nyancrimew/LatinIME
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

Merge "Disptach hover events when sliding suggestion mode" into lmp-dev

Browse source
This commit is contained in:
Tadashi G. Takaoka 2014-07-30 07:48:08 +00:00 committed by Android (Google) Code Review
commit f4a3fd4893
1 changed files with 44 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

51
java/src/com/android/inputmethod/latin/suggestions/SuggestionStripView.java
View file

@ -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;
}
@ -426,10 +432,41 @@ 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));
mMoreSuggestionsView.onTouchEvent(me);
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;
}