/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.systemui.charging;
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import android.annotation.NonNull;
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import android.annotation.Nullable;
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import android.content.Context;
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import android.graphics.PixelFormat;
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import android.os.Handler;
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import android.os.Looper;
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import android.os.Message;
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import android.util.Log;
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import android.util.Slog;
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import android.view.Gravity;
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import android.view.View;
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import android.view.WindowManager;
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/**
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* A WirelessChargingAnimation is a view containing view + animation for wireless charging.
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* @hide
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*/
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public class WirelessChargingAnimation {
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public static final long DURATION = 1133;
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private static final String TAG = "WirelessChargingView";
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private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
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private final WirelessChargingView mCurrentWirelessChargingView;
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private static WirelessChargingView mPreviousWirelessChargingView;
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public interface Callback {
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void onAnimationStarting();
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void onAnimationEnded();
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}
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/**
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* Constructs an empty WirelessChargingAnimation object. If looper is null,
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* Looper.myLooper() is used. Must set
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* {@link WirelessChargingAnimation#mCurrentWirelessChargingView}
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* before calling {@link #show} - can be done through {@link #makeWirelessChargingAnimation}.
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* @hide
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*/
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public WirelessChargingAnimation(@NonNull Context context, @Nullable Looper looper, int
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batteryLevel, Callback callback, boolean isDozing) {
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mCurrentWirelessChargingView = new WirelessChargingView(context, looper,
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batteryLevel, callback, isDozing);
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}
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/**
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* Creates a wireless charging animation object populated with next view.
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* @hide
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*/
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public static WirelessChargingAnimation makeWirelessChargingAnimation(@NonNull Context context,
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@Nullable Looper looper, int batteryLevel, Callback callback, boolean isDozing) {
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return new WirelessChargingAnimation(context, looper, batteryLevel, callback, isDozing);
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}
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/**
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* Show the view for the specified duration.
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*/
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public void show() {
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if (mCurrentWirelessChargingView == null ||
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mCurrentWirelessChargingView.mNextView == null) {
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throw new RuntimeException("setView must have been called");
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}
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if (mPreviousWirelessChargingView != null) {
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mPreviousWirelessChargingView.hide(0);
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}
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mPreviousWirelessChargingView = mCurrentWirelessChargingView;
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mCurrentWirelessChargingView.show();
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mCurrentWirelessChargingView.hide(DURATION);
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}
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private static class WirelessChargingView {
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private static final int SHOW = 0;
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private static final int HIDE = 1;
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private final WindowManager.LayoutParams mParams = new WindowManager.LayoutParams();
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private final Handler mHandler;
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private int mGravity;
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private View mView;
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private View mNextView;
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private WindowManager mWM;
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private Callback mCallback;
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public WirelessChargingView(Context context, @Nullable Looper looper, int batteryLevel,
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Callback callback, boolean isDozing) {
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mCallback = callback;
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mNextView = new WirelessChargingLayout(context, batteryLevel, isDozing);
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mGravity = Gravity.CENTER_HORIZONTAL | Gravity.CENTER;
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final WindowManager.LayoutParams params = mParams;
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params.height = WindowManager.LayoutParams.WRAP_CONTENT;
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params.width = WindowManager.LayoutParams.MATCH_PARENT;
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params.format = PixelFormat.TRANSLUCENT;
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params.type = WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG;
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params.setTitle("Charging Animation");
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params.flags = WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
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| WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
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| WindowManager.LayoutParams.FLAG_DIM_BEHIND;
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params.dimAmount = .3f;
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if (looper == null) {
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// Use Looper.myLooper() if looper is not specified.
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looper = Looper.myLooper();
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if (looper == null) {
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throw new RuntimeException(
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"Can't display wireless animation on a thread that has not called "
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+ "Looper.prepare()");
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}
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}
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mHandler = new Handler(looper, null) {
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@Override
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public void handleMessage(Message msg) {
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switch (msg.what) {
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case SHOW: {
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handleShow();
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break;
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}
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case HIDE: {
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handleHide();
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// Don't do this in handleHide() because it is also invoked by
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// handleShow()
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mNextView = null;
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break;
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}
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}
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}
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};
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}
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public void show() {
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if (DEBUG) Slog.d(TAG, "SHOW: " + this);
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mHandler.obtainMessage(SHOW).sendToTarget();
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}
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public void hide(long duration) {
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mHandler.removeMessages(HIDE);
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if (DEBUG) Slog.d(TAG, "HIDE: " + this);
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mHandler.sendMessageDelayed(Message.obtain(mHandler, HIDE), duration);
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}
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private void handleShow() {
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if (DEBUG) {
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Slog.d(TAG, "HANDLE SHOW: " + this + " mView=" + mView + " mNextView="
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+ mNextView);
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}
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if (mView != mNextView) {
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// remove the old view if necessary
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handleHide();
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mView = mNextView;
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Context context = mView.getContext().getApplicationContext();
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String packageName = mView.getContext().getOpPackageName();
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if (context == null) {
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context = mView.getContext();
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}
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mWM = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
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mParams.packageName = packageName;
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mParams.hideTimeoutMilliseconds = DURATION;
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if (mView.getParent() != null) {
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if (DEBUG) Slog.d(TAG, "REMOVE! " + mView + " in " + this);
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mWM.removeView(mView);
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}
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if (DEBUG) Slog.d(TAG, "ADD! " + mView + " in " + this);
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try {
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if (mCallback != null) {
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mCallback.onAnimationStarting();
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}
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mWM.addView(mView, mParams);
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} catch (WindowManager.BadTokenException e) {
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Slog.d(TAG, "Unable to add wireless charging view. " + e);
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}
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}
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}
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private void handleHide() {
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if (DEBUG) Slog.d(TAG, "HANDLE HIDE: " + this + " mView=" + mView);
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if (mView != null) {
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if (mView.getParent() != null) {
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if (DEBUG) Slog.d(TAG, "REMOVE! " + mView + " in " + this);
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if (mCallback != null) {
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mCallback.onAnimationEnded();
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}
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mWM.removeViewImmediate(mView);
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}
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mView = null;
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}
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}
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}
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}
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