commit a47425a13c19f95057df78b8bb65bb25657e8753
author Jeff Brown <jeffbrown@google.com> Fri Apr 13 04:09:27 2012 -0700
committer Jeff Brown <jeffbrown@google.com> Fri Apr 13 17:01:15 2012 -0700
tree 675c0d6bf611f2427bb3d11315d410bf9087b20a
parent c2346134bb519a54d50655cbef940fc3fdec60a9

Add support for input devices that have vibrators.

Added a getVibrator() method to InputDevice which returns a Vibrator
associated with that input device.  Its uses the same API as the
system vibrator which makes it easy for applications to be modified
to use one or the other.

Bug: 6334179
Change-Id: Ifc7f13dbcb778670f3f1c07ccc562334e6109d2e

services/input/EventHub.h

diff --git a/services/input/EventHub.h b/services/input/EventHub.h
index 88159e7..51d2bac 100644
--- a/services/input/EventHub.h
+++ b/services/input/EventHub.h
@@ -113,6 +113,9 @@
     /* The input device is a joystick (implies gamepad, has joystick absolute axes). */
     INPUT_DEVICE_CLASS_JOYSTICK      = 0x00000100,
 
+    /* The input device has a vibrator (supports FF_RUMBLE). */
+    INPUT_DEVICE_CLASS_VIBRATOR      = 0x00000200,
+
     /* The input device is virtual (not a real device, not part of UI configuration). */
     INPUT_DEVICE_CLASS_VIRTUAL       = 0x40000000,
 
@@ -219,6 +222,10 @@
 
     virtual sp<KeyCharacterMap> getKeyCharacterMap(int32_t deviceId) const = 0;
 
+    /* Control the vibrator. */
+    virtual void vibrate(int32_t deviceId, nsecs_t duration) = 0;
+    virtual void cancelVibrate(int32_t deviceId) = 0;
+
     /* Requests the EventHub to reopen all input devices on the next call to getEvents(). */
     virtual void requestReopenDevices() = 0;
 
@@ -277,6 +284,9 @@
 
     virtual sp<KeyCharacterMap> getKeyCharacterMap(int32_t deviceId) const;
 
+    virtual void vibrate(int32_t deviceId, nsecs_t duration);
+    virtual void cancelVibrate(int32_t deviceId);
+
     virtual void requestReopenDevices();
 
     virtual void wake();
@@ -303,6 +313,7 @@
         uint8_t relBitmask[(REL_MAX + 1) / 8];
         uint8_t swBitmask[(SW_MAX + 1) / 8];
         uint8_t ledBitmask[(LED_MAX + 1) / 8];
+        uint8_t ffBitmask[(FF_MAX + 1) / 8];
         uint8_t propBitmask[(INPUT_PROP_MAX + 1) / 8];
 
         String8 configurationFile;
@@ -310,6 +321,9 @@
         VirtualKeyMap* virtualKeyMap;
         KeyMap keyMap;
 
+        bool ffEffectPlaying;
+        int16_t ffEffectId; // initially -1
+
         Device(int fd, int32_t id, const String8& path, const InputDeviceIdentifier& identifier);
         ~Device();