status_t
TouchpadPref::LoadSettings()
{
BPath path;
status_t status = GetSettingsPath(path);
if (status != B_OK)
return status;
BFile settingsFile(path.Path(), B_READ_ONLY);
status = settingsFile.InitCheck();
if (status != B_OK)
return status;
if (settingsFile.Read(&fSettings, sizeof(touchpad_settings))
!= sizeof(touchpad_settings)) {
LOG("failed to load settings\n");
return B_ERROR;
}
if (settingsFile.Read(&fWindowPosition, sizeof(BPoint))
!= sizeof(BPoint)) {
LOG("failed to load settings\n");
return B_ERROR;
}
return B_OK;
}
// called whenever global preferences change or a file is
// added or removed from gFileHistory (in order to keep
// the list of recently opened documents in sync)
bool Save()
{
// don't save preferences without the proper permission
if (!HasPermission(Perm_SavePreferences))
return false;
/* mark currently shown files as visible */
for (size_t i = 0; i < gWindows.Count(); i++) {
UpdateCurrentFileDisplayStateForWin(gWindows.At(i));
}
// remove entries which should (no longer) be remembered
gFileHistory.Purge(!gGlobalPrefs->rememberStatePerDocument);
// update display mode and zoom fields from internal values
str::ReplacePtr(&gGlobalPrefs->defaultDisplayMode, conv::FromDisplayMode(gGlobalPrefs->defaultDisplayModeEnum));
conv::FromZoom(&gGlobalPrefs->defaultZoom, gGlobalPrefs->defaultZoomFloat);
ScopedMem<WCHAR> path(GetSettingsPath());
CrashIf(!path);
if (!path)
return false;
size_t prevPrefsDataSize;
ScopedMem<char> prevPrefsData(file::ReadAll(path, &prevPrefsDataSize));
if (!gGlobalPrefs->rememberStatePerDocument || !gGlobalPrefs->rememberOpenedFiles) {
for (DisplayState **ds = gGlobalPrefs->fileStates->IterStart(); ds; ds = gGlobalPrefs->fileStates->IterNext()) {
(*ds)->useDefaultState = true;
}
// prevent unnecessary settings from being written out
uint16_t fieldCount = 0;
while (++fieldCount <= dimof(gFileStateFields)) {
// count the number of fields up to and including useDefaultState
if (gFileStateFields[fieldCount - 1].offset == offsetof(FileState, useDefaultState))
break;
}
// restore the correct fieldCount ASAP after serialization
gFileStateInfo.fieldCount = fieldCount;
}
size_t prefsDataSize;
ScopedMem<char> prefsData(SerializeStruct(&gGlobalPrefsInfo, gGlobalPrefs, prevPrefsData, &prefsDataSize));
if (!gGlobalPrefs->rememberStatePerDocument || !gGlobalPrefs->rememberOpenedFiles)
gFileStateInfo.fieldCount = dimof(gFileStateFields);
CrashIf(!prefsData || 0 == prefsDataSize);
if (!prefsData || 0 == prefsDataSize)
return false;
// only save if anything's changed at all
if (prevPrefsDataSize == prefsDataSize && str::Eq(prefsData, prevPrefsData))
return true;
FileTransaction trans;
bool ok = trans.WriteAll(path, prefsData, prefsDataSize) && trans.Commit();
if (!ok)
return false;
gGlobalPrefs->lastPrefUpdate = file::GetModificationTime(path);
return true;
}
status_t
TouchpadPref::SaveSettings()
{
BPath path;
status_t status = GetSettingsPath(path);
if (status != B_OK)
return status;
BFile settingsFile(path.Path(), B_READ_WRITE | B_CREATE_FILE);
status = settingsFile.InitCheck();
if (status != B_OK)
return status;
if (settingsFile.Write(&fSettings, sizeof(touchpad_settings))
!= sizeof(touchpad_settings)) {
LOG("can't save settings\n");
return B_ERROR;
}
if (settingsFile.Write(&fWindowPosition, sizeof(BPoint))
!= sizeof(BPoint)) {
LOG("can't save window position\n");
return B_ERROR;
}
return B_OK;
}
void MainWindowController::QuitRequested()
{
BPath settingsPath = GetSettingsPath();
BEntry appSettingsPath(settingsPath.Path());
_appSettings->SetFilePath(_makeFileLocation);
AppSettings::Save(_appSettings, appSettingsPath);
}
void RegisterForFileChanges()
{
if (!HasPermission(Perm_SavePreferences))
return;
CrashIf(gWatchedSettingsFile); // only call me once
ScopedMem<WCHAR> path(GetSettingsPath());
gWatchedSettingsFile = FileWatcherSubscribe(path, new SettingsFileObserver());
}
/* 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;
}
// refresh the preferences when a different SumatraPDF process saves them
// or if they are edited by the user using a text editor
bool Reload()
{
ScopedMem<WCHAR> path(GetSettingsPath());
if (!file::Exists(path))
return false;
// make sure that the settings file is readable - else wait
// a short while to prevent accidental dataloss
int tryAgainCount = 5;
HANDLE h = file::OpenReadOnly(path);
while (INVALID_HANDLE_VALUE == h && tryAgainCount-- > 0) {
Sleep(200);
h = file::OpenReadOnly(path);
}
if (INVALID_HANDLE_VALUE == h) {
// prefer not reloading to resetting all settings
return false;
}
ScopedHandle hScope(h);
FILETIME time = file::GetModificationTime(path);
if (FileTimeEq(time, gGlobalPrefs->lastPrefUpdate))
return true;
ScopedMem<char> uiLanguage(str::Dup(gGlobalPrefs->uiLanguage));
bool showToolbar = gGlobalPrefs->showToolbar;
bool invertColors = gGlobalPrefs->fixedPageUI.invertColors;
gFileHistory.UpdateStatesSource(NULL);
CleanUp();
bool ok = Load();
CrashAlwaysIf(!ok || !gGlobalPrefs);
gGlobalPrefs->fixedPageUI.invertColors = invertColors;
// TODO: about window doesn't have to be at position 0
if (gWindows.Count() > 0 && gWindows.At(0)->IsAboutWindow()) {
gWindows.At(0)->DeleteInfotip();
gWindows.At(0)->staticLinks.Reset();
gWindows.At(0)->RedrawAll(true);
}
if (!str::Eq(uiLanguage, gGlobalPrefs->uiLanguage))
SetCurrentLanguageAndRefreshUi(gGlobalPrefs->uiLanguage);
if (gGlobalPrefs->showToolbar != showToolbar)
ShowOrHideToolbarGlobally();
UpdateDocumentColors();
UpdateFavoritesTreeForAllWindows();
return true;
}
void MainWindowController::Init()
{
BPath settingsPath = GetSettingsPath();
BEntry appSettingsPath(settingsPath.Path());
if (!appSettingsPath.Exists())
{
_appSettings = std::shared_ptr<AppSettings>(new AppSettings);
std::cout << "New app settings" << std::endl;
return;
}
std::cout << "Load app settings" << std::endl;
_appSettings = AppSettings::Load(appSettingsPath);
BEntry makeFilePath = _appSettings->FilePath();
if (makeFilePath.Exists())
SetMakeFileLocation(makeFilePath);
}
