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inputflinger: Add support for scaling and true value reporting

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am: ee03865fe5

* commit 'ee03865fe5fc6ffe9deda0e0870a18206027cfaf':
  inputflinger: Add support for scaling and true value reporting
This commit is contained in:
Prashant Malani 2016-01-13 05:33:57 +00:00 committed by android-build-merger
commit a777e8b70f
2 changed files with 14 additions and 2 deletions
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15
services/inputflinger/InputReader.cpp
View File

@ -2751,7 +2751,18 @@ void RotaryEncoderInputMapper::populateDeviceInfo(InputDeviceInfo* info) {
InputMapper::populateDeviceInfo(info);
if (mRotaryEncoderScrollAccumulator.haveRelativeVWheel()) {
info->addMotionRange(AMOTION_EVENT_AXIS_SCROLL, mSource, -1.0f, 1.0f, 0.0f, 0.0f, 0.0f);
float res = 0.0f;
if (!mDevice->getConfiguration().tryGetProperty(String8("device.res"), res)) {
ALOGW("Rotary Encoder device configuration file didn't specify resolution!\n");
}
if (!mDevice->getConfiguration().tryGetProperty(String8("device.scalingFactor"),
mScalingFactor)) {
ALOGW("Rotary Encoder device configuration file didn't specify scaling factor,"
"default to 1.0!\n");
mScalingFactor = 1.0f;
}
info->addMotionRange(AMOTION_EVENT_AXIS_SCROLL, mSource, -1.0f, 1.0f, 0.0f, 0.0f,
res * mScalingFactor);
}
}
@ -2807,7 +2818,7 @@ void RotaryEncoderInputMapper::sync(nsecs_t when) {
// Send motion event.
if (scrolled) {
int32_t metaState = mContext->getGlobalMetaState();
pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_SCROLL, scroll);
pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_SCROLL, scroll * mScalingFactor);
NotifyMotionArgs scrollArgs(when, getDeviceId(), mSource, policyFlags,
AMOTION_EVENT_ACTION_SCROLL, 0, 0, metaState, 0,

1
services/inputflinger/InputReader.h
View File

@ -1247,6 +1247,7 @@ private:
CursorScrollAccumulator mRotaryEncoderScrollAccumulator;
int32_t mSource;
float mScalingFactor;
void sync(nsecs_t when);
};