Unify data/power layout, confirm disable, round.

Share consistent layout between data usage and battery usage.  Show
confirmation dialog before disabling mobile data.  Round warning/limit
sweep values to match displayed label.  Suppress fade when switching
data usage tabs.

Bug: 5208510, 5058157, 5038589, 5252816
Change-Id: I3c76f3397445d2d3b173666a41672871df4c61af

src/com/android/settings/widget/ChartAxis.java

@@ -35,8 +35,11 @@ public interface ChartAxis {
     /** Convert screen point into raw value. */
     public long convertToValue(float point);
 
-    /** Build label that describes given raw value. */
-    public void buildLabel(Resources res, SpannableStringBuilder builder, long value);
+    /**
+     * Build label that describes given raw value. If the label is rounded for
+     * display, return the rounded value.
+     */
+    public long buildLabel(Resources res, SpannableStringBuilder builder, long value);
 
     /** Return list of tick points for drawing a grid. */
     public float[] getTickPoints();

src/com/android/settings/widget/ChartDataUsageView.java

@@ -27,7 +27,6 @@ import android.text.SpannableStringBuilder;
 import android.text.TextUtils;
 import android.text.format.DateUtils;
 import android.util.AttributeSet;
-import android.view.Gravity;
 import android.view.MotionEvent;
 import android.view.View;
 
@@ -334,11 +333,11 @@ public class ChartDataUsageView extends ChartView {
     }
 
     public long getWarningBytes() {
-        return mSweepWarning.getValue();
+        return mSweepWarning.getLabelValue();
     }
 
     public long getLimitBytes() {
-        return mSweepLimit.getValue();
+        return mSweepLimit.getLabelValue();
     }
 
     private long getStatsStart() {
@@ -433,9 +432,10 @@ public class ChartDataUsageView extends ChartView {
         }
 
         /** {@inheritDoc} */
-        public void buildLabel(Resources res, SpannableStringBuilder builder, long value) {
+        public long buildLabel(Resources res, SpannableStringBuilder builder, long value) {
             // TODO: convert to better string
             builder.replace(0, builder.length(), Long.toString(value));
+            return value;
         }
 
         /** {@inheritDoc} */
@@ -493,16 +493,19 @@ public class ChartDataUsageView extends ChartView {
         private static final Object sSpanUnit = new Object();
 
         /** {@inheritDoc} */
-        public void buildLabel(Resources res, SpannableStringBuilder builder, long value) {
+        public long buildLabel(Resources res, SpannableStringBuilder builder, long value) {
 
-            float result = value;
             final CharSequence unit;
+            float result = value;
+            long labelValue = 1;
             if (result <= 100 * MB_IN_BYTES) {
                 unit = res.getText(com.android.internal.R.string.megabyteShort);
                 result /= MB_IN_BYTES;
+                labelValue = MB_IN_BYTES;
             } else {
                 unit = res.getText(com.android.internal.R.string.gigabyteShort);
                 result /= GB_IN_BYTES;
+                labelValue = GB_IN_BYTES;
             }
 
             final CharSequence size;
@@ -511,11 +514,14 @@ public class ChartDataUsageView extends ChartView {
             } else {
                 size = String.format("%.0f", result);
             }
+            labelValue *= Float.parseFloat(size.toString());
 
             final int[] sizeBounds = findOrCreateSpan(builder, sSpanSize, "^1");
             builder.replace(sizeBounds[0], sizeBounds[1], size);
             final int[] unitBounds = findOrCreateSpan(builder, sSpanUnit, "^2");
             builder.replace(unitBounds[0], unitBounds[1], unit);
+
+            return labelValue;
         }
 
         /** {@inheritDoc} */

src/com/android/settings/widget/ChartSweepView.java

@@ -67,6 +67,7 @@ public class ChartSweepView extends View {
 
     private ChartAxis mAxis;
     private long mValue;
+    private long mLabelValue;
 
     private long mValidAfter;
     private long mValidBefore;
@@ -226,7 +227,7 @@ public class ChartSweepView extends View {
 
     private void invalidateLabel() {
         if (mLabelTemplate != null && mAxis != null) {
-            mAxis.buildLabel(getResources(), mLabelTemplate, mValue);
+            mLabelValue = mAxis.buildLabel(getResources(), mLabelTemplate, mValue);
             invalidate();
         }
     }
@@ -265,6 +266,10 @@ public class ChartSweepView extends View {
         return mValue;
     }
 
+    public long getLabelValue() {
+        return mLabelValue;
+    }
+
     public float getPoint() {
         if (isEnabled()) {
             return mAxis.convertToPoint(mValue);

src/com/android/settings/widget/InvertedChartAxis.java

@@ -52,8 +52,8 @@ public class InvertedChartAxis implements ChartAxis {
     }
 
     /** {@inheritDoc} */
-    public void buildLabel(Resources res, SpannableStringBuilder builder, long value) {
-        mWrapped.buildLabel(res, builder, value);
+    public long buildLabel(Resources res, SpannableStringBuilder builder, long value) {
+        return mWrapped.buildLabel(res, builder, value);
     }
 
     /** {@inheritDoc} */