1 files changed, 104 insertions, 0 deletions
diff --git a/src/org/cyanogenmod/wallpapers/photophase/transitions/Transitions.java b/src/org/cyanogenmod/wallpapers/photophase/transitions/Transitions.java
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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);
+    }
+}