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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);
+ }
+}