY;
            if (item.minSpanX > 0 && item.minSpanY > 0) {
                minSpanX = item.minSpanX;
                minSpanY = item.minSpanY;
            }
            droppedOnOriginalCell = item.screenId == screenId && item.container == container && item.cellX == mTargetCell[0] && item.cellY == mTargetCell[1];
            droppedOnOriginalCellDuringTransition = droppedOnOriginalCell && mIsSwitchingState;
            // When quickly moving an item, a user may accidentally rearrange their
            // workspace. So instead we move the icon back safely to its original position.
            boolean returnToOriginalCellToPreventShuffling = !isFinishedSwitchingState() && !droppedOnOriginalCellDuringTransition && !dropTargetLayout.isRegionVacant(mTargetCell[0], mTargetCell[1], spanX, spanY);
            int[] resultSpan = new int[2];
            if (returnToOriginalCellToPreventShuffling) {
                mTargetCell[0] = mTargetCell[1] = -1;
            } else {
                mTargetCell = dropTargetLayout.performReorder((int) mDragViewVisualCenter[0], (int) mDragViewVisualCenter[1], minSpanX, minSpanY, spanX, spanY, cell, mTargetCell, resultSpan, CellLayout.MODE_ON_DROP);
            }
            boolean foundCell = mTargetCell[0] >= 0 && mTargetCell[1] >= 0;
            // if the widget resizes on drop
            if (foundCell && (cell instanceof AppWidgetHostView) && (resultSpan[0] != item.spanX || resultSpan[1] != item.spanY)) {
                resizeOnDrop = true;
                item.spanX = resultSpan[0];
                item.spanY = resultSpan[1];
                AppWidgetHostView awhv = (AppWidgetHostView) cell;
                WidgetSizes.updateWidgetSizeRanges(awhv, mLauncher, resultSpan[0], resultSpan[1]);
            }
            if (foundCell) {
                if (getScreenIdForPageIndex(mCurrentPage) != screenId && !hasMovedIntoHotseat) {
                    snapScreen = getPageIndexForScreenId(screenId);
                    snapToPage(snapScreen);
                }
                final ItemInfo info = (ItemInfo) cell.getTag();
                if (hasMovedLayouts) {
                    // Reparent the view
                    CellLayout parentCell = getParentCellLayoutForView(cell);
                    if (parentCell != null) {
                        parentCell.removeView(cell);
                    } else if (mDragInfo.cell instanceof LauncherAppWidgetHostView) {
                        d.dragView.detachContentView(/* reattachToPreviousParent= */
                        false);
                    } else if (FeatureFlags.IS_STUDIO_BUILD) {
                        throw new NullPointerException("mDragInfo.cell has null parent");
                    }
                    addInScreen(cell, container, screenId, mTargetCell[0], mTargetCell[1], info.spanX, info.spanY);
                }
                // update the item's position after drop
                CellLayout.LayoutParams lp = (CellLayout.LayoutParams) cell.getLayoutParams();
                lp.cellX = lp.tmpCellX = mTargetCell[0];
                lp.cellY = lp.tmpCellY = mTargetCell[1];
                lp.cellHSpan = item.spanX;
                lp.cellVSpan = item.spanY;
                lp.isLockedToGrid = true;
                if (container != LauncherSettings.Favorites.CONTAINER_HOTSEAT && cell instanceof LauncherAppWidgetHostView) {
                    final CellLayout cellLayout = dropTargetLayout;
                    // We post this call so that the widget has a chance to be placed
                    // in its final location
                    final LauncherAppWidgetHostView hostView = (LauncherAppWidgetHostView) cell;
                    AppWidgetProviderInfo pInfo = hostView.getAppWidgetInfo();
                    if (pInfo != null && !options.isAccessibleDrag) {
                        final Runnable previousRunnable = onCompleteRunnable;
                        onCompleteRunnable = () -> {
                            previousRunnable.run();
                            if (!isPageInTransition()) {
                                AppWidgetResizeFrame.showForWidget(hostView, cellLayout);
                            }
                        };
                    }
                }
                mLauncher.getModelWriter().modifyItemInDatabase(info, container, screenId, lp.cellX, lp.cellY, item.spanX, item.spanY);
            } else {
                if (!returnToOriginalCellToPreventShuffling) {
                    onNoCellFound(dropTargetLayout);
                }
                if (mDragInfo.cell instanceof LauncherAppWidgetHostView) {
                    d.dragView.detachContentView(/* reattachToPreviousParent= */
                    true);
                }
                // If we can't find a drop location, we return the item to its original position
                CellLayout.LayoutParams lp = (CellLayout.LayoutParams) cell.getLayoutParams();
                mTargetCell[0] = lp.cellX;
                mTargetCell[1] = lp.cellY;
                CellLayout layout = (CellLayout) cell.getParent().getParent();
                layout.markCellsAsOccupiedForView(cell);
            }
        } else {
            // When drag is cancelled, reattach content view back to its original parent.
            if (mDragInfo.cell instanceof LauncherAppWidgetHostView) {
                d.dragView.detachContentView(/* reattachToPreviousParent= */
                true);
            }
        }
        final CellLayout parent = (CellLayout) cell.getParent().getParent();
        if (d.dragView.hasDrawn()) {
            if (droppedOnOriginalCellDuringTransition) {
                // Animate the item to its original position, while simultaneously exiting
                // spring-loaded mode so the page meets the icon where it was picked up.
                final RunnableList callbackList = new RunnableList();
                final Runnable onCompleteCallback = onCompleteRunnable;
                mLauncher.getDragController().animateDragViewToOriginalPosition(/* onComplete= */
                callbackList::executeAllAndDestroy, cell, SPRING_LOADED.getTransitionDuration(mLauncher));
                mLauncher.getStateManager().goToState(NORMAL, /* delay= */
                0, onCompleteCallback == null ? null : forSuccessCallback(() -> callbackList.add(onCompleteCallback)));
                mLauncher.getDropTargetBar().onDragEnd();
                parent.onDropChild(cell);
                return;
            }
            final ItemInfo info = (ItemInfo) cell.getTag();
            boolean isWidget = info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET || info.itemType == LauncherSettings.Favorites.ITEM_TYPE_CUSTOM_APPWIDGET;
            if (isWidget) {
                int animationType = resizeOnDrop ? ANIMATE_INTO_POSITION_AND_RESIZE : ANIMATE_INTO_POSITION_AND_DISAPPEAR;
                animateWidgetDrop(info, parent, d.dragView, null, animationType, cell, false);
            } else {
                int duration = snapScreen < 0 ? -1 : ADJACENT_SCREEN_DROP_DURATION;
                mLauncher.getDragLayer().animateViewIntoPosition(d.dragView, cell, duration, this);
            }
        } else {
            d.deferDragViewCleanupPostAnimation = false;
            cell.setVisibility(VISIBLE);
        }
        parent.onDropChild(cell);
        mLauncher.getStateManager().goToState(NORMAL, SPRING_LOADED_EXIT_DELAY, forSuccessCallback(onCompleteRunnable));
        mStatsLogManager.logger().withItemInfo(d.dragInfo).withInstanceId(d.logInstanceId).log(LauncherEvent.LAUNCHER_ITEM_DROP_COMPLETED);
    }
    if (d.stateAnnouncer != null && !droppedOnOriginalCell) {
        d.stateAnnouncer.completeAction(R.string.item_moved);
    }
}

Example 5 with DragView

use of com.android.launcher3.dragndrop.DragView in project android_packages_apps_Launcher3 by crdroidandroid.

the class LauncherAccessibilityDelegate method getSupportedResizeActions.

private List<OptionItem> getSupportedResizeActions(View host, LauncherAppWidgetInfo info) {
    List<OptionItem> actions = new ArrayList<>();
    AppWidgetProviderInfo providerInfo = ((LauncherAppWidgetHostView) host).getAppWidgetInfo();
    if (providerInfo == null) {
        return actions;
    }
    CellLayout layout;
    if (host.getParent() instanceof DragView) {
        layout = (CellLayout) ((DragView) host.getParent()).getContentViewParent().getParent();
    } else {
        layout = (CellLayout) host.getParent().getParent();
    }
    if ((providerInfo.resizeMode & AppWidgetProviderInfo.RESIZE_HORIZONTAL) != 0) {
        if (layout.isRegionVacant(info.cellX + info.spanX, info.cellY, 1, info.spanY) || layout.isRegionVacant(info.cellX - 1, info.cellY, 1, info.spanY)) {
            actions.add(new OptionItem(mLauncher, R.string.action_increase_width, R.drawable.ic_widget_width_increase, IGNORE, v -> performResizeAction(R.string.action_increase_width, host, info)));
        }
        if (info.spanX > info.minSpanX && info.spanX > 1) {
            actions.add(new OptionItem(mLauncher, R.string.action_decrease_width, R.drawable.ic_widget_width_decrease, IGNORE, v -> performResizeAction(R.string.action_decrease_width, host, info)));
        }
    }
    if ((providerInfo.resizeMode & AppWidgetProviderInfo.RESIZE_VERTICAL) != 0) {
        if (layout.isRegionVacant(info.cellX, info.cellY + info.spanY, info.spanX, 1) || layout.isRegionVacant(info.cellX, info.cellY - 1, info.spanX, 1)) {
            actions.add(new OptionItem(mLauncher, R.string.action_increase_height, R.drawable.ic_widget_height_increase, IGNORE, v -> performResizeAction(R.string.action_increase_height, host, info)));
        }
        if (info.spanY > info.minSpanY && info.spanY > 1) {
            actions.add(new OptionItem(mLauncher, R.string.action_decrease_height, R.drawable.ic_widget_height_decrease, IGNORE, v -> performResizeAction(R.string.action_decrease_height, host, info)));
        }
    }
    return actions;
}