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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;
import org.cyanogenmod.wallpapers.photophase.utils.Utils;
import java.util.Arrays;
import java.util.List;
/**
* A class that manages all the supported transitions
*/
public class Transitions {
/**
* Enumeration of the supported transitions
*/
public enum TRANSITIONS {
/**
* @see NullTransition
*/
NO_TRANSITION,
/**
* @see CubeTransition
*/
CUBE,
/**
* @see FadeTransition
*/
FADE,
/**
* @see FlipTransition
*/
FLIP,
/**
* @see SwapTransition
*/
SWAP,
/**
* @see TranslateTransition
*/
TRANSLATION,
/**
* @see WindowTransition
*/
WINDOW;
/**
* Method that returns the transition from its ordinal position
*
* @param ordinal The ordinal position
* @return TRANSITIONS The transition or null if wasn't found
*/
public static TRANSITIONS fromOrdinal(int ordinal) {
for (TRANSITIONS transition : TRANSITIONS.values()) {
if (transition.ordinal() == ordinal) {
return transition;
}
}
return null;
}
/**
* Method that the returns an array with all the valid transitions (NO_TRANSITION is not
* a valid one).
*
* @return TRANSITIONS[] The valid transitions
*/
public static TRANSITIONS[] getValidTranstions() {
TRANSITIONS[] src = TRANSITIONS.values();
TRANSITIONS[] dst = new TRANSITIONS[src.length-1];
System.arraycopy(src, 1, dst, 0, src.length-1);
return dst;
}
}
/**
* Method that return the next type of transition to apply the picture.
*
* @param frame The frame which the translation will be applied to
* @return TRANSITIONS The next type of transition to apply
*/
public static TRANSITIONS getNextTypeOfTransition(PhotoFrame frame) {
// Get a transition based on the user preference
List<TRANSITIONS> transitions =
Arrays.asList(Preferences.General.Transitions.getTransitionTypes());
TRANSITIONS nextTransition = null;
if (transitions.size() > 0) {
int low = 0;
int high = transitions.size() - 1;
int pos = Utils.getNextRandom(low, high);
nextTransition = transitions.get(pos);
}
if (nextTransition == null) {
return TRANSITIONS.NO_TRANSITION;
}
// Select the transition if is available
if (nextTransition.compareTo(TRANSITIONS.SWAP) == 0) {
return TRANSITIONS.SWAP;
} else if (nextTransition.compareTo(TRANSITIONS.FADE) == 0) {
return TRANSITIONS.FADE;
} else if (nextTransition.compareTo(TRANSITIONS.TRANSLATION) == 0) {
return TRANSITIONS.TRANSLATION;
} else if (nextTransition.compareTo(TRANSITIONS.FLIP) == 0) {
return TRANSITIONS.FLIP;
} else if (nextTransition.compareTo(TRANSITIONS.WINDOW) == 0) {
return TRANSITIONS.WINDOW;
} else if (nextTransition.compareTo(TRANSITIONS.CUBE) == 0) {
return TRANSITIONS.CUBE;
}
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 translation 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);
} else if (type.compareTo(TRANSITIONS.FADE) == 0) {
return new FadeTransition(ctx, tm);
} else if (type.compareTo(TRANSITIONS.TRANSLATION) == 0) {
return new TranslateTransition(ctx, tm);
} else if (type.compareTo(TRANSITIONS.FLIP) == 0) {
return new FlipTransition(ctx, tm);
} else if (type.compareTo(TRANSITIONS.WINDOW) == 0) {
return new WindowTransition(ctx, tm);
} else if (type.compareTo(TRANSITIONS.CUBE) == 0) {
return new CubeTransition(ctx, tm);
}
return new NullTransition(ctx, tm);
}
}
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