diff options
Diffstat (limited to 'mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/util/RepeatModeUtil.java')
-rw-r--r-- | mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/util/RepeatModeUtil.java | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/util/RepeatModeUtil.java b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/util/RepeatModeUtil.java new file mode 100644 index 0000000000..c4964e6848 --- /dev/null +++ b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/util/RepeatModeUtil.java @@ -0,0 +1,95 @@ +/* + * Copyright (C) 2017 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 org.mozilla.thirdparty.com.google.android.exoplayer2.util; + +import androidx.annotation.IntDef; +import org.mozilla.thirdparty.com.google.android.exoplayer2.Player; +import java.lang.annotation.Documented; +import java.lang.annotation.Retention; +import java.lang.annotation.RetentionPolicy; + +/** + * Util class for repeat mode handling. + */ +public final class RepeatModeUtil { + + // LINT.IfChange + /** + * Set of repeat toggle modes. Can be combined using bit-wise operations. Possible flag values are + * {@link #REPEAT_TOGGLE_MODE_NONE}, {@link #REPEAT_TOGGLE_MODE_ONE} and {@link + * #REPEAT_TOGGLE_MODE_ALL}. + */ + @Documented + @Retention(RetentionPolicy.SOURCE) + @IntDef( + flag = true, + value = {REPEAT_TOGGLE_MODE_NONE, REPEAT_TOGGLE_MODE_ONE, REPEAT_TOGGLE_MODE_ALL}) + public @interface RepeatToggleModes {} + /** + * All repeat mode buttons disabled. + */ + public static final int REPEAT_TOGGLE_MODE_NONE = 0; + /** + * "Repeat One" button enabled. + */ + public static final int REPEAT_TOGGLE_MODE_ONE = 1; + /** "Repeat All" button enabled. */ + public static final int REPEAT_TOGGLE_MODE_ALL = 1 << 1; // 2 + // LINT.ThenChange(../../../../../../../../../ui/src/main/res/values/attrs.xml) + + private RepeatModeUtil() { + // Prevent instantiation. + } + + /** + * Gets the next repeat mode out of {@code enabledModes} starting from {@code currentMode}. + * + * @param currentMode The current repeat mode. + * @param enabledModes Bitmask of enabled modes. + * @return The next repeat mode. + */ + public static @Player.RepeatMode int getNextRepeatMode(@Player.RepeatMode int currentMode, + int enabledModes) { + for (int offset = 1; offset <= 2; offset++) { + @Player.RepeatMode int proposedMode = (currentMode + offset) % 3; + if (isRepeatModeEnabled(proposedMode, enabledModes)) { + return proposedMode; + } + } + return currentMode; + } + + /** + * Verifies whether a given {@code repeatMode} is enabled in the bitmask {@code enabledModes}. + * + * @param repeatMode The mode to check. + * @param enabledModes The bitmask representing the enabled modes. + * @return {@code true} if enabled. + */ + public static boolean isRepeatModeEnabled(@Player.RepeatMode int repeatMode, int enabledModes) { + switch (repeatMode) { + case Player.REPEAT_MODE_OFF: + return true; + case Player.REPEAT_MODE_ONE: + return (enabledModes & REPEAT_TOGGLE_MODE_ONE) != 0; + case Player.REPEAT_MODE_ALL: + return (enabledModes & REPEAT_TOGGLE_MODE_ALL) != 0; + default: + return false; + } + } + +} |