void RemoveThumbnail(DisplayState& ds)
{
if (!HasThumbnail(ds))
return;
ScopedMem<WCHAR> bmpPath(GetThumbnailPath(ds.filePath));
if (bmpPath)
file::Delete(bmpPath);
delete ds.thumbnail;
ds.thumbnail = NULL;
}
void RemoveThumbnail(DisplayState& ds) {
if (!HasThumbnail(ds)) {
return;
}
AutoFreeW bmpPath(GetThumbnailPath(ds.filePath));
if (bmpPath) {
file::Delete(bmpPath);
}
delete ds.thumbnail;
ds.thumbnail = nullptr;
}
void SaveThumbnail(DisplayState& ds)
{
if (!ds.thumbnail)
return;
ScopedMem<WCHAR> bmpPath(GetThumbnailPath(ds.filePath));
if (!bmpPath)
return;
ScopedMem<WCHAR> thumbsPath(path::GetDir(bmpPath));
if (dir::Create(thumbsPath))
SaveRenderedBitmap(ds.thumbnail, bmpPath);
}
static bool LoadThumbnail(DisplayState& ds)
{
if (ds.thumbnail)
delete ds.thumbnail;
ds.thumbnail = NULL;
ScopedMem<WCHAR> bmpPath(GetThumbnailPath(ds.filePath));
if (!bmpPath)
return false;
ds.thumbnail = LoadRenderedBitmap(bmpPath);
return ds.thumbnail != NULL;
}
void SaveThumbnail(DisplayState& ds) {
if (!ds.thumbnail) {
return;
}
AutoFreeW bmpPath(GetThumbnailPath(ds.filePath));
if (!bmpPath) {
return;
}
AutoFreeW thumbsPath(path::GetDir(bmpPath));
if (dir::Create(thumbsPath)) {
CrashIf(!str::EndsWithI(bmpPath, L".png"));
Bitmap bmp(ds.thumbnail->GetBitmap(), nullptr);
CLSID tmpClsid = GetEncoderClsid(L"image/png");
bmp.Save(bmpPath.Get(), &tmpClsid, nullptr);
}
}
bool LoadThumbnail(DisplayState& ds) {
delete ds.thumbnail;
ds.thumbnail = nullptr;
AutoFreeW bmpPath(GetThumbnailPath(ds.filePath));
if (!bmpPath) {
return false;
}
RenderedBitmap* bmp = LoadRenderedBitmap(bmpPath);
if (!bmp || bmp->Size().IsEmpty()) {
delete bmp;
return false;
}
ds.thumbnail = bmp;
return true;
}
bool HasThumbnail(DisplayState& ds)
{
if (!ds.thumbnail && !LoadThumbnail(ds))
return false;
ScopedMem<WCHAR> bmpPath(GetThumbnailPath(ds.filePath));
if (!bmpPath)
return true;
FILETIME bmpTime = file::GetModificationTime(bmpPath);
FILETIME fileTime = file::GetModificationTime(ds.filePath);
// delete the thumbnail if the file is newer than the thumbnail
if (FileTimeDiffInSecs(fileTime, bmpTime) > 0) {
delete ds.thumbnail;
ds.thumbnail = NULL;
}
return ds.thumbnail != NULL;
}
bool HasThumbnail(DisplayState& ds) {
if (!ds.thumbnail && !LoadThumbnail(ds)) {
return false;
}
AutoFreeW bmpPath(GetThumbnailPath(ds.filePath));
if (!bmpPath) {
return true;
}
FILETIME bmpTime = file::GetModificationTime(bmpPath);
FILETIME fileTime = file::GetModificationTime(ds.filePath);
// delete the thumbnail if the file is newer than the thumbnail
if (FileTimeDiffInSecs(fileTime, bmpTime) > 0) {
delete ds.thumbnail;
ds.thumbnail = nullptr;
}
return ds.thumbnail != nullptr;
}
// removes thumbnails that don't belong to any frequently used item in file history
void CleanUpThumbnailCache(FileHistory& fileHistory)
{
ScopedMem<WCHAR> thumbsPath(AppGenDataFilename(THUMBNAILS_DIR_NAME));
if (!thumbsPath)
return;
ScopedMem<WCHAR> pattern(path::Join(thumbsPath, L"*.png"));
WStrVec files;
WIN32_FIND_DATA fdata;
HANDLE hfind = FindFirstFile(pattern, &fdata);
if (INVALID_HANDLE_VALUE == hfind)
return;
do {
if (!(fdata.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
files.Append(str::Dup(fdata.cFileName));
} while (FindNextFile(hfind, &fdata));
FindClose(hfind);
Vec<DisplayState *> list;
fileHistory.GetFrequencyOrder(list);
for (size_t i = 0; i < list.Count() && i < FILE_HISTORY_MAX_FREQUENT * 2; i++) {
ScopedMem<WCHAR> bmpPath(GetThumbnailPath(list.At(i)->filePath));
if (!bmpPath)
continue;
int idx = files.Find(path::GetBaseName(bmpPath));
if (idx != -1) {
CrashIf(idx < 0 || files.Count() <= (size_t)idx);
WCHAR *fileName = files.At(idx);
files.RemoveAt(idx);
free(fileName);
}
}
for (size_t i = 0; i < files.Count(); i++) {
ScopedMem<WCHAR> bmpPath(path::Join(thumbsPath, files.At(i)));
file::Delete(bmpPath);
}
}
