Start separating the input logic from LatinIME.

Create an InputEngine class and start moving the relevant
variables to it.

Bug: 8636060
Change-Id: I64adef4ac01e665c19bb7c5b93517a0cbd03d817

1 files changed, 78 insertions, 0 deletions

diff --git a/java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java b/java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java
new file mode 100644
index 000000000..75f4aaccd
--- /dev/null
+++ b/java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.inputmethod.latin.inputlogic;
+
+import com.android.inputmethod.event.EventInterpreter;
+import com.android.inputmethod.latin.LastComposedWord;
+import com.android.inputmethod.latin.LatinIME;
+import com.android.inputmethod.latin.RichInputConnection;
+import com.android.inputmethod.latin.Suggest;
+import com.android.inputmethod.latin.SuggestedWords;
+import com.android.inputmethod.latin.WordComposer;
+import com.android.inputmethod.latin.utils.CollectionUtils;
+import com.android.inputmethod.latin.utils.RecapitalizeStatus;
+
+import java.util.TreeSet;
+
+/**
+ * This class manages the input logic.
+ */
+public final class InputLogic {
+    // TODO : Remove this member when we can.
+    private final LatinIME mLatinIME;
+
+    // TODO : make all these fields private as soon as possible.
+    // Current space state of the input method. This can be any of the above constants.
+    public int mSpaceState;
+    // Never null
+    public SuggestedWords mSuggestedWords = SuggestedWords.EMPTY;
+    public Suggest mSuggest;
+    // The event interpreter should never be null.
+    public EventInterpreter mEventInterpreter;
+
+    public LastComposedWord mLastComposedWord = LastComposedWord.NOT_A_COMPOSED_WORD;
+    public final WordComposer mWordComposer;
+    public final RichInputConnection mConnection;
+    public final RecapitalizeStatus mRecapitalizeStatus = new RecapitalizeStatus();
+
+    // Keep track of the last selection range to decide if we need to show word alternatives
+    public static final int NOT_A_CURSOR_POSITION = -1;
+    public int mLastSelectionStart = NOT_A_CURSOR_POSITION;
+    public int mLastSelectionEnd = NOT_A_CURSOR_POSITION;
+
+    public int mDeleteCount;
+    public long mLastKeyTime;
+    public final TreeSet<Long> mCurrentlyPressedHardwareKeys = CollectionUtils.newTreeSet();
+
+    // Keeps track of most recently inserted text (multi-character key) for reverting
+    public String mEnteredText;
+
+    // TODO: This boolean is persistent state and causes large side effects at unexpected times.
+    // Find a way to remove it for readability.
+    public boolean mIsAutoCorrectionIndicatorOn;
+
+    public InputLogic(final LatinIME latinIME) {
+        mLatinIME = latinIME;
+        mWordComposer = new WordComposer();
+        mEventInterpreter = new EventInterpreter(latinIME);
+        mConnection = new RichInputConnection(latinIME);
+    }
+
+    public void startInput(final boolean restarting) {
+        
+    }
+}