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Commit 938b1800 authored by nadlabak's avatar nadlabak Committed by Rashed Abdel-Tawab
Browse files

Forward port 'Swap volume buttons' (2/3) 

[mikeioannina]: Adjust for 5.0 changes
[LuK1337]: Adjust for 8.1 changes

Change-Id: I5ed4ae2b7e69e2ada067ed1d3524b3d3fad30e2e
parent e7268e54

services/inputflinger/InputReader.cpp

+23 −6
Original line number Diff line number Diff line
@@ -117,9 +117,9 @@ static inline const char* toString(bool value) { 
}



static int32_t rotateValueUsingRotationMap(int32_t value, int32_t orientation,

        const int32_t map[][4], size_t mapSize) {

        const int32_t map[][4], size_t mapSize, int32_t rotationMapOffset) {

    if (orientation != DISPLAY_ORIENTATION_0) {

        for (size_t i = 0; i < mapSize; i++) {

        for (size_t i = rotationMapOffset; i < mapSize; i++) {

            if (value == map[i][0]) {

                return map[i][orientation];

            }
@@ -131,6 +131,16 @@ static int32_t rotateValueUsingRotationMap(int32_t value, int32_t orientation, 
static const int32_t keyCodeRotationMap[][4] = {

        // key codes enumerated counter-clockwise with the original (unrotated) key first

        // no rotation,        90 degree rotation,  180 degree rotation, 270 degree rotation



        // volume keys - tablet

        { AKEYCODE_VOLUME_UP,   AKEYCODE_VOLUME_UP,   AKEYCODE_VOLUME_DOWN, AKEYCODE_VOLUME_DOWN },

        { AKEYCODE_VOLUME_DOWN, AKEYCODE_VOLUME_DOWN, AKEYCODE_VOLUME_UP,   AKEYCODE_VOLUME_UP },



        // volume keys - phone or hybrid

        { AKEYCODE_VOLUME_UP,   AKEYCODE_VOLUME_DOWN, AKEYCODE_VOLUME_DOWN, AKEYCODE_VOLUME_UP },

        { AKEYCODE_VOLUME_DOWN, AKEYCODE_VOLUME_UP,   AKEYCODE_VOLUME_UP,   AKEYCODE_VOLUME_DOWN },



        // dpad keys - common

        { AKEYCODE_DPAD_DOWN,   AKEYCODE_DPAD_RIGHT,  AKEYCODE_DPAD_UP,     AKEYCODE_DPAD_LEFT },

        { AKEYCODE_DPAD_RIGHT,  AKEYCODE_DPAD_UP,     AKEYCODE_DPAD_LEFT,   AKEYCODE_DPAD_DOWN },

        { AKEYCODE_DPAD_UP,     AKEYCODE_DPAD_LEFT,   AKEYCODE_DPAD_DOWN,   AKEYCODE_DPAD_RIGHT },
@@ -171,11 +181,11 @@ static int32_t stemKeyRotationMap[][2] = { 
static const size_t stemKeyRotationMapSize =

        sizeof(stemKeyRotationMap) / sizeof(stemKeyRotationMap[0]);



static int32_t rotateKeyCode(int32_t keyCode, int32_t orientation) {

static int32_t rotateKeyCode(int32_t keyCode, int32_t orientation, int32_t rotationMapOffset) {

    keyCode = rotateStemKey(keyCode, orientation,

            stemKeyRotationMap, stemKeyRotationMapSize);

    return rotateValueUsingRotationMap(keyCode, orientation,

            keyCodeRotationMap, keyCodeRotationMapSize);

            keyCodeRotationMap, keyCodeRotationMapSize, rotationMapOffset);

}



static void rotateDelta(int32_t orientation, float* deltaX, float* deltaY) {
@@ -2284,6 +2294,13 @@ void KeyboardInputMapper::configure(nsecs_t when, 
            mOrientation = DISPLAY_ORIENTATION_0;

        }

    }



    if (!changes || (changes & InputReaderConfiguration::CHANGE_VOLUME_KEYS_ROTATION)) {

        // mode 0 (disabled) ~ offset 4

        // mode 1 (phone) ~ offset 2

        // mode 2 (tablet) ~ offset 0

        mRotationMapOffset = 4 - 2 * config->volumeKeysRotationMode;

    }

}



static void mapStemKey(int32_t keyCode, const PropertyMap& config, char const *property) {
@@ -2299,7 +2316,7 @@ static void mapStemKey(int32_t keyCode, const PropertyMap& config, char const *p 
}



void KeyboardInputMapper::configureParameters() {

    mParameters.orientationAware = false;

    mParameters.orientationAware = !getDevice()->isExternal();

    const PropertyMap& config = getDevice()->getConfiguration();

    config.tryGetProperty(String8("keyboard.orientationAware"),

            mParameters.orientationAware);
@@ -2418,7 +2435,7 @@ void KeyboardInputMapper::processKey(nsecs_t when, bool down, int32_t scanCode, 
    if (down) {

        // Rotate key codes according to orientation if needed.

        if (mParameters.orientationAware && mParameters.hasAssociatedDisplay) {

            keyCode = rotateKeyCode(keyCode, mOrientation);

            keyCode = rotateKeyCode(keyCode, mOrientation, mRotationMapOffset);

        }



        // Add key down.

services/inputflinger/InputReader.h

+11 −2
Original line number Diff line number Diff line
@@ -90,6 +90,9 @@ struct InputReaderConfiguration { 
        // The set of disabled input devices (disabledDevices) has changed.

        CHANGE_ENABLED_STATE = 1 << 9,



        // Volume keys rotation option changed.

        CHANGE_VOLUME_KEYS_ROTATION = 1 << 10,



        // All devices must be reopened.

        CHANGE_MUST_REOPEN = 1 << 31,

    };
@@ -183,6 +186,10 @@ struct InputReaderConfiguration { 
    // The set of currently disabled input devices.

    SortedVector<int32_t> disabledDevices;



    // Remap volume keys according to display rotation

    // 0 - disabled, 1 - phone or hybrid rotation mode, 2 - tablet rotation mode

    int volumeKeysRotationMode;



    InputReaderConfiguration() :

            virtualKeyQuietTime(0),

            pointerVelocityControlParameters(1.0f, 500.0f, 3000.0f, 3.0f),
@@ -199,7 +206,8 @@ struct InputReaderConfiguration { 
            pointerGestureSwipeMaxWidthRatio(0.25f),

            pointerGestureMovementSpeedRatio(0.8f),

            pointerGestureZoomSpeedRatio(0.3f),

            showTouches(false) { }

            showTouches(false),

            volumeKeysRotationMode(0) { }



    bool getDisplayViewport(ViewportType viewportType, const String8* displayId,

            DisplayViewport* outViewport) const;
@@ -1101,7 +1109,8 @@ private: 
    uint32_t mSource;

    int32_t mKeyboardType;



    int32_t mOrientation; // orientation for dpad keys

    int32_t mRotationMapOffset; // determines if and how volume keys rotate

    int32_t mOrientation; // orientation for dpad and volume keys



    Vector<KeyDown> mKeyDowns; // keys that are down

    int32_t mMetaState;