Examples with PageCacheFile org.ebookdroid.common.cache.PageCacheFile used on opensource projects

Example 1 with PageCacheFile

use of org.ebookdroid.common.cache.PageCacheFile in project LibreraReader by foobnix.

the class DocumentModel method retrievePagesInfo.

private CodecPageInfo[] retrievePagesInfo(final IActivityController base, final BookSettings bs, final IProgressIndicator task) {
    int pagesCount = base.getDecodeService().getPageCount();
    final PageCacheFile pagesFile = CacheManager.getPageFile(bs.fileName, pagesCount);
    try {
        if (pagesCount > 0) {
            FileMeta meta = AppDB.get().load(bs.fileName);
            if (meta != null) {
                meta.setPages(pagesCount);
                AppDB.get().update(meta);
            }
        }
    } catch (Exception e) {
        LOG.e(e);
    }
    if (decodeService.isPageSizeCacheable() && pagesFile.exists()) {
        final CodecPageInfo[] infos = pagesFile.load();
        if (infos != null && infos.length == decodeService.getPageCount()) {
            return infos;
        }
    }
    final CodecPageInfo[] infos = new CodecPageInfo[decodeService.getPageCount()];
    final CodecPageInfo unified = decodeService.getUnifiedPageInfo();
    for (int i = 0; i < infos.length; i++) {
        if (TempHolder.get().loadingCancelled) {
            return null;
        }
        infos[i] = unified != null ? unified : decodeService.getPageInfo(i);
    }
    if (decodeService.isPageSizeCacheable()) {
        pagesFile.save(infos);
    }
    return infos;
}