Refactor proximity info
Change-Id: I96a4eb5cbdb3b2a402e286ac2aff36c3a52482ff
diff --git a/native/jni/src/proximity_info.cpp b/native/jni/src/proximity_info.cpp
index 9b99554..08646af 100644
--- a/native/jni/src/proximity_info.cpp
+++ b/native/jni/src/proximity_info.cpp
@@ -94,11 +94,6 @@
delete[] mProximityCharsArray;
}
-inline int ProximityInfo::getStartIndexFromCoordinates(const int x, const int y) const {
- return ((y / CELL_HEIGHT) * GRID_WIDTH + (x / CELL_WIDTH))
- * MAX_PROXIMITY_CHARS_SIZE;
-}
-
bool ProximityInfo::hasSpaceProximity(const int x, const int y) const {
if (x < 0 || y < 0) {
if (DEBUG_DICT) {
@@ -109,7 +104,8 @@
return false;
}
- const int startIndex = getStartIndexFromCoordinates(x, y);
+ const int startIndex = ProximityInfoUtils::getStartIndexFromCoordinates(
+ MAX_PROXIMITY_CHARS_SIZE, x, y, CELL_HEIGHT, CELL_WIDTH, GRID_WIDTH);
if (DEBUG_PROXIMITY_INFO) {
AKLOGI("hasSpaceProximity: index %d, %d, %d", startIndex, x, y);
}
@@ -147,100 +143,6 @@
return getSquaredDistanceFloat(centerX, centerY, touchX, touchY) / SQUARE_FLOAT(keyWidth);
}
-int ProximityInfo::squaredDistanceToEdge(const int keyId, const int x, const int y) const {
- if (keyId < 0) return true; // NOT_A_ID is -1, but return whenever < 0 just in case
- const int left = mKeyXCoordinates[keyId];
- const int top = mKeyYCoordinates[keyId];
- const int right = left + mKeyWidths[keyId];
- const int bottom = top + mKeyHeights[keyId];
- const int edgeX = x < left ? left : (x > right ? right : x);
- const int edgeY = y < top ? top : (y > bottom ? bottom : y);
- const int dx = x - edgeX;
- const int dy = y - edgeY;
- return dx * dx + dy * dy;
-}
-
-void ProximityInfo::calculateNearbyKeyCodes(
- const int x, const int y, const int primaryKey, int *inputCodes) const {
- int *proximityCharsArray = mProximityCharsArray;
- int insertPos = 0;
- inputCodes[insertPos++] = primaryKey;
- const int startIndex = getStartIndexFromCoordinates(x, y);
- if (startIndex >= 0) {
- for (int i = 0; i < MAX_PROXIMITY_CHARS_SIZE; ++i) {
- const int c = proximityCharsArray[startIndex + i];
- if (c < KEYCODE_SPACE || c == primaryKey) {
- continue;
- }
- const int keyIndex = getKeyIndexOf(c);
- const bool onKey = isOnKey(keyIndex, x, y);
- const int distance = squaredDistanceToEdge(keyIndex, x, y);
- if (onKey || distance < MOST_COMMON_KEY_WIDTH_SQUARE) {
- inputCodes[insertPos++] = c;
- if (insertPos >= MAX_PROXIMITY_CHARS_SIZE) {
- if (DEBUG_DICT) {
- ASSERT(false);
- }
- return;
- }
- }
- }
- const int additionalProximitySize =
- AdditionalProximityChars::getAdditionalCharsSize(mLocaleStr, primaryKey);
- if (additionalProximitySize > 0) {
- inputCodes[insertPos++] = ADDITIONAL_PROXIMITY_CHAR_DELIMITER_CODE;
- if (insertPos >= MAX_PROXIMITY_CHARS_SIZE) {
- if (DEBUG_DICT) {
- ASSERT(false);
- }
- return;
- }
-
- const int *additionalProximityChars =
- AdditionalProximityChars::getAdditionalChars(mLocaleStr, primaryKey);
- for (int j = 0; j < additionalProximitySize; ++j) {
- const int ac = additionalProximityChars[j];
- int k = 0;
- for (; k < insertPos; ++k) {
- if (ac == inputCodes[k]) {
- break;
- }
- }
- if (k < insertPos) {
- continue;
- }
- inputCodes[insertPos++] = ac;
- if (insertPos >= MAX_PROXIMITY_CHARS_SIZE) {
- if (DEBUG_DICT) {
- ASSERT(false);
- }
- return;
- }
- }
- }
- }
- // Add a delimiter for the proximity characters
- for (int i = insertPos; i < MAX_PROXIMITY_CHARS_SIZE; ++i) {
- inputCodes[i] = NOT_A_CODE_POINT;
- }
-}
-
-int ProximityInfo::getKeyIndexOf(const int c) const {
- if (KEY_COUNT == 0) {
- // We do not have the coordinate data
- return NOT_AN_INDEX;
- }
- if (c == NOT_A_CODE_POINT) {
- return NOT_AN_INDEX;
- }
- const int lowerCode = toLowerCase(c);
- hash_map_compat<int, int>::const_iterator mapPos = mCodeToKeyMap.find(lowerCode);
- if (mapPos != mCodeToKeyMap.end()) {
- return mapPos->second;
- }
- return NOT_AN_INDEX;
-}
-
int ProximityInfo::getCodePointOf(const int keyIndex) const {
if (keyIndex < 0 || keyIndex >= KEY_COUNT) {
return NOT_A_CODE_POINT;
@@ -269,11 +171,13 @@
}
int ProximityInfo::getKeyCenterXOfCodePointG(int charCode) const {
- return getKeyCenterXOfKeyIdG(getKeyIndexOf(charCode));
+ return getKeyCenterXOfKeyIdG(
+ ProximityInfoUtils::getKeyIndexOf(KEY_COUNT, charCode, &mCodeToKeyMap));
}
int ProximityInfo::getKeyCenterYOfCodePointG(int charCode) const {
- return getKeyCenterYOfKeyIdG(getKeyIndexOf(charCode));
+ return getKeyCenterYOfKeyIdG(
+ ProximityInfoUtils::getKeyIndexOf(KEY_COUNT, charCode, &mCodeToKeyMap));
}
int ProximityInfo::getKeyCenterXOfKeyIdG(int keyId) const {