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/*
* Copyright (C) 2013 The CyanogenMod 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.cyanogenmod.wallpapers.photophase.transitions;
import android.content.Context;
import org.cyanogenmod.wallpapers.photophase.PhotoFrame;
import org.cyanogenmod.wallpapers.photophase.TextureManager;
import org.cyanogenmod.wallpapers.photophase.preferences.PreferencesProvider.Preferences;
/**
* A class that manages all the supported transitions
*/
public class Transitions {
/**
* Enumeration of the supported transitions
*/
public enum TRANSITIONS {
/**
* A random combination of all supported transitions
*/
RANDOM,
/**
* @see NullTransition
*/
NO_TRANSITION,
/**
* @see SwapTransition
*/
SWAP,
/**
* @see FadeTransition
*/
FADE,
/**
* @see TranslateTransition
*/
TRANSLATION;
}
/**
* Method that return the next type of transition to apply the picture.
*
* @param frame The frame which the effect will be applied to
* @return TRANSITIONS The next type of transition to apply
*/
public static TRANSITIONS getNextTypeOfTransition(PhotoFrame frame) {
int transition = Preferences.General.Transitions.getTransitionTypes();
if (transition == TRANSITIONS.RANDOM.ordinal()) {
int low = TRANSITIONS.SWAP.ordinal();
int hight = TRANSITIONS.values().length - 1;
transition = low + (int)(Math.random() * ((hight - low) + 1));
}
if (transition == TRANSITIONS.SWAP.ordinal()) {
return TRANSITIONS.SWAP;
}
if (transition == TRANSITIONS.FADE.ordinal()) {
return TRANSITIONS.FADE;
}
if (transition == TRANSITIONS.TRANSLATION.ordinal()) {
return TRANSITIONS.TRANSLATION;
}
return TRANSITIONS.NO_TRANSITION;
}
/**
* Method that creates a new transition.
*
* @param ctx The current context
* @param tm The texture manager
* @param type The type of transition
* @param frame The frame which the effect will be applied to
* @return Transition The next transition to apply
*/
public static Transition createTransition(
Context ctx, TextureManager tm, TRANSITIONS type, PhotoFrame frame) {
if (type.compareTo(TRANSITIONS.SWAP) == 0) {
return new SwapTransition(ctx, tm);
}
if (type.compareTo(TRANSITIONS.FADE) == 0) {
return new FadeTransition(ctx, tm);
}
if (type.compareTo(TRANSITIONS.TRANSLATION) == 0) {
return new TranslateTransition(ctx, tm);
}
return new NullTransition(ctx, tm);
}
}
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