Merge "Enforce min value on panel slices slider" into qt-dev

src/com/android/settings/core/SliderPreferenceController.java

@@ -44,7 +44,7 @@ public abstract class SliderPreferenceController extends BasePreferenceControlle
     }
 
     /**
-     * @return the value of the Slider's position based on the range: [0, maxSteps).
+     * @return the value of the Slider's position based on the range: [min, max].
      */
     public abstract int getSliderPosition();
 
@@ -57,9 +57,14 @@ public abstract class SliderPreferenceController extends BasePreferenceControlle
     public abstract boolean setSliderPosition(int position);
 
     /**
-     * @return the number of steps supported by the slider.
+     * @return the maximum value supported by the slider.
      */
-    public abstract int getMaxSteps();
+    public abstract int getMax();
+
+    /**
+     * @return the minimum value supported by the slider.
+     */
+    public abstract int getMin();
 
     @Override
     public int getSliceType() {

src/com/android/settings/display/NightDisplayIntensityPreferenceController.java

@@ -55,7 +55,8 @@ public class NightDisplayIntensityPreferenceController extends SliderPreferenceC
         super.displayPreference(screen);
         final SeekBarPreference preference = screen.findPreference(getPreferenceKey());
         preference.setContinuousUpdates(true);
-        preference.setMax(getMaxSteps());
+        preference.setMax(getMax());
+        preference.setMin(getMin());
     }
 
     @Override
@@ -75,10 +76,15 @@ public class NightDisplayIntensityPreferenceController extends SliderPreferenceC
     }
 
     @Override
-    public int getMaxSteps() {
+    public int getMax() {
         return convertTemperature(ColorDisplayManager.getMinimumColorTemperature(mContext));
     }
 
+    @Override
+    public int getMin() {
+        return ColorDisplayManager.getMinimumColorTemperature(mContext);
+    }
+
     /**
      * Inverts and range-adjusts a raw value from the SeekBar (i.e. [0, maxTemp-minTemp]), or
      * converts an inverted and range-adjusted value to the raw SeekBar value, depending on the

src/com/android/settings/notification/AudioHelper.java

@@ -74,4 +74,8 @@ public class AudioHelper {
     public int getMaxVolume(int stream) {
         return mAudioManager.getStreamMaxVolume(stream);
     }
+
+    public int getMinVolume(int stream) {
+        return mAudioManager.getStreamMinVolume(stream);
+    }
 }

src/com/android/settings/notification/RemoteVolumePreferenceController.java

@@ -160,7 +160,7 @@ public class RemoteVolumePreferenceController extends VolumeSeekBarPreferenceCon
     }
 
     @Override
-    public int getMaxSteps() {
+    public int getMax() {
         if (mPreference != null) {
             return mPreference.getMax();
         }
@@ -171,6 +171,14 @@ public class RemoteVolumePreferenceController extends VolumeSeekBarPreferenceCon
         return playbackInfo != null ? playbackInfo.getMaxVolume() : 0;
     }
 
+    @Override
+    public int getMin() {
+        if (mPreference != null) {
+            return mPreference.getMin();
+        }
+        return 0;
+    }
+
     @Override
     public boolean isSliceable() {
         return TextUtils.equals(getPreferenceKey(), KEY_REMOTE_VOLUME);

src/com/android/settings/notification/VolumeSeekBarPreferenceController.java

@@ -92,13 +92,21 @@ public abstract class VolumeSeekBarPreferenceController extends
     }
 
     @Override
-    public int getMaxSteps() {
+    public int getMax() {
         if (mPreference != null) {
             return mPreference.getMax();
         }
         return mHelper.getMaxVolume(getAudioStream());
     }
 
+    @Override
+    public int getMin() {
+        if (mPreference != null) {
+            return mPreference.getMin();
+        }
+        return mHelper.getMinVolume(getAudioStream());
+    }
+
     protected abstract int getAudioStream();
 
     protected abstract int getMuteIcon();

src/com/android/settings/slices/SliceBroadcastReceiver.java

@@ -164,11 +164,12 @@ public class SliceBroadcastReceiver extends BroadcastReceiver {
         }
 
         final SliderPreferenceController sliderController = (SliderPreferenceController) controller;
-        final int maxSteps = sliderController.getMaxSteps();
-        if (newPosition < 0 || newPosition > maxSteps) {
+        final int minValue = sliderController.getMin();
+        final int maxValue = sliderController.getMax();
+        if (newPosition < minValue || newPosition > maxValue) {
             throw new IllegalArgumentException(
-                    "Invalid position passed to Slider controller. Expected between 0 and "
-                            + maxSteps + " but found " + newPosition);
+                    "Invalid position passed to Slider controller. Expected between " + minValue
+                            + " and " + maxValue + " but found " + newPosition);
         }
 
         sliderController.setSliderPosition(newPosition);

src/com/android/settings/slices/SliceBuilderUtils.java

@@ -326,7 +326,8 @@ public class SliceBuilderUtils {
                         .setTitle(sliceData.getTitle())
                         .setSubtitle(subtitleText)
                         .setPrimaryAction(primaryAction)
-                        .setMax(sliderController.getMaxSteps())
+                        .setMax(sliderController.getMax())
+                        .setMin(sliderController.getMin())
                         .setValue(sliderController.getSliderPosition())
                         .setInputAction(actionIntent))
                 .setKeywords(keywords)