78 lines
2.7 KiB
Java
78 lines
2.7 KiB
Java
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/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.inputmethod.keyboard.internal;
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import android.os.Message;
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import com.android.inputmethod.keyboard.Key;
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import com.android.inputmethod.keyboard.internal.DrawingHandler.Callbacks;
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import com.android.inputmethod.latin.SuggestedWords;
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import com.android.inputmethod.latin.utils.LeakGuardHandlerWrapper;
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// TODO: Separate this class into KeyPreviewHandler and BatchInputPreviewHandler or so.
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public class DrawingHandler extends LeakGuardHandlerWrapper<Callbacks> {
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public interface Callbacks {
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public void dismissKeyPreviewWithoutDelay(Key key);
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public void dismissAllKeyPreviews();
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public void showGestureFloatingPreviewText(SuggestedWords suggestedWords);
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}
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private static final int MSG_DISMISS_KEY_PREVIEW = 0;
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private static final int MSG_DISMISS_GESTURE_FLOATING_PREVIEW_TEXT = 1;
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public DrawingHandler(final Callbacks ownerInstance) {
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super(ownerInstance);
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}
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@Override
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public void handleMessage(final Message msg) {
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final Callbacks callbacks = getOwnerInstance();
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if (callbacks == null) {
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return;
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}
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switch (msg.what) {
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case MSG_DISMISS_KEY_PREVIEW:
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callbacks.dismissKeyPreviewWithoutDelay((Key)msg.obj);
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break;
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case MSG_DISMISS_GESTURE_FLOATING_PREVIEW_TEXT:
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callbacks.showGestureFloatingPreviewText(SuggestedWords.EMPTY);
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break;
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}
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}
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public void dismissKeyPreview(final long delay, final Key key) {
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sendMessageDelayed(obtainMessage(MSG_DISMISS_KEY_PREVIEW, key), delay);
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}
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private void cancelAllDismissKeyPreviews() {
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removeMessages(MSG_DISMISS_KEY_PREVIEW);
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final Callbacks callbacks = getOwnerInstance();
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if (callbacks == null) {
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return;
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}
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callbacks.dismissAllKeyPreviews();
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}
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public void dismissGestureFloatingPreviewText(final long delay) {
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sendMessageDelayed(obtainMessage(MSG_DISMISS_GESTURE_FLOATING_PREVIEW_TEXT), delay);
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}
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public void cancelAllMessages() {
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cancelAllDismissKeyPreviews();
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}
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}
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