| /* |
| * 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; |
| |
| import android.content.Context; |
| import android.support.annotation.IntDef; |
| import android.util.AttributeSet; |
| import android.view.View; |
| import android.widget.LinearLayout; |
| |
| import com.android.launcher3.dragndrop.DragLayer; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| |
| /** |
| * Base class for a View which shows a floating UI on top of the launcher UI. |
| */ |
| public abstract class AbstractFloatingView extends LinearLayout { |
| |
| @IntDef(flag = true, value = {TYPE_FOLDER, TYPE_DEEPSHORTCUT_CONTAINER}) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface FloatingViewType {} |
| public static final int TYPE_FOLDER = 1 << 0; |
| public static final int TYPE_DEEPSHORTCUT_CONTAINER = 1 << 1; |
| |
| protected boolean mIsOpen; |
| |
| public AbstractFloatingView(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| } |
| |
| public AbstractFloatingView(Context context, AttributeSet attrs, int defStyleAttr) { |
| super(context, attrs, defStyleAttr); |
| } |
| |
| public final void close(boolean animate) { |
| animate &= !Utilities.isPowerSaverOn(getContext()); |
| handleClose(animate); |
| Launcher.getLauncher(getContext()).getUserEventDispatcher().resetElapsedContainerMillis(); |
| } |
| |
| protected abstract void handleClose(boolean animate); |
| |
| /** |
| * If the view is current handling keyboard, return the active target, null otherwise |
| */ |
| public ExtendedEditText getActiveTextView() { |
| return null; |
| } |
| |
| |
| /** |
| * Any additional view (outside of this container) where touch should be allowed while this |
| * view is visible. |
| */ |
| public View getExtendedTouchView() { |
| return null; |
| } |
| |
| public final boolean isOpen() { |
| return mIsOpen; |
| } |
| |
| protected abstract boolean isOfType(@FloatingViewType int type); |
| |
| protected static <T extends AbstractFloatingView> T getOpenView( |
| Launcher launcher, @FloatingViewType int type) { |
| DragLayer dragLayer = launcher.getDragLayer(); |
| // Iterate in reverse order. AbstractFloatingView is added later to the dragLayer, |
| // and will be one of the last views. |
| for (int i = dragLayer.getChildCount() - 1; i >= 0; i--) { |
| View child = dragLayer.getChildAt(i); |
| if (child instanceof AbstractFloatingView) { |
| AbstractFloatingView view = (AbstractFloatingView) child; |
| if (view.isOfType(type) && view.isOpen()) { |
| return (T) view; |
| } |
| } |
| } |
| return null; |
| } |
| |
| protected static void closeOpenContainer(Launcher launcher, @FloatingViewType int type) { |
| AbstractFloatingView view = getOpenView(launcher, type); |
| if (view != null) { |
| view.close(true); |
| } |
| } |
| |
| public static void closeAllOpenViews(Launcher launcher, boolean animate) { |
| DragLayer dragLayer = launcher.getDragLayer(); |
| // Iterate in reverse order. AbstractFloatingView is added later to the dragLayer, |
| // and will be one of the last views. |
| for (int i = dragLayer.getChildCount() - 1; i >= 0; i--) { |
| View child = dragLayer.getChildAt(i); |
| if (child instanceof AbstractFloatingView) { |
| ((AbstractFloatingView) child).close(animate); |
| } |
| } |
| } |
| |
| public static void closeAllOpenViews(Launcher launcher) { |
| closeAllOpenViews(launcher, true); |
| } |
| |
| public static AbstractFloatingView getTopOpenView(Launcher launcher) { |
| return getOpenView(launcher, TYPE_FOLDER | TYPE_DEEPSHORTCUT_CONTAINER); |
| } |
| } |