Introduce onEvent() to improve testability

...and prepare for the future

Change-Id: Ieed96ab552993fd148e80b9c3355f1b569bd716f

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

@@ -1261,10 +1261,26 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         mSubtypeState.switchSubtype(token, mRichImm);
     }
 
+    // TODO: Instead of checking for alphabetic keyboard here, separate keycodes for
+    // alphabetic shift and shift while in symbol layout and get rid of this method.
+    private int getCodePointForKeyboard(final int codePoint) {
+        if (Constants.CODE_SHIFT == codePoint) {
+            final Keyboard currentKeyboard = mKeyboardSwitcher.getKeyboard();
+            if (null != currentKeyboard && currentKeyboard.mId.isAlphabetKeyboard()) {
+                return codePoint;
+            } else {
+                return Constants.CODE_SYMBOL_SHIFT;
+            }
+        } else {
+            return codePoint;
+        }
+    }
+
     // Implementation of {@link KeyboardActionListener}.
     @Override
     public void onCodeInput(final int codePoint, final int x, final int y,
             final boolean isKeyRepeat) {
+        // TODO: this processing does not belong inside LatinIME, the caller should be doing this.
         final MainKeyboardView mainKeyboardView = mKeyboardSwitcher.getMainKeyboardView();
         // x and y include some padding, but everything down the line (especially native
         // code) needs the coordinates in the keyboard frame.
@@ -1273,30 +1289,23 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         // this transformation, it should be done already before calling onCodeInput.
         final int keyX = mainKeyboardView.getKeyX(x);
         final int keyY = mainKeyboardView.getKeyY(y);
-        final int codeToSend;
+        final Event event = createSoftwareKeypressEvent(getCodePointForKeyboard(codePoint),
-        if (Constants.CODE_SHIFT == codePoint) {
+                keyX, keyY, isKeyRepeat);
-            // TODO: Instead of checking for alphabetic keyboard here, separate keycodes for
+        onEvent(event);
-            // alphabetic shift and shift while in symbol layout.
-            final Keyboard currentKeyboard = mKeyboardSwitcher.getKeyboard();
-            if (null != currentKeyboard && currentKeyboard.mId.isAlphabetKeyboard()) {
-                codeToSend = codePoint;
-            } else {
-                codeToSend = Constants.CODE_SYMBOL_SHIFT;
     }
-        } else {
+
-            codeToSend = codePoint;
+    // This method is public for testability of LatinIME, but also in the future it should
-        }
+    // completely replace #onCodeInput.
-        if (Constants.CODE_SHORTCUT == codePoint) {
+    public void onEvent(final Event event) {
+        if (Constants.CODE_SHORTCUT == event.mCodePoint) {
             mSubtypeSwitcher.switchToShortcutIME(this);
-            // Still call the *#onCodeInput methods for readability.
         }
-        final Event event = createSoftwareKeypressEvent(codeToSend, keyX, keyY, isKeyRepeat);
         final InputTransaction completeInputTransaction =
                 mInputLogic.onCodeInput(mSettings.getCurrent(), event,
                         mKeyboardSwitcher.getKeyboardShiftMode(),
                         mKeyboardSwitcher.getCurrentKeyboardScriptId(), mHandler);
         updateStateAfterInputTransaction(completeInputTransaction);
-        mKeyboardSwitcher.onCodeInput(codePoint, getCurrentAutoCapsState(),
+        mKeyboardSwitcher.onCodeInput(event.mCodePoint, getCurrentAutoCapsState(),
                 getCurrentRecapitalizeState());
     }
 

tests/src/com/android/inputmethod/latin/InputTestsBase.java

@@ -36,6 +36,7 @@ import android.widget.EditText;
 import android.widget.FrameLayout;
 
 import com.android.inputmethod.compat.InputMethodSubtypeCompatUtils;
+import com.android.inputmethod.event.Event;
 import com.android.inputmethod.keyboard.Key;
 import com.android.inputmethod.keyboard.Keyboard;
 import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
@@ -263,14 +264,17 @@ public class InputTestsBase extends ServiceTestCase<LatinIMEForTests> {
         // but keep them in mind if something breaks. Commenting them out as is should work.
         //mLatinIME.onPressKey(codePoint, 0 /* repeatCount */, true /* isSinglePointer */);
         final Key key = mKeyboard.getKey(codePoint);
+        final Event event;
         if (key == null) {
-            mLatinIME.onCodeInput(codePoint, Constants.NOT_A_COORDINATE, Constants.NOT_A_COORDINATE,
+            event = Event.createSoftwareKeypressEvent(codePoint, Event.NOT_A_KEY_CODE,
-                    isKeyRepeat);
+                    Constants.NOT_A_COORDINATE, Constants.NOT_A_COORDINATE, isKeyRepeat);
         } else {
             final int x = key.getX() + key.getWidth() / 2;
             final int y = key.getY() + key.getHeight() / 2;
-            mLatinIME.onCodeInput(codePoint, x, y, isKeyRepeat);
+            event = Event.createSoftwareKeypressEvent(codePoint, Event.NOT_A_KEY_CODE,
+                    x, y, isKeyRepeat);
         }
+        mLatinIME.onEvent(event);
         // Also see the comment at the top of this function about onReleaseKey
         //mLatinIME.onReleaseKey(codePoint, false /* withSliding */);
     }