Examples with ItemInfo com.android.launcher3.ItemInfo used on opensource projects

Example 81 with ItemInfo

use of com.android.launcher3.ItemInfo in project android_packages_apps_Launcher3 by AOSPA.

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;
    boolean snappedToNewPage = false;
    boolean resizeOnDrop = false;
    Runnable onCompleteRunnable = null;
    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;
        boolean droppedOnOriginalCellDuringTransition = false;
        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.getDistanceFromWorkspaceCellVisualCenter(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) {
                int targetScreenIndex = getPageIndexForScreenId(screenId);
                int snapScreen = getLeftmostVisiblePageForIndex(targetScreenIndex);
                // isn't needed if the source and target screens appear at the same time
                if (snapScreen != mCurrentPage && !hasMovedIntoHotseat) {
                    snapToPage(snapScreen);
                    snappedToNewPage = true;
                }
                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) {
                        onCompleteRunnable = () -> {
                            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, d.dragInfo, d.logInstanceId);
                }
                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 = snappedToNewPage ? ADJACENT_SCREEN_DROP_DURATION : -1;
                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, onCompleteRunnable == null ? null : 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 82 with ItemInfo

use of com.android.launcher3.ItemInfo in project android_packages_apps_Launcher3 by AOSPA.

the class Workspace method removeItemsByMatcher.

/**
 * Removes items that match the {@param matcher}. When applications are removed
 * as a part of an update, this is called to ensure that other widgets and application
 * shortcuts are not removed.
 */
public void removeItemsByMatcher(final ItemInfoMatcher matcher) {
    for (CellLayout layout : getWorkspaceAndHotseatCellLayouts()) {
        ShortcutAndWidgetContainer container = layout.getShortcutsAndWidgets();
        // Iterate in reverse order as we are removing items
        for (int i = container.getChildCount() - 1; i >= 0; i--) {
            View child = container.getChildAt(i);
            ItemInfo info = (ItemInfo) child.getTag();
            if (matcher.matchesInfo(info)) {
                layout.removeViewInLayout(child);
                if (child instanceof DropTarget) {
                    mDragController.removeDropTarget((DropTarget) child);
                }
            } else if (child instanceof FolderIcon) {
                FolderInfo folderInfo = (FolderInfo) info;
                List<WorkspaceItemInfo> matches = folderInfo.contents.stream().filter(matcher::matchesInfo).collect(Collectors.toList());
                if (!matches.isEmpty()) {
                    folderInfo.removeAll(matches, false);
                    if (((FolderIcon) child).getFolder().isOpen()) {
                        ((FolderIcon) child).getFolder().close(false);
                    }
                }
            }
        }
    }
    // Strip all the empty screens
    stripEmptyScreens();
}

Example 83 with ItemInfo

use of com.android.launcher3.ItemInfo in project android_packages_apps_Launcher3 by AOSPA.

the class LauncherAccessibilityDelegate method findSpaceOnWorkspace.

/**
 * Find empty space on the workspace and returns the screenId.
 */
protected int findSpaceOnWorkspace(ItemInfo info, int[] outCoordinates) {
    Workspace workspace = mLauncher.getWorkspace();
    IntArray workspaceScreens = workspace.getScreenOrder();
    int screenId;
    // First check if there is space on the current screen.
    int screenIndex = workspace.getCurrentPage();
    screenId = workspaceScreens.get(screenIndex);
    CellLayout layout = (CellLayout) workspace.getPageAt(screenIndex);
    boolean found = layout.findCellForSpan(outCoordinates, info.spanX, info.spanY);
    screenIndex = 0;
    while (!found && screenIndex < workspaceScreens.size()) {
        screenId = workspaceScreens.get(screenIndex);
        layout = (CellLayout) workspace.getPageAt(screenIndex);
        found = layout.findCellForSpan(outCoordinates, info.spanX, info.spanY);
        screenIndex++;
    }
    if (found) {
        return screenId;
    }
    workspace.addExtraEmptyScreens();
    IntSet emptyScreenIds = workspace.commitExtraEmptyScreens();
    if (emptyScreenIds.isEmpty()) {
        // Couldn't create extra empty screens for some reason (e.g. Workspace is loading)
        return -1;
    }
    screenId = emptyScreenIds.getArray().get(0);
    layout = workspace.getScreenWithId(screenId);
    found = layout.findCellForSpan(outCoordinates, info.spanX, info.spanY);
    if (!found) {
        Log.wtf(TAG, "Not enough space on an empty screen");
    }
    return screenId;
}

Example 84 with ItemInfo

use of com.android.launcher3.ItemInfo in project android_packages_apps_Launcher3 by AOSPA.

the class LauncherAccessibilityDelegate method getSupportedActions.

/**
 * Returns all the accessibility actions that can be handled by the host.
 */
public static List<LauncherAction> getSupportedActions(Launcher launcher, View host) {
    if (host == null || !(host.getTag() instanceof ItemInfo)) {
        return Collections.emptyList();
    }
    PopupContainerWithArrow container = PopupContainerWithArrow.getOpen(launcher);
    LauncherAccessibilityDelegate delegate = container != null ? container.getAccessibilityDelegate() : launcher.getAccessibilityDelegate();
    List<LauncherAction> result = new ArrayList<>();
    delegate.getSupportedActions(host, (ItemInfo) host.getTag(), result);
    return result;
}

Example 85 with ItemInfo

use of com.android.launcher3.ItemInfo in project android_packages_apps_Launcher3 by AOSPA.

the class WorkspaceAccessibilityHelper method intersectsValidDropTarget.

/**
 * Find the virtual view id corresponding to the top left corner of any drop region by which
 * the passed id is contained. For an icon, this is simply
 */
@Override
protected int intersectsValidDropTarget(int id) {
    int mCountX = mView.getCountX();
    int mCountY = mView.getCountY();
    int x = id % mCountX;
    int y = id / mCountX;
    LauncherAccessibilityDelegate.DragInfo dragInfo = mDelegate.getDragInfo();
    if (dragInfo.dragType == DragType.WIDGET && !mView.acceptsWidget()) {
        return INVALID_POSITION;
    }
    if (dragInfo.dragType == DragType.WIDGET) {
        // For a widget, every cell must be vacant. In addition, we will return any valid
        // drop target by which the passed id is contained.
        boolean fits = false;
        // These represent the amount that we can back off if we hit a problem. They
        // get consumed as we move up and to the right, trying new regions.
        int spanX = dragInfo.info.spanX;
        int spanY = dragInfo.info.spanY;
        for (int m = 0; m < spanX; m++) {
            for (int n = 0; n < spanY; n++) {
                fits = true;
                int x0 = x - m;
                int y0 = y - n;
                if (x0 < 0 || y0 < 0)
                    continue;
                for (int i = x0; i < x0 + spanX; i++) {
                    if (!fits)
                        break;
                    for (int j = y0; j < y0 + spanY; j++) {
                        if (i >= mCountX || j >= mCountY || mView.isOccupied(i, j)) {
                            fits = false;
                            break;
                        }
                    }
                }
                if (fits) {
                    return x0 + mCountX * y0;
                }
            }
        }
        return INVALID_POSITION;
    } else {
        // For an icon, we simply check the view directly below
        View child = mView.getChildAt(x, y);
        if (child == null || child == dragInfo.item) {
            // Empty cell. Good for an icon or folder.
            return id;
        } else if (dragInfo.dragType != DragType.FOLDER) {
            // For icons, we can consider cells that have another icon or a folder.
            ItemInfo info = (ItemInfo) child.getTag();
            if (info instanceof AppInfo || info instanceof FolderInfo || info instanceof WorkspaceItemInfo) {
                return id;
            }
        }
        return INVALID_POSITION;
    }
}