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

Example 96 with CellLayout

use of com.android.launcher3.CellLayout in project Neo-Launcher by NeoApplications.

the class Workspace method onDrop.

public void onDrop(final DragObject d, DragOptions options) {
    if (TestProtocol.sDebugTracing) {
        Log.d(TestProtocol.NO_DRAG_TO_WORKSPACE, "Workspace.onDrop");
    }
    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;
        boolean droppedOnOriginalCellDuringTransition = false;
        Runnable onCompleteRunnable = null;
        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.dragView) || 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;
                AppWidgetResizeFrame.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 (FeatureFlags.IS_DOGFOOD_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 && pInfo.resizeMode != AppWidgetProviderInfo.RESIZE_NONE && !d.accessibleDrag) {
                        onCompleteRunnable = new Runnable() {

                            public void 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 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);
            }
        }
        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.
                mLauncher.getDragController().animateDragViewToOriginalPosition(onCompleteRunnable, cell, SPRING_LOADED_TRANSITION_MS);
                mLauncher.getStateManager().goToState(NORMAL);
                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, onCompleteRunnable);
    }
    if (d.stateAnnouncer != null && !droppedOnOriginalCell) {
        d.stateAnnouncer.completeAction(R.string.item_moved);
    }
}

Example 97 with CellLayout

use of com.android.launcher3.CellLayout in project Neo-Launcher by NeoApplications.

the class Workspace method mapOverCellLayout.

private boolean mapOverCellLayout(CellLayout layout, ItemOperator op) {
    // TODO(b/128460496) Potential race condition where layout is not yet loaded
    if (layout == null) {
        return false;
    }
    ShortcutAndWidgetContainer container = layout.getShortcutsAndWidgets();
    // map over all the shortcuts on the workspace
    final int itemCount = container.getChildCount();
    for (int itemIdx = 0; itemIdx < itemCount; itemIdx++) {
        View item = container.getChildAt(itemIdx);
        if (op.evaluate((ItemInfo) item.getTag(), item)) {
            return true;
        }
    }
    return false;
}

Example 98 with CellLayout

use of com.android.launcher3.CellLayout in project Neo-Launcher by NeoApplications.

the class Workspace method getFirstMatchForAppClose.

/**
 * Similar to {@link #getFirstMatch} but optimized to finding a suitable view for the app close
 * animation.
 *
 * @param packageName The package name of the app to match.
 * @param user The user of the app to match.
 */
public View getFirstMatchForAppClose(String packageName, UserHandle user) {
    final int curPage = getCurrentPage();
    final CellLayout currentPage = (CellLayout) getPageAt(curPage);
    final Workspace.ItemOperator packageAndUser = (ItemInfo info, View view) -> info != null && info.getTargetComponent() != null && TextUtils.equals(info.getTargetComponent().getPackageName(), packageName) && info.user.equals(user);
    final Workspace.ItemOperator packageAndUserAndApp = (ItemInfo info, View view) -> packageAndUser.evaluate(info, view) && info.itemType == ITEM_TYPE_APPLICATION;
    final Workspace.ItemOperator packageAndUserAndAppInFolder = (info, view) -> {
        if (info instanceof FolderInfo) {
            FolderInfo folderInfo = (FolderInfo) info;
            for (WorkspaceItemInfo shortcutInfo : folderInfo.contents) {
                if (packageAndUserAndApp.evaluate(shortcutInfo, view)) {
                    return true;
                }
            }
        }
        return false;
    };
    // Order: App icons, app in folder. Items in hotseat get returned first.
    if (ADAPTIVE_ICON_WINDOW_ANIM.get()) {
        return getFirstMatch(new CellLayout[] { getHotseat(), currentPage }, packageAndUserAndApp, packageAndUserAndAppInFolder);
    } else {
        // FolderAdaptiveIcon as the background.
        return getFirstMatch(new CellLayout[] { getHotseat(), currentPage }, packageAndUserAndApp);
    }
}

Example 99 with CellLayout

use of com.android.launcher3.CellLayout in project Neo-Launcher by NeoApplications.

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 (final CellLayout layoutParent : getWorkspaceAndHotseatCellLayouts()) {
        final ViewGroup layout = layoutParent.getShortcutsAndWidgets();
        IntSparseArrayMap<View> idToViewMap = new IntSparseArrayMap<>();
        ArrayList<ItemInfo> items = new ArrayList<>();
        for (int j = 0; j < layout.getChildCount(); j++) {
            final View view = layout.getChildAt(j);
            if (view.getTag() instanceof ItemInfo) {
                ItemInfo item = (ItemInfo) view.getTag();
                items.add(item);
                idToViewMap.put(item.id, view);
            }
        }
        for (ItemInfo itemToRemove : matcher.filterItemInfos(items)) {
            View child = idToViewMap.get(itemToRemove.id);
            if (child != null) {
                // Note: We can not remove the view directly from CellLayoutChildren as this
                // does not re-mark the spaces as unoccupied.
                layoutParent.removeViewInLayout(child);
                if (child instanceof DropTarget) {
                    mDragController.removeDropTarget((DropTarget) child);
                }
            } else if (itemToRemove.container >= 0) {
                // The item may belong to a folder.
                View parent = idToViewMap.get(itemToRemove.container);
                if (parent instanceof FolderIcon) {
                    FolderInfo folderInfo = (FolderInfo) parent.getTag();
                    folderInfo.remove((WorkspaceItemInfo) itemToRemove, false);
                    if (((FolderIcon) parent).getFolder().isOpen()) {
                        ((FolderIcon) parent).getFolder().close(false);
                    }
                }
            }
        }
    }
    // Strip all the empty screens
    stripEmptyScreens();
}

Example 100 with CellLayout

use of com.android.launcher3.CellLayout in project Neo-Launcher by NeoApplications.

the class Workspace method createUserFolderIfNecessary.

boolean createUserFolderIfNecessary(View newView, int container, CellLayout target, int[] targetCell, float distance, boolean external, DragView dragView) {
    if (distance > mMaxDistanceForFolderCreation)
        return false;
    View v = target.getChildAt(targetCell[0], targetCell[1]);
    boolean hasntMoved = false;
    if (mDragInfo != null) {
        CellLayout cellParent = getParentCellLayoutForView(mDragInfo.cell);
        hasntMoved = (mDragInfo.cellX == targetCell[0] && mDragInfo.cellY == targetCell[1]) && (cellParent == target);
    }
    if (v == null || hasntMoved || !mCreateUserFolderOnDrop)
        return false;
    mCreateUserFolderOnDrop = false;
    final int screenId = getIdForScreen(target);
    boolean aboveShortcut = (v.getTag() instanceof WorkspaceItemInfo);
    boolean willBecomeShortcut = (newView.getTag() instanceof WorkspaceItemInfo);
    if (aboveShortcut && willBecomeShortcut) {
        WorkspaceItemInfo sourceInfo = (WorkspaceItemInfo) newView.getTag();
        WorkspaceItemInfo destInfo = (WorkspaceItemInfo) v.getTag();
        // if the drag started here, we need to remove it from the workspace
        if (!external) {
            getParentCellLayoutForView(mDragInfo.cell).removeView(mDragInfo.cell);
        }
        Rect folderLocation = new Rect();
        float scale = mLauncher.getDragLayer().getDescendantRectRelativeToSelf(v, folderLocation);
        target.removeView(v);
        FolderIcon fi = mLauncher.addFolder(target, container, screenId, targetCell[0], targetCell[1]);
        destInfo.cellX = -1;
        destInfo.cellY = -1;
        sourceInfo.cellX = -1;
        sourceInfo.cellY = -1;
        // If the dragView is null, we can't animate
        boolean animate = dragView != null;
        if (animate) {
            // In order to keep everything continuous, we hand off the currently rendered
            // folder background to the newly created icon. This preserves animation state.
            fi.setFolderBackground(mFolderCreateBg);
            mFolderCreateBg = new PreviewBackground();
            fi.performCreateAnimation(destInfo, v, sourceInfo, dragView, folderLocation, scale);
        } else {
            fi.prepareCreateAnimation(v);
            fi.addItem(destInfo);
            fi.addItem(sourceInfo);
        }
        return true;
    }
    return false;
}