mirror of
https://gitlab.futo.org/keyboard/latinime.git
synced 2024-09-28 14:54:30 +01:00
Use ArrayList to implement PointerTrackerQueue
Change-Id: Ie386e6c7869df4df940e09fccffc5cd661134557
This commit is contained in:
Tadashi G. Takaoka
parent
0cc425bd9c
commit
7ae1fd02d4
@ -34,7 +34,7 @@ import com.android.inputmethod.research.ResearchLogger;
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import java.util.ArrayList;
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public class PointerTracker implements PointerTrackerQueue.ElementActions {
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public class PointerTracker implements PointerTrackerQueue.Element {
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private static final String TAG = PointerTracker.class.getSimpleName();
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private static final boolean DEBUG_EVENT = false;
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private static final boolean DEBUG_MOVE_EVENT = false;
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@ -18,85 +18,146 @@ package com.android.inputmethod.keyboard.internal;
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import android.util.Log;
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import java.util.Iterator;
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import java.util.LinkedList;
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import java.util.ArrayList;
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public class PointerTrackerQueue {
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private static final String TAG = PointerTrackerQueue.class.getSimpleName();
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private static final boolean DEBUG = false;
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public interface ElementActions {
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public interface Element {
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public boolean isModifier();
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public boolean isInSlidingKeyInput();
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public void onPhantomUpEvent(long eventTime);
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}
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// TODO: Use ring buffer instead of {@link LinkedList}.
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private final LinkedList<ElementActions> mQueue = new LinkedList<ElementActions>();
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private static final int INITIAL_CAPACITY = 10;
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private final ArrayList<Element> mExpandableArrayOfActivePointers =
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new ArrayList<Element>(INITIAL_CAPACITY);
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private int mArraySize = 0;
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public int size() {
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return mQueue.size();
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public synchronized int size() {
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return mArraySize;
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}
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public synchronized void add(ElementActions tracker) {
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mQueue.add(tracker);
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public synchronized void add(final Element pointer) {
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final ArrayList<Element> expandableArray = mExpandableArrayOfActivePointers;
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final int arraySize = mArraySize;
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if (arraySize < expandableArray.size()) {
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expandableArray.set(arraySize, pointer);
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} else {
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expandableArray.add(pointer);
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}
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mArraySize = arraySize + 1;
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}
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public synchronized void remove(ElementActions tracker) {
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mQueue.remove(tracker);
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public synchronized void remove(final Element pointer) {
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final ArrayList<Element> expandableArray = mExpandableArrayOfActivePointers;
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final int arraySize = mArraySize;
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int newSize = 0;
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for (int index = 0; index < arraySize; index++) {
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final Element element = expandableArray.get(index);
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if (element == pointer) {
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if (newSize != index) {
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Log.w(TAG, "Found duplicated element in remove: " + pointer);
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}
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continue; // Remove this element from the expandableArray.
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}
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if (newSize != index) {
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// Shift this element toward the beginning of the expandableArray.
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expandableArray.set(newSize, element);
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}
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newSize++;
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}
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mArraySize = newSize;
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}
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public synchronized void releaseAllPointersOlderThan(ElementActions tracker,
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long eventTime) {
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public synchronized void releaseAllPointersOlderThan(final Element pointer,
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final long eventTime) {
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if (DEBUG) {
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Log.d(TAG, "releaseAllPoniterOlderThan: " + tracker + " " + this);
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Log.d(TAG, "releaseAllPoniterOlderThan: " + pointer + " " + this);
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}
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if (!mQueue.contains(tracker)) {
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return;
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}
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final Iterator<ElementActions> it = mQueue.iterator();
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while (it.hasNext()) {
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final ElementActions t = it.next();
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if (t == tracker) {
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break;
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final ArrayList<Element> expandableArray = mExpandableArrayOfActivePointers;
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final int arraySize = mArraySize;
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int newSize, index;
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for (newSize = index = 0; index < arraySize; index++) {
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final Element element = expandableArray.get(index);
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if (element == pointer) {
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break; // Stop releasing elements.
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}
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if (!t.isModifier()) {
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t.onPhantomUpEvent(eventTime);
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it.remove();
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if (!element.isModifier()) {
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element.onPhantomUpEvent(eventTime);
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continue; // Remove this element from the expandableArray.
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}
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if (newSize != index) {
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// Shift this element toward the beginning of the expandableArray.
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expandableArray.set(newSize, element);
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}
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newSize++;
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}
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// Shift rest of the expandableArray.
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int count = 0;
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for (; index < arraySize; index++) {
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final Element element = expandableArray.get(index);
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if (element == pointer) {
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if (count > 0) {
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Log.w(TAG, "Found duplicated element in releaseAllPointersOlderThan: "
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+ pointer);
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}
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count++;
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}
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if (newSize != index) {
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expandableArray.set(newSize, expandableArray.get(index));
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newSize++;
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}
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}
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mArraySize = newSize;
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}
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public void releaseAllPointers(long eventTime) {
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public void releaseAllPointers(final long eventTime) {
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releaseAllPointersExcept(null, eventTime);
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}
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public synchronized void releaseAllPointersExcept(ElementActions tracker, long eventTime) {
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public synchronized void releaseAllPointersExcept(final Element pointer,
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final long eventTime) {
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if (DEBUG) {
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if (tracker == null) {
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if (pointer == null) {
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Log.d(TAG, "releaseAllPoniters: " + this);
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} else {
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Log.d(TAG, "releaseAllPoniterExcept: " + tracker + " " + this);
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Log.d(TAG, "releaseAllPoniterExcept: " + pointer + " " + this);
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}
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}
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final Iterator<ElementActions> it = mQueue.iterator();
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while (it.hasNext()) {
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final ElementActions t = it.next();
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if (t != tracker) {
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t.onPhantomUpEvent(eventTime);
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it.remove();
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final ArrayList<Element> expandableArray = mExpandableArrayOfActivePointers;
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final int arraySize = mArraySize;
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int newSize = 0, count = 0;
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for (int index = 0; index < arraySize; index++) {
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final Element element = expandableArray.get(index);
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if (element == pointer) {
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if (count > 0) {
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Log.w(TAG, "Found duplicated element in releaseAllPointersExcept: " + pointer);
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}
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count++;
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} else {
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element.onPhantomUpEvent(eventTime);
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continue; // Remove this element from the expandableArray.
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}
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if (newSize != index) {
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// Shift this element toward the beginning of the expandableArray.
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expandableArray.set(newSize, element);
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}
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newSize++;
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}
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mArraySize = newSize;
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}
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public synchronized boolean hasModifierKeyOlderThan(ElementActions tracker) {
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final Iterator<ElementActions> it = mQueue.iterator();
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while (it.hasNext()) {
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final ElementActions t = it.next();
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if (t == tracker) {
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break;
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public synchronized boolean hasModifierKeyOlderThan(final Element pointer) {
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final ArrayList<Element> expandableArray = mExpandableArrayOfActivePointers;
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final int arraySize = mArraySize;
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for (int index = 0; index < arraySize; index++) {
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final Element element = expandableArray.get(index);
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if (element == pointer) {
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return false; // Stop searching modifier key.
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}
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if (t.isModifier()) {
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if (element.isModifier()) {
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return true;
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}
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}
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@ -104,8 +165,11 @@ public class PointerTrackerQueue {
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}
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public synchronized boolean isAnyInSlidingKeyInput() {
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for (final ElementActions tracker : mQueue) {
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if (tracker.isInSlidingKeyInput()) {
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final ArrayList<Element> expandableArray = mExpandableArrayOfActivePointers;
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final int arraySize = mArraySize;
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for (int index = 0; index < arraySize; index++) {
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final Element element = expandableArray.get(index);
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if (element.isInSlidingKeyInput()) {
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return true;
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}
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}
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@ -113,12 +177,15 @@ public class PointerTrackerQueue {
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}
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@Override
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public String toString() {
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public synchronized String toString() {
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final StringBuilder sb = new StringBuilder();
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for (final ElementActions tracker : mQueue) {
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final ArrayList<Element> expandableArray = mExpandableArrayOfActivePointers;
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final int arraySize = mArraySize;
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for (int index = 0; index < arraySize; index++) {
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final Element element = expandableArray.get(index);
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if (sb.length() > 0)
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sb.append(" ");
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sb.append(tracker.toString());
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sb.append(element.toString());
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}
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return "[" + sb.toString() + "]";
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}
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@ -19,7 +19,7 @@ package com.android.inputmethod.keyboard.internal;
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import android.test.AndroidTestCase;
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public class PointerTrackerQueueTests extends AndroidTestCase {
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public static class Element implements PointerTrackerQueue.ElementActions {
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public static class Element implements PointerTrackerQueue.Element {
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public static int sPhantomUpCount;
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public static final long NOT_HAPPENED = -1;
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