From 35062f8ed32ea4a868be077fdae37409a700e759 Mon Sep 17 00:00:00 2001 From: Hyunyoung Song Date: Fri, 21 Jun 2019 23:24:02 -0700 Subject: Enable FLAG_SLIPPERY window flag when swipe down on workspace Bug: 131356741 Test: manual Change-Id: Ibe0e3a03e7406d5d882a1c63265d6e4e0253983e --- .../launcher3/touch/TouchEventTranslator.java | 283 --------------------- 1 file changed, 283 deletions(-) delete mode 100644 src/com/android/launcher3/touch/TouchEventTranslator.java (limited to 'src') diff --git a/src/com/android/launcher3/touch/TouchEventTranslator.java b/src/com/android/launcher3/touch/TouchEventTranslator.java deleted file mode 100644 index 3fcda9084..000000000 --- a/src/com/android/launcher3/touch/TouchEventTranslator.java +++ /dev/null @@ -1,283 +0,0 @@ -/* - * 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. - */ -package com.android.launcher3.touch; - -import android.graphics.PointF; -import android.util.Log; -import android.util.Pair; -import android.util.SparseArray; -import android.view.MotionEvent; -import android.view.MotionEvent.PointerCoords; -import android.view.MotionEvent.PointerProperties; - -import java.util.function.Consumer; - -/** - * To minimize the size of the MotionEvent, historic events are not copied and passed via the - * listener. - */ -public class TouchEventTranslator { - - private static final String TAG = "TouchEventTranslator"; - private static final boolean DEBUG = false; - - private class DownState { - long timeStamp; - float downX; - float downY; - public DownState(long timeStamp, float downX, float downY) { - this.timeStamp = timeStamp; - this.downX = downX; - this.downY = downY; - } - }; - private final DownState ZERO = new DownState(0, 0f, 0f); - - private final Consumer mListener; - - private final SparseArray mDownEvents; - private final SparseArray mFingers; - - private final SparseArray> mCache; - - public TouchEventTranslator(Consumer listener) { - mDownEvents = new SparseArray<>(); - mFingers = new SparseArray<>(); - mCache = new SparseArray<>(); - - mListener = listener; - } - - public void reset() { - mDownEvents.clear(); - mFingers.clear(); - } - - public float getDownX() { - return mDownEvents.get(0).downX; - } - - public float getDownY() { - return mDownEvents.get(0).downY; - } - - public void setDownParameters(int idx, MotionEvent e) { - DownState ev = new DownState(e.getEventTime(), e.getX(idx), e.getY(idx)); - mDownEvents.append(idx, ev); - } - - public void dispatchDownEvents(MotionEvent ev) { - for(int i = 0; i < ev.getPointerCount() && i < mDownEvents.size(); i++) { - int pid = ev.getPointerId(i); - put(pid, i, ev.getX(i), 0, mDownEvents.get(i).timeStamp, ev); - } - } - - public void processMotionEvent(MotionEvent ev) { - if (DEBUG) { - printSamples(TAG + " processMotionEvent", ev); - } - int index = ev.getActionIndex(); - float x = ev.getX(index); - float y = ev.getY(index) - mDownEvents.get(index, ZERO).downY; - switch (ev.getActionMasked()) { - case MotionEvent.ACTION_POINTER_DOWN: - int pid = ev.getPointerId(index); - if(mFingers.get(pid, null) != null) { - for(int i=0; i < ev.getPointerCount(); i++) { - pid = ev.getPointerId(i); - position(pid, x, y); - } - generateEvent(ev.getAction(), ev); - } else { - put(pid, index, x, y, ev); - } - break; - case MotionEvent.ACTION_MOVE: - for(int i=0; i < ev.getPointerCount(); i++) { - pid = ev.getPointerId(i); - position(pid, x, y); - } - generateEvent(ev.getAction(), ev); - break; - case MotionEvent.ACTION_POINTER_UP: - case MotionEvent.ACTION_UP: - pid = ev.getPointerId(index); - lift(pid, index, x, y, ev); - break; - case MotionEvent.ACTION_CANCEL: - cancel(ev); - break; - default: - Log.v(TAG, "Didn't process "); - printSamples(TAG, ev); - - } - } - - private TouchEventTranslator put(int id, int index, float x, float y, MotionEvent ev) { - return put(id, index, x, y, ev.getEventTime(), ev); - } - - private TouchEventTranslator put(int id, int index, float x, float y, long ms, MotionEvent ev) { - checkFingerExistence(id, false); - boolean isInitialDown = (mFingers.size() == 0); - - mFingers.put(id, new PointF(x, y)); - int n = mFingers.size(); - - if (mCache.get(n) == null) { - PointerProperties[] properties = new PointerProperties[n]; - PointerCoords[] coords = new PointerCoords[n]; - for (int i = 0; i < n; i++) { - properties[i] = new PointerProperties(); - coords[i] = new PointerCoords(); - } - mCache.put(n, new Pair(properties, coords)); - } - - int action; - if (isInitialDown) { - action = MotionEvent.ACTION_DOWN; - } else { - action = MotionEvent.ACTION_POINTER_DOWN; - // Set the id of the changed pointer. - action |= index << MotionEvent.ACTION_POINTER_INDEX_SHIFT; - } - generateEvent(action, ms, ev); - return this; - } - - public TouchEventTranslator position(int id, float x, float y) { - checkFingerExistence(id, true); - mFingers.get(id).set(x, y); - return this; - } - - private TouchEventTranslator lift(int id, int index, MotionEvent ev) { - checkFingerExistence(id, true); - boolean isFinalUp = (mFingers.size() == 1); - int action; - if (isFinalUp) { - action = MotionEvent.ACTION_UP; - } else { - action = MotionEvent.ACTION_POINTER_UP; - // Set the id of the changed pointer. - action |= index << MotionEvent.ACTION_POINTER_INDEX_SHIFT; - } - generateEvent(action, ev); - mFingers.remove(id); - return this; - } - - private TouchEventTranslator lift(int id, int index, float x, float y, MotionEvent ev) { - checkFingerExistence(id, true); - mFingers.get(id).set(x, y); - return lift(id, index, ev); - } - - public TouchEventTranslator cancel(MotionEvent ev) { - generateEvent(MotionEvent.ACTION_CANCEL, ev); - mFingers.clear(); - return this; - } - - private void checkFingerExistence(int id, boolean shouldExist) { - if (shouldExist != (mFingers.get(id, null) != null)) { - throw new IllegalArgumentException( - shouldExist ? "Finger does not exist" : "Finger already exists"); - } - } - - - /** - * Used to debug MotionEvents being sent/received. - */ - public void printSamples(String msg, MotionEvent ev) { - System.out.printf("%s %s", msg, MotionEvent.actionToString(ev.getActionMasked())); - final int pointerCount = ev.getPointerCount(); - System.out.printf("#%d/%d", ev.getActionIndex(), pointerCount); - System.out.printf(" t=%d:", ev.getEventTime()); - for (int p = 0; p < pointerCount; p++) { - System.out.printf(" id=%d: (%f,%f)", - ev.getPointerId(p), ev.getX(p), ev.getY(p)); - } - System.out.println(); - } - - private void generateEvent(int action, MotionEvent ev) { - generateEvent(action, ev.getEventTime(), ev); - } - - private void generateEvent(int action, long ms, MotionEvent ev) { - Pair state = getFingerState(); - MotionEvent event = MotionEvent.obtain( - mDownEvents.get(0).timeStamp, - ms, - action, - state.first.length, - state.first, - state.second, - ev.getMetaState(), - ev.getButtonState() /* buttonState */, - ev.getXPrecision() /* xPrecision */, - ev.getYPrecision() /* yPrecision */, - ev.getDeviceId(), - ev.getEdgeFlags(), - ev.getSource(), - ev.getFlags() /* flags */); - if (DEBUG) { - printSamples(TAG + " generateEvent", event); - } - if (event.getPointerId(event.getActionIndex()) < 0) { - printSamples(TAG + "generateEvent", event); - throw new IllegalStateException(event.getActionIndex() + " not found in MotionEvent"); - } - mListener.accept(event); - event.recycle(); - } - - /** - * Returns the description of the fingers' state expected by MotionEvent. - */ - private Pair getFingerState() { - int nFingers = mFingers.size(); - - Pair result = mCache.get(nFingers); - PointerProperties[] properties = result.first; - PointerCoords[] coordinates = result.second; - - int index = 0; - for (int i = 0; i < mFingers.size(); i++) { - int id = mFingers.keyAt(i); - PointF location = mFingers.get(id); - - PointerProperties property = properties[i]; - property.id = id; - property.toolType = MotionEvent.TOOL_TYPE_FINGER; - properties[index] = property; - - PointerCoords coordinate = coordinates[i]; - coordinate.x = location.x; - coordinate.y = location.y; - coordinate.pressure = 1.0f; - coordinates[index] = coordinate; - - index++; - } - return mCache.get(nFingers); - } -} -- cgit v1.2.3