Merge tag 'android-6.0.0_r26' into HEAD

Android 6.0.0 release 26

Conflicts:
	include/android/input.h

Change-Id: Ifa374c6d3055be3b8a5d60967f8b4c0043da739b

3 files changed, 82 insertions, 7 deletions

diff --git a/libs/gui/IGraphicBufferProducer.cpp b/libs/gui/IGraphicBufferProducer.cpp
index 2118c9234..8bdbc22ec 100644
--- a/libs/gui/IGraphicBufferProducer.cpp
+++ b/libs/gui/IGraphicBufferProducer.cpp
@@ -348,7 +348,7 @@ status_t BnGraphicBufferProducer::onTransact(
             uint32_t height = data.readUint32();
             PixelFormat format = static_cast<PixelFormat>(data.readInt32());
             uint32_t usage = data.readUint32();
-            int buf;
+            int buf = 0;
             sp<Fence> fence;
             int result = dequeueBuffer(&buf, &fence, async, width, height,
                     format, usage);
@@ -416,7 +416,7 @@ status_t BnGraphicBufferProducer::onTransact(
         }
         case QUERY: {
             CHECK_INTERFACE(IGraphicBufferProducer, data, reply);
-            int value;
+            int value = 0;
             int what = data.readInt32();
             int res = query(what, &value);
             reply->writeInt32(value);
diff --git a/libs/gui/SensorManager.cpp b/libs/gui/SensorManager.cpp
index dd3778137..33608b5bd 100644
--- a/libs/gui/SensorManager.cpp
+++ b/libs/gui/SensorManager.cpp
@@ -36,6 +36,58 @@
 namespace android {
 // ----------------------------------------------------------------------------
 
+android::Mutex android::SensorManager::sLock;
+std::map<String16, SensorManager*> android::SensorManager::sPackageInstances;
+
+SensorManager& SensorManager::getInstanceForPackage(const String16& packageName) {
+    Mutex::Autolock _l(sLock);
+    SensorManager* sensorManager;
+    std::map<String16, SensorManager*>::iterator iterator =
+        sPackageInstances.find(packageName);
+
+    if (iterator != sPackageInstances.end()) {
+        sensorManager = iterator->second;
+    } else {
+        String16 opPackageName = packageName;
+
+        // It is possible that the calling code has no access to the package name.
+        // In this case we will get the packages for the calling UID and pick the
+        // first one for attributing the app op. This will work correctly for
+        // runtime permissions as for legacy apps we will toggle the app op for
+        // all packages in the UID. The caveat is that the operation may be attributed
+        // to the wrong package and stats based on app ops may be slightly off.
+        if (opPackageName.size() <= 0) {
+            sp<IBinder> binder = defaultServiceManager()->getService(String16("permission"));
+            if (binder != 0) {
+                const uid_t uid = IPCThreadState::self()->getCallingUid();
+                Vector<String16> packages;
+                interface_cast<IPermissionController>(binder)->getPackagesForUid(uid, packages);
+                if (!packages.isEmpty()) {
+                    opPackageName = packages[0];
+                } else {
+                    ALOGE("No packages for calling UID");
+                }
+            } else {
+                ALOGE("Cannot get permission service");
+            }
+        }
+
+        sensorManager = new SensorManager(opPackageName);
+
+        // If we had no package name, we looked it up from the UID and the sensor
+        // manager instance we created should also be mapped to the empty package
+        // name, to avoid looking up the packages for a UID and get the same result.
+        if (packageName.size() <= 0) {
+            sPackageInstances.insert(std::make_pair(String16(), sensorManager));
+        }
+
+        // Stash the per package sensor manager.
+        sPackageInstances.insert(std::make_pair(opPackageName, sensorManager));
+    }
+
+    return *sensorManager;
+}
+
 SensorManager::SensorManager(const String16& opPackageName)
     : mSensorList(0), mOpPackageName(opPackageName)
 {
@@ -58,13 +110,23 @@ void SensorManager::sensorManagerDied()
 }
 
 status_t SensorManager::assertStateLocked() const {
+    bool initSensorManager = false;
     if (mSensorServer == NULL) {
-        // try for one second
+        initSensorManager = true;
+    } else {
+        // Ping binder to check if sensorservice is alive.
+        status_t err = IInterface::asBinder(mSensorServer)->pingBinder();
+        if (err != NO_ERROR) {
+            initSensorManager = true;
+        }
+    }
+    if (initSensorManager) {
+        // try for 300 seconds (60*5(getService() tries for 5 seconds)) before giving up ...
         const String16 name("sensorservice");
-        for (int i=0 ; i<4 ; i++) {
+        for (int i = 0; i < 60; i++) {
             status_t err = getService(name, &mSensorServer);
             if (err == NAME_NOT_FOUND) {
-                usleep(250000);
+                sleep(1);
                 continue;
             }
             if (err != NO_ERROR) {
@@ -83,6 +145,8 @@ status_t SensorManager::assertStateLocked() const {
             DeathObserver(SensorManager& mgr) : mSensorManger(mgr) { }
         };
 
+        LOG_ALWAYS_FATAL_IF(mSensorServer.get() == NULL, "getService(SensorService) NULL");
+
         mDeathObserver = new DeathObserver(*const_cast<SensorManager *>(this));
         IInterface::asBinder(mSensorServer)->linkToDeath(mDeathObserver);
 
@@ -90,6 +154,8 @@ status_t SensorManager::assertStateLocked() const {
         size_t count = mSensors.size();
         mSensorList =
                 static_cast<Sensor const**>(malloc(count * sizeof(Sensor*)));
+        LOG_ALWAYS_FATAL_IF(mSensorList == NULL, "mSensorList NULL");
+
         for (size_t i=0 ; i<count ; i++) {
             mSensorList[i] = mSensors.array() + i;
         }
diff --git a/libs/input/InputTransport.cpp b/libs/input/InputTransport.cpp
index 0382f5788..7f83da523 100644
--- a/libs/input/InputTransport.cpp
+++ b/libs/input/InputTransport.cpp
@@ -51,6 +51,10 @@ static const nsecs_t RESAMPLE_LATENCY = 5 * NANOS_PER_MS;
 // Minimum time difference between consecutive samples before attempting to resample.
 static const nsecs_t RESAMPLE_MIN_DELTA = 2 * NANOS_PER_MS;
 
+// Maximum time difference between consecutive samples before attempting to resample
+// by extrapolation.
+static const nsecs_t RESAMPLE_MAX_DELTA = 20 * NANOS_PER_MS;
+
 // Maximum time to predict forward from the last known state, to avoid predicting too
 // far into the future.  This time is further bounded by 50% of the last time delta.
 static const nsecs_t RESAMPLE_MAX_PREDICTION = 8 * NANOS_PER_MS;
@@ -724,7 +728,7 @@ void InputConsumer::resampleTouchState(nsecs_t sampleTime, MotionEvent* event,
         nsecs_t delta = future.eventTime - current->eventTime;
         if (delta < RESAMPLE_MIN_DELTA) {
 #if DEBUG_RESAMPLING
-            ALOGD("Not resampled, delta time is %lld ns.", delta);
+            ALOGD("Not resampled, delta time is too small: %lld ns.", delta);
 #endif
             return;
         }
@@ -736,7 +740,12 @@ void InputConsumer::resampleTouchState(nsecs_t sampleTime, MotionEvent* event,
         nsecs_t delta = current->eventTime - other->eventTime;
         if (delta < RESAMPLE_MIN_DELTA) {
 #if DEBUG_RESAMPLING
-            ALOGD("Not resampled, delta time is %lld ns.", delta);
+            ALOGD("Not resampled, delta time is too small: %lld ns.", delta);
+#endif
+            return;
+        } else if (delta > RESAMPLE_MAX_DELTA) {
+#if DEBUG_RESAMPLING
+            ALOGD("Not resampled, delta time is too large: %lld ns.", delta);
 #endif
             return;
         }