nsLayoutStylesheetCache::nsLayoutStylesheetCache()
{
nsCOMPtr<nsIObserverService> obsSvc =
do_GetService("@mozilla.org/observer-service;1");
NS_ASSERTION(obsSvc, "No global observer service?");
if (obsSvc) {
obsSvc->AddObserver(this, "profile-before-change", PR_FALSE);
obsSvc->AddObserver(this, "profile-do-change", PR_FALSE);
obsSvc->AddObserver(this, "chrome-flush-skin-caches", PR_FALSE);
obsSvc->AddObserver(this, "chrome-flush-caches", PR_FALSE);
}
InitFromProfile();
}
nsresult
nsLayoutStylesheetCache::Observe(nsISupports* aSubject,
const char* aTopic,
const PRUnichar* aData)
{
if (!strcmp(aTopic, "profile-before-change")) {
mUserContentSheet = nullptr;
mUserChromeSheet = nullptr;
}
else if (!strcmp(aTopic, "profile-do-change")) {
InitFromProfile();
}
else if (strcmp(aTopic, "chrome-flush-skin-caches") == 0 ||
strcmp(aTopic, "chrome-flush-caches") == 0) {
mScrollbarsSheet = nullptr;
mFormsSheet = nullptr;
}
else {
NS_NOTREACHED("Unexpected observer topic.");
}
return NS_OK;
}
nsLayoutStylesheetCache::nsLayoutStylesheetCache()
{
nsCOMPtr<nsIObserverService> obsSvc =
mozilla::services::GetObserverService();
NS_ASSERTION(obsSvc, "No global observer service?");
if (obsSvc) {
obsSvc->AddObserver(this, "profile-before-change", false);
obsSvc->AddObserver(this, "profile-do-change", false);
obsSvc->AddObserver(this, "chrome-flush-skin-caches", false);
obsSvc->AddObserver(this, "chrome-flush-caches", false);
}
InitFromProfile();
// And make sure that we load our UA sheets. No need to do this
// per-profile, since they're profile-invariant.
nsCOMPtr<nsIURI> uri;
NS_NewURI(getter_AddRefs(uri), "resource://gre-resources/ua.css");
if (uri) {
LoadSheet(uri, mUASheet, true);
}
NS_ASSERTION(mUASheet, "Could not load ua.css");
NS_NewURI(getter_AddRefs(uri), "resource://gre-resources/quirk.css");
if (uri) {
LoadSheet(uri, mQuirkSheet, true);
}
NS_ASSERTION(mQuirkSheet, "Could not load quirk.css");
NS_NewURI(getter_AddRefs(uri), "resource://gre-resources/full-screen-override.css");
if (uri) {
LoadSheet(uri, mFullScreenOverrideSheet, true);
}
NS_ASSERTION(mFullScreenOverrideSheet, "Could not load full-screen-override.css");
mReporter = new LayoutStyleSheetCacheReporter();
NS_RegisterMemoryReporter(mReporter);
}
