| /* |
| * 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.keyboard.internal; |
| |
| import android.content.Context; |
| import android.graphics.Canvas; |
| import android.graphics.Paint; |
| import android.graphics.PorterDuff; |
| import android.graphics.PorterDuffXfermode; |
| import android.util.AttributeSet; |
| import android.widget.RelativeLayout; |
| |
| import com.android.inputmethod.latin.CollectionUtils; |
| import com.android.inputmethod.latin.CoordinateUtils; |
| |
| import java.util.ArrayList; |
| |
| public final class PreviewPlacerView extends RelativeLayout { |
| private final int[] mKeyboardViewOrigin = CoordinateUtils.newInstance(); |
| |
| private final ArrayList<AbstractDrawingPreview> mPreviews = CollectionUtils.newArrayList(); |
| |
| public PreviewPlacerView(final Context context, final AttributeSet attrs) { |
| super(context, attrs); |
| setWillNotDraw(false); |
| |
| final Paint layerPaint = new Paint(); |
| layerPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_OVER)); |
| setLayerType(LAYER_TYPE_HARDWARE, layerPaint); |
| } |
| |
| public void addPreview(final AbstractDrawingPreview preview) { |
| mPreviews.add(preview); |
| } |
| |
| public void setKeyboardViewGeometry(final int[] originCoords, final int width, |
| final int height) { |
| CoordinateUtils.copy(mKeyboardViewOrigin, originCoords); |
| final int count = mPreviews.size(); |
| for (int i = 0; i < count; i++) { |
| mPreviews.get(i).setKeyboardGeometry(originCoords, width, height); |
| } |
| } |
| |
| @Override |
| protected void onDetachedFromWindow() { |
| super.onDetachedFromWindow(); |
| final int count = mPreviews.size(); |
| for (int i = 0; i < count; i++) { |
| mPreviews.get(i).onDetachFromWindow(); |
| } |
| } |
| |
| @Override |
| public void onDraw(final Canvas canvas) { |
| super.onDraw(canvas); |
| final int originX = CoordinateUtils.x(mKeyboardViewOrigin); |
| final int originY = CoordinateUtils.y(mKeyboardViewOrigin); |
| canvas.translate(originX, originY); |
| final int count = mPreviews.size(); |
| for (int i = 0; i < count; i++) { |
| mPreviews.get(i).drawPreview(canvas); |
| } |
| canvas.translate(-originX, -originY); |
| } |
| } |