108 lines
4.0 KiB
Java
108 lines
4.0 KiB
Java
/*
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* Copyright (C) 2022 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 android.app;
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import static android.app.Activity.FULLSCREEN_MODE_REQUEST_EXIT;
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import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
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import android.annotation.IntDef;
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import android.annotation.NonNull;
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import android.annotation.Nullable;
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import android.content.res.Configuration;
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import android.os.Bundle;
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import android.os.IBinder;
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import android.os.IRemoteCallback;
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import android.os.OutcomeReceiver;
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/**
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* @hide
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*/
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public class FullscreenRequestHandler {
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@IntDef(prefix = { "RESULT_" }, value = {
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RESULT_APPROVED,
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RESULT_FAILED_NOT_IN_FULLSCREEN_WITH_HISTORY,
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RESULT_FAILED_NOT_TOP_FOCUSED
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})
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public @interface RequestResult {}
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public static final int RESULT_APPROVED = 0;
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public static final int RESULT_FAILED_NOT_IN_FULLSCREEN_WITH_HISTORY = 1;
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public static final int RESULT_FAILED_NOT_TOP_FOCUSED = 2;
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public static final String REMOTE_CALLBACK_RESULT_KEY = "result";
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static void requestFullscreenMode(@NonNull @Activity.FullscreenModeRequest int request,
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@Nullable OutcomeReceiver<Void, Throwable> approvalCallback, Configuration config,
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IBinder token) {
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int earlyCheck = earlyCheckRequestMatchesWindowingMode(
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request, config.windowConfiguration.getWindowingMode());
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if (earlyCheck != RESULT_APPROVED) {
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if (approvalCallback != null) {
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notifyFullscreenRequestResult(approvalCallback, earlyCheck);
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}
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return;
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}
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try {
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if (approvalCallback != null) {
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ActivityClient.getInstance().requestMultiwindowFullscreen(token, request,
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new IRemoteCallback.Stub() {
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@Override
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public void sendResult(Bundle res) {
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notifyFullscreenRequestResult(
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approvalCallback, res.getInt(REMOTE_CALLBACK_RESULT_KEY));
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}
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});
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} else {
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ActivityClient.getInstance().requestMultiwindowFullscreen(token, request, null);
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}
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} catch (Throwable e) {
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if (approvalCallback != null) {
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approvalCallback.onError(e);
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}
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}
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}
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private static void notifyFullscreenRequestResult(
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OutcomeReceiver<Void, Throwable> callback, int result) {
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Throwable e = null;
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switch (result) {
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case RESULT_FAILED_NOT_IN_FULLSCREEN_WITH_HISTORY:
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e = new IllegalStateException("The window is not in fullscreen by calling the "
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+ "requestFullscreenMode API before, such that cannot be restored.");
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break;
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case RESULT_FAILED_NOT_TOP_FOCUSED:
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e = new IllegalStateException("The window is not the top focused window.");
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break;
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default:
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callback.onResult(null);
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break;
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}
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if (e != null) {
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callback.onError(e);
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}
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}
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private static int earlyCheckRequestMatchesWindowingMode(int request, int windowingMode) {
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if (request == FULLSCREEN_MODE_REQUEST_EXIT) {
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if (windowingMode != WINDOWING_MODE_FULLSCREEN) {
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return RESULT_FAILED_NOT_IN_FULLSCREEN_WITH_HISTORY;
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}
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}
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return RESULT_APPROVED;
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}
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}
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