| /* |
| * Copyright (C) 2010 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 android.media.videoeditor; |
| |
| /** |
| * This class allows to create sliding transitions |
| * {@hide} |
| */ |
| public class TransitionSliding extends Transition { |
| |
| /** Video 1 is pushed to the right while video 2 is coming from left */ |
| public final static int DIRECTION_RIGHT_OUT_LEFT_IN = 0; |
| /** Video 1 is pushed to the left while video 2 is coming from right */ |
| public static final int DIRECTION_LEFT_OUT_RIGHT_IN = 1; |
| /** Video 1 is pushed to the top while video 2 is coming from bottom */ |
| public static final int DIRECTION_TOP_OUT_BOTTOM_IN = 2; |
| /** Video 1 is pushed to the bottom while video 2 is coming from top */ |
| public static final int DIRECTION_BOTTOM_OUT_TOP_IN = 3; |
| |
| // The sliding transitions |
| private final int mSlidingDirection; |
| |
| /** |
| * An object of this type cannot be instantiated by using the default |
| * constructor |
| */ |
| @SuppressWarnings("unused") |
| private TransitionSliding() { |
| this(null, null, null, 0, 0, 0); |
| } |
| |
| /** |
| * Constructor |
| * |
| * @param transitionId The transition id |
| * @param afterMediaItem The transition is applied to the end of this |
| * media item |
| * @param beforeMediaItem The transition is applied to the beginning of |
| * this media item |
| * @param durationMs duration of the transition in milliseconds |
| * @param behavior behavior is one of the behavior defined in Transition |
| * class |
| * @param direction direction shall be one of the supported directions like |
| * RIGHT_OUT_LEFT_IN |
| * |
| * @throws IllegalArgumentException if behavior is not supported. |
| */ |
| public TransitionSliding(String transitionId, MediaItem afterMediaItem, |
| MediaItem beforeMediaItem, long durationMs, int behavior, |
| int direction) { |
| super(transitionId, afterMediaItem, beforeMediaItem, durationMs, behavior); |
| switch (direction) { |
| case DIRECTION_RIGHT_OUT_LEFT_IN: |
| case DIRECTION_LEFT_OUT_RIGHT_IN: |
| case DIRECTION_TOP_OUT_BOTTOM_IN: |
| case DIRECTION_BOTTOM_OUT_TOP_IN: |
| break; |
| |
| default: |
| throw new IllegalArgumentException("Invalid direction"); |
| } |
| mSlidingDirection = direction; |
| } |
| |
| /** |
| * Get the sliding direction. |
| * |
| * @return The sliding direction |
| */ |
| public int getDirection() { |
| return mSlidingDirection; |
| } |
| |
| /* |
| * {@inheritDoc} |
| */ |
| @Override |
| void generate() { |
| super.generate(); |
| } |
| } |