Disptach hover events when sliding suggestion mode (da232a70) · Commits · e / os / android_packages_inputmethods_LatinIME

java/src/com/android/inputmethod/latin/suggestions/SuggestionStripView.java

+44 −7

Original line number	Diff line number	Diff line
		@@ -38,6 +38,7 @@ import android.widget.ImageButton;
		import android.widget.RelativeLayout;
		import android.widget.TextView;

		import com.android.inputmethod.accessibility.AccessibilityUtils;
		import com.android.inputmethod.keyboard.Keyboard;
		import com.android.inputmethod.keyboard.MainKeyboardView;
		import com.android.inputmethod.keyboard.MoreKeysPanel;
		@@ -368,13 +369,15 @@ public final class SuggestionStripView extends RelativeLayout implements OnClick
		return true;
		}

		// Working variables for {@link #onLongClick(View)} and
		// {@link onInterceptTouchEvent(MotionEvent)}.
		// Working variables for {@link onInterceptTouchEvent(MotionEvent)} and
		// {@link onTouchEvent(MotionEvent)}.
		private int mLastX;
		private int mLastY;
		private int mOriginX;
		private int mOriginY;
		private final int mMoreSuggestionsModalTolerance;
		private boolean mNeedsToTransformTouchEventToHoverEvent;
		private boolean mIsDispatchingHoverEventToMoreSuggestions;
		private final GestureDetector mMoreSuggestionsSlidingDetector;
		private final GestureDetector.OnGestureListener mMoreSuggestionsSlidingListener =
		new GestureDetector.SimpleOnGestureListener() {
		@@ -402,9 +405,12 @@ public final class SuggestionStripView extends RelativeLayout implements OnClick
		final int y = (int)me.getY(index);
		if (Math.abs(x - mOriginX) >= mMoreSuggestionsModalTolerance
		\|\| mOriginY - y >= mMoreSuggestionsModalTolerance) {
		// Decided to be in the sliding input mode only when the touch point has been moved
		// Decided to be in the sliding suggestion mode only when the touch point has been moved
		// upward. Further {@link MotionEvent}s will be delivered to
		// {@link #onTouchEvent(MotionEvent)}.
		mNeedsToTransformTouchEventToHoverEvent = AccessibilityUtils.getInstance()
		.isTouchExplorationEnabled();
		mIsDispatchingHoverEventToMoreSuggestions = false;
		return true;
		}

		@@ -426,12 +432,43 @@ public final class SuggestionStripView extends RelativeLayout implements OnClick
		// In the sliding input mode. {@link MotionEvent} should be forwarded to
		// {@link MoreSuggestionsView}.
		final int index = me.getActionIndex();
		final int x = (int)me.getX(index);
		final int y = (int)me.getY(index);
		me.setLocation(mMoreSuggestionsView.translateX(x), mMoreSuggestionsView.translateY(y));
		final int x = mMoreSuggestionsView.translateX((int)me.getX(index));
		final int y = mMoreSuggestionsView.translateY((int)me.getY(index));
		me.setLocation(x, y);
		if (!mNeedsToTransformTouchEventToHoverEvent) {
		mMoreSuggestionsView.onTouchEvent(me);
		return true;
		}
		// In sliding suggestion mode with accessibility mode on, a touch event should be
		// transformed to a hover event.
		final int width = mMoreSuggestionsView.getWidth();
		final int height = mMoreSuggestionsView.getHeight();
		final boolean onMoreSuggestions = (x >= 0 && x < width && y >= 0 && y < height);
		if (!onMoreSuggestions && !mIsDispatchingHoverEventToMoreSuggestions) {
		// Just drop this touch event because dispatching hover event isn't started yet and
		// the touch event isn't on {@link MoreSuggestionsView}.
		return true;
		}
		final int hoverAction;
		if (onMoreSuggestions && !mIsDispatchingHoverEventToMoreSuggestions) {
		// Transform this touch event to a hover enter event and start dispatching a hover
		// event to {@link MoreSuggestionsView}.
		mIsDispatchingHoverEventToMoreSuggestions = true;
		hoverAction = MotionEvent.ACTION_HOVER_ENTER;
		} else if (me.getActionMasked() == MotionEvent.ACTION_UP) {
		// Transform this touch event to a hover exit event and stop dispatching a hover event
		// after this.
		mIsDispatchingHoverEventToMoreSuggestions = false;
		mNeedsToTransformTouchEventToHoverEvent = false;
		hoverAction = MotionEvent.ACTION_HOVER_EXIT;
		} else {
		// Transform this touch event to a hover move event.
		hoverAction = MotionEvent.ACTION_HOVER_MOVE;
		}
		me.setAction(hoverAction);
		mMoreSuggestionsView.onHoverEvent(me);
		return true;
		}

		@Override
		public void onClick(final View view) {