Add a preference panel for mouse speed.

Bug: 4124987
Change-Id: I3ce175d268a1d043cf5878481261b1049a15a149

4 files changed, 30 insertions, 0 deletions

diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index fbdc0ba..58d9952 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -1791,6 +1791,16 @@ public final class Settings {
         public static final String SIP_ASK_ME_EACH_TIME = "SIP_ASK_ME_EACH_TIME";
 
         /**
+         * Pointer speed setting.
+         * This is an integer value in a range between -7 and +7, so there are 15 possible values.
+         *   -7 = slowest
+         *    0 = default speed
+         *   +7 = fastest
+         * @hide
+         */
+        public static final String POINTER_SPEED = "pointer_speed";
+
+        /**
          * Settings to backup. This is here so that it's in the same place as the settings
          * keys and easy to update.
          * @hide
@@ -1854,6 +1864,7 @@ public final class Settings {
             USE_PTP_INTERFACE,
             SIP_CALL_OPTIONS,
             SIP_RECEIVE_CALLS,
+            POINTER_SPEED,
         };
 
         // Settings moved to Settings.Secure
diff --git a/core/java/android/view/IWindowManager.aidl b/core/java/android/view/IWindowManager.aidl
index 4427eb5..ad17edf 100644
--- a/core/java/android/view/IWindowManager.aidl
+++ b/core/java/android/view/IWindowManager.aidl
@@ -205,4 +205,9 @@ interface IWindowManager
      * Called by the status bar to notify Views of changes to System UI visiblity.
      */
     void statusBarVisibilityChanged(int visibility);
+
+    /**
+     * Called by the settings application to temporarily set the pointer speed.
+     */
+    void setPointerSpeed(int speed);
 }
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 2f431c4..441a3bf 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -1071,6 +1071,13 @@
         android:description="@string/permdesc_setOrientation"
         android:protectionLevel="signature" />
 
+    <!-- Allows low-level access to setting the pointer speed.
+         Not for use by normal applications. -->
+    <permission android:name="android.permission.SET_POINTER_SPEED"
+        android:label="@string/permlab_setPointerSpeed"
+        android:description="@string/permdesc_setPointerSpeed"
+        android:protectionLevel="signature" />
+
     <!-- Allows an application to install packages. -->
     <permission android:name="android.permission.INSTALL_PACKAGES"
         android:label="@string/permlab_installPackages"
diff --git a/core/res/res/values/strings.xml b/core/res/res/values/strings.xml
index d5affae..b92bf88 100755
--- a/core/res/res/values/strings.xml
+++ b/core/res/res/values/strings.xml
@@ -699,6 +699,13 @@
         the rotation of the screen at any time. Should never be needed for
         normal applications.</string>
 
+    <!-- Title of an application permission, listed so the user can choose whether they want to allow the application to do this. [CHAR LIMIT=30] -->
+    <string name="permlab_setPointerSpeed">change pointer speed</string>
+    <!-- Description of an application permission, listed so the user can choose whether they want to allow the application to do this. [CHAR LIMIT=NONE] -->
+    <string name="permdesc_setPointerSpeed">Allows an application to change
+        the mouse or trackpad pointer speed at any time. Should never be needed for
+        normal applications.</string>
+
     <!-- Title of an application permission, listed so the user can choose whether they want to allow the application to do this. -->
     <string name="permlab_signalPersistentProcesses">send Linux signals to applications</string>
     <!-- Description of an application permission, listed so the user can choose whether they want to allow the application to do this. -->