| /* |
| * 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.keyboard.internal; |
| |
| import android.os.Message; |
| |
| import com.android.inputmethod.keyboard.Key; |
| import com.android.inputmethod.keyboard.internal.DrawingHandler.Callbacks; |
| import com.android.inputmethod.latin.SuggestedWords; |
| import com.android.inputmethod.latin.utils.LeakGuardHandlerWrapper; |
| |
| import javax.annotation.Nonnull; |
| |
| // TODO: Separate this class into KeyPreviewHandler and BatchInputPreviewHandler or so. |
| public class DrawingHandler extends LeakGuardHandlerWrapper<Callbacks> { |
| public interface Callbacks { |
| public void dismissKeyPreviewWithoutDelay(Key key); |
| public void showGestureFloatingPreviewText(SuggestedWords suggestedWords); |
| } |
| |
| private static final int MSG_DISMISS_KEY_PREVIEW = 0; |
| private static final int MSG_DISMISS_GESTURE_FLOATING_PREVIEW_TEXT = 1; |
| |
| public DrawingHandler(@Nonnull final Callbacks ownerInstance) { |
| super(ownerInstance); |
| } |
| |
| @Override |
| public void handleMessage(final Message msg) { |
| final Callbacks callbacks = getOwnerInstance(); |
| if (callbacks == null) { |
| return; |
| } |
| switch (msg.what) { |
| case MSG_DISMISS_KEY_PREVIEW: |
| callbacks.dismissKeyPreviewWithoutDelay((Key)msg.obj); |
| break; |
| case MSG_DISMISS_GESTURE_FLOATING_PREVIEW_TEXT: |
| callbacks.showGestureFloatingPreviewText(SuggestedWords.getEmptyInstance()); |
| break; |
| } |
| } |
| |
| public void dismissKeyPreview(final long delay, final Key key) { |
| sendMessageDelayed(obtainMessage(MSG_DISMISS_KEY_PREVIEW, key), delay); |
| } |
| |
| public void dismissGestureFloatingPreviewText(final long delay) { |
| sendMessageDelayed(obtainMessage(MSG_DISMISS_GESTURE_FLOATING_PREVIEW_TEXT), delay); |
| } |
| |
| public void cancelAllMessages() { |
| removeMessages(MSG_DISMISS_KEY_PREVIEW); |
| } |
| } |