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Bug 758463 - Windows XP does not clear prefetch on updates. r=jimm

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This commit is contained in:
Brian R. Bondy
2012-06-15 10:37:55 -04:00
parent 8607d5bac0
commit ca0c477771
3 changed files with 16 additions and 24 deletions
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20
browser/components/shell/src/nsWindowsShellService.cpp
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@@ -201,7 +201,8 @@ static SETTING gDDESettings[] = {
#include "updatehelper.h"
#include "updatehelper.cpp"
static const char kPrefetchClearedPref[] = "app.update.service.prefetchCleared";
static const char *kPrefetchClearedPref =
"app.update.service.lastVersionPrefetchCleared";
static nsCOMPtr<nsIThread> sThread;
#endif
@@ -1016,17 +1017,20 @@ nsWindowsShellService::nsWindowsShellService() :
}
// check to see if we have attempted to do the one time operation of clearing
// the prefetch.
bool prefetchCleared;
// the prefetch. We do it once per version upgrade.
nsCString lastClearedVer;
nsCOMPtr<nsIPrefBranch> prefBranch;
nsCOMPtr<nsIPrefService> prefs =
do_GetService(NS_PREFSERVICE_CONTRACTID);
if (!prefs ||
NS_FAILED(prefs->GetBranch(nsnull, getter_AddRefs(prefBranch))) ||
(NS_SUCCEEDED(prefBranch->GetBoolPref(kPrefetchClearedPref,
&prefetchCleared)) &&
prefetchCleared)) {
return;
(NS_SUCCEEDED(prefBranch->GetCharPref(kPrefetchClearedPref,
getter_Copies(lastClearedVer))))) {
// If the versions are the same, then bail out early. We only want to clear
// once per version.
if (!strcmp(MOZ_APP_VERSION, lastClearedVer.get())) {
return;
}
}
// In a minute after startup is definitely complete, launch the
@@ -1097,7 +1101,7 @@ nsWindowsShellService::LaunchPrefetchClearCommand(nsITimer *aTimer, void*)
do_GetService(NS_PREFSERVICE_CONTRACTID);
if (prefs) {
if (NS_SUCCEEDED(prefs->GetBranch(nsnull, getter_AddRefs(prefBranch)))) {
prefBranch->SetBoolPref(kPrefetchClearedPref, true);
prefBranch->SetCharPref(kPrefetchClearedPref, MOZ_APP_VERSION);
}
}