1 files changed, 0 insertions, 110 deletions
diff --git a/widget/gonk/libui/VelocityControl.cpp b/widget/gonk/libui/VelocityControl.cpp
deleted file mode 100644
index 31365a220..000000000
--- a/widget/gonk/libui/VelocityControl.cpp
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- * Copyright (C) 2012 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.
- */
-
-#define LOG_TAG "VelocityControl"
-//#define LOG_NDEBUG 0
-
-// Log debug messages about acceleration.
-#define DEBUG_ACCELERATION 0
-
-#include <math.h>
-#include <limits.h>
-
-#include "VelocityControl.h"
-#include <utils/BitSet.h>
-#include <utils/Timers.h>
-
-namespace android {
-
-// --- VelocityControl ---
-
-const nsecs_t VelocityControl::STOP_TIME;
-
-VelocityControl::VelocityControl() {
-    reset();
-}
-
-void VelocityControl::setParameters(const VelocityControlParameters& parameters) {
-    mParameters = parameters;
-    reset();
-}
-
-void VelocityControl::reset() {
-    mLastMovementTime = LLONG_MIN;
-    mRawPosition.x = 0;
-    mRawPosition.y = 0;
-    mVelocityTracker.clear();
-}
-
-void VelocityControl::move(nsecs_t eventTime, float* deltaX, float* deltaY) {
-    if ((deltaX && *deltaX) || (deltaY && *deltaY)) {
-        if (eventTime >= mLastMovementTime + STOP_TIME) {
-#if DEBUG_ACCELERATION
-            ALOGD("VelocityControl: stopped, last movement was %0.3fms ago",
-                    (eventTime - mLastMovementTime) * 0.000001f);
-#endif
-            reset();
-        }
-
-        mLastMovementTime = eventTime;
-        if (deltaX) {
-            mRawPosition.x += *deltaX;
-        }
-        if (deltaY) {
-            mRawPosition.y += *deltaY;
-        }
-        mVelocityTracker.addMovement(eventTime, BitSet32(BitSet32::valueForBit(0)), &mRawPosition);
-
-        float vx, vy;
-        float scale = mParameters.scale;
-        if (mVelocityTracker.getVelocity(0, &vx, &vy)) {
-            float speed = hypotf(vx, vy) * scale;
-            if (speed >= mParameters.highThreshold) {
-                // Apply full acceleration above the high speed threshold.
-                scale *= mParameters.acceleration;
-            } else if (speed > mParameters.lowThreshold) {
-                // Linearly interpolate the acceleration to apply between the low and high
-                // speed thresholds.
-                scale *= 1 + (speed - mParameters.lowThreshold)
-                        / (mParameters.highThreshold - mParameters.lowThreshold)
-                        * (mParameters.acceleration - 1);
-            }
-
-#if DEBUG_ACCELERATION
-            ALOGD("VelocityControl(%0.3f, %0.3f, %0.3f, %0.3f): "
-                    "vx=%0.3f, vy=%0.3f, speed=%0.3f, accel=%0.3f",
-                    mParameters.scale, mParameters.lowThreshold, mParameters.highThreshold,
-                    mParameters.acceleration,
-                    vx, vy, speed, scale / mParameters.scale);
-#endif
-        } else {
-#if DEBUG_ACCELERATION
-            ALOGD("VelocityControl(%0.3f, %0.3f, %0.3f, %0.3f): unknown velocity",
-                    mParameters.scale, mParameters.lowThreshold, mParameters.highThreshold,
-                    mParameters.acceleration);
-#endif
-        }
-
-        if (deltaX) {
-            *deltaX *= scale;
-        }
-        if (deltaY) {
-            *deltaY *= scale;
-        }
-    }
-}
-
-} // namespace android