(C) An X-Ryl669 project 2007
This document describes Unlimited Zooming Interface source code. UZI stands for Unlimited Zooming Interface, and source code license is
00001 #ifndef hpp_CPP_DocumentFetcher_CPP_hpp 00002 #define hpp_CPP_DocumentFetcher_CPP_hpp 00003 00004 // We need download job declaration 00005 #include "DownloadJob.hpp" 00006 00007 namespace UZI 00008 { 00010 class DocumentFetcher : public Cache::RequiredFetcherImplementation 00011 { 00012 // Members 00013 private: 00015 juce::ThreadPool threadPool; 00016 00017 // RequiredFetcherImplementation interface 00018 public: 00028 virtual bool queueDocumentToFetch(volatile Cache::Item & item, void * opaque = 0) 00029 { 00030 DownloadJob * job = new DownloadJob(); 00031 if (!job) return false; 00032 if (!job->queueItemToFetch(&item, (juce::String *)opaque)) return false; 00033 threadPool.addJob(job); 00034 return true; 00035 } 00036 00051 virtual uint32 isItemFetched(volatile Cache::Item & item) const 00052 { 00053 switch (item.getStatus()) 00054 { 00055 case Cache::Item::Ready: 00056 return item.getDataSize(); 00057 case Cache::Item::WaitingFetching: 00058 return -1; // Boolean result, either the item is fully fetched or it's not. 00059 default: 00060 return -1; 00061 } 00062 } 00063 00064 // Construction / Destruction 00065 public: 00066 DocumentFetcher() : threadPool(5, false, 0) {} 00067 ~DocumentFetcher() { threadPool.removeAllJobs(true, 2000); } 00068 }; 00069 00070 } 00071 00072 #endif