Show larger ripple when toggling check marks

Closes #78

app/src/main/java/org/isoron/uhabits/fragments/ListHabitsFragment.java

@@ -330,17 +330,18 @@ public class ListHabitsFragment extends Fragment
 
     private void toggleCheck(View v)
     {
-        Long tag = (Long) v.getTag(R.string.habit_key);
+        Long id = helper.getHabitIdFromCheckmarkView(v);
-        Integer offset = (Integer) v.getTag(R.string.offset_key);
+        Habit habit = loader.habits.get(id);
-        long timestamp = DateHelper.getStartOfDay(
-                DateHelper.getLocalTime() - offset * DateHelper.millisecondsInOneDay);
-
-        Habit habit = loader.habits.get(tag);
         if(habit == null) return;
 
-        listView.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
+        float x = v.getX() + v.getWidth() / 2.0f + ((View) v.getParent()).getX();
+        float y = v.getY() + v.getHeight() / 2.0f + ((View) v.getParent()).getY();
+        helper.triggerRipple((View) v.getParent().getParent(), x, y);
 
+        listView.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
         helper.toggleCheckmarkView(v, habit);
+
+        long timestamp = helper.getTimestampFromCheckmarkView(v);
         executeCommand(new ToggleRepetitionCommand(habit, timestamp), habit.getId());
     }
 

app/src/main/java/org/isoron/uhabits/helpers/ListHabitsHelper.java

@@ -21,6 +21,7 @@ package org.isoron.uhabits.helpers;
 
 import android.content.Context;
 import android.graphics.drawable.Drawable;
+import android.os.Handler;
 import android.view.LayoutInflater;
 import android.view.MotionEvent;
 import android.view.View;
@@ -241,6 +242,36 @@ public class ListHabitsHelper
             updateCheckmark(androidColor, (TextView) v, 2);
     }
 
+    public Long getHabitIdFromCheckmarkView(View v)
+    {
+        return (Long) v.getTag(R.string.habit_key);
+    }
+
+    public long getTimestampFromCheckmarkView(View v)
+    {
+        Integer offset = (Integer) v.getTag(R.string.offset_key);
+        return DateHelper.getStartOfDay(DateHelper.getLocalTime() -
+                offset * DateHelper.millisecondsInOneDay);
+    }
+
+    public void triggerRipple(View v, final float x, final float y)
+    {
+        final Drawable background = v.getBackground();
+        if (android.os.Build.VERSION.SDK_INT >= 21)
+            background.setHotspot(x, y);
+
+        background.setState(new int[]{android.R.attr.state_pressed, android.R.attr.state_enabled});
+
+        new Handler().postDelayed(new Runnable()
+        {
+            @Override
+            public void run()
+            {
+                background.setState(new int[]{});
+            }
+        }, 25);
+    }
+
     private static class HotspotTouchListener implements View.OnTouchListener
     {
         @Override

app/src/main/res/values-v21/styles_list_habits.xml

@@ -28,8 +28,4 @@
         <item name="android:layout_alignParentTop">true</item>
         <item name="android:paddingRight">4dp</item>
     </style>
-
-    <style name="ListHabits.Checkmark" parent="ListHabits.CheckmarkCommon">
-        <item name="android:background">@drawable/ripple_transparent</item>
-    </style>
 </resources>

app/src/main/res/values/styles_list_habits.xml

@@ -72,17 +72,13 @@
         <item name="android:gravity">center_vertical</item>
     </style>
 
-    <style name="ListHabits.CheckmarkCommon">
+    <style name="ListHabits.Checkmark">
         <item name="android:focusable">false</item>
         <item name="android:minHeight">@dimen/checkmarkHeight</item>
         <item name="android:width">@dimen/checkmarkWidth</item>
         <item name="android:gravity">center</item>
     </style>
 
-    <style name="ListHabits.Checkmark" parent="ListHabits.CheckmarkCommon">
-    </style>
-
-
     <style name="ListHabits.EmptyState">
         <item name="android:layout_width">match_parent</item>
         <item name="android:layout_height">wrap_content</item>