Adding system wide long press timeout configurability under accessibility.

bug:3505096

Added an option in the accessibility set

Change-Id: Ie36240229ca15a252d5f34051bfe8ac77a101da9

res/values/arrays.xml

@@ -511,4 +511,22 @@
         <item>silent</item>
         <item>notsilent</item>
     </string-array>
+
+    <!-- Titles for the list of long press timeout options. -->
+    <string-array name="long_press_timeout_selector_titles">
+        <!-- A title for the option for short long-press timeout [CHAR LIMIT=25] -->
+        <item>Short</item>
+        <!-- A title for the option for medium long-press timeout [CHAR LIMIT=25] -->        
+        <item>Medium</item>
+        <!-- A title for the option for long long-press timeout [CHAR LIMIT=25] -->
+        <item>Long</item>
+    </string-array>
+
+    <!-- Valeus for the list of long press timeout options. -->
+    <string-array name="long_press_timeout_selector_values" translatable="false">
+        <item>500</item>
+        <item>1000</item>
+        <item>1500</item>
+    </string-array>
+
 </resources>

res/values/donottranslate.xml

@@ -33,4 +33,5 @@
         <item>@string/input_method_selector_always_show_value</item>
         <item>@string/input_method_selector_always_hide_value</item>
     </string-array>
+
 </resources>

res/values/strings.xml

@@ -2551,6 +2551,13 @@ found in the list of installed applications.</string>
     <!-- Accessibility settings: power button behavior summary text -->
     <string name="accessibility_power_button_ends_call_summary">During a call, pressing Power ends call instead of turning off screen</string>
 
+    <!-- Setting interaction category [CHAR LIMIT=25] -->
+    <string name="accessibility_interaction_category">Interaction</string>
+    <!-- Title for setting the long-press timeout [CHAR LIMIT=35] -->
+    <string name="long_press_timeout_selector">Long press timeout</string>
+    <!-- The default value for the long press timeout. -->
+    <string name="long_press_timeout_selector_default_value" translatable="false">500</string>
+
     <!-- App Fuel Gauge strings -->
     <skip />
 

res/xml/accessibility_settings.xml

@@ -44,4 +44,14 @@
                 android:persistent="false" />
     </PreferenceCategory>
 
+    <PreferenceCategory android:key="accessibility_interaction_category"
+            android:title="@string/accessibility_interaction_category">
+        <ListPreference android:key="long_press_timeout_list_preference"
+                android:title="@string/long_press_timeout_selector"
+                android:persistent="true"
+                android:entries="@array/long_press_timeout_selector_titles"
+                android:entryValues="@array/long_press_timeout_selector_values"
+                android:defaultValue="@string/long_press_timeout_selector_default_value"/>
+    </PreferenceCategory>
+
 </PreferenceScreen>

src/com/android/settings/AccessibilitySettings.java

@@ -26,6 +26,7 @@ import android.net.Uri;
 import android.os.Bundle;
 import android.os.SystemProperties;
 import android.preference.CheckBoxPreference;
+import android.preference.ListPreference;
 import android.preference.Preference;
 import android.preference.PreferenceCategory;
 import android.preference.PreferenceGroup;
@@ -44,7 +45,8 @@ import java.util.Map;
 /**
  * Activity with the accessibility settings.
  */
-public class AccessibilitySettings extends SettingsPreferenceFragment implements DialogCreatable {
+public class AccessibilitySettings extends SettingsPreferenceFragment implements DialogCreatable,
+        Preference.OnPreferenceChangeListener {
     private static final String DEFAULT_SCREENREADER_MARKET_LINK =
         "market://search?q=pname:com.google.android.marvin.talkback";
 
@@ -66,6 +68,9 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
     private final String KEY_TOGGLE_ACCESSIBILITY_SERVICE_CHECKBOX =
         "key_toggle_accessibility_service_checkbox";
 
+    private final String KEY_LONG_PRESS_TIMEOUT_LIST_PREFERENCE =
+        "long_press_timeout_list_preference";
+
     private static final int DIALOG_ID_DISABLE_ACCESSIBILITY = 1;
     private static final int DIALOG_ID_ENABLE_SCRIPT_INJECTION = 2;
     private static final int DIALOG_ID_ENABLE_ACCESSIBILITY_SERVICE = 3;
@@ -80,6 +85,8 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
 
     private PreferenceGroup mAccessibilityServicesCategory;
 
+    private ListPreference mLongPressTimeoutListPreference;
+
     private Map<String, ServiceInfo> mAccessibilityServices =
         new LinkedHashMap<String, ServiceInfo>();
 
@@ -105,6 +112,9 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
         mPowerButtonEndsCallCheckBox = (CheckBoxPreference) findPreference(
                 POWER_BUTTON_ENDS_CALL_CHECKBOX);
 
+        mLongPressTimeoutListPreference = (ListPreference) findPreference(
+                KEY_LONG_PRESS_TIMEOUT_LIST_PREFERENCE);
+
         // set the accessibility script injection category
         boolean scriptInjectionEnabled = (Settings.Secure.getInt(getContentResolver(),
                 Settings.Secure.ACCESSIBILITY_SCRIPT_INJECTION, 0) == 1);
@@ -128,6 +138,8 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
             // this entire category is irrelevant.
             getPreferenceScreen().removePreference(mPowerButtonCategory);
         }
+
+        mLongPressTimeoutListPreference.setOnPreferenceChangeListener(this);
     }
 
     @Override
@@ -197,6 +209,16 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
         }
     }
 
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        if (preference == mLongPressTimeoutListPreference) {
+            int intValue = Integer.parseInt((String) newValue);
+            Settings.Secure.putInt(getContentResolver(),
+                Settings.Secure.LONG_PRESS_TIMEOUT, intValue);
+            return true;
+        }
+        return false;
+    }
+
     /**
      * Restores the instance state from <code>savedInstanceState</code>.
      */