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

Example 6 with DropTarget

use of com.android.launcher3.DropTarget in project android_packages_apps_Launcher3 by crdroidandroid.

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 7 with DropTarget

use of com.android.launcher3.DropTarget in project android_packages_apps_Launcher3 by crdroidandroid.

the class WorkspaceLayoutManager method addInScreen.

/**
 * Adds the specified child in the specified screen. The position and dimension of
 * the child are defined by x, y, spanX and spanY.
 *
 * @param child The child to add in one of the workspace's screens.
 * @param screenId The screen in which to add the child.
 * @param x The X position of the child in the screen's grid.
 * @param y The Y position of the child in the screen's grid.
 * @param spanX The number of cells spanned horizontally by the child.
 * @param spanY The number of cells spanned vertically by the child.
 */
default void addInScreen(View child, int container, int screenId, int x, int y, int spanX, int spanY) {
    if (container == LauncherSettings.Favorites.CONTAINER_DESKTOP) {
        if (getScreenWithId(screenId) == null) {
            Log.e(TAG, "Skipping child, screenId " + screenId + " not found");
            // DEBUGGING - Print out the stack trace to see where we are adding from
            new Throwable().printStackTrace();
            return;
        }
    }
    if (screenId == EXTRA_EMPTY_SCREEN_ID) {
        // This should never happen
        throw new RuntimeException("Screen id should not be EXTRA_EMPTY_SCREEN_ID");
    }
    final CellLayout layout;
    if (container == LauncherSettings.Favorites.CONTAINER_HOTSEAT || container == LauncherSettings.Favorites.CONTAINER_HOTSEAT_PREDICTION) {
        layout = getHotseat();
        // Hide folder title in the hotseat
        if (child instanceof FolderIcon) {
            ((FolderIcon) child).setTextVisible(false);
        }
    } else {
        // Show folder title if not in the hotseat
        if (child instanceof FolderIcon) {
            ((FolderIcon) child).setTextVisible(true);
        }
        layout = getScreenWithId(screenId);
    }
    ViewGroup.LayoutParams genericLp = child.getLayoutParams();
    CellLayout.LayoutParams lp;
    if (genericLp == null || !(genericLp instanceof CellLayout.LayoutParams)) {
        lp = new CellLayout.LayoutParams(x, y, spanX, spanY);
    } else {
        lp = (CellLayout.LayoutParams) genericLp;
        lp.cellX = x;
        lp.cellY = y;
        lp.cellHSpan = spanX;
        lp.cellVSpan = spanY;
    }
    if (spanX < 0 && spanY < 0) {
        lp.isLockedToGrid = false;
    }
    // Get the canonical child id to uniquely represent this view in this screen
    ItemInfo info = (ItemInfo) child.getTag();
    int childId = info.getViewId();
    boolean markCellsAsOccupied = !(child instanceof Folder);
    if (!layout.addViewToCellLayout(child, -1, childId, lp, markCellsAsOccupied)) {
        // TODO: This branch occurs when the workspace is adding views
        // outside of the defined grid
        // maybe we should be deleting these items from the LauncherModel?
        Log.e(TAG, "Failed to add to item at (" + lp.cellX + "," + lp.cellY + ") to CellLayout");
    }
    child.setHapticFeedbackEnabled(false);
    child.setOnLongClickListener(getWorkspaceChildOnLongClickListener());
    if (child instanceof DropTarget) {
        onAddDropTarget((DropTarget) child);
    }
}

Example 8 with DropTarget

use of com.android.launcher3.DropTarget in project android_packages_apps_Launcher3 by crdroidandroid.

the class LauncherAccessibilityDelegate method performAction.

/**
 * Performs the provided action on the host
 */
protected boolean performAction(final View host, final ItemInfo item, int action, boolean fromKeyboard) {
    if (action == ACTION_LONG_CLICK) {
        if (PopupContainerWithArrow.canShow(host, item)) {
            // Long press should be consumed for workspace items, and it should invoke the
            // Shortcuts / Notifications / Actions pop-up menu, and not start a drag as the
            // standard long press path does.
            PopupContainerWithArrow.showForIcon((BubbleTextView) host);
            return true;
        }
    } else if (action == MOVE) {
        return beginAccessibleDrag(host, item, fromKeyboard);
    } else if (action == ADD_TO_WORKSPACE) {
        final int[] coordinates = new int[2];
        final int screenId = findSpaceOnWorkspace(item, coordinates);
        mLauncher.getStateManager().goToState(NORMAL, true, forSuccessCallback(() -> {
            if (item instanceof AppInfo) {
                WorkspaceItemInfo info = ((AppInfo) item).makeWorkspaceItem();
                mLauncher.getModelWriter().addItemToDatabase(info, Favorites.CONTAINER_DESKTOP, screenId, coordinates[0], coordinates[1]);
                mLauncher.bindItems(Collections.singletonList(info), /* forceAnimateIcons= */
                true, /* focusFirstItemForAccessibility= */
                true);
                announceConfirmation(R.string.item_added_to_workspace);
            } else if (item instanceof PendingAddItemInfo) {
                PendingAddItemInfo info = (PendingAddItemInfo) item;
                Workspace workspace = mLauncher.getWorkspace();
                workspace.snapToPage(workspace.getPageIndexForScreenId(screenId));
                mLauncher.addPendingItem(info, Favorites.CONTAINER_DESKTOP, screenId, coordinates, info.spanX, info.spanY);
            }
        }));
        return true;
    } else if (action == MOVE_TO_WORKSPACE) {
        Folder folder = Folder.getOpen(mLauncher);
        folder.close(true);
        WorkspaceItemInfo info = (WorkspaceItemInfo) item;
        folder.getInfo().remove(info, false);
        final int[] coordinates = new int[2];
        final int screenId = findSpaceOnWorkspace(item, coordinates);
        mLauncher.getModelWriter().moveItemInDatabase(info, Favorites.CONTAINER_DESKTOP, screenId, coordinates[0], coordinates[1]);
        // Bind the item in next frame so that if a new workspace page was created,
        // it will get laid out.
        new Handler().post(() -> {
            mLauncher.bindItems(Collections.singletonList(item), true);
            announceConfirmation(R.string.item_moved);
        });
        return true;
    } else if (action == RESIZE) {
        final LauncherAppWidgetInfo info = (LauncherAppWidgetInfo) item;
        List<OptionItem> actions = getSupportedResizeActions(host, info);
        Rect pos = new Rect();
        mLauncher.getDragLayer().getDescendantRectRelativeToSelf(host, pos);
        ArrowPopup popup = OptionsPopupView.show(mLauncher, new RectF(pos), actions, false);
        popup.requestFocus();
        popup.setOnCloseCallback(host::requestFocus);
        return true;
    } else if (action == DEEP_SHORTCUTS || action == SHORTCUTS_AND_NOTIFICATIONS) {
        return PopupContainerWithArrow.showForIcon((BubbleTextView) host) != null;
    } else {
        for (ButtonDropTarget dropTarget : mLauncher.getDropTargetBar().getDropTargets()) {
            if (dropTarget.supportsAccessibilityDrop(item, host) && action == dropTarget.getAccessibilityAction()) {
                dropTarget.onAccessibilityDrop(host, item);
                return true;
            }
        }
    }
    return false;
}