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/*
* Copyright (C) 2015 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.incallui.call;
import android.content.Context;
import android.content.pm.PackageManager;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.content.ContextCompat;
import android.telecom.VideoProfile;
import com.android.dialer.compat.CompatUtils;
import com.android.dialer.util.DialerUtils;
import com.android.incallui.call.DialerCall.SessionModificationState;
import java.util.Objects;
public class VideoUtils {
private static final String PREFERENCE_CAMERA_ALLOWED_BY_USER = "camera_allowed_by_user";
public static boolean isVideoCall(@Nullable DialerCall call) {
return call != null && isVideoCall(call.getVideoState());
}
public static boolean isVideoCall(int videoState) {
return CompatUtils.isVideoCompatible()
&& (VideoProfile.isTransmissionEnabled(videoState)
|| VideoProfile.isReceptionEnabled(videoState));
}
public static boolean hasSentVideoUpgradeRequest(@Nullable DialerCall call) {
return call != null && hasSentVideoUpgradeRequest(call.getSessionModificationState());
}
public static boolean hasSentVideoUpgradeRequest(@SessionModificationState int state) {
return state == DialerCall.SESSION_MODIFICATION_STATE_WAITING_FOR_UPGRADE_TO_VIDEO_RESPONSE
|| state == DialerCall.SESSION_MODIFICATION_STATE_UPGRADE_TO_VIDEO_REQUEST_FAILED
|| state == DialerCall.SESSION_MODIFICATION_STATE_REQUEST_REJECTED
|| state == DialerCall.SESSION_MODIFICATION_STATE_UPGRADE_TO_VIDEO_REQUEST_TIMED_OUT;
}
public static boolean hasReceivedVideoUpgradeRequest(@Nullable DialerCall call) {
return call != null && hasReceivedVideoUpgradeRequest(call.getSessionModificationState());
}
public static boolean hasReceivedVideoUpgradeRequest(@SessionModificationState int state) {
return state == DialerCall.SESSION_MODIFICATION_STATE_RECEIVED_UPGRADE_TO_VIDEO_REQUEST;
}
public static boolean isBidirectionalVideoCall(DialerCall call) {
return CompatUtils.isVideoCompatible() && VideoProfile.isBidirectional(call.getVideoState());
}
public static boolean isTransmissionEnabled(DialerCall call) {
if (!CompatUtils.isVideoCompatible()) {
return false;
}
return VideoProfile.isTransmissionEnabled(call.getVideoState());
}
public static boolean isIncomingVideoCall(DialerCall call) {
if (!VideoUtils.isVideoCall(call)) {
return false;
}
final int state = call.getState();
return (state == DialerCall.State.INCOMING) || (state == DialerCall.State.CALL_WAITING);
}
public static boolean isActiveVideoCall(DialerCall call) {
return VideoUtils.isVideoCall(call) && call.getState() == DialerCall.State.ACTIVE;
}
public static boolean isOutgoingVideoCall(DialerCall call) {
if (!VideoUtils.isVideoCall(call)) {
return false;
}
final int state = call.getState();
return DialerCall.State.isDialing(state)
|| state == DialerCall.State.CONNECTING
|| state == DialerCall.State.SELECT_PHONE_ACCOUNT;
}
public static boolean isAudioCall(DialerCall call) {
if (!CompatUtils.isVideoCompatible()) {
return true;
}
return call != null && VideoProfile.isAudioOnly(call.getVideoState());
}
// TODO (ims-vt) Check if special handling is needed for CONF calls.
public static boolean canVideoPause(DialerCall call) {
return isVideoCall(call) && call.getState() == DialerCall.State.ACTIVE;
}
public static VideoProfile makeVideoPauseProfile(@NonNull DialerCall call) {
Objects.requireNonNull(call);
if (VideoProfile.isAudioOnly(call.getVideoState())) {
throw new IllegalStateException();
}
return new VideoProfile(getPausedVideoState(call.getVideoState()));
}
public static VideoProfile makeVideoUnPauseProfile(@NonNull DialerCall call) {
Objects.requireNonNull(call);
return new VideoProfile(getUnPausedVideoState(call.getVideoState()));
}
public static int getUnPausedVideoState(int videoState) {
return videoState & (~VideoProfile.STATE_PAUSED);
}
public static int getPausedVideoState(int videoState) {
return videoState | VideoProfile.STATE_PAUSED;
}
public static boolean hasCameraPermissionAndAllowedByUser(@NonNull Context context) {
return isCameraAllowedByUser(context) && hasCameraPermission(context);
}
public static boolean hasCameraPermission(@NonNull Context context) {
return ContextCompat.checkSelfPermission(context, android.Manifest.permission.CAMERA)
== PackageManager.PERMISSION_GRANTED;
}
public static boolean isCameraAllowedByUser(@NonNull Context context) {
return DialerUtils.getDefaultSharedPreferenceForDeviceProtectedStorageContext(context)
.getBoolean(PREFERENCE_CAMERA_ALLOWED_BY_USER, false);
}
public static void setCameraAllowedByUser(@NonNull Context context) {
DialerUtils.getDefaultSharedPreferenceForDeviceProtectedStorageContext(context)
.edit()
.putBoolean(PREFERENCE_CAMERA_ALLOWED_BY_USER, true)
.apply();
}
}
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