150 lines
3.7 KiB
Java
150 lines
3.7 KiB
Java
/*
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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.drawable;
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import android.graphics.drawable.Drawable;
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import android.support.annotation.NonNull;
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import android.util.Log;
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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.Unikery;
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import com.hippo.image.ImageBitmap;
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import com.hippo.image.ImageDrawable;
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import com.hippo.image.RecycledException;
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import com.hippo.widget.ObservedTextView;
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public class UnikeryDrawable extends WrapDrawable implements Unikery<ImageBitmap>,
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ObservedTextView.OnWindowAttachListener {
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private static final String TAG = UnikeryDrawable.class.getSimpleName();
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private int mTaskId = Unikery.INVALID_ID;
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private final ObservedTextView mTextView;
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private final Conaco<ImageBitmap> mConaco;
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private String mUrl;
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public UnikeryDrawable(ObservedTextView textView, Conaco<ImageBitmap> conaco) {
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mTextView = textView;
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mTextView.setOnWindowAttachListener(this);
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mConaco = conaco;
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}
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@Override
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public void onAttachedToWindow() {
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load(mUrl);
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}
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@Override
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public void onDetachedFromWindow() {
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mConaco.cancel(this);
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clearDrawable();
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}
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public void load(String url) {
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if (url != null) {
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mUrl = url;
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mConaco.load(new ConacoTask.Builder<ImageBitmap>().setUnikery(this).setUrl(url).setKey(url));
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}
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}
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private void clearDrawable() {
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Drawable drawable = getDrawable();
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if (drawable instanceof ImageDrawable) {
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((ImageDrawable) drawable).recycle();
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}
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setDrawable(null);
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}
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@Override
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public void setDrawable(Drawable drawable) {
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// Remove old callback
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Drawable oldDrawable = getDrawable();
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if (oldDrawable != null) {
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oldDrawable.setCallback(null);
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}
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super.setDrawable(drawable);
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if (drawable != null) {
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drawable.setCallback(mTextView);
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}
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updateBounds();
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if (drawable != null) {
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invalidateSelf();
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}
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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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@Override
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public void invalidateSelf() {
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CharSequence cs = mTextView.getText();
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mTextView.setText(cs);
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}
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@Override
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public void onMiss(int source) {}
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@Override
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public void onRequest() {}
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@Override
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public void onProgress(long singleReceivedSize, long receivedSize, long totalSize) {}
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@Override
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public void onWait() {}
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@Override
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public boolean onGetValue(@NonNull ImageBitmap value, int source) {
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ImageDrawable drawable;
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try {
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drawable = new ImageDrawable(value);
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} catch (RecycledException e) {
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Log.d(TAG, "The ImageBitmap is recycled", e);
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return false;
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}
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clearDrawable();
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setDrawable(drawable);
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drawable.start();
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return true;
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}
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@Override
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public void onFailure() {
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// Empty
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}
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@Override
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public void onCancel() {
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// Empty
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}
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}
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