diff options
Diffstat (limited to 'src/com/android/launcher3/keyboard/CustomActionsPopup.java')
-rw-r--r-- | src/com/android/launcher3/keyboard/CustomActionsPopup.java | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/src/com/android/launcher3/keyboard/CustomActionsPopup.java b/src/com/android/launcher3/keyboard/CustomActionsPopup.java new file mode 100644 index 000000000..6603e93b0 --- /dev/null +++ b/src/com/android/launcher3/keyboard/CustomActionsPopup.java @@ -0,0 +1,93 @@ +/* + * Copyright (C) 2016 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.launcher3.keyboard; + +import android.view.Menu; +import android.view.MenuItem; +import android.view.View; +import android.view.accessibility.AccessibilityNodeInfo; +import android.view.accessibility.AccessibilityNodeInfo.AccessibilityAction; +import android.widget.PopupMenu; +import android.widget.PopupMenu.OnMenuItemClickListener; + +import com.android.launcher3.ItemInfo; +import com.android.launcher3.Launcher; +import com.android.launcher3.accessibility.LauncherAccessibilityDelegate; +import com.android.launcher3.shortcuts.DeepShortcutsContainer; + +import java.util.ArrayList; +import java.util.Collections; +import java.util.List; + +/** + * Handles showing a popup menu with available custom actions for a launcher icon. + * This allows exposing various custom actions using keyboard shortcuts. + */ +public class CustomActionsPopup implements OnMenuItemClickListener { + + private final Launcher mLauncher; + private final LauncherAccessibilityDelegate mDelegate; + private final View mIcon; + + public CustomActionsPopup(Launcher launcher, View icon) { + mLauncher = launcher; + mIcon = icon; + DeepShortcutsContainer container = DeepShortcutsContainer.getOpen(launcher); + if (container != null) { + mDelegate = container.getAccessibilityDelegate(); + } else { + mDelegate = launcher.getAccessibilityDelegate(); + } + } + + private List<AccessibilityAction> getActionList() { + if (mIcon == null || !(mIcon.getTag() instanceof ItemInfo)) { + return Collections.EMPTY_LIST; + } + + AccessibilityNodeInfo info = AccessibilityNodeInfo.obtain(); + mDelegate.addSupportedActions(mIcon, info, true); + List<AccessibilityAction> result = new ArrayList<>(info.getActionList()); + info.recycle(); + return result; + } + + public boolean canShow() { + return !getActionList().isEmpty(); + } + + public boolean show() { + List<AccessibilityAction> actions = getActionList(); + if (actions.isEmpty()) { + return false; + } + + PopupMenu popup = new PopupMenu(mLauncher, mIcon); + popup.setOnMenuItemClickListener(this); + Menu menu = popup.getMenu(); + for (AccessibilityAction action : actions) { + menu.add(Menu.NONE, action.getId(), Menu.NONE, action.getLabel()); + } + popup.show(); + return true; + } + + @Override + public boolean onMenuItemClick(MenuItem menuItem) { + return mDelegate.performAction(mIcon, (ItemInfo) mIcon.getTag(), menuItem.getItemId()); + } +} |