commit 989709a973448980f36dacd587b0a58f89ffa11e
author Philip Milne <pmilne@google.com> Fri Jun 22 16:09:04 2012 -0700
committer Philip Milne <pmilne@google.com> Fri Jul 20 15:14:45 2012 -0700
tree 0ba72a8bc29f6f8526f614750457aa4972a92e06
parent 749e452487e834958d1bec81df25266b42f3a5dc

Simple MVC based binding mechanism for android controls.

Change-Id: I80fe18e0e15f8a840d558de9863650505bd5fb00

core/java/android/widget/SeekBar.java

diff --git a/core/java/android/widget/SeekBar.java b/core/java/android/widget/SeekBar.java
index 2737f94..a6486a8 100644
--- a/core/java/android/widget/SeekBar.java
+++ b/core/java/android/widget/SeekBar.java
@@ -18,6 +18,7 @@
 
 import android.content.Context;
 import android.util.AttributeSet;
+import android.util.ValueModel;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityNodeInfo;
 
@@ -33,7 +34,7 @@
  *
  * @attr ref android.R.styleable#SeekBar_thumb
  */
-public class SeekBar extends AbsSeekBar {
+public class SeekBar extends AbsSeekBar implements ValueEditor<Integer> {
 
     /**
      * A callback that notifies clients when the progress level has been
@@ -69,8 +70,9 @@
         void onStopTrackingTouch(SeekBar seekBar);
     }
 
+    private ValueModel<Integer> mValueModel = ValueModel.EMPTY;
     private OnSeekBarChangeListener mOnSeekBarChangeListener;
-    
+
     public SeekBar(Context context) {
         this(context, null);
     }
@@ -89,9 +91,23 @@
 
         if (mOnSeekBarChangeListener != null) {
             mOnSeekBarChangeListener.onProgressChanged(this, getProgress(), fromUser);
+            if (fromUser) {
+                mValueModel.set(getProgress());
+            }
         }
     }
 
+    @Override
+    public ValueModel<Integer> getValueModel() {
+        return mValueModel;
+    }
+
+    @Override
+    public void setValueModel(ValueModel<Integer> valueModel) {
+        mValueModel = valueModel;
+        setProgress(mValueModel.get());
+    }
+
     /**
      * Sets a listener to receive notifications of changes to the SeekBar's progress level. Also
      * provides notifications of when the user starts and stops a touch gesture within the SeekBar.