Android 6.0.1 release 3

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Merge tag 'android-6.0.1_r3' of https://android.googlesource.com/platform/frameworks/native into cm-13.0

Android 6.0.1 release 3

Change-Id: I437aaf148d440a8144afe1454948980fc3b40cca

include/binder/Parcel.h

@@ -340,13 +340,13 @@ public:
         inline void* data() { return mData; }
     };
 
-#ifndef DISABLE_ASHMEM_TRACKING
 private:
-    size_t mBlobAshmemSize;
+    size_t mOpenAshmemSize;
-#endif
 
 public:
+    // TODO: Remove once ABI can be changed.
     size_t getBlobAshmemSize() const;
+    size_t getOpenAshmemSize() const;
 };
 
 // ---------------------------------------------------------------------------

include/input/Input.h

@@ -28,6 +28,7 @@
 #include <utils/String8.h>
 #include <utils/Timers.h>
 #include <utils/Vector.h>
+#include <stdint.h>
 
 /*
  * Additional private constants not defined in ndk/ui/input.h.
@@ -110,6 +111,11 @@ enum {
  */
 #define MAX_POINTERS 16
 
+/*
+ * Maximum number of samples supported per motion event.
+ */
+#define MAX_SAMPLES UINT16_MAX
+
 /*
  * Maximum pointer id value supported in a motion event.
  * Smallest pointer id is 0.

include/input/KeyCharacterMap.h

@@ -124,6 +124,11 @@ public:
      * the mapping in some way. */
     status_t mapKey(int32_t scanCode, int32_t usageCode, int32_t* outKeyCode) const;
 
+    /* Tries to find a replacement key code for a given key code and meta state
+     * in character map. */
+    void tryRemapKey(int32_t scanCode, int32_t metaState,
+            int32_t* outKeyCode, int32_t* outMetaState) const;
+
 #if HAVE_ANDROID_OS
     /* Reads a key map from a parcel. */
     static sp<KeyCharacterMap> readFromParcel(Parcel* parcel);
@@ -151,6 +156,9 @@ private:
 
         /* The fallback keycode if the key is not handled. */
         int32_t fallbackKeyCode;
+
+        /* The replacement keycode if the key has to be replaced outright. */
+        int32_t replacementKeyCode;
     };
 
     struct Key {

include/input/Keyboard.h

@@ -87,6 +87,13 @@ extern bool isEligibleBuiltInKeyboard(const InputDeviceIdentifier& deviceIdentif
  */
 extern int32_t updateMetaState(int32_t keyCode, bool down, int32_t oldMetaState);
 
+/**
+ * Normalizes the meta state such that if either the left or right modifier
+ * meta state bits are set then the result will also include the universal
+ * bit for that modifier.
+ */
+extern int32_t normalizeMetaState(int32_t oldMetaState);
+
 /**
  * Returns true if a key is a meta key like ALT or CAPS_LOCK.
  */

libs/binder/Parcel.cpp

@@ -96,7 +96,7 @@ enum {
 };
 
 void acquire_object(const sp<ProcessState>& proc,
-    const flat_binder_object& obj, const void* who)
+    const flat_binder_object& obj, const void* who, size_t* outAshmemSize)
 {
     switch (obj.type) {
         case BINDER_TYPE_BINDER:
@@ -123,8 +123,15 @@ void acquire_object(const sp<ProcessState>& proc,
             return;
         }
         case BINDER_TYPE_FD: {
-            // intentionally blank -- nothing to do to acquire this, but we do
+            if (obj.cookie != 0) {
-            // recognize it as a legitimate object type.
+                if (outAshmemSize != NULL) {
+                    // If we own an ashmem fd, keep track of how much memory it refers to.
+                    int size = ashmem_get_size_region(obj.handle);
+                    if (size > 0) {
+                        *outAshmemSize += size;
+                    }
+                }
+            }
             return;
         }
     }
@@ -132,8 +139,14 @@ void acquire_object(const sp<ProcessState>& proc,
     ALOGD("Invalid object type 0x%08x", obj.type);
 }
 
-void release_object(const sp<ProcessState>& proc,
+void acquire_object(const sp<ProcessState>& proc,
     const flat_binder_object& obj, const void* who)
+{
+    acquire_object(proc, obj, who, NULL);
+}
+
+static void release_object(const sp<ProcessState>& proc,
+    const flat_binder_object& obj, const void* who, size_t* outAshmemSize)
 {
     switch (obj.type) {
         case BINDER_TYPE_BINDER:
@@ -160,7 +173,16 @@ void release_object(const sp<ProcessState>& proc,
             return;
         }
         case BINDER_TYPE_FD: {
-            if (obj.cookie != 0) close(obj.handle);
+            if (outAshmemSize != NULL) {
+                if (obj.cookie != 0) {
+                    int size = ashmem_get_size_region(obj.handle);
+                    if (size > 0) {
+                        *outAshmemSize -= size;
+                    }
+
+                    close(obj.handle);
+                }
+            }
             return;
         }
     }
@@ -168,6 +190,12 @@ void release_object(const sp<ProcessState>& proc,
     ALOGE("Invalid object type 0x%08x", obj.type);
 }
 
+void release_object(const sp<ProcessState>& proc,
+    const flat_binder_object& obj, const void* who)
+{
+    release_object(proc, obj, who, NULL);
+}
+
 inline static status_t finish_flatten_binder(
     const sp<IBinder>& /*binder*/, const flat_binder_object& flat, Parcel* out)
 {
@@ -504,7 +532,7 @@ status_t Parcel::appendFrom(const Parcel *parcel, size_t offset, size_t len)
 
             flat_binder_object* flat
                 = reinterpret_cast<flat_binder_object*>(mData + off);
-            acquire_object(proc, *flat, this);
+            acquire_object(proc, *flat, this, &mOpenAshmemSize);
 
             if (flat->type == BINDER_TYPE_FD) {
                 // If this is a file descriptor, we need to dup it so the
@@ -922,9 +950,7 @@ status_t Parcel::writeBlob(size_t len, bool mutableCopy, WritableBlob* outBlob)
     ALOGV("writeBlob: write to ashmem");
     int fd = ashmem_create_region("Parcel Blob", len);
     if (fd < 0) return NO_MEMORY;
-#ifndef DISABLE_ASHMEM_TRACKING
+
-    mBlobAshmemSize += len;
-#endif
     int result = ashmem_set_prot_region(fd, PROT_READ | PROT_WRITE);
     if (result < 0) {
         status = result;
@@ -1026,7 +1052,7 @@ restart_write:
         // Need to write meta-data?
         if (nullMetaData || val.binder != 0) {
             mObjects[mObjectsSize] = mDataPos;
-            acquire_object(ProcessState::self(), val, this);
+            acquire_object(ProcessState::self(), val, this, &mOpenAshmemSize);
             mObjectsSize++;
         }
 
@@ -1609,7 +1635,7 @@ void Parcel::releaseObjects()
         i--;
         const flat_binder_object* flat
             = reinterpret_cast<flat_binder_object*>(data+objects[i]);
-        release_object(proc, *flat, this);
+        release_object(proc, *flat, this, &mOpenAshmemSize);
     }
 }
 
@@ -1623,7 +1649,7 @@ void Parcel::acquireObjects()
         i--;
         const flat_binder_object* flat
             = reinterpret_cast<flat_binder_object*>(data+objects[i]);
-        acquire_object(proc, *flat, this);
+        acquire_object(proc, *flat, this, &mOpenAshmemSize);
     }
 }
 
@@ -1805,7 +1831,7 @@ status_t Parcel::continueWrite(size_t desired)
                     // will need to rescan because we may have lopped off the only FDs
                     mFdsKnown = false;
                 }
-                release_object(proc, *flat, this);
+                release_object(proc, *flat, this, &mOpenAshmemSize);
             }
             binder_size_t* objects =
                 (binder_size_t*)realloc(mObjects, objectsSize*sizeof(binder_size_t));
@@ -1890,9 +1916,7 @@ void Parcel::initState()
     mFdsKnown = true;
     mAllowFds = true;
     mOwner = NULL;
-#ifndef DISABLE_ASHMEM_TRACKING
+    mOpenAshmemSize = 0;
-    mBlobAshmemSize = 0;
-#endif
 }
 
 void Parcel::scanForFds() const
@@ -1912,11 +1936,15 @@ void Parcel::scanForFds() const
 
 size_t Parcel::getBlobAshmemSize() const
 {
-#ifndef DISABLE_ASHMEM_TRACKING
+    // This used to return the size of all blobs that were written to ashmem, now we're returning
-    return mBlobAshmemSize;
+    // the ashmem currently referenced by this Parcel, which should be equivalent.
-#else
+    // TODO: Remove method once ABI can be changed.
-    return 0;
+    return mOpenAshmemSize;
-#endif
+}
+
+size_t Parcel::getOpenAshmemSize() const
+{
+    return mOpenAshmemSize;
 }
 
 // --- Parcel::Blob ---

libs/gui/Sensor.cpp

@@ -245,6 +245,11 @@ Sensor::Sensor(struct sensor_t const* hwSensor, int halVersion)
         break;
     }
 
+    // Set DATA_INJECTION flag here. Defined in HAL 1_4.
+    if (halVersion >= SENSORS_DEVICE_API_VERSION_1_4) {
+        mFlags |= (hwSensor->flags & DATA_INJECTION_MASK);
+    }
+
     // For the newer HALs log errors if reporting mask flags are set incorrectly.
     if (halVersion >= SENSORS_DEVICE_API_VERSION_1_3) {
         // Wake-up flag is set here.

libs/input/Input.cpp

@@ -424,7 +424,8 @@ void MotionEvent::transform(const float matrix[9]) {
 status_t MotionEvent::readFromParcel(Parcel* parcel) {
     size_t pointerCount = parcel->readInt32();
     size_t sampleCount = parcel->readInt32();
-    if (pointerCount == 0 || pointerCount > MAX_POINTERS || sampleCount == 0) {
+    if (pointerCount == 0 || pointerCount > MAX_POINTERS ||
+            sampleCount == 0 || sampleCount > MAX_SAMPLES) {
         return BAD_VALUE;
     }
 

libs/input/KeyCharacterMap.cpp

@@ -332,33 +332,75 @@ status_t KeyCharacterMap::mapKey(int32_t scanCode, int32_t usageCode, int32_t* o
     if (usageCode) {
         ssize_t index = mKeysByUsageCode.indexOfKey(usageCode);
         if (index >= 0) {
-#if DEBUG_MAPPING
-    ALOGD("mapKey: scanCode=%d, usageCode=0x%08x ~ Result keyCode=%d.",
-            scanCode, usageCode, *outKeyCode);
-#endif
             *outKeyCode = mKeysByUsageCode.valueAt(index);
+#if DEBUG_MAPPING
+            ALOGD("mapKey: scanCode=%d, usageCode=0x%08x ~ Result keyCode=%d.",
+                    scanCode, usageCode, *outKeyCode);
+#endif
             return OK;
         }
     }
     if (scanCode) {
         ssize_t index = mKeysByScanCode.indexOfKey(scanCode);
         if (index >= 0) {
-#if DEBUG_MAPPING
-    ALOGD("mapKey: scanCode=%d, usageCode=0x%08x ~ Result keyCode=%d.",
-            scanCode, usageCode, *outKeyCode);
-#endif
             *outKeyCode = mKeysByScanCode.valueAt(index);
+#if DEBUG_MAPPING
+            ALOGD("mapKey: scanCode=%d, usageCode=0x%08x ~ Result keyCode=%d.",
+                    scanCode, usageCode, *outKeyCode);
+#endif
             return OK;
         }
     }
 
 #if DEBUG_MAPPING
-        ALOGD("mapKey: scanCode=%d, usageCode=0x%08x ~ Failed.", scanCode, usageCode);
+    ALOGD("mapKey: scanCode=%d, usageCode=0x%08x ~ Failed.", scanCode, usageCode);
 #endif
     *outKeyCode = AKEYCODE_UNKNOWN;
     return NAME_NOT_FOUND;
 }
 
+void KeyCharacterMap::tryRemapKey(int32_t keyCode, int32_t metaState,
+                                  int32_t *outKeyCode, int32_t *outMetaState) const {
+    *outKeyCode = keyCode;
+    *outMetaState = metaState;
+
+    const Key* key;
+    const Behavior* behavior;
+    if (getKeyBehavior(keyCode, metaState, &key, &behavior)) {
+        if (behavior->replacementKeyCode) {
+            *outKeyCode = behavior->replacementKeyCode;
+            int32_t newMetaState = metaState & ~behavior->metaState;
+            // Reset dependent meta states.
+            if (behavior->metaState & AMETA_ALT_ON) {
+                newMetaState &= ~(AMETA_ALT_LEFT_ON | AMETA_ALT_RIGHT_ON);
+            }
+            if (behavior->metaState & (AMETA_ALT_LEFT_ON | AMETA_ALT_RIGHT_ON)) {
+                newMetaState &= ~AMETA_ALT_ON;
+            }
+            if (behavior->metaState & AMETA_CTRL_ON) {
+                newMetaState &= ~(AMETA_CTRL_LEFT_ON | AMETA_CTRL_RIGHT_ON);
+            }
+            if (behavior->metaState & (AMETA_CTRL_LEFT_ON | AMETA_CTRL_RIGHT_ON)) {
+                newMetaState &= ~AMETA_CTRL_ON;
+            }
+            if (behavior->metaState & AMETA_SHIFT_ON) {
+                newMetaState &= ~(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_RIGHT_ON);
+            }
+            if (behavior->metaState & (AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_RIGHT_ON)) {
+                newMetaState &= ~AMETA_SHIFT_ON;
+            }
+            // ... and put universal bits back if needed
+            *outMetaState = normalizeMetaState(newMetaState);
+        }
+    }
+
+#if DEBUG_MAPPING
+    ALOGD("tryRemapKey: keyCode=%d, metaState=0x%08x ~ "
+            "replacement keyCode=%d, replacement metaState=0x%08x.",
+            keyCode, metaState, *outKeyCode, *outMetaState);
+#endif
+}
+
 bool KeyCharacterMap::getKey(int32_t keyCode, const Key** outKey) const {
     ssize_t index = mKeys.indexOfKey(keyCode);
     if (index >= 0) {
@@ -584,6 +626,7 @@ sp<KeyCharacterMap> KeyCharacterMap::readFromParcel(Parcel* parcel) {
             int32_t metaState = parcel->readInt32();
             char16_t character = parcel->readInt32();
             int32_t fallbackKeyCode = parcel->readInt32();
+            int32_t replacementKeyCode = parcel->readInt32();
             if (parcel->errorCheck()) {
                 return NULL;
             }
@@ -592,6 +635,7 @@ sp<KeyCharacterMap> KeyCharacterMap::readFromParcel(Parcel* parcel) {
             behavior->metaState = metaState;
             behavior->character = character;
             behavior->fallbackKeyCode = fallbackKeyCode;
+            behavior->replacementKeyCode = replacementKeyCode;
             if (lastBehavior) {
                 lastBehavior->next = behavior;
             } else {
@@ -624,6 +668,7 @@ void KeyCharacterMap::writeToParcel(Parcel* parcel) const {
             parcel->writeInt32(behavior->metaState);
             parcel->writeInt32(behavior->character);
             parcel->writeInt32(behavior->fallbackKeyCode);
+            parcel->writeInt32(behavior->replacementKeyCode);
         }
         parcel->writeInt32(0);
     }
@@ -655,13 +700,14 @@ KeyCharacterMap::Key::~Key() {
 // --- KeyCharacterMap::Behavior ---
 
 KeyCharacterMap::Behavior::Behavior() :
-        next(NULL), metaState(0), character(0), fallbackKeyCode(0) {
+        next(NULL), metaState(0), character(0), fallbackKeyCode(0), replacementKeyCode(0) {
 }
 
 KeyCharacterMap::Behavior::Behavior(const Behavior& other) :
         next(other.next ? new Behavior(*other.next) : NULL),
         metaState(other.metaState), character(other.character),
-        fallbackKeyCode(other.fallbackKeyCode) {
+        fallbackKeyCode(other.fallbackKeyCode),
+        replacementKeyCode(other.replacementKeyCode) {
 }
 
 
@@ -923,6 +969,7 @@ status_t KeyCharacterMap::Parser::parseKeyProperty() {
     Behavior behavior;
     bool haveCharacter = false;
     bool haveFallback = false;
+    bool haveReplacement = false;
 
     do {
         char ch = mTokenizer->peekChar();
@@ -939,6 +986,11 @@ status_t KeyCharacterMap::Parser::parseKeyProperty() {
                         mTokenizer->getLocation().string());
                 return BAD_VALUE;
             }
+            if (haveReplacement) {
+                ALOGE("%s: Cannot combine character literal with replace action.",
+                        mTokenizer->getLocation().string());
+                return BAD_VALUE;
+            }
             behavior.character = character;
             haveCharacter = true;
         } else {
@@ -949,6 +1001,11 @@ status_t KeyCharacterMap::Parser::parseKeyProperty() {
                             mTokenizer->getLocation().string());
                     return BAD_VALUE;
                 }
+                if (haveReplacement) {
+                    ALOGE("%s: Cannot combine 'none' with replace action.",
+                            mTokenizer->getLocation().string());
+                    return BAD_VALUE;
+                }
                 haveCharacter = true;
             } else if (token == "fallback") {
                 mTokenizer->skipDelimiters(WHITESPACE);
@@ -960,13 +1017,36 @@ status_t KeyCharacterMap::Parser::parseKeyProperty() {
                             token.string());
                     return BAD_VALUE;
                 }
-                if (haveFallback) {
+                if (haveFallback || haveReplacement) {
-                    ALOGE("%s: Cannot combine multiple fallback key codes.",
+                    ALOGE("%s: Cannot combine multiple fallback/replacement key codes.",
                             mTokenizer->getLocation().string());
                     return BAD_VALUE;
                 }
                 behavior.fallbackKeyCode = keyCode;
                 haveFallback = true;
+            } else if (token == "replace") {
+                mTokenizer->skipDelimiters(WHITESPACE);
+                token = mTokenizer->nextToken(WHITESPACE);
+                int32_t keyCode = getKeyCodeByLabel(token.string());
+                if (!keyCode) {
+                    ALOGE("%s: Invalid key code label for replace, got '%s'.",
+                            mTokenizer->getLocation().string(),
+                            token.string());
+                    return BAD_VALUE;
+                }
+                if (haveCharacter) {
+                    ALOGE("%s: Cannot combine character literal with replace action.",
+                            mTokenizer->getLocation().string());
+                    return BAD_VALUE;
+                }
+                if (haveFallback || haveReplacement) {
+                    ALOGE("%s: Cannot combine multiple fallback/replacement key codes.",
+                            mTokenizer->getLocation().string());
+                    return BAD_VALUE;
+                }
+                behavior.replacementKeyCode = keyCode;
+                haveReplacement = true;
+
             } else {
                 ALOGE("%s: Expected a key behavior after ':'.",
                         mTokenizer->getLocation().string());
@@ -1016,8 +1096,10 @@ status_t KeyCharacterMap::Parser::parseKeyProperty() {
             newBehavior->next = key->firstBehavior;
             key->firstBehavior = newBehavior;
 #if DEBUG_PARSER
-            ALOGD("Parsed key meta: keyCode=%d, meta=0x%x, char=%d, fallback=%d.", mKeyCode,
+            ALOGD("Parsed key meta: keyCode=%d, meta=0x%x, char=%d, fallback=%d replace=%d.",
-                    newBehavior->metaState, newBehavior->character, newBehavior->fallbackKeyCode);
+                    mKeyCode,
+                    newBehavior->metaState, newBehavior->character,
+                    newBehavior->fallbackKeyCode, newBehavior->replacementKeyCode);
 #endif
             break;
         }

libs/input/Keyboard.cpp

@@ -176,6 +176,11 @@ static int32_t setEphemeralMetaState(int32_t mask, bool down, int32_t oldMetaSta
                 ~(mask | AMETA_ALT_ON | AMETA_SHIFT_ON | AMETA_CTRL_ON | AMETA_META_ON);
     }
 
+    return normalizeMetaState(newMetaState);
+}
+
+int32_t normalizeMetaState(int32_t oldMetaState) {
+    int32_t newMetaState = oldMetaState;
     if (newMetaState & (AMETA_ALT_LEFT_ON | AMETA_ALT_RIGHT_ON)) {
         newMetaState |= AMETA_ALT_ON;
     }

opengl/libs/EGL/eglApi.cpp

@@ -604,15 +604,6 @@ EGLBoolean eglDestroySurface(EGLDisplay dpy, EGLSurface surface)
         return setError(EGL_BAD_SURFACE, EGL_FALSE);
 
     egl_surface_t * const s = get_surface(surface);
-    ANativeWindow* window = s->win.get();
-    if (window) {
-        int result = native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
-        if (result != OK) {
-            ALOGE("eglDestroySurface: native_window_api_disconnect (win=%p) "
-                  "failed (%#x)",
-                  window, result);
-        }
-    }
     EGLBoolean result = s->cnx->egl.eglDestroySurface(dp->disp.dpy, s->surface);
     if (result == EGL_TRUE) {
         _s.terminate();

services/inputflinger/EventHub.cpp

@@ -438,10 +438,12 @@ bool EventHub::markSupportedKeyCodes(int32_t deviceId, size_t numCodes,
     return false;
 }
 
-status_t EventHub::mapKey(int32_t deviceId, int32_t scanCode, int32_t usageCode,
+status_t EventHub::mapKey(int32_t deviceId,
-        int32_t* outKeycode, uint32_t* outFlags) const {
+        int32_t scanCode, int32_t usageCode, int32_t metaState,
+        int32_t* outKeycode, int32_t* outMetaState, uint32_t* outFlags) const {
     AutoMutex _l(mLock);
     Device* device = getDeviceLocked(deviceId);
+    status_t status = NAME_NOT_FOUND;
 
     if (device) {
         // Check the key character map first.
@@ -449,22 +451,34 @@ status_t EventHub::mapKey(int32_t deviceId, int32_t scanCode, int32_t usageCode,
         if (kcm != NULL) {
             if (!kcm->mapKey(scanCode, usageCode, outKeycode)) {
                 *outFlags = 0;
-                return NO_ERROR;
+                status = NO_ERROR;
             }
         }
 
         // Check the key layout next.
-        if (device->keyMap.haveKeyLayout()) {
+        if (status != NO_ERROR && device->keyMap.haveKeyLayout()) {
             if (!device->keyMap.keyLayoutMap->mapKey(
                     scanCode, usageCode, outKeycode, outFlags)) {
-                return NO_ERROR;
+                status = NO_ERROR;
+            }
+        }
+
+        if (status == NO_ERROR) {
+            if (kcm != NULL) {
+                kcm->tryRemapKey(*outKeycode, metaState, outKeycode, outMetaState);
+            } else {
+                *outMetaState = metaState;
             }
         }
     }
 
-    *outKeycode = 0;
+    if (status != NO_ERROR) {
-    *outFlags = 0;
+        *outKeycode = 0;
-    return NAME_NOT_FOUND;
+        *outFlags = 0;
+        *outMetaState = metaState;
+    }
+
+    return status;
 }
 
 status_t EventHub::mapAxis(int32_t deviceId, int32_t scanCode, AxisInfo* outAxisInfo) const {

services/inputflinger/EventHub.h

@@ -197,8 +197,9 @@ public:
 
     virtual bool hasInputProperty(int32_t deviceId, int property) const = 0;
 
-    virtual status_t mapKey(int32_t deviceId, int32_t scanCode, int32_t usageCode,
+    virtual status_t mapKey(int32_t deviceId,
-            int32_t* outKeycode, uint32_t* outFlags) const = 0;
+            int32_t scanCode, int32_t usageCode, int32_t metaState,
+            int32_t* outKeycode, int32_t *outMetaState, uint32_t* outFlags) const = 0;
 
     virtual status_t mapAxis(int32_t deviceId, int32_t scanCode,
             AxisInfo* outAxisInfo) const = 0;
@@ -285,8 +286,9 @@ public:
 
     virtual bool hasInputProperty(int32_t deviceId, int property) const;
 
-    virtual status_t mapKey(int32_t deviceId, int32_t scanCode, int32_t usageCode,
+    virtual status_t mapKey(int32_t deviceId,
-            int32_t* outKeycode, uint32_t* outFlags) const;
+            int32_t scanCode, int32_t usageCode, int32_t metaState,
+            int32_t* outKeycode, int32_t *outMetaState, uint32_t* outFlags) const;
 
     virtual status_t mapAxis(int32_t deviceId, int32_t scanCode,
             AxisInfo* outAxisInfo) const;

services/inputflinger/InputReader.cpp

@@ -2193,13 +2193,7 @@ void KeyboardInputMapper::process(const RawEvent* rawEvent) {
         mCurrentHidUsage = 0;
 
         if (isKeyboardOrGamepadKey(scanCode)) {
-            int32_t keyCode;
+            processKey(rawEvent->when, rawEvent->value != 0, scanCode, usageCode);
-            uint32_t flags;
-            if (getEventHub()->mapKey(getDeviceId(), scanCode, usageCode, &keyCode, &flags)) {
-                keyCode = AKEYCODE_UNKNOWN;
-                flags = 0;
-            }
-            processKey(rawEvent->when, rawEvent->value != 0, keyCode, scanCode, flags);
         }
         break;
     }
@@ -2224,8 +2218,18 @@ bool KeyboardInputMapper::isKeyboardOrGamepadKey(int32_t scanCode) {
         || (scanCode >= BTN_JOYSTICK && scanCode < BTN_DIGI);
 }
 
-void KeyboardInputMapper::processKey(nsecs_t when, bool down, int32_t keyCode,
+void KeyboardInputMapper::processKey(nsecs_t when, bool down, int32_t scanCode,
-        int32_t scanCode, uint32_t policyFlags) {
+        int32_t usageCode) {
+    int32_t keyCode;
+    int32_t keyMetaState;
+    uint32_t policyFlags;
+
+    if (getEventHub()->mapKey(getDeviceId(), scanCode, usageCode, mMetaState,
+                              &keyCode, &keyMetaState, &policyFlags)) {
+        keyCode = AKEYCODE_UNKNOWN;
+        keyMetaState = mMetaState;
+        policyFlags = 0;
+    }
 
     if (down) {
         // Rotate key codes according to orientation if needed.
@@ -2278,6 +2282,12 @@ void KeyboardInputMapper::processKey(nsecs_t when, bool down, int32_t keyCode,
     if (metaStateChanged) {
         mMetaState = newMetaState;
         updateLedState(false);
+
+        // If global meta state changed send it along with the key.
+        // If it has not changed then we'll use what keymap gave us,
+        // since key replacement logic might temporarily reset a few
+        // meta bits for given key.
+        keyMetaState = newMetaState;
     }
 
     nsecs_t downTime = mDownTime;
@@ -2305,7 +2315,7 @@ void KeyboardInputMapper::processKey(nsecs_t when, bool down, int32_t keyCode,
 
     NotifyKeyArgs args(when, getDeviceId(), mSource, policyFlags,
             down ? AKEY_EVENT_ACTION_DOWN : AKEY_EVENT_ACTION_UP,
-            AKEY_EVENT_FLAG_FROM_SYSTEM, keyCode, scanCode, newMetaState, downTime);
+            AKEY_EVENT_FLAG_FROM_SYSTEM, keyCode, scanCode, keyMetaState, downTime);
     getListener()->notifyKey(&args);
 }
 
@@ -3568,8 +3578,10 @@ void TouchInputMapper::configureVirtualKeys() {
 
         virtualKey.scanCode = virtualKeyDefinition.scanCode;
         int32_t keyCode;
+        int32_t dummyKeyMetaState;
         uint32_t flags;
-        if (getEventHub()->mapKey(getDeviceId(), virtualKey.scanCode, 0, &keyCode, &flags)) {
+        if (getEventHub()->mapKey(getDeviceId(), virtualKey.scanCode, 0, 0,
+                                  &keyCode, &dummyKeyMetaState, &flags)) {
             ALOGW(INDENT "VirtualKey %d: could not obtain key code, ignoring",
                     virtualKey.scanCode);
             mVirtualKeys.pop(); // drop the key

services/inputflinger/InputReader.h

@@ -1175,8 +1175,7 @@ private:
 
     bool isKeyboardOrGamepadKey(int32_t scanCode);
 
-    void processKey(nsecs_t when, bool down, int32_t keyCode, int32_t scanCode,
+    void processKey(nsecs_t when, bool down, int32_t scanCode, int32_t usageCode);
-            uint32_t policyFlags);
 
     ssize_t findKeyDown(int32_t scanCode);
 

services/inputflinger/tests/InputReader_test.cpp

@@ -518,8 +518,9 @@ private:
         return false;
     }
 
-    virtual status_t mapKey(int32_t deviceId, int32_t scanCode, int32_t usageCode,
+    virtual status_t mapKey(int32_t deviceId,
-            int32_t* outKeycode, uint32_t* outFlags) const {
+            int32_t scanCode, int32_t usageCode, int32_t metaState,
+            int32_t* outKeycode, int32_t *outMetaState, uint32_t* outFlags) const {
         Device* device = getDevice(deviceId);
         if (device) {
             const KeyInfo* key = getKey(device, scanCode, usageCode);
@@ -530,6 +531,9 @@ private:
                 if (outFlags) {
                     *outFlags = key->flags;
                 }
+                if (outMetaState) {
+                    *outMetaState = metaState;
+                }
                 return OK;
             }
         }

services/sensorservice/SensorService.cpp

@@ -913,11 +913,16 @@ status_t SensorService::enable(const sp<SensorEventConnection>& connection,
     status_t err = sensor->batch(connection.get(), handle, 0, samplingPeriodNs,
                                  maxBatchReportLatencyNs);
 
-    // Call flush() before calling activate() on the sensor. Wait for a first flush complete
+    // Call flush() before calling activate() on the sensor. Wait for a first
-    // event before sending events on this connection. Ignore one-shot sensors which don't
+    // flush complete event before sending events on this connection. Ignore
-    // support flush(). Also if this sensor isn't already active, don't call flush().
+    // one-shot sensors which don't support flush(). Ignore on-change sensors
+    // to maintain the on-change logic (any on-change events except the initial
+    // one should be trigger by a change in value). Also if this sensor isn't
+    // already active, don't call flush().
     const SensorDevice& device(SensorDevice::getInstance());
-    if (err == NO_ERROR && sensor->getSensor().getReportingMode() != AREPORTING_MODE_ONE_SHOT &&
+    if (err == NO_ERROR &&
+            sensor->getSensor().getReportingMode() != AREPORTING_MODE_ONE_SHOT &&
+            sensor->getSensor().getReportingMode() != AREPORTING_MODE_ON_CHANGE &&
             rec->getNumConnections() > 1) {
         if (device.getHalDeviceVersion() >= SENSORS_DEVICE_API_VERSION_1_1) {
             connection->setFirstFlushPending(handle, true);