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/*
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* Copyright 2015 Hippo Seven
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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.hippo.widget;
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import android.content.Context;
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import android.content.res.TypedArray;
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import android.graphics.Color;
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import android.graphics.drawable.ColorDrawable;
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import android.graphics.drawable.Drawable;
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import android.graphics.drawable.TransitionDrawable;
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import android.support.annotation.NonNull;
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import android.util.AttributeSet;
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import android.view.View;
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import com.hippo.conaco.Conaco;
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import com.hippo.conaco.ConacoTask;
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import com.hippo.conaco.DataContainer;
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import com.hippo.conaco.Unikery;
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import com.hippo.conaco.ValueHolder;
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import com.hippo.drawable.ImageDrawable;
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import com.hippo.drawable.ImageWrapper;
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import com.hippo.ehviewer.EhApplication;
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import com.hippo.ehviewer.R;
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public class LoadImageView extends FixedAspectImageView implements Unikery<ImageWrapper>,
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View.OnClickListener, View.OnLongClickListener {
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private int mTaskId = Unikery.INVAILD_ID;
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private Conaco<ImageWrapper> mConaco;
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private String mKey;
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private String mUrl;
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private DataContainer mContainer;
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private ValueHolder<ImageWrapper> mHolder;
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private boolean mFailed;
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private RetryType mRetryType = RetryType.NONE;
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private static final RetryType[] sRetryTypeArray = {
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RetryType.NONE,
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RetryType.CLICK,
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RetryType.LONG_CLICK
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};
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public enum RetryType {
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NONE (0),
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CLICK (1),
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LONG_CLICK (2);
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RetryType(int ni) {
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nativeInt = ni;
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}
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final int nativeInt;
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}
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public LoadImageView(Context context) {
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super(context);
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}
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public LoadImageView(Context context, AttributeSet attrs) {
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super(context, attrs);
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init(context, attrs);
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}
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public LoadImageView(Context context, AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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init(context, attrs);
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}
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private void init(Context context, AttributeSet attrs) {
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TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.LoadImageView);
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final int index = a.getInt(R.styleable.LoadImageView_retryType, -1);
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if (index >= 0) {
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setRetryType(sRetryTypeArray[index]);
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}
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a.recycle();
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mConaco = EhApplication.getConaco(context);
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}
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public void setRetryType(RetryType retryType) {
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if (mRetryType != retryType) {
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RetryType oldRetryType = mRetryType;
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mRetryType = retryType;
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if (mFailed) {
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if (oldRetryType == RetryType.CLICK) {
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setOnClickListener(null);
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setClickable(false);
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} else if (oldRetryType == RetryType.LONG_CLICK) {
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setOnLongClickListener(null);
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setLongClickable(false);
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}
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if (retryType == RetryType.CLICK) {
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setOnClickListener(this);
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} else if (retryType == RetryType.LONG_CLICK) {
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setOnLongClickListener(this);
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}
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}
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}
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}
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private void cancelRetryType() {
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if (mRetryType == RetryType.CLICK) {
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setOnClickListener(null);
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setClickable(false);
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} else if (mRetryType == RetryType.LONG_CLICK) {
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setOnLongClickListener(null);
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setLongClickable(false);
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}
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}
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public void load(String key, String url, boolean useNetwork) {
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load(key, url, null, useNetwork);
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}
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public void load(String key, String url, DataContainer container, boolean useNetwork) {
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mFailed = false;
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cancelRetryType();
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if (url == null) {
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return;
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}
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if (key == null && container == null) {
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return;
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}
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mKey = key;
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mUrl = url;
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mContainer = container;
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ConacoTask.Builder<ImageWrapper> builder = new ConacoTask.Builder<ImageWrapper>()
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.setUnikery(this)
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.setKey(key)
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.setUrl(url)
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.setDataContainer(container)
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.setUseNetwork(useNetwork);
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mConaco.load(builder);
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}
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public void unload() {
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mConaco.cancel(this);
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mKey = null;
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mUrl = null;
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mContainer = null;
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removeDrawableAndHolder();
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}
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public void cancel() {
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mConaco.cancel(this);
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}
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@Override
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public void setTaskId(int id) {
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mTaskId = id;
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}
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@Override
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public int getTaskId() {
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return mTaskId;
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}
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private void removeDrawableAndHolder() {
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// Remove drawable
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Drawable drawable = getDrawable();
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if (drawable instanceof TransitionDrawable) {
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TransitionDrawable tDrawable = (TransitionDrawable) drawable;
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int number = tDrawable.getNumberOfLayers();
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if (number > 0) {
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drawable = tDrawable.getDrawable(number - 1);
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}
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}
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if (drawable instanceof ImageDrawable) {
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((ImageDrawable) drawable).recycle();
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}
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setImageDrawable(null);
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// Remove holder
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if (mHolder != null) {
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mHolder.release(this);
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ImageWrapper imageWrapper = mHolder.getValue();
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if (mHolder.isFree()) {
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// ImageWrapper is free, stop animate
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imageWrapper.stop();
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if (!mHolder.isInMemoryCache()) {
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// ImageWrapper is not needed any more, recycle it
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imageWrapper.recycle();
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}
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}
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mHolder = null;
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}
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}
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public void start() {
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Drawable drawable = getDrawable();
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if (drawable instanceof TransitionDrawable) {
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TransitionDrawable tDrawable = (TransitionDrawable) drawable;
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int number = tDrawable.getNumberOfLayers();
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if (number > 0) {
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drawable = tDrawable.getDrawable(number - 1);
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}
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}
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if (drawable instanceof ImageDrawable) {
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((ImageDrawable) drawable).start();
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}
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}
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public void stop() {
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Drawable drawable = getDrawable();
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if (drawable instanceof TransitionDrawable) {
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TransitionDrawable tDrawable = (TransitionDrawable) drawable;
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int number = tDrawable.getNumberOfLayers();
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if (number > 0) {
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drawable = tDrawable.getDrawable(number - 1);
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}
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}
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if (drawable instanceof ImageDrawable) {
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((ImageDrawable) drawable).stop();
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}
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}
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@Override
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public void onMiss(Conaco.Source source) {
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if (source == Conaco.Source.MEMORY) {
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removeDrawableAndHolder();
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}
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}
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@Override
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public void onRequest() {
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}
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@Override
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public void onProgress(long singleReceivedSize, long receivedSize, long totalSize) {
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}
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@Override
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public boolean onGetObject(@NonNull ValueHolder<ImageWrapper> holder, Conaco.Source source) {
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// Release
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mKey = null;
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mUrl = null;
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mContainer = null;
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holder.obtain(this);
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removeDrawableAndHolder();
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mHolder = holder;
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ImageWrapper imageWrapper = holder.getValue();
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Drawable drawable = new ImageDrawable(imageWrapper);
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imageWrapper.start();
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if ((source == Conaco.Source.DISK || source == Conaco.Source.NETWORK) &&
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imageWrapper.getFrameCount() <= 1) {
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Drawable[] layers = new Drawable[2];
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layers[0] = new ColorDrawable(Color.TRANSPARENT);
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layers[1] = drawable;
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TransitionDrawable transitionDrawable = new TransitionDrawable(layers);
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setImageDrawable(transitionDrawable);
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transitionDrawable.startTransition(300);
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} else {
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setImageDrawable(drawable);
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}
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return true;
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}
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@Override
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public void onSetDrawable(Drawable drawable) {
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removeDrawableAndHolder();
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setImageDrawable(drawable);
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}
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@Override
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public void onFailure() {
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mFailed = true;
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removeDrawableAndHolder();
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setImageDrawable(getContext().getResources().getDrawable(R.drawable.image_failed));
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if (mRetryType == RetryType.CLICK) {
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setOnClickListener(this);
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} else if (mRetryType == RetryType.LONG_CLICK) {
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setOnLongClickListener(this);
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} else {
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// Can't retry, so release
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mKey = null;
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mUrl = null;
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mContainer = null;
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}
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}
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@Override
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public void onCancel() {
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mFailed = false;
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cancelRetryType();
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// release
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mKey = null;
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mUrl = null;
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mContainer = null;
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}
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@Override
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public void onClick(@NonNull View v) {
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load(mKey, mUrl, mContainer, true);
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}
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@Override
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public boolean onLongClick(@NonNull View v) {
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load(mKey, mUrl, mContainer, true);
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return true;
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}
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}
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