Sync asset drop and smoother animation.

Bug: 5233703
Change-Id: I3fa52da71b78dcfa7842047b427c5121d3ac7e68

1 files changed, 100 insertions, 0 deletions

diff --git a/src/com/android/settings/widget/AnimatedImageView.java b/src/com/android/settings/widget/AnimatedImageView.java
new file mode 100644
index 0000000..671d718
--- /dev/null
+++ b/src/com/android/settings/widget/AnimatedImageView.java
@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) 2011 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 com.android.settings.widget;
+
+import android.content.Context;
+import android.graphics.drawable.AnimatedRotateDrawable;
+import android.graphics.drawable.Drawable;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.ImageView;
+
+public class AnimatedImageView extends ImageView {
+    private AnimatedRotateDrawable mDrawable;
+    private boolean mAnimating;
+
+    public AnimatedImageView(Context context) {
+        super(context);
+    }
+
+    public AnimatedImageView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    private void updateDrawable() {
+        if (isShown() && mDrawable != null) {
+            mDrawable.stop();
+        }
+        final Drawable drawable = getDrawable();
+        if (drawable instanceof AnimatedRotateDrawable) {
+            mDrawable = (AnimatedRotateDrawable) drawable;
+            // TODO: define in drawable xml once we have public attrs.
+            mDrawable.setFramesCount(56);
+            mDrawable.setFramesDuration(32);
+            if (isShown() && mAnimating) {
+                mDrawable.start();
+            }
+        } else {
+            mDrawable = null;
+        }
+    }
+
+    private void updateAnimating() {
+        if (mDrawable != null) {
+            if (isShown() && mAnimating) {
+                mDrawable.start();
+            } else {
+                mDrawable.stop();
+            }
+        }
+    }
+
+    @Override
+    public void setImageDrawable(Drawable drawable) {
+        super.setImageDrawable(drawable);
+        updateDrawable();
+    }
+
+    @Override
+    public void setImageResource(int resid) {
+        super.setImageResource(resid);
+        updateDrawable();
+    }
+
+    @Override
+    public void onAttachedToWindow() {
+        super.onAttachedToWindow();
+        updateAnimating();
+    }
+
+    @Override
+    public void onDetachedFromWindow() {
+        super.onDetachedFromWindow();
+        updateAnimating();
+    }
+
+    public void setAnimating(boolean animating) {
+        mAnimating = animating;
+        updateAnimating();
+    }
+
+    @Override
+    protected void onVisibilityChanged(View changedView, int vis) {
+        super.onVisibilityChanged(changedView, vis);
+        updateAnimating();
+    }
+}