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/**
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* Copyright 2010-present Facebook.
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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.facebook;
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import android.os.Handler;
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class RequestProgress {
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private final Request request;
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private final Handler callbackHandler;
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private final long threshold;
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private long progress, lastReportedProgress, maxProgress;
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RequestProgress(Handler callbackHandler, Request request) {
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this.request = request;
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this.callbackHandler = callbackHandler;
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this.threshold = Settings.getOnProgressThreshold();
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}
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long getProgress() {
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return progress;
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}
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long getMaxProgress() {
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return maxProgress;
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}
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void addProgress(long size) {
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progress += size;
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if (progress >= lastReportedProgress + threshold || progress >= maxProgress) {
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reportProgress();
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}
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}
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void addToMax(long size) {
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maxProgress += size;
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}
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void reportProgress() {
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if (progress > lastReportedProgress) {
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Request.Callback callback = request.getCallback();
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if (maxProgress > 0 && callback instanceof Request.OnProgressCallback) {
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// Keep copies to avoid threading issues
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final long currentCopy = progress;
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final long maxProgressCopy = maxProgress;
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final Request.OnProgressCallback callbackCopy = (Request.OnProgressCallback) callback;
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if (callbackHandler == null) {
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callbackCopy.onProgress(currentCopy, maxProgressCopy);
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}
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else {
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callbackHandler.post(new Runnable() {
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@Override
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public void run() {
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callbackCopy.onProgress(currentCopy, maxProgressCopy);
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}
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});
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}
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lastReportedProgress = progress;
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}
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}
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}
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}
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