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124 changes: 124 additions & 0 deletions
124
skin-maker/src/main/java/com/qmuiteam/qmui/skin/DelegateViewPagerAdapter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,124 @@ | ||
| /* | ||
| * Tencent is pleased to support the open source community by making QMUI_Android available. | ||
| * | ||
| * Copyright (C) 2017-2018 THL A29 Limited, a Tencent company. All rights reserved. | ||
| * | ||
| * Licensed under the MIT License (the "License"); you may not use this file except in | ||
| * compliance with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://opensource.org/licenses/MIT | ||
| * | ||
| * 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.qmuiteam.qmui.skin; | ||
|
|
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| import android.database.DataSetObserver; | ||
| import android.os.Parcelable; | ||
| import android.view.View; | ||
| import android.view.ViewGroup; | ||
|
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| import java.util.HashMap; | ||
|
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| import androidx.annotation.NonNull; | ||
| import androidx.viewpager.widget.PagerAdapter; | ||
|
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| public class DelegateViewPagerAdapter extends PagerAdapter { | ||
| private PagerAdapter origin; | ||
| private String prefix; | ||
| private HashMap<Object, Integer> mChildBindInfo = new HashMap<>(); | ||
| private QMUISkinMaker skinMaker; | ||
|
|
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| DelegateViewPagerAdapter(QMUISkinMaker skinMaker, PagerAdapter origin, String prefix) { | ||
| this.skinMaker = skinMaker; | ||
| this.origin = origin; | ||
| this.prefix = prefix; | ||
| } | ||
|
|
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| @Override | ||
| public int getCount() { | ||
| return origin.getCount(); | ||
| } | ||
|
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| @Override | ||
| public boolean isViewFromObject(@NonNull View view, @NonNull Object object) { | ||
| return origin.isViewFromObject(view, object); | ||
| } | ||
|
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| @NonNull | ||
| @Override | ||
| public Object instantiateItem(@NonNull ViewGroup container, int position) { | ||
| Object item = origin.instantiateItem(container, position); | ||
| int id = skinMaker.bindViewPagerChild(origin, item, prefix); | ||
| mChildBindInfo.put(item, id); | ||
| return item; | ||
| } | ||
|
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| @Override | ||
| public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) { | ||
| origin.destroyItem(container, position, object); | ||
| Integer bindId = mChildBindInfo.remove(object); | ||
| if (bindId != null) { | ||
| skinMaker.unbind(bindId); | ||
| } | ||
| } | ||
|
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| @Override | ||
| public void restoreState(Parcelable bundle, ClassLoader classLoader) { | ||
| origin.restoreState(bundle, classLoader); | ||
| } | ||
|
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| @Override | ||
| public Parcelable saveState() { | ||
| return origin.saveState(); | ||
| } | ||
|
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| @Override | ||
| public void startUpdate(@NonNull ViewGroup container) { | ||
| origin.startUpdate(container); | ||
| } | ||
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| @Override | ||
| public void finishUpdate(@NonNull ViewGroup container) { | ||
| origin.finishUpdate(container); | ||
| } | ||
|
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| @Override | ||
| public CharSequence getPageTitle(int position) { | ||
| return origin.getPageTitle(position); | ||
| } | ||
|
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| @Override | ||
| public float getPageWidth(int position) { | ||
| return origin.getPageWidth(position); | ||
| } | ||
|
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| @Override | ||
| public void setPrimaryItem(@NonNull ViewGroup container, int position, @NonNull Object object) { | ||
| origin.setPrimaryItem(container, position, object); | ||
| } | ||
|
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| @Override | ||
| public void unregisterDataSetObserver(@NonNull DataSetObserver observer) { | ||
| origin.unregisterDataSetObserver(observer); | ||
| } | ||
|
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| @Override | ||
| public void registerDataSetObserver(@NonNull DataSetObserver observer) { | ||
| origin.registerDataSetObserver(observer); | ||
| } | ||
|
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| @Override | ||
| public void notifyDataSetChanged() { | ||
| super.notifyDataSetChanged(); | ||
| origin.notifyDataSetChanged(); | ||
| } | ||
|
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| @Override | ||
| public int getItemPosition(@NonNull Object object) { | ||
| return origin.getItemPosition(object); | ||
| } | ||
| } |
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