Introduce multiple PointerTracker (a521b31d) · Commits · e / os / android_packages_inputmethods_LatinIME

java/src/com/android/inputmethod/latin/LatinKeyboardBaseView.java

+54 −26

Original line number	Diff line number	Diff line
		@@ -39,11 +39,11 @@ import android.view.Gravity;
		import android.view.LayoutInflater;
		import android.view.MotionEvent;
		import android.view.View;
		import android.view.ViewConfiguration;
		import android.view.ViewGroup.LayoutParams;
		import android.widget.PopupWindow;
		import android.widget.TextView;

		import java.util.ArrayList;
		import java.util.HashMap;
		import java.util.List;
		import java.util.Map;
		@@ -199,7 +199,7 @@ public class LatinKeyboardBaseView extends View implements View.OnClickListener,
		/** Listener for {@link OnKeyboardActionListener}. */
		private OnKeyboardActionListener mKeyboardActionListener;

		private final PointerTracker mPointerTracker;
		private final ArrayList<PointerTracker> mPointerTrackers = new ArrayList<PointerTracker>();
		private final float mDebounceHysteresis;

		private final ProximityKeyDetector mProximityKeyDetector = new ProximityKeyDetector();
		@@ -473,13 +473,14 @@ public class LatinKeyboardBaseView extends View implements View.OnClickListener,
		final boolean ignoreMultitouch = true;
		mGestureDetector = new GestureDetector(getContext(), listener, null, ignoreMultitouch);
		mGestureDetector.setIsLongpressEnabled(false);

		mPointerTracker = new PointerTracker(mHandler, mProximityKeyDetector, this);
		}

		public void setOnKeyboardActionListener(OnKeyboardActionListener listener) {
		mKeyboardActionListener = listener;
		mPointerTracker.setOnKeyboardActionListener(listener);
		for (PointerTracker tracker : mPointerTrackers) {
		if (tracker != null)
		tracker.setOnKeyboardActionListener(listener);
		}
		}

		/**
		@@ -509,7 +510,10 @@ public class LatinKeyboardBaseView extends View implements View.OnClickListener,
		List<Key> keys = mKeyboard.getKeys();
		mKeys = keys.toArray(new Key[keys.size()]);
		mProximityKeyDetector.setKeyboard(keyboard, mKeys);
		mPointerTracker.setKeyboard(mKeys, mDebounceHysteresis);
		for (PointerTracker tracker : mPointerTrackers) {
		if (tracker != null)
		tracker.setKeyboard(mKeys, mDebounceHysteresis);
		}
		requestLayout();
		// Hint to reallocate the buffer if the size changed
		mKeyboardChanged = true;
		@@ -779,7 +783,8 @@ public class LatinKeyboardBaseView extends View implements View.OnClickListener,

		if (DEBUG) {
		if (mShowTouchPoints) {
		PointerTracker tracker = mPointerTracker;
		for (PointerTracker tracker : mPointerTrackers) {
		if (tracker == null) continue;
		int startX = tracker.getStartX();
		int startY = tracker.getStartY();
		int lastX = tracker.getLastX();
		@@ -794,6 +799,7 @@ public class LatinKeyboardBaseView extends View implements View.OnClickListener,
		canvas.drawCircle((startX + lastX) / 2, (startY + lastY) / 2, 2, paint);
		}
		}
		}

		mDrawPending = false;
		mDirtyRect.setEmpty();
		@@ -801,8 +807,9 @@ public class LatinKeyboardBaseView extends View implements View.OnClickListener,

		// TODO: clean up this method.
		private void dismissKeyPreview() {
		mPointerTracker.updateKey(NOT_A_KEY);
		showPreview(NOT_A_KEY, mPointerTracker);
		for (PointerTracker tracker : mPointerTrackers)
		tracker.updateKey(NOT_A_KEY);
		showPreview(NOT_A_KEY, null);
		}

		public void showPreview(int keyIndex, PointerTracker tracker) {
		@@ -813,7 +820,7 @@ public class LatinKeyboardBaseView extends View implements View.OnClickListener,
		if (keyIndex == NOT_A_KEY) {
		mHandler.cancelPopupPreview();
		mHandler.dismissPreview(DELAY_AFTER_PREVIEW);
		} else {
		} else if (tracker != null) {
		mHandler.popupPreview(DELAY_BEFORE_PREVIEW, keyIndex, tracker);
		}
		}
		@@ -1042,6 +1049,25 @@ public class LatinKeyboardBaseView extends View implements View.OnClickListener,
		return (int)y + mVerticalCorrection - getPaddingTop();
		}

		private PointerTracker getPointerTracker(final int id) {
		final ArrayList<PointerTracker> pointers = mPointerTrackers;
		final Key[] keys = mKeys;
		final OnKeyboardActionListener listener = mKeyboardActionListener;

		// Create pointer trackers until we can get 'id+1'-th tracker, if needed.
		for (int i = pointers.size(); i <= id; i++) {
		final PointerTracker tracker =
		new PointerTracker(mHandler, mProximityKeyDetector, this);
		if (keys != null)
		tracker.setKeyboard(keys, mDebounceHysteresis);
		if (listener != null)
		tracker.setOnKeyboardActionListener(listener);
		pointers.add(tracker);
		}

		return pointers.get(id);
		}

		@Override
		public boolean onTouchEvent(MotionEvent me) {
		// Convert multi-pointer up/down events to single up/down events to
		@@ -1082,25 +1108,27 @@ public class LatinKeyboardBaseView extends View implements View.OnClickListener,
		// Up event will pass through.
		}

		// TODO: Should remove this implicit reference to id=0 pointer tracker in the future.
		PointerTracker tracker = getPointerTracker(0);
		int touchX = getTouchX(me.getX());
		int touchY = getTouchY(me.getY());
		if (pointerCount != mOldPointerCount) {
		if (pointerCount == 1) {
		// Send a down event for the latest pointer
		mPointerTracker.onDownEvent(touchX, touchY, eventTime);
		tracker.onDownEvent(touchX, touchY, eventTime);
		// If it's an up action, then deliver the up as well.
		if (action == MotionEvent.ACTION_UP) {
		mPointerTracker.onUpEvent(touchX, touchY, eventTime);
		tracker.onUpEvent(touchX, touchY, eventTime);
		}
		} else {
		// Send an up event for the last pointer
		mPointerTracker.onUpEvent(mOldPointerX, mOldPointerY, eventTime);
		tracker.onUpEvent(mOldPointerX, mOldPointerY, eventTime);
		}
		mOldPointerCount = pointerCount;
		return true;
		} else {
		if (pointerCount == 1) {
		mPointerTracker.onModifiedTouchEvent(action, touchX, touchY, eventTime);
		tracker.onModifiedTouchEvent(action, touchX, touchY, eventTime);
		mOldPointerX = touchX;
		mOldPointerY = touchY;
		return true;

java/src/com/android/inputmethod/latin/PointerTracker.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -76,7 +76,7 @@ public class PointerTracker {
		private final StringBuilder mPreviewLabel = new StringBuilder(1);

		// pressed key
		private int mPreviousKey;
		private int mPreviousKey = NOT_A_KEY;

		public PointerTracker(UIHandler handler, ProximityKeyDetector keyDetector, UIProxy proxy) {
		if (proxy == null \|\| handler == null \|\| keyDetector == null)