Reduce the cost for handling intentional omission.

Bug: 14602770

Change-Id: I3a678a3e9b227fc4c3b8d23012aba18ca2e52da5

native/jni/src/suggest/policyimpl/typing/scoring_params.cpp

@@ -37,6 +37,7 @@ const float ScoringParams::DISTANCE_WEIGHT_LENGTH = 0.1524f;
 const float ScoringParams::PROXIMITY_COST = 0.0694f;
 const float ScoringParams::FIRST_CHAR_PROXIMITY_COST = 0.072f;
 const float ScoringParams::FIRST_PROXIMITY_COST = 0.07788f;
+const float ScoringParams::INTENTIONAL_OMISSION_COST = 0.1f;
 const float ScoringParams::OMISSION_COST = 0.467f;
 const float ScoringParams::OMISSION_COST_SAME_CHAR = 0.345f;
 const float ScoringParams::OMISSION_COST_FIRST_CHAR = 0.5256f;

native/jni/src/suggest/policyimpl/typing/scoring_params.h

@@ -44,6 +44,7 @@ class ScoringParams {
     static const float PROXIMITY_COST;
     static const float FIRST_CHAR_PROXIMITY_COST;
     static const float FIRST_PROXIMITY_COST;
+    static const float INTENTIONAL_OMISSION_COST;
     static const float OMISSION_COST;
     static const float OMISSION_COST_SAME_CHAR;
     static const float OMISSION_COST_FIRST_CHAR;

native/jni/src/suggest/policyimpl/typing/typing_weighting.h

@@ -54,12 +54,15 @@ class TypingWeighting : public Weighting {
 
     float getOmissionCost(const DicNode *const parentDicNode, const DicNode *const dicNode) const {
         const bool isZeroCostOmission = parentDicNode->isZeroCostOmission();
+        const bool isIntentionalOmission = parentDicNode->canBeIntentionalOmission();
         const bool sameCodePoint = dicNode->isSameNodeCodePoint(parentDicNode);
         // If the traversal omitted the first letter then the dicNode should now be on the second.
         const bool isFirstLetterOmission = dicNode->getNodeCodePointCount() == 2;
         float cost = 0.0f;
         if (isZeroCostOmission) {
             cost = 0.0f;
+        } else if (isIntentionalOmission) {
+            cost = ScoringParams::INTENTIONAL_OMISSION_COST;
         } else if (isFirstLetterOmission) {
             cost = ScoringParams::OMISSION_COST_FIRST_CHAR;
         } else {