[AC7] Actually auto-commit.

Bug: 9059617
Change-Id: I7e5d89a9037b9181a0a6456c12043b4bfda8fe4b

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

@@ -186,7 +186,7 @@ public final class BinaryDictionary extends Dictionary {
                 // flags too and pass mOutputTypes[j] instead of kind
                 suggestions.add(new SuggestedWordInfo(new String(mOutputCodePoints, start, len),
                         score, kind, this /* sourceDict */,
-                        mSpaceIndices[0] /* indexOfTouchPointOfSecondWord */,
+                        mSpaceIndices[j] /* indexOfTouchPointOfSecondWord */,
                         mOutputAutoCommitFirstWordConfidence[0]));
             }
         }

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

@@ -105,6 +105,17 @@ public final class InputPointers {
         mTimes.append(times, startPos, length);
     }
 
+    /**
+     * Shift to the left by elementCount, discarding elementCount pointers at the start.
+     * @param elementCount how many elements to shift.
+     */
+    public void shift(final int elementCount) {
+        mXCoordinates.shift(elementCount);
+        mYCoordinates.shift(elementCount);
+        mPointerIds.shift(elementCount);
+        mTimes.shift(elementCount);
+    }
+
     public void reset() {
         final int defaultCapacity = mDefaultCapacity;
         mXCoordinates.reset(defaultCapacity);

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

@@ -1847,10 +1847,18 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
 
     @Override
     public void onUpdateBatchInput(final InputPointers batchPointers) {
-        final SuggestedWordInfo candidate = mSuggestedWords.getAutoCommitCandidate();
+        if (mSettings.getCurrent().mPhraseGestureEnabled) {
-        if (null != candidate) {
+            final SuggestedWordInfo candidate = mSuggestedWords.getAutoCommitCandidate();
-            if (candidate.mSourceDict.shouldAutoCommit(candidate)) {
+            if (null != candidate) {
-                // TODO: implement auto-commit
+                if (candidate.mSourceDict.shouldAutoCommit(candidate)) {
+                    final String[] commitParts = candidate.mWord.split(" ", 2);
+                    batchPointers.shift(candidate.mIndexOfTouchPointOfSecondWord);
+                    promotePhantomSpace();
+                    mConnection.commitText(commitParts[0], 0);
+                    mSpaceState = SPACE_STATE_PHANTOM;
+                    mKeyboardSwitcher.updateShiftState();
+                    mWordComposer.setCapitalizedModeAtStartComposingTime(getActualCapsMode());
+                }
             }
         }
         mInputUpdater.onUpdateBatchInput(batchPointers);
@@ -1863,12 +1871,23 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         if (TextUtils.isEmpty(batchInputText)) {
             return;
         }
-        mWordComposer.setBatchInputWord(batchInputText);
         mConnection.beginBatchEdit();
         if (SPACE_STATE_PHANTOM == mSpaceState) {
             promotePhantomSpace();
         }
-        mConnection.setComposingText(batchInputText, 1);
+        if (mSettings.getCurrent().mPhraseGestureEnabled) {
+            // Find the last space
+            final int indexOfLastSpace = batchInputText.lastIndexOf(Constants.CODE_SPACE) + 1;
+            if (0 != indexOfLastSpace) {
+                mConnection.commitText(batchInputText.substring(0, indexOfLastSpace), 1);
+            }
+            final String lastWord = batchInputText.substring(indexOfLastSpace);
+            mWordComposer.setBatchInputWord(lastWord);
+            mConnection.setComposingText(lastWord, 1);
+        } else {
+            mWordComposer.setBatchInputWord(batchInputText);
+            mConnection.setComposingText(batchInputText, 1);
+        }
         mExpectingUpdateSelection = true;
         mConnection.endBatchEdit();
         if (ProductionFlag.USES_DEVELOPMENT_ONLY_DIAGNOSTICS) {

java/src/com/android/inputmethod/latin/utils/ResizableIntArray.java

@@ -132,6 +132,15 @@ public final class ResizableIntArray {
         }
     }
 
+    /**
+     * Shift to the left by elementCount, discarding elementCount pointers at the start.
+     * @param elementCount how many elements to shift.
+     */
+    public void shift(final int elementCount) {
+        System.arraycopy(mArray, elementCount, mArray, 0, mLength - elementCount);
+        mLength -= elementCount;
+    }
+
     @Override
     public String toString() {
         final StringBuilder sb = new StringBuilder();

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

@@ -244,4 +244,20 @@ public class InputPointersTests extends AndroidTestCase {
                     expecteds[i + expectedPos], actuals[i + actualPos]);
         }
     }
+
+    public void testShift() {
+        final InputPointers src = new InputPointers(DEFAULT_CAPACITY);
+        final int limit = 100;
+        final int shiftAmount = 20;
+        for (int i = 0; i < limit; i++) {
+            src.addPointer(i, i * 2, i * 3, i * 4);
+        }
+        src.shift(shiftAmount);
+        for (int i = 0; i < limit - shiftAmount; ++i) {
+            assertEquals("xCoordinates at " + i, i + shiftAmount, src.getXCoordinates()[i]);
+            assertEquals("yCoordinates at " + i, (i + shiftAmount) * 2, src.getYCoordinates()[i]);
+            assertEquals("pointerIds at " + i, (i + shiftAmount) * 3, src.getPointerIds()[i]);
+            assertEquals("times at " + i, (i + shiftAmount) * 4, src.getTimes()[i]);
+        }
+    }
 }

tests/src/com/android/inputmethod/latin/utils/ResizableIntArrayTests.java

@@ -340,4 +340,18 @@ public class ResizableIntArrayTests extends AndroidTestCase {
                     expecteds[i + expectedPos], actuals[i + actualPos]);
         }
     }
+
+    public void testShift() {
+        final ResizableIntArray src = new ResizableIntArray(DEFAULT_CAPACITY);
+        final int limit = DEFAULT_CAPACITY * 10;
+        final int shiftAmount = 20;
+        for (int i = 0; i < limit; ++i) {
+            src.add(i, i);
+            assertEquals("length after add at " + i, i + 1, src.getLength());
+        }
+        src.shift(shiftAmount);
+        for (int i = 0; i < limit - shiftAmount; ++i) {
+            assertEquals("value at " + i, i + shiftAmount, src.get(i));
+        }
+    }
 }