| package com.android.launcher3; |
| |
| import android.annotation.TargetApi; |
| import android.os.Build; |
| import android.os.Bundle; |
| import android.util.SparseArray; |
| import android.view.View; |
| import android.view.View.AccessibilityDelegate; |
| import android.view.accessibility.AccessibilityNodeInfo; |
| import android.view.accessibility.AccessibilityNodeInfo.AccessibilityAction; |
| |
| import com.android.launcher3.LauncherModel.ScreenPosProvider; |
| |
| import java.util.ArrayList; |
| |
| @TargetApi(Build.VERSION_CODES.LOLLIPOP) |
| public class LauncherAccessibilityDelegate extends AccessibilityDelegate { |
| |
| public static final int REMOVE = R.id.action_remove; |
| public static final int INFO = R.id.action_info; |
| public static final int UNINSTALL = R.id.action_uninstall; |
| public static final int ADD_TO_WORKSPACE = R.id.action_add_to_workspace; |
| |
| private final SparseArray<AccessibilityAction> mActions = |
| new SparseArray<AccessibilityAction>(); |
| private final Launcher mLauncher; |
| |
| public LauncherAccessibilityDelegate(Launcher launcher) { |
| mLauncher = launcher; |
| |
| mActions.put(REMOVE, new AccessibilityAction(REMOVE, |
| launcher.getText(R.string.delete_target_label))); |
| mActions.put(INFO, new AccessibilityAction(INFO, |
| launcher.getText(R.string.info_target_label))); |
| mActions.put(UNINSTALL, new AccessibilityAction(UNINSTALL, |
| launcher.getText(R.string.delete_target_uninstall_label))); |
| mActions.put(ADD_TO_WORKSPACE, new AccessibilityAction(ADD_TO_WORKSPACE, |
| launcher.getText(R.string.action_add_to_workspace))); |
| } |
| |
| @Override |
| public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfo info) { |
| super.onInitializeAccessibilityNodeInfo(host, info); |
| if (!(host.getTag() instanceof ItemInfo)) return; |
| ItemInfo item = (ItemInfo) host.getTag(); |
| |
| if ((item instanceof ShortcutInfo) |
| || (item instanceof LauncherAppWidgetInfo) |
| || (item instanceof FolderInfo)) { |
| // Workspace shortcut / widget |
| info.addAction(mActions.get(REMOVE)); |
| } else if ((item instanceof AppInfo) || (item instanceof PendingAddItemInfo)) { |
| // App or Widget from customization tray |
| if (item instanceof AppInfo) { |
| info.addAction(mActions.get(UNINSTALL)); |
| } |
| info.addAction(mActions.get(INFO)); |
| info.addAction(mActions.get(ADD_TO_WORKSPACE)); |
| } |
| } |
| |
| @Override |
| public boolean performAccessibilityAction(View host, int action, Bundle args) { |
| if ((host.getTag() instanceof ItemInfo) |
| && performAction(host, (ItemInfo) host.getTag(), action)) { |
| return true; |
| } |
| return super.performAccessibilityAction(host, action, args); |
| } |
| |
| public boolean performAction(View host, ItemInfo item, int action) { |
| if (action == REMOVE) { |
| return DeleteDropTarget.removeWorkspaceOrFolderItem(mLauncher, item, host); |
| } else if (action == INFO) { |
| InfoDropTarget.startDetailsActivityForInfo(item, mLauncher); |
| return true; |
| } else if (action == UNINSTALL) { |
| DeleteDropTarget.uninstallApp(mLauncher, (AppInfo) item); |
| return true; |
| } else if (action == ADD_TO_WORKSPACE) { |
| final int preferredPage = mLauncher.getWorkspace().getCurrentPage(); |
| final ScreenPosProvider screenProvider = new ScreenPosProvider() { |
| |
| @Override |
| public int getScreenIndex(ArrayList<Long> screenIDs) { |
| return preferredPage; |
| } |
| }; |
| if (item instanceof AppInfo) { |
| final ArrayList<ItemInfo> addShortcuts = new ArrayList<ItemInfo>(); |
| addShortcuts.add(((AppInfo) item).makeShortcut()); |
| mLauncher.showWorkspace(true, new Runnable() { |
| |
| @Override |
| public void run() { |
| mLauncher.getModel().addAndBindAddedWorkspaceApps( |
| mLauncher, addShortcuts, screenProvider, 0, true); |
| } |
| }); |
| return true; |
| } else if (item instanceof PendingAddItemInfo) { |
| mLauncher.getModel().addAndBindPendingItem( |
| mLauncher, (PendingAddItemInfo) item, screenProvider, 0); |
| return true; |
| } |
| } |
| return false; |
| } |
| } |