packages/SystemUI/src/com/android/systemui/screenrecord/ScreenRecordDialog.java

/*
 * Copyright (C) 2018 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.systemui.screenrecord;

import android.Manifest;
import android.app.Activity;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.media.projection.MediaProjectionManager;
import android.os.Bundle;
import android.widget.Toast;

import com.android.systemui.R;

import javax.inject.Inject;

/**
 * Activity to select screen recording options
 */
public class ScreenRecordDialog extends Activity {
    private static final int REQUEST_CODE_VIDEO_ONLY = 200;
    private static final int REQUEST_CODE_VIDEO_TAPS = 201;
    private static final int REQUEST_CODE_PERMISSIONS = 299;
    private static final int REQUEST_CODE_VIDEO_AUDIO = 300;
    private static final int REQUEST_CODE_VIDEO_AUDIO_TAPS = 301;
    private static final int REQUEST_CODE_PERMISSIONS_AUDIO = 399;
    private static final long DELAY_MS = 3000;

    private final RecordingController mController;

    @Inject
    public ScreenRecordDialog(RecordingController controller) {
        mController = controller;
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        requestScreenCapture();
    }

    private void requestScreenCapture() {
        MediaProjectionManager mediaProjectionManager = (MediaProjectionManager) getSystemService(
                Context.MEDIA_PROJECTION_SERVICE);
        Intent permissionIntent = mediaProjectionManager.createScreenCaptureIntent();

        // TODO get saved settings
        boolean useAudio = false;
        boolean showTaps = false;
        if (useAudio) {
            startActivityForResult(permissionIntent,
                    showTaps ? REQUEST_CODE_VIDEO_AUDIO_TAPS : REQUEST_CODE_VIDEO_AUDIO);
        } else {
            startActivityForResult(permissionIntent,
                    showTaps ? REQUEST_CODE_VIDEO_TAPS : REQUEST_CODE_VIDEO_ONLY);
        }
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        boolean showTaps = (requestCode == REQUEST_CODE_VIDEO_TAPS
                || requestCode == REQUEST_CODE_VIDEO_AUDIO_TAPS);
        boolean useAudio = (requestCode == REQUEST_CODE_VIDEO_AUDIO
                || requestCode == REQUEST_CODE_VIDEO_AUDIO_TAPS);
        switch (requestCode) {
            case REQUEST_CODE_VIDEO_TAPS:
            case REQUEST_CODE_VIDEO_AUDIO_TAPS:
            case REQUEST_CODE_VIDEO_ONLY:
            case REQUEST_CODE_VIDEO_AUDIO:
                if (resultCode == RESULT_OK) {
                    PendingIntent startIntent = PendingIntent.getForegroundService(
                            this, RecordingService.REQUEST_CODE, RecordingService.getStartIntent(
                                    ScreenRecordDialog.this, resultCode, data, useAudio,
                                    showTaps),
                            PendingIntent.FLAG_UPDATE_CURRENT
                            );
                    PendingIntent stopIntent = PendingIntent.getService(
                            this, RecordingService.REQUEST_CODE,
                            RecordingService.getStopIntent(this),
                            PendingIntent.FLAG_UPDATE_CURRENT);
                    mController.startCountdown(DELAY_MS, startIntent, stopIntent);
                } else {
                    Toast.makeText(this,
                            getResources().getString(R.string.screenrecord_permission_error),
                            Toast.LENGTH_SHORT).show();
                }
                finish();
                break;
            case REQUEST_CODE_PERMISSIONS:
                int permission = checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE);
                if (permission != PackageManager.PERMISSION_GRANTED) {
                    Toast.makeText(this,
                            getResources().getString(R.string.screenrecord_permission_error),
                            Toast.LENGTH_SHORT).show();
                    finish();
                } else {
                    requestScreenCapture();
                }
                break;
            case REQUEST_CODE_PERMISSIONS_AUDIO:
                int videoPermission = checkSelfPermission(
                        Manifest.permission.WRITE_EXTERNAL_STORAGE);
                int audioPermission = checkSelfPermission(Manifest.permission.RECORD_AUDIO);
                if (videoPermission != PackageManager.PERMISSION_GRANTED
                        || audioPermission != PackageManager.PERMISSION_GRANTED) {
                    Toast.makeText(this,
                            getResources().getString(R.string.screenrecord_permission_error),
                            Toast.LENGTH_SHORT).show();
                    finish();
                } else {
                    requestScreenCapture();
                }
                break;
        }
    }
}