Merge pi-dev-plus-aosp-without-vendor into stage-aosp-master

Bug: 79597307
Change-Id: I6d6bee71b9424eb478780bbfc06b830eb8ded342

12 files changed, 272 insertions, 164 deletions

diff --git a/include/android/hardware_buffer_jni.h b/include/android/hardware_buffer_jni.h
index 60208701b6..7c4be24dbd 100644
--- a/include/android/hardware_buffer_jni.h
+++ b/include/android/hardware_buffer_jni.h
@@ -31,9 +31,11 @@ __BEGIN_DECLS
 
 /**
  * Return the AHardwareBuffer associated with a Java HardwareBuffer object,
- * for interacting with it through native code.  This acquires a reference
- * on the AHardwareBuffer that is returned; be sure to use
- * AHardwareBuffer_release() when done with it so that it doesn't leak.
+ * for interacting with it through native code. This method does not acquire any
+ * additional reference to the AHardwareBuffer that is returned. To keep the
+ * AHardwareBuffer live after the Java HardwareBuffer object got garbage
+ * collected, be sure to use AHardwareBuffer_acquire() to acquire an additional
+ * reference.
  */
 AHardwareBuffer* AHardwareBuffer_fromHardwareBuffer(JNIEnv* env,
         jobject hardwareBufferObj);
diff --git a/include/android/keycodes.h b/include/android/keycodes.h
index 2164d6163e..59d67f35f2 100644
--- a/include/android/keycodes.h
+++ b/include/android/keycodes.h
@@ -767,7 +767,9 @@ enum {
     /** fingerprint navigation key, right. */
     AKEYCODE_SYSTEM_NAVIGATION_RIGHT = 283,
     /** all apps */
-    AKEYCODE_ALL_APPS = 284
+    AKEYCODE_ALL_APPS = 284,
+    /** refresh key */
+    AKEYCODE_REFRESH = 285
 
     // NOTE: If you add a new keycode here you must also add it to several other files.
     //       Refer to frameworks/base/core/java/android/view/KeyEvent.java for the full list.
diff --git a/include/android/sensor.h b/include/android/sensor.h
index 029db0a2fe..191777cee5 100644
--- a/include/android/sensor.h
+++ b/include/android/sensor.h
@@ -288,7 +288,7 @@ enum {
  * A sensor event.
  */
 
-/* NOTE: Must match hardware/sensors.h */
+/* NOTE: changes to these structs have to be backward compatible */
 typedef struct ASensorVector {
     union {
         float v[3];
@@ -350,7 +350,7 @@ typedef struct {
     };
 } AAdditionalInfoEvent;
 
-/* NOTE: Must match hardware/sensors.h */
+/* NOTE: changes to this struct has to be backward compatible */
 typedef struct ASensorEvent {
     int32_t version; /* sizeof(struct ASensorEvent) */
     int32_t sensor;
diff --git a/include/android/surface_texture.h b/include/android/surface_texture.h
new file mode 100644
index 0000000000..56b3342166
--- /dev/null
+++ b/include/android/surface_texture.h
@@ -0,0 +1,162 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @addtogroup SurfaceTexture
+ * @{
+ */
+
+/**
+ * @file surface_texture.h
+ */
+
+#ifndef ANDROID_NATIVE_SURFACE_TEXTURE_H
+#define ANDROID_NATIVE_SURFACE_TEXTURE_H
+
+/******************************************************************
+ *
+ * IMPORTANT NOTICE:
+ *
+ *   This file is part of Android's set of stable system headers
+ *   exposed by the Android NDK (Native Development Kit).
+ *
+ *   Third-party source AND binary code relies on the definitions
+ *   here to be FROZEN ON ALL UPCOMING PLATFORM RELEASES.
+ *
+ *   - DO NOT MODIFY ENUMS (EXCEPT IF YOU ADD NEW 32-BIT VALUES)
+ *   - DO NOT MODIFY CONSTANTS OR FUNCTIONAL MACROS
+ *   - DO NOT CHANGE THE SIGNATURE OF FUNCTIONS IN ANY WAY
+ *   - DO NOT CHANGE THE LAYOUT OR SIZE OF STRUCTURES
+ */
+
+#include <stdint.h>
+
+#include <android/native_window.h>
+
+__BEGIN_DECLS
+
+struct ASurfaceTexture;
+
+/**
+ * {@link ASurfaceTexture} is an opaque type to manage SurfaceTexture from native code
+ *
+ * {@link ASurfaceTexture} can be obtained from an android.graphics.SurfaceTexture object using
+ * ASurfaceTexture_fromSurfaceTexture().
+ */
+typedef struct ASurfaceTexture ASurfaceTexture;
+
+/**
+ * Release the reference to the native ASurfaceTexture acquired with
+ * ASurfaceTexture_fromSurfaceTexture().
+ * Failing to do so will result in leaked memory and graphic resources.
+ * \param st A ASurfaceTexture reference acquired with ASurfaceTexture_fromSurfaceTexture()
+ */
+void ASurfaceTexture_release(ASurfaceTexture* st);
+
+/**
+ * Returns a reference to an ANativeWindow (i.e. the Producer) for this SurfaceTexture.
+ * This is equivalent to Java's: Surface sur = new Surface(surfaceTexture);
+ *
+ * \param st A ASurfaceTexture reference acquired with ASurfaceTexture_fromSurfaceTexture()
+ * @return A reference to an ANativeWindow. This reference MUST BE released when no longer needed
+ * using ANativeWindow_release(). Failing to do so will result in leaked resources. nullptr is
+ * returned if \st is null or if it's not an instance of android.graphics.SurfaceTexture
+ */
+ANativeWindow* ASurfaceTexture_acquireANativeWindow(ASurfaceTexture* st);
+
+/**
+ * Attach the SurfaceTexture to the OpenGL ES context that is current on the calling thread.  A
+ * new OpenGL ES texture object is created and populated with the SurfaceTexture image frame
+ * that was current at the time of the last call to {@link #detachFromGLContext}.  This new
+ * texture is bound to the GL_TEXTURE_EXTERNAL_OES texture target.
+ *
+ * This can be used to access the SurfaceTexture image contents from multiple OpenGL ES
+ * contexts.  Note, however, that the image contents are only accessible from one OpenGL ES
+ * context at a time.
+ *
+ * \param st A ASurfaceTexture reference acquired with ASurfaceTexture_fromSurfaceTexture()
+ * \param texName The name of the OpenGL ES texture that will be created.  This texture name
+ * must be unusued in the OpenGL ES context that is current on the calling thread.
+ * \return 0 on success, negative posix error code otherwise (see <errno.h>)
+ */
+int ASurfaceTexture_attachToGLContext(ASurfaceTexture* st, uint32_t texName);
+
+/**
+ * Detach the SurfaceTexture from the OpenGL ES context that owns the OpenGL ES texture object.
+ * This call must be made with the OpenGL ES context current on the calling thread.  The OpenGL
+ * ES texture object will be deleted as a result of this call.  After calling this method all
+ * calls to {@link #updateTexImage} will fail until a successful call to {@link #attachToGLContext}
+ * is made.
+ *
+ * This can be used to access the SurfaceTexture image contents from multiple OpenGL ES
+ * contexts.  Note, however, that the image contents are only accessible from one OpenGL ES
+ * context at a time.
+ *
+ * \param st A ASurfaceTexture reference acquired with ASurfaceTexture_fromSurfaceTexture()
+ * \return 0 on success, negative posix error code otherwise (see <errno.h>)
+ */
+int ASurfaceTexture_detachFromGLContext(ASurfaceTexture* st);
+
+/**
+ * Update the texture image to the most recent frame from the image stream.  This may only be
+ * called while the OpenGL ES context that owns the texture is current on the calling thread.
+ * It will implicitly bind its texture to the GL_TEXTURE_EXTERNAL_OES texture target.
+ *
+ * \param st A ASurfaceTexture reference acquired with ASurfaceTexture_fromSurfaceTexture()
+ * \return 0 on success, negative posix error code otherwise (see <errno.h>)
+ */
+int ASurfaceTexture_updateTexImage(ASurfaceTexture* st);
+
+/**
+ * Retrieve the 4x4 texture coordinate transform matrix associated with the texture image set by
+ * the most recent call to updateTexImage.
+ *
+ * This transform matrix maps 2D homogeneous texture coordinates of the form (s, t, 0, 1) with s
+ * and t in the inclusive range [0, 1] to the texture coordinate that should be used to sample
+ * that location from the texture.  Sampling the texture outside of the range of this transform
+ * is undefined.
+ *
+ * The matrix is stored in column-major order so that it may be passed directly to OpenGL ES via
+ * the glLoadMatrixf or glUniformMatrix4fv functions.
+ *
+ * \param st A ASurfaceTexture reference acquired with ASurfaceTexture_fromSurfaceTexture()
+ * \param mtx the array into which the 4x4 matrix will be stored.  The array must have exactly
+ *     16 elements.
+ */
+void ASurfaceTexture_getTransformMatrix(ASurfaceTexture* st, float mtx[16]);
+
+/**
+ * Retrieve the timestamp associated with the texture image set by the most recent call to
+ * updateTexImage.
+ *
+ * This timestamp is in nanoseconds, and is normally monotonically increasing. The timestamp
+ * should be unaffected by time-of-day adjustments, and for a camera should be strictly
+ * monotonic but for a MediaPlayer may be reset when the position is set.  The
+ * specific meaning and zero point of the timestamp depends on the source providing images to
+ * the SurfaceTexture. Unless otherwise specified by the image source, timestamps cannot
+ * generally be compared across SurfaceTexture instances, or across multiple program
+ * invocations. It is mostly useful for determining time offsets between subsequent frames.
+ *
+ * For EGL/Vulkan producers, this timestamp is the desired present time set with the
+ * EGL_ANDROID_presentation_time or VK_GOOGLE_display_timing extensions
+ *
+ * \param st A ASurfaceTexture reference acquired with ASurfaceTexture_fromSurfaceTexture()
+ */
+int64_t ASurfaceTexture_getTimestamp(ASurfaceTexture* st);
+
+__END_DECLS
+
+#endif /* ANDROID_NATIVE_SURFACE_TEXTURE_H */
diff --git a/include/android/surface_texture_jni.h b/include/android/surface_texture_jni.h
new file mode 100644
index 0000000000..b0e1edd590
--- /dev/null
+++ b/include/android/surface_texture_jni.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @addtogroup SurfaceTexture
+ * @{
+ */
+
+/**
+ * @file surface_texture_jni.h
+ */
+
+#ifndef ANDROID_NATIVE_SURFACE_TEXTURE_JNI_H
+#define ANDROID_NATIVE_SURFACE_TEXTURE_JNI_H
+
+#include <android/surface_texture.h>
+
+#include <jni.h>
+
+__BEGIN_DECLS
+
+/**
+ * Get a reference to the native ASurfaceTexture from the corresponding java object.
+ *
+ * The caller must keep a reference to the Java SurfaceTexture during the lifetime of the returned
+ * ASurfaceTexture. Failing to do so could result in the ASurfaceTexture to stop functioning
+ * properly once the Java object gets finalized.
+ * However, this will not result in program termination.
+ *
+ * \param env JNI environment
+ * \param surfacetexture Instance of Java SurfaceTexture object
+ * \return native ASurfaceTexture reference or nullptr if the java object is not a SurfaceTexture.
+ *         The returned reference MUST BE released when it's no longer needed using
+ *         ASurfaceTexture_release().
+ */
+ASurfaceTexture* ASurfaceTexture_fromSurfaceTexture(JNIEnv* env, jobject surfacetexture);
+
+__END_DECLS
+
+#endif /* ANDROID_NATIVE_SURFACE_TEXTURE_JNI_H */
diff --git a/include/audiomanager/IAudioManager.h b/include/audiomanager/IAudioManager.h
index 067dc5cf22..d279bbd045 100644
--- a/include/audiomanager/IAudioManager.h
+++ b/include/audiomanager/IAudioManager.h
@@ -32,90 +32,10 @@ public:
     // These transaction IDs must be kept in sync with the method order from
     // IAudioService.aidl.
     enum {
-        // transaction IDs for the unsupported methods are commented out
-        /*
-        ADJUSTSUGGESTEDSTREAMVOLUME           = IBinder::FIRST_CALL_TRANSACTION,
-        ADJUSTSTREAMVOLUME                    = IBinder::FIRST_CALL_TRANSACTION + 1,
-        SETSTREAMVOLUME                       = IBinder::FIRST_CALL_TRANSACTION + 2,
-        ISSTREAMMUTE                          = IBinder::FIRST_CALL_TRANSACTION + 3,
-        FORCEREMOTESUBMIXFULLVOLUME           = IBinder::FIRST_CALL_TRANSACTION + 4,
-        ISMASTERMUTE                          = IBinder::FIRST_CALL_TRANSACTION + 5,
-        SETMASTERMUTE                         = IBinder::FIRST_CALL_TRANSACTION + 6,
-        GETSTREAMVOLUME                       = IBinder::FIRST_CALL_TRANSACTION + 7,
-        GETSTREAMMINVOLUME                    = IBinder::FIRST_CALL_TRANSACTION + 8,
-        GETSTREAMMAXVOLUME                    = IBinder::FIRST_CALL_TRANSACTION + 9,
-        GETLASTAUDIBLESTREAMVOLUME            = IBinder::FIRST_CALL_TRANSACTION + 10,
-        SETMICROPHONEMUTE                     = IBinder::FIRST_CALL_TRANSACTION + 11,
-        SETRINGERMODEEXTERNAL                 = IBinder::FIRST_CALL_TRANSACTION + 12,
-        SETRINGERMODEINTERNAL                 = IBinder::FIRST_CALL_TRANSACTION + 13,
-        GETRINGERMODEEXTERNAL                 = IBinder::FIRST_CALL_TRANSACTION + 14,
-        GETRINGERMODEINTERNAL                 = IBinder::FIRST_CALL_TRANSACTION + 15,
-        ISVALIDRINGERMODE                     = IBinder::FIRST_CALL_TRANSACTION + 16,
-        SETVIBRATESETTING                     = IBinder::FIRST_CALL_TRANSACTION + 17,
-        GETVIBRATESETTING                     = IBinder::FIRST_CALL_TRANSACTION + 18,
-        SHOULDVIBRATE                         = IBinder::FIRST_CALL_TRANSACTION + 19,
-        SETMODE                               = IBinder::FIRST_CALL_TRANSACTION + 20,
-        GETMODE                               = IBinder::FIRST_CALL_TRANSACTION + 21,
-        PLAYSOUNDEFFECT                       = IBinder::FIRST_CALL_TRANSACTION + 22,
-        PLAYSOUNDEFFECTVOLUME                 = IBinder::FIRST_CALL_TRANSACTION + 23,
-        LOADSOUNDEFFECTS                      = IBinder::FIRST_CALL_TRANSACTION + 24,
-        UNLOADSOUNDEFFECTS                    = IBinder::FIRST_CALL_TRANSACTION + 25,
-        RELOADAUDIOSETTINGS                   = IBinder::FIRST_CALL_TRANSACTION + 26,
-        AVRCPSUPPORTSABSOLUTEVOLUME           = IBinder::FIRST_CALL_TRANSACTION + 27,
-        SETSPEAKERPHONEON                     = IBinder::FIRST_CALL_TRANSACTION + 28,
-        ISSPEAKERPHONEON                      = IBinder::FIRST_CALL_TRANSACTION + 29,
-        SETBLUETOOTHSCOON                     = IBinder::FIRST_CALL_TRANSACTION + 30,
-        ISBLUETOOTHSCOON                      = IBinder::FIRST_CALL_TRANSACTION + 31,
-        SETBLUETOOTHA2DPON                    = IBinder::FIRST_CALL_TRANSACTION + 32,
-        ISBLUETOOTHA2DPON                     = IBinder::FIRST_CALL_TRANSACTION + 33,
-        REQUESTAUDIOFOCUS                     = IBinder::FIRST_CALL_TRANSACTION + 34,
-        ABANDONAUDIOFOCUS                     = IBinder::FIRST_CALL_TRANSACTION + 35,
-        UNREGISTERAUDIOFOCUSCLIENT            = IBinder::FIRST_CALL_TRANSACTION + 36,
-        GETCURRENTAUDIOFOCUS                  = IBinder::FIRST_CALL_TRANSACTION + 37,
-        STARTBLUETOOTHSCO                     = IBinder::FIRST_CALL_TRANSACTION + 38,
-        STARTBLUETOOTHSCOVIRTUALCALL          = IBinder::FIRST_CALL_TRANSACTION + 39,
-        STOPBLUETOOTHSCO                      = IBinder::FIRST_CALL_TRANSACTION + 40,
-        FORCEVOLUMECONTROLSTREAM              = IBinder::FIRST_CALL_TRANSACTION + 41,
-        SETRINGTONEPLAYER                     = IBinder::FIRST_CALL_TRANSACTION + 42,
-        GETRINGTONEPLAYER                     = IBinder::FIRST_CALL_TRANSACTION + 43,
-        GETUISOUNDSSTREAMTYPE                 = IBinder::FIRST_CALL_TRANSACTION + 44,
-        SETWIREDDEVICECONNECTIONSTATE         = IBinder::FIRST_CALL_TRANSACTION + 45,
-        SETBLUETOOTHA2DPDEVICECONNECTIONSTATE = IBinder::FIRST_CALL_TRANSACTION + 46,
-        HANDLEBLUETOOTHA2DPDEVICECONFIGCHANGE = IBinder::FIRST_CALL_TRANSACTION + 47,
-        STARTWATCHINGROUTES                   = IBinder::FIRST_CALL_TRANSACTION + 48,
-        ISCAMERASOUNDFORCED                   = IBinder::FIRST_CALL_TRANSACTION + 49,
-        SETVOLUMECONTROLLER                   = IBinder::FIRST_CALL_TRANSACTION + 50,
-        NOTIFYVOLUMECONTROLLERVISIBLE         = IBinder::FIRST_CALL_TRANSACTION + 51,
-        ISSTREAMAFFECTEDBYRINGERMODE          = IBinder::FIRST_CALL_TRANSACTION + 52,
-        ISSTREAMAFFECTEDBYMUTE                = IBinder::FIRST_CALL_TRANSACTION + 53,
-        DISABLESAFEMEDIAVOLUME                = IBinder::FIRST_CALL_TRANSACTION + 54,
-        SETHDMISYSTEMAUDIOSUPPORTED           = IBinder::FIRST_CALL_TRANSACTION + 55,
-        ISHDMISYSTEMAUDIOSUPPORTED            = IBinder::FIRST_CALL_TRANSACTION + 56,
-        REGISTERAUDIOPOLICY                   = IBinder::FIRST_CALL_TRANSACTION + 57,
-        UNREGISTERAUDIOPOLICYASYNC            = IBinder::FIRST_CALL_TRANSACTION + 58,
-        SETFOCUSPROPERTIESFORPOLICY           = IBinder::FIRST_CALL_TRANSACTION + 59,
-        SETVOLUMEPOLICY                       = IBinder::FIRST_CALL_TRANSACTION + 60,
-        REGISTERRECORDINGCALLBACK             = IBinder::FIRST_CALL_TRANSACTION + 61,
-        UNREGISTERRECORDINGCALLBACK           = IBinder::FIRST_CALL_TRANSACTION + 62,
-        GETACTIVERECORDINGCONFIGURATIONS      = IBinder::FIRST_CALL_TRANSACTION + 63,
-        REGISTERPLAYBACKCALLBACK              = IBinder::FIRST_CALL_TRANSACTION + 64,
-        UNREGISTERPLAYBACKCALLBACK            = IBinder::FIRST_CALL_TRANSACTION + 65,
-        GETACTIVEPLAYBACKCONFIGURATIONS       = IBinder::FIRST_CALL_TRANSACTION + 66,
-        */
-
-        TRACK_PLAYER                          = IBinder::FIRST_CALL_TRANSACTION + 67,
-        PLAYER_ATTRIBUTES                     = IBinder::FIRST_CALL_TRANSACTION + 68,
-        PLAYER_EVENT                          = IBinder::FIRST_CALL_TRANSACTION + 69,
-        RELEASE_PLAYER                        = IBinder::FIRST_CALL_TRANSACTION + 70,
-
-        /*
-        DISABLE_RINGTONE_SYNC                 = IBinder::FIRST_CALL_TRANSACTION + 71,
-        GET_FOCUS_RAMP_TIME_MS                = IBinder::FIRST_CALL_TRANSACTION + 72,
-        DISPATCH_FOCUS_CHANGE                 = IBinder::FIRST_CALL_TRANSACTION + 73,
-        PLAYER_HAS_OP_PLAY_AUDIO              = IBinder::FIRST_CALL_TRANSACTION + 74,
-        SET_BLUETOOTH_A2DP_DEVICE_CONNECTION_STATE_SUPPRESS_NOISY_INTENT
-                                              = IBinder::FIRST_CALL_TRANSACTION + 75,
-        */
+        TRACK_PLAYER                          = IBinder::FIRST_CALL_TRANSACTION,
+        PLAYER_ATTRIBUTES                     = IBinder::FIRST_CALL_TRANSACTION + 1,
+        PLAYER_EVENT                          = IBinder::FIRST_CALL_TRANSACTION + 2,
+        RELEASE_PLAYER                        = IBinder::FIRST_CALL_TRANSACTION + 3,
     };
 
     DECLARE_META_INTERFACE(AudioManager)
diff --git a/include/audiomanager/IPlayer.h b/include/audiomanager/IPlayer.h
deleted file mode 100644
index de5c1c7b64..0000000000
--- a/include/audiomanager/IPlayer.h
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_IPLAYER_H
-#define ANDROID_IPLAYER_H
-
-#include <stdint.h>
-#include <sys/types.h>
-
-#include <media/VolumeShaper.h>
-#include <utils/RefBase.h>
-#include <utils/Errors.h>
-#include <binder/IInterface.h>
-
-namespace android {
-
-// ----------------------------------------------------------------------------
-
-class IPlayer : public IInterface
-{
-public:
-    DECLARE_META_INTERFACE(Player);
-
-    virtual void start() = 0;
-
-    virtual void pause() = 0;
-
-    virtual void stop() = 0;
-
-    virtual void setVolume(float vol) = 0;
-
-    virtual void setPan(float pan) = 0;
-
-    virtual void setStartDelayMs(int delayMs) = 0;
-
-    virtual void applyVolumeShaper(
-            const sp<VolumeShaper::Configuration>& configuration,
-            const sp<VolumeShaper::Operation>& operation) = 0;
-};
-
-// ----------------------------------------------------------------------------
-
-class BnPlayer : public BnInterface<IPlayer>
-{
-public:
-    virtual status_t    onTransact( uint32_t code,
-                                    const Parcel& data,
-                                    Parcel* reply,
-                                    uint32_t flags = 0);
-};
-
-// ----------------------------------------------------------------------------
-
-}; // namespace android
-
-#endif // ANDROID_IPLAYER_H
diff --git a/include/input/InputEventLabels.h b/include/input/InputEventLabels.h
index c282cf0b22..4b33a96adf 100644
--- a/include/input/InputEventLabels.h
+++ b/include/input/InputEventLabels.h
@@ -324,6 +324,7 @@ static const InputEventLabel KEYCODES[] = {
     DEFINE_KEYCODE(SYSTEM_NAVIGATION_LEFT),
     DEFINE_KEYCODE(SYSTEM_NAVIGATION_RIGHT),
     DEFINE_KEYCODE(ALL_APPS),
+    DEFINE_KEYCODE(REFRESH),
 
     { NULL, 0 }
 };
diff --git a/include/input/InputTransport.h b/include/input/InputTransport.h
index ea1d2aa41f..1ea2c2cc07 100644
--- a/include/input/InputTransport.h
+++ b/include/input/InputTransport.h
@@ -31,7 +31,6 @@
 #include <utils/Errors.h>
 #include <utils/Timers.h>
 #include <utils/RefBase.h>
-#include <utils/String8.h>
 #include <utils/Vector.h>
 #include <utils/BitSet.h>
 
@@ -142,16 +141,16 @@ protected:
     virtual ~InputChannel();
 
 public:
-    InputChannel(const String8& name, int fd);
+    InputChannel(const std::string& name, int fd);
 
     /* Creates a pair of input channels.
      *
      * Returns OK on success.
      */
-    static status_t openInputChannelPair(const String8& name,
+    static status_t openInputChannelPair(const std::string& name,
             sp<InputChannel>& outServerChannel, sp<InputChannel>& outClientChannel);
 
-    inline String8 getName() const { return mName; }
+    inline std::string getName() const { return mName; }
     inline int getFd() const { return mFd; }
 
     /* Sends a message to the other endpoint.
@@ -183,7 +182,7 @@ public:
     sp<InputChannel> dup() const;
 
 private:
-    String8 mName;
+    std::string mName;
     int mFd;
 };
 
diff --git a/include/input/KeyCharacterMap.h b/include/input/KeyCharacterMap.h
index 79359277c7..33d2757ec8 100644
--- a/include/input/KeyCharacterMap.h
+++ b/include/input/KeyCharacterMap.h
@@ -51,6 +51,9 @@ public:
         KEYBOARD_TYPE_PREDICTIVE = 2,
         KEYBOARD_TYPE_ALPHA = 3,
         KEYBOARD_TYPE_FULL = 4,
+        /**
+         * Deprecated. Set 'keyboard.specialFunction' to '1' in the device's IDC file instead.
+         */
         KEYBOARD_TYPE_SPECIAL_FUNCTION = 5,
         KEYBOARD_TYPE_OVERLAY = 6,
     };
diff --git a/include/input/VelocityTracker.h b/include/input/VelocityTracker.h
index 795f575a2e..ffa1614b55 100644
--- a/include/input/VelocityTracker.h
+++ b/include/input/VelocityTracker.h
@@ -264,6 +264,40 @@ private:
     Movement mMovements[HISTORY_SIZE];
 };
 
+class ImpulseVelocityTrackerStrategy : public VelocityTrackerStrategy {
+public:
+    ImpulseVelocityTrackerStrategy();
+    virtual ~ImpulseVelocityTrackerStrategy();
+
+    virtual void clear();
+    virtual void clearPointers(BitSet32 idBits);
+    virtual void addMovement(nsecs_t eventTime, BitSet32 idBits,
+            const VelocityTracker::Position* positions);
+    virtual bool getEstimator(uint32_t id, VelocityTracker::Estimator* outEstimator) const;
+
+private:
+    // Sample horizon.
+    // We don't use too much history by default since we want to react to quick
+    // changes in direction.
+    static constexpr nsecs_t HORIZON = 100 * 1000000; // 100 ms
+
+    // Number of samples to keep.
+    static constexpr size_t HISTORY_SIZE = 20;
+
+    struct Movement {
+        nsecs_t eventTime;
+        BitSet32 idBits;
+        VelocityTracker::Position positions[MAX_POINTERS];
+
+        inline const VelocityTracker::Position& getPosition(uint32_t id) const {
+            return positions[idBits.getIndexOfBit(id)];
+        }
+    };
+
+    size_t mIndex;
+    Movement mMovements[HISTORY_SIZE];
+};
+
 } // namespace android
 
 #endif // _LIBINPUT_VELOCITY_TRACKER_H
diff --git a/include/layerproto b/include/layerproto
new file mode 120000
index 0000000000..ef21a4eb8e
--- /dev/null
+++ b/include/layerproto
@@ -0,0 +1 @@
+../services/surfaceflinger/layerproto/include/layerproto/
\ No newline at end of file