1 files changed, 141 insertions, 0 deletions
diff --git a/core/java/android/app/ActivityOptions.java b/core/java/android/app/ActivityOptions.java
new file mode 100644
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+++ b/core/java/android/app/ActivityOptions.java
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+/*
+ * Copyright (C) 2012 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.app;
+
+import android.content.Context;
+import android.os.Bundle;
+
+/**
+ * Helper class for building an options Bundle that can be used with
+ * {@link android.content.Context#startActivity(android.content.Intent, android.os.Bundle)
+ * Context.startActivity(Intent, Bundle)} and related methods.
+ */
+public class ActivityOptions {
+    /**
+     * The package name that created the options.
+     * @hide
+     */
+    public static final String KEY_PACKAGE_NAME = "android:packageName";
+
+    /**
+     * Custom enter animation resource ID.
+     * @hide
+     */
+    public static final String KEY_ANIM_ENTER_RES_ID = "android:animEnterRes";
+
+    /**
+     * Custom exit animation resource ID.
+     * @hide
+     */
+    public static final String KEY_ANIM_EXIT_RES_ID = "android:animExitRes";
+
+    private String mPackageName;
+    private boolean mIsCustomAnimation;
+    private int mCustomEnterResId;
+    private int mCustomExitResId;
+
+    /**
+     * Create an ActivityOptions specifying a custom animation to run when
+     * the activity is displayed.
+     *
+     * @param context Who is defining this.  This is the application that the
+     * animation resources will be loaded from.
+     * @param enterResId A resource ID of the animation resource to use for
+     * the incoming activity.  Use 0 for no animation.
+     * @param exitResId A resource ID of the animation resource to use for
+     * the outgoing activity.  Use 0 for no animation.
+     * @return Returns a new ActivityOptions object that you can use to
+     * supply these options as the options Bundle when starting an activity.
+     */
+    public static ActivityOptions makeCustomAnimation(Context context,
+            int enterResId, int exitResId) {
+        ActivityOptions opts = new ActivityOptions();
+        opts.mPackageName = context.getPackageName();
+        opts.mIsCustomAnimation = true;
+        opts.mCustomEnterResId = enterResId;
+        opts.mCustomExitResId = exitResId;
+        return opts;
+    }
+
+    private ActivityOptions() {
+    }
+
+    /** @hide */
+    public ActivityOptions(Bundle opts) {
+        mPackageName = opts.getString(KEY_PACKAGE_NAME);
+        if (opts.containsKey(KEY_ANIM_ENTER_RES_ID)) {
+            mIsCustomAnimation = true;
+            mCustomEnterResId = opts.getInt(KEY_ANIM_ENTER_RES_ID, 0);
+            mCustomExitResId = opts.getInt(KEY_ANIM_EXIT_RES_ID, 0);
+        }
+    }
+
+    /** @hide */
+    public String getPackageName() {
+        return mPackageName;
+    }
+
+    /** @hide */
+    public boolean isCustomAnimation() {
+        return mIsCustomAnimation;
+    }
+
+    /** @hide */
+    public int getCustomEnterResId() {
+        return mCustomEnterResId;
+    }
+
+    /** @hide */
+    public int getCustomExitResId() {
+        return mCustomExitResId;
+    }
+
+    /**
+     * Join the values in <var>otherOptions</var> in to this one.  Any values
+     * defined in <var>otherOptions</var> replace those in the base options.
+     */
+    public void join(ActivityOptions otherOptions) {
+        if (otherOptions.mPackageName != null) {
+            mPackageName = otherOptions.mPackageName;
+        }
+        if (otherOptions.mIsCustomAnimation) {
+            mIsCustomAnimation = true;
+            mCustomEnterResId = otherOptions.mCustomEnterResId;
+            mCustomExitResId = otherOptions.mCustomExitResId;
+        }
+    }
+
+    /**
+     * Returns the created options as a Bundle, which can be passed to
+     * {@link android.content.Context#startActivity(android.content.Intent, android.os.Bundle)
+     * Context.startActivity(Intent, Bundle)} and related methods.
+     * Note that the returned Bundle is still owned by the ActivityOptions
+     * object; you must not modify it, but can supply it to the startActivity
+     * methods that take an options Bundle.
+     */
+    public Bundle toBundle() {
+        Bundle b = new Bundle();
+        if (mPackageName != null) {
+            b.putString(KEY_PACKAGE_NAME, mPackageName);
+        }
+        if (mIsCustomAnimation) {
+            b.putInt(KEY_ANIM_ENTER_RES_ID, mCustomEnterResId);
+            b.putInt(KEY_ANIM_EXIT_RES_ID, mCustomExitResId);
+        }
+        return b;
+    }
+}