static void DeserializePrefs(const char *prefsTxt, SerializableGlobalPrefs& globalPrefs,
FileHistory& fh, Favorites *favs)
{
BencObj *obj = BencObj::Decode(prefsTxt);
if (!obj || obj->Type() != BT_DICT)
goto Exit;
BencDict *prefs = static_cast<BencDict *>(obj);
BencDict *global = prefs->GetDict(GLOBAL_PREFS_STR);
if (!global)
goto Exit;
DeserializeStruct(gGlobalPrefInfo, dimof(gGlobalPrefInfo), &globalPrefs, global);
free(globalPrefs.prevSerialization);
globalPrefs.prevSerialization = global->Encode();
int weekDiff = GetWeekCount() - globalPrefs.openCountWeek;
globalPrefs.openCountWeek = GetWeekCount();
BencArray *fileHistory = prefs->GetArray(FILE_HISTORY_STR);
if (!fileHistory)
goto Exit;
size_t dlen = fileHistory->Length();
for (size_t i = 0; i < dlen; i++) {
BencDict *dict = fileHistory->GetDict(i);
assert(dict);
if (!dict) continue;
DisplayState *state = DeserializeDisplayState(dict, globalPrefs.globalPrefsOnly);
if (state) {
// "age" openCount statistics (cut in in half after every week)
state->openCount >>= weekDiff;
fh.Append(state);
}
}
BencArray *favsArr = prefs->GetArray(FAVS_STR);
if (!favsArr)
goto Exit;
for (size_t i = 0; i < favsArr->Length(); i += 2) {
BencString *filePathBenc = favsArr->GetString(i);
BencArray *favData = favsArr->GetArray(i+1);
if (!filePathBenc || !favData)
break;
ScopedMem<WCHAR> filePath(filePathBenc->Value());
for (size_t j = 0; j < favData->Length(); j += 2) {
// we're lenient about errors
BencInt *pageNoBenc = favData->GetInt(j);
BencString *nameBenc = favData->GetString(j + 1);
if (!pageNoBenc || !nameBenc)
break;
int pageNo = (int)pageNoBenc->Value();
ScopedMem<WCHAR> name(nameBenc->Value());
favs->AddOrReplace(filePath, pageNo, EmptyToNull(name));
}
}
Exit:
delete obj;
}
Favorite *NewFavorite(int pageNo, const WCHAR *name, const WCHAR *pageLabel)
{
Favorite *fav = (Favorite *)DeserializeStruct(&gFavoriteInfo, nullptr);
fav->pageNo = pageNo;
fav->name = str::Dup(name);
fav->pageLabel = str::Dup(pageLabel);
return fav;
}
/* Caller needs to prefs::CleanUp() */
bool Load()
{
CrashIf(gGlobalPrefs);
ScopedMem<WCHAR> path(GetSettingsPath());
ScopedMem<char> prefsData(file::ReadAll(path, NULL));
gGlobalPrefs = (GlobalPrefs *)DeserializeStruct(&gGlobalPrefsInfo, prefsData);
CrashAlwaysIf(!gGlobalPrefs);
#ifdef DISABLE_EBOOK_UI
if (!file::Exists(path))
gGlobalPrefs->ebookUI.useFixedPageUI = gGlobalPrefs->chmUI.useFixedPageUI = true;
#endif
#ifdef DISABLE_TABS
if (!file::Exists(path))
gGlobalPrefs->useTabs = false;
#endif
if (!gGlobalPrefs->uiLanguage || !trans::ValidateLangCode(gGlobalPrefs->uiLanguage)) {
// guess the ui language on first start
str::ReplacePtr(&gGlobalPrefs->uiLanguage, trans::DetectUserLang());
}
gGlobalPrefs->lastPrefUpdate = file::GetModificationTime(path);
gGlobalPrefs->defaultDisplayModeEnum = conv::ToDisplayMode(gGlobalPrefs->defaultDisplayMode, DM_AUTOMATIC);
gGlobalPrefs->defaultZoomFloat = conv::ToZoom(gGlobalPrefs->defaultZoom, ZOOM_ACTUAL_SIZE);
CrashIf(!IsValidZoom(gGlobalPrefs->defaultZoomFloat));
int weekDiff = GetWeekCount() - gGlobalPrefs->openCountWeek;
gGlobalPrefs->openCountWeek = GetWeekCount();
if (weekDiff > 0) {
// "age" openCount statistics (cut in in half after every week)
for (DisplayState **ds = gGlobalPrefs->fileStates->IterStart(); ds; ds = gGlobalPrefs->fileStates->IterNext()) {
(*ds)->openCount >>= weekDiff;
}
}
// make sure that zoom levels are in the order expected by DisplayModel
gGlobalPrefs->zoomLevels->Sort(cmpFloat);
while (gGlobalPrefs->zoomLevels->Count() > 0 &&
gGlobalPrefs->zoomLevels->At(0) < ZOOM_MIN) {
gGlobalPrefs->zoomLevels->PopAt(0);
}
while (gGlobalPrefs->zoomLevels->Count() > 0 &&
gGlobalPrefs->zoomLevels->Last() > ZOOM_MAX) {
gGlobalPrefs->zoomLevels->Pop();
}
// TODO: verify that all states have a non-NULL file path?
gFileHistory.UpdateStatesSource(gGlobalPrefs->fileStates);
SetDefaultEbookFont(gGlobalPrefs->ebookUI.fontName, gGlobalPrefs->ebookUI.fontSize);
if (!file::Exists(path))
Save();
return true;
}
TabState *NewTabState(DisplayState *ds)
{
TabState *state = (TabState *)DeserializeStruct(&gTabStateInfo, nullptr);
str::ReplacePtr(&state->filePath, ds->filePath);
str::ReplacePtr(&state->displayMode, ds->displayMode);
state->pageNo = ds->pageNo;
str::ReplacePtr(&state->zoom, ds->zoom);
state->rotation = ds->rotation;
state->scrollPos = ds->scrollPos;
state->showToc = ds->showToc;
*state->tocState = *ds->tocState;
return state;
}
static DisplayState * DeserializeDisplayState(BencDict *dict, bool globalPrefsOnly)
{
DisplayState *ds = new DisplayState();
if (!ds)
return NULL;
DeserializeStruct(gFilePrefInfo, dimof(gFilePrefInfo), ds, dict);
if (!ds->filePath) {
delete ds;
return NULL;
}
// work-around https://code.google.com/p/sumatrapdf/issues/detail?id=2140
if (!IsValidZoom(ds->zoomVirtual))
ds->zoomVirtual = 100.f;
return ds;
}
SessionData *NewSessionData()
{
return (SessionData *)DeserializeStruct(&gSessionDataInfo, nullptr);
}
GlobalPrefs *NewGlobalPrefs(const char *data)
{
return (GlobalPrefs *)DeserializeStruct(&gGlobalPrefsInfo, data);
}
DisplayState *NewDisplayState(const WCHAR *filePath)
{
DisplayState *ds = (DisplayState *)DeserializeStruct(&gFileStateInfo, nullptr);
str::ReplacePtr(&ds->filePath, filePath);
return ds;
}
