From 9c0e1c565a1f33077d152b17909266e253593e1c Mon Sep 17 00:00:00 2001
From: Sang Tae Park <pastime1971@gmail.com>
Date: Thu, 13 Sep 2018 20:54:17 +0530
Subject: [PATCH] Cherish:Add option to disable scrolling cache [2/2]
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Signed-off-by: Hưng Phan <phandinhhungvp2001@gmail.com>
---
 res/values/cherish_arrays.xml                     | 15 +++++++++++++++
 res/values/cherish_strings.xml                    |  8 ++++++++
 res/xml/cherish_settings_animations.xml           |  8 ++++++++
 .../settings/fragments/AnimationsSettings.java    | 14 ++++++++++++++
 4 files changed, 45 insertions(+)

diff --git a/res/values/cherish_arrays.xml b/res/values/cherish_arrays.xml
index 7717d84..c85691c 100644
--- a/res/values/cherish_arrays.xml
+++ b/res/values/cherish_arrays.xml
@@ -539,4 +539,19 @@
         <item>6</item>
         <item>7</item>
     </string-array>
+
+    <!-- Option to enable/disable scrolling cache -->
+    <string-array name="entries_scrollingcache" translatable="false">
+        <item>@string/pref_scrollingcache_force_enable</item>
+        <item>@string/pref_scrollingcache_default_enable</item>
+        <item>@string/pref_scrollingcache_default_disable</item>
+        <item>@string/pref_scrollingcache_force_disable</item>
+    </string-array>
+
+    <string-array name="values_scrollingcache" translatable="false">
+        <item>0</item>
+        <item>1</item>
+        <item>2</item>
+        <item>3</item>
+    </string-array>
 </resources>
diff --git a/res/values/cherish_strings.xml b/res/values/cherish_strings.xml
index 0a4e85e..887d3bf 100644
--- a/res/values/cherish_strings.xml
+++ b/res/values/cherish_strings.xml
@@ -606,4 +606,12 @@
     <string name="listview_overshoot_interpolator">Overshoot</string>
     <string name="listview_anticipate_overshoot_interpolator">Anticipate and overshoot</string>
     <string name="listview_bounce_interpolator">Bounce</string>
+
+    <!-- Option to enable/disable scrolling cache -->
+    <string name="pref_scrollingcache_title">Scrolling cache</string>
+    <string name="pref_scrollingcache_summary">Scrolling cache may improve scrolling performance at the cost of memory</string>
+    <string name="pref_scrollingcache_force_enable">Force enable</string>
+    <string name="pref_scrollingcache_default_enable">Default enable</string>
+    <string name="pref_scrollingcache_default_disable">Default disable</string>
+    <string name="pref_scrollingcache_force_disable">Force disable</string>
 </resources>
diff --git a/res/xml/cherish_settings_animations.xml b/res/xml/cherish_settings_animations.xml
index 3c33021..be3fdc1 100644
--- a/res/xml/cherish_settings_animations.xml
+++ b/res/xml/cherish_settings_animations.xml
@@ -69,6 +69,14 @@
 
     </PreferenceCategory>
 
+    <ListPreference
+        android:key="pref_scrollingcache"
+        android:dialogTitle="@string/pref_scrollingcache_title"
+        android:title="@string/pref_scrollingcache_title"
+        android:summary="@string/pref_scrollingcache_summary"
+        android:entries="@array/entries_scrollingcache"
+        android:entryValues="@array/values_scrollingcache" />
+
     <ListPreference
         android:key="toast_animation"
         android:title="@string/toast_animation_title"
diff --git a/src/com/cherish/settings/fragments/AnimationsSettings.java b/src/com/cherish/settings/fragments/AnimationsSettings.java
index 406941c..a5b717f 100644
--- a/src/com/cherish/settings/fragments/AnimationsSettings.java
+++ b/src/com/cherish/settings/fragments/AnimationsSettings.java
@@ -65,8 +65,12 @@ public class AnimationsSettings extends SettingsPreferenceFragment
     private static final String KEY_TOAST_ANIMATION = "toast_animation";
     private static final String KEY_LISTVIEW_ANIMATION = "listview_animation";
     private static final String KEY_LISTVIEW_INTERPOLATOR = "listview_interpolator";
+    private static final String SCROLLINGCACHE_PREF = "pref_scrollingcache";
+    private static final String SCROLLINGCACHE_PERSIST_PROP = "persist.sys.scrollingcache";
+    private static final String SCROLLINGCACHE_DEFAULT = "2";
 
     private ListPreference mToastAnimation;
+    private ListPreference mScrollingCachePref;
     private ListPreference mListViewAnimation;
     private ListPreference mListViewInterpolator;
     ListPreference mActivityOpenPref;
@@ -121,6 +125,11 @@ public class AnimationsSettings extends SettingsPreferenceFragment
         mListViewInterpolator.setOnPreferenceChangeListener(this);
         mListViewInterpolator.setEnabled(listviewanimation > 0);
 
+        mScrollingCachePref = (ListPreference) findPreference(SCROLLINGCACHE_PREF);
+        mScrollingCachePref.setValue(SystemProperties.get(SCROLLINGCACHE_PERSIST_PROP,
+                SystemProperties.get(SCROLLINGCACHE_PERSIST_PROP, SCROLLINGCACHE_DEFAULT)));
+        mScrollingCachePref.setOnPreferenceChangeListener(this);
+
         mAnimations = AwesomeAnimationHelper.getAnimationsList();
         int animqty = mAnimations.length;
         mAnimationsStrings = new String[animqty];
@@ -228,6 +237,11 @@ public class AnimationsSettings extends SettingsPreferenceFragment
                     Settings.Global.LISTVIEW_INTERPOLATOR, value);
             mListViewInterpolator.setSummary(mListViewInterpolator.getEntries()[index]);
             return true;
+        } else if (preference == mScrollingCachePref) {
+            if (newValue != null) {
+                SystemProperties.set(SCROLLINGCACHE_PERSIST_PROP, (String) newValue);
+            }
+            return true;
         } else if (preference == mActivityOpenPref) {
             int val = Integer.parseInt((String) newValue);
             result = Settings.Global.putInt(mContext.getContentResolver(),