Corrected repeat count for key repeat in input device.

Previously the key event repeat count was always zero when the repeated
key down events was generated by the input device in the Linux kernel.

Change-Id: I86b7fd2a75880bc54d052ef404c3654b7ed14c52

Author: Kristian Dreher

services/java/com/android/server/WindowManagerService.java

@@ -6435,26 +6435,43 @@ private void process() {
                             case RawInputEvent.CLASS_KEYBOARD:
                                 KeyEvent ke = (KeyEvent)ev.event;
                                 if (ke.isDown()) {
-                                    lastKey = ke;
-                                    downTime = curTime;
-                                    keyRepeatCount = 0;
                                     lastKeyTime = curTime;
-                                    nextKeyTime = lastKeyTime
-                                            + ViewConfiguration.getLongPressTimeout();
-                                    if (DEBUG_INPUT) Log.v(
-                                        TAG, "Received key down: first repeat @ "
-                                        + nextKeyTime);
+                                    if (lastKey != null &&
+                                            ke.getKeyCode() == lastKey.getKeyCode()) {
+                                        keyRepeatCount++;
+                                        // Arbitrary long timeout to block
+                                        // repeating here since we know that
+                                        // the device driver takes care of it.
+                                        nextKeyTime = lastKeyTime + LONG_WAIT;
+                                        if (DEBUG_INPUT) Log.v(
+                                                TAG, "Received repeated key down");
+                                    } else {
+                                        downTime = curTime;
+                                        keyRepeatCount = 0;
+                                        nextKeyTime = lastKeyTime
+                                                + ViewConfiguration.getLongPressTimeout();
+                                        if (DEBUG_INPUT) Log.v(
+                                            TAG, "Received key down: first repeat @ "
+                                            + nextKeyTime);
+                                    }
+                                    lastKey = ke;
                                 } else {
                                     lastKey = null;
                                     downTime = 0;
+                                    keyRepeatCount = 0;
                                     // Arbitrary long timeout.
                                     lastKeyTime = curTime;
                                     nextKeyTime = curTime + LONG_WAIT;
                                     if (DEBUG_INPUT) Log.v(
                                         TAG, "Received key up: ignore repeat @ "
                                         + nextKeyTime);
                                 }
-                                dispatchKey((KeyEvent)ev.event, 0, 0);
+                                if (keyRepeatCount > 0) {
+                                    dispatchKey(KeyEvent.changeTimeRepeat(ke,
+                                            ke.getEventTime(), keyRepeatCount), 0, 0);
+                                } else {
+                                    dispatchKey(ke, 0, 0);
+                                }
                                 mQueue.recycleEvent(ev);
                                 break;
                             case RawInputEvent.CLASS_TOUCHSCREEN: