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Commit 9fb11f4d authored by Stefan Andonian's avatar Stefan Andonian Committed by Android (Google) Code Review
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Merge "[Test Week] Move ListenableHostView into it's own class for ease of unit testing." into main

parents 984d7820 487a2172
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+0 −39
Original line number Diff line number Diff line
@@ -21,22 +21,16 @@ import static com.android.launcher3.widget.LauncherWidgetHolder.APPWIDGET_HOST_I
import android.appwidget.AppWidgetHost;
import android.appwidget.AppWidgetProviderInfo;
import android.content.Context;
import android.view.accessibility.AccessibilityNodeInfo;
import android.widget.RemoteViews;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;

import com.android.launcher3.LauncherAppState;
import com.android.launcher3.util.Executors;
import com.android.launcher3.util.SafeCloseable;
import com.android.launcher3.widget.LauncherWidgetHolder.ProviderChangedListener;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import java.util.WeakHashMap;
import java.util.function.IntConsumer;

/**
@@ -129,37 +123,4 @@ class LauncherAppWidgetHost extends AppWidgetHost {
    public void clearViews() {
        super.clearViews();
    }

    public static class ListenableHostView extends LauncherAppWidgetHostView {

        private Set<Runnable> mUpdateListeners = Collections.EMPTY_SET;

        ListenableHostView(Context context) {
            super(context);
        }

        @Override
        public void updateAppWidget(RemoteViews remoteViews) {
            super.updateAppWidget(remoteViews);
            mUpdateListeners.forEach(Runnable::run);
        }

        @Override
        public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
            super.onInitializeAccessibilityNodeInfo(info);
            info.setClassName(LauncherAppWidgetHostView.class.getName());
        }

        /**
         * Adds a callback to be run everytime the provided app widget updates.
         * @return a closable to remove this callback
         */
        public SafeCloseable addUpdateListener(Runnable callback) {
            if (mUpdateListeners == Collections.EMPTY_SET) {
                mUpdateListeners = Collections.newSetFromMap(new WeakHashMap<>());
            }
            mUpdateListeners.add(callback);
            return () -> mUpdateListeners.remove(callback);
        }
    }
}
+0 −1
Original line number Diff line number Diff line
@@ -50,7 +50,6 @@ import com.android.launcher3.testing.shared.TestProtocol;
import com.android.launcher3.util.LooperExecutor;
import com.android.launcher3.util.ResourceBasedOverride;
import com.android.launcher3.util.SafeCloseable;
import com.android.launcher3.widget.LauncherAppWidgetHost.ListenableHostView;
import com.android.launcher3.widget.custom.CustomWidgetManager;

import java.util.ArrayList;
+60 −0
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/*
 * Copyright (C) 2024 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.widget;

import android.content.Context;
import android.view.accessibility.AccessibilityNodeInfo;
import android.widget.RemoteViews;

import com.android.launcher3.util.SafeCloseable;

import java.util.Collections;
import java.util.Set;
import java.util.WeakHashMap;

public class ListenableHostView extends LauncherAppWidgetHostView {

    private Set<Runnable> mUpdateListeners = Collections.EMPTY_SET;

    ListenableHostView(Context context) {
        super(context);
    }

    @Override
    public void updateAppWidget(RemoteViews remoteViews) {
        super.updateAppWidget(remoteViews);
        mUpdateListeners.forEach(Runnable::run);
    }

    @Override
    public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
        super.onInitializeAccessibilityNodeInfo(info);
        info.setClassName(LauncherAppWidgetHostView.class.getName());
    }

    /**
     * Adds a callback to be run everytime the provided app widget updates.
     * @return a closable to remove this callback
     */
    public SafeCloseable addUpdateListener(Runnable callback) {
        if (mUpdateListeners == Collections.EMPTY_SET) {
            mUpdateListeners = Collections.newSetFromMap(new WeakHashMap<>());
        }
        mUpdateListeners.add(callback);
        return () -> mUpdateListeners.remove(callback);
    }
}