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Commit 5475b383 authored by Jean Chalard's avatar Jean Chalard
Browse files

Make a wrapper for the input connection. 

The goal is to simplify the code in LatinIME.java as well as having
a handy place to put debug calls to see interaction with TextView.

Change-Id: I255227e7e7343e0c2f3dcd1f185e5020d6186732
parent c33a5428

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

+153 −213

File changed.

Preview size limit exceeded, changes collapsed.

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

0 → 100644
+122 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2012 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;



import android.util.Log;

import android.view.KeyEvent;

import android.view.inputmethod.CompletionInfo;

import android.view.inputmethod.CorrectionInfo;

import android.view.inputmethod.InputConnection;



/**

 * Wrapper for InputConnection to simplify interaction

 */

public class RichInputConnection {

    private static final String TAG = RichInputConnection.class.getSimpleName();

    private static final boolean DBG = false;

    InputConnection mIC;

    int mNestLevel;

    public RichInputConnection() {

        mIC = null;

        mNestLevel = 0;

    }



    // TODO: remove this method - the whole point of this class is void if mIC is escaping

    public InputConnection getInputConnection() {

        return mIC;

    }



    public void beginBatchEdit(final InputConnection newInputConnection) {

        if (++mNestLevel == 1) {

            mIC = newInputConnection;

            if (null != mIC) mIC.beginBatchEdit();

        } else {

            if (DBG) {

                throw new RuntimeException("Nest level too deep");

            } else {

                Log.e(TAG, "Nest level too deep : " + mNestLevel);

            }

        }

    }

    public void endBatchEdit() {

        if (mNestLevel <= 0) Log.e(TAG, "Batch edit not in progress!"); // TODO: exception instead

        if (--mNestLevel == 0 && null != mIC) mIC.endBatchEdit();

    }



    public void finishComposingText() {

        if (mNestLevel <= 0) Log.e(TAG, "Batch edit not in progress!"); // TODO: exception instead

        if (null != mIC) mIC.finishComposingText();

    }



    public void commitText(final CharSequence text, final int i) {

        if (mNestLevel <= 0) Log.e(TAG, "Batch edit not in progress!"); // TODO: exception instead

        if (null != mIC) mIC.commitText(text, i);

    }



    public int getCursorCapsMode(final int inputType) {

        if (mNestLevel <= 0) Log.e(TAG, "Batch edit not in progress!"); // TODO: exception instead

        if (null == mIC) return Constants.TextUtils.CAP_MODE_OFF;

        return mIC.getCursorCapsMode(inputType);

    }



    public CharSequence getTextBeforeCursor(final int i, final int j) {

        if (mNestLevel <= 0) Log.e(TAG, "Batch edit not in progress!"); // TODO: exception instead

        if (null != mIC) return mIC.getTextBeforeCursor(i, j);

        return null;

    }



    public CharSequence getTextAfterCursor(final int i, final int j) {

        if (mNestLevel <= 0) Log.e(TAG, "Batch edit not in progress!"); // TODO: exception instead

        if (null != mIC) return mIC.getTextAfterCursor(i, j);

        return null;

    }



    public void deleteSurroundingText(final int i, final int j) {

        if (mNestLevel <= 0) Log.e(TAG, "Batch edit not in progress!"); // TODO: exception instead

        if (null != mIC) mIC.deleteSurroundingText(i, j);

    }



    public void performEditorAction(final int actionId) {

        if (mNestLevel <= 0) Log.e(TAG, "Batch edit not in progress!"); // TODO: exception instead

        if (null != mIC) mIC.performEditorAction(actionId);

    }



    public void sendKeyEvent(final KeyEvent keyEvent) {

        if (mNestLevel <= 0) Log.e(TAG, "Batch edit not in progress!"); // TODO: exception instead

        if (null != mIC) mIC.sendKeyEvent(keyEvent);

    }



    public void setComposingText(final CharSequence text, final int i) {

        if (mNestLevel <= 0) Log.e(TAG, "Batch edit not in progress!"); // TODO: exception instead

        if (null != mIC) mIC.setComposingText(text, i);

    }



    public void setSelection(final int from, final int to) {

        if (mNestLevel <= 0) Log.e(TAG, "Batch edit not in progress!"); // TODO: exception instead

        if (null != mIC) mIC.setSelection(from, to);

    }



    public void commitCorrection(final CorrectionInfo correctionInfo) {

        if (mNestLevel <= 0) Log.e(TAG, "Batch edit not in progress!"); // TODO: exception instead

        if (null != mIC) mIC.commitCorrection(correctionInfo);

    }



    public void commitCompletion(final CompletionInfo completionInfo) {

        if (mNestLevel <= 0) Log.e(TAG, "Batch edit not in progress!"); // TODO: exception instead

        if (null != mIC) mIC.commitCompletion(completionInfo);

    }

}