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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "tools/UrlDataManager.h"
#include <unordered_map>
bool operator==(const SkData& a, const SkData& b) {
return a.equals(&b);
}
UrlDataManager::UrlDataManager(SkString rootUrl) : fRootUrl(rootUrl), fDataId(0) {}
SkString UrlDataManager::addData(SkData* data, const char* contentType) {
UrlData* urlData = fCache.find(*data);
if (fCache.find(*data)) {
SkASSERT(data->equals(urlData->fData.get()));
return urlData->fUrl;
}
urlData = new UrlData;
urlData->fData.reset(SkRef(data));
urlData->fContentType.set(contentType);
urlData->fUrl.appendf("%s/%d", fRootUrl.c_str(), fDataId++);
fCache.add(urlData);
SkASSERT(!fUrlLookup.find(urlData->fUrl));
fUrlLookup.add(urlData);
return urlData->fUrl;
}
void UrlDataManager::reset() {
fCache.foreach([&](UrlData* urlData) {
urlData->unref();
});
fCache.rewind();
}
void UrlDataManager::indexImages(const std::vector<sk_sp<SkImage>>& images) {
SkASSERT(imageMap.size() == 0); // this method meant only for initialization once.
for (size_t i = 0; i < images.size(); ++i) {
imageMap.insert({images[i].get(), i});
}
}
int UrlDataManager::lookupImage(const SkImage* im) {
auto search = imageMap.find(im);
if (search != imageMap.end()) {
return search->second;
} else {
// -1 signals the pointer to this image wasn't in the original list.
// Maybe it was synthesized after file load? If so, you shouldn't be looking it up here.
return -1;
}
}
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