Merge "Enable data injection mode in SensorService."

3 files changed, 44 insertions, 10 deletions

diff --git a/libs/gui/ISensorServer.cpp b/libs/gui/ISensorServer.cpp
index 3c85ec0..140712e 100644
--- a/libs/gui/ISensorServer.cpp
+++ b/libs/gui/ISensorServer.cpp
@@ -35,6 +35,7 @@ namespace android {
 enum {
     GET_SENSOR_LIST = IBinder::FIRST_CALL_TRANSACTION,
     CREATE_SENSOR_EVENT_CONNECTION,
+    ENABLE_DATA_INJECTION
 };
 
 class BpSensorServer : public BpInterface<ISensorServer>
@@ -63,14 +64,24 @@ public:
         return v;
     }
 
-    virtual sp<ISensorEventConnection> createSensorEventConnection(const String8& packageName)
+    virtual sp<ISensorEventConnection> createSensorEventConnection(const String8& packageName,
+             int mode)
     {
         Parcel data, reply;
         data.writeInterfaceToken(ISensorServer::getInterfaceDescriptor());
         data.writeString8(packageName);
+        data.writeInt32(mode);
         remote()->transact(CREATE_SENSOR_EVENT_CONNECTION, data, &reply);
         return interface_cast<ISensorEventConnection>(reply.readStrongBinder());
     }
+
+    virtual status_t enableDataInjection(int enable) {
+        Parcel data, reply;
+        data.writeInterfaceToken(ISensorServer::getInterfaceDescriptor());
+        data.writeInt32(enable);
+        remote()->transact(ENABLE_DATA_INJECTION, data, &reply);
+        return reply.readInt32();
+    }
 };
 
 // Out-of-line virtual method definition to trigger vtable emission in this
@@ -98,10 +109,18 @@ status_t BnSensorServer::onTransact(
         case CREATE_SENSOR_EVENT_CONNECTION: {
             CHECK_INTERFACE(ISensorServer, data, reply);
             String8 packageName = data.readString8();
-            sp<ISensorEventConnection> connection(createSensorEventConnection(packageName));
+            int32_t mode = data.readInt32();
+            sp<ISensorEventConnection> connection(createSensorEventConnection(packageName, mode));
             reply->writeStrongBinder(IInterface::asBinder(connection));
             return NO_ERROR;
         }
+        case ENABLE_DATA_INJECTION: {
+            CHECK_INTERFACE(ISensorServer, data, reply);
+            int32_t enable = data.readInt32();
+            status_t ret = enableDataInjection(enable);
+            reply->writeInt32(static_cast<int32_t>(ret));
+            return NO_ERROR;
+        }
     }
     return BBinder::onTransact(code, data, reply, flags);
 }
diff --git a/libs/gui/SensorEventQueue.cpp b/libs/gui/SensorEventQueue.cpp
index 76ae470..b5b5d68 100644
--- a/libs/gui/SensorEventQueue.cpp
+++ b/libs/gui/SensorEventQueue.cpp
@@ -149,6 +149,16 @@ status_t SensorEventQueue::setEventRate(Sensor const* sensor, nsecs_t ns) const
     return mSensorEventConnection->setEventRate(sensor->getHandle(), ns);
 }
 
+status_t SensorEventQueue::injectSensorEvent(const ASensorEvent& event) {
+   // Blocking call.
+   ssize_t size = ::send(mSensorChannel->getFd(), &event, sizeof(event), MSG_NOSIGNAL);
+   if (size < 0) {
+       ALOGE("injectSensorEvent failure %zd %d", size, mSensorChannel->getFd());
+       return size;
+   }
+   return NO_ERROR;
+}
+
 void SensorEventQueue::sendAck(const ASensorEvent* events, int count) {
     for (int i = 0; i < count; ++i) {
         if (events[i].flags & WAKE_UP_SENSOR_EVENT_NEEDS_ACK) {
diff --git a/libs/gui/SensorManager.cpp b/libs/gui/SensorManager.cpp
index 142c6ec..cedcf56 100644
--- a/libs/gui/SensorManager.cpp
+++ b/libs/gui/SensorManager.cpp
@@ -100,8 +100,6 @@ status_t SensorManager::assertStateLocked() const {
     return NO_ERROR;
 }
 
-
-
 ssize_t SensorManager::getSensorList(Sensor const* const** list) const
 {
     Mutex::Autolock _l(mLock);
@@ -139,18 +137,17 @@ Sensor const* SensorManager::getDefaultSensor(int type)
     return NULL;
 }
 
-sp<SensorEventQueue> SensorManager::createEventQueue(String8 packageName)
-{
+sp<SensorEventQueue> SensorManager::createEventQueue(String8 packageName, int mode) {
     sp<SensorEventQueue> queue;
 
     Mutex::Autolock _l(mLock);
     while (assertStateLocked() == NO_ERROR) {
         sp<ISensorEventConnection> connection =
-                mSensorServer->createSensorEventConnection(packageName);
+                mSensorServer->createSensorEventConnection(packageName, mode);
         if (connection == NULL) {
-            // SensorService just died.
-            ALOGE("createEventQueue: connection is NULL. SensorService died.");
-            continue;
+            // SensorService just died or the app doesn't have required permissions.
+            ALOGE("createEventQueue: connection is NULL.");
+            return NULL;
         }
         queue = new SensorEventQueue(connection);
         break;
@@ -158,5 +155,13 @@ sp<SensorEventQueue> SensorManager::createEventQueue(String8 packageName)
     return queue;
 }
 
+status_t SensorManager::enableDataInjection(bool enable) {
+    Mutex::Autolock _l(mLock);
+    if (assertStateLocked() == NO_ERROR) {
+        return mSensorServer->enableDataInjection(enable);
+    }
+    return INVALID_OPERATION;
+}
+
 // ----------------------------------------------------------------------------
 }; // namespace android