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Bug 669603 - Part 2 - Add sessionStorage helpers to nsIDocShell; r=smaug,mayhemer

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This commit is contained in:
Tim Taubert 2012-07-05 12:12:55 +02:00
parent ff25e344eb
commit 7d954a7579
2 changed files with 45 additions and 1 deletions
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31
docshell/base/nsDocShell.cpp
View File

@ -2584,6 +2584,37 @@ nsDocShell::AddSessionStorage(nsIPrincipal* aPrincipal,
return NS_OK;
}
static PLDHashOperator
CloneSessionStorages(nsCStringHashKey::KeyType aKey, nsIDOMStorage* aStorage,
void* aUserArg)
{
nsIDocShell *docShell = static_cast<nsIDocShell*>(aUserArg);
nsCOMPtr<nsPIDOMStorage> pistorage = do_QueryInterface(aStorage);
if (pistorage) {
nsCOMPtr<nsIDOMStorage> storage = pistorage->Clone();
docShell->AddSessionStorage(pistorage->Principal(), storage);
}
return PL_DHASH_NEXT;
}
NS_IMETHODIMP
nsDocShell::CloneSessionStoragesTo(nsIDocShell* aDocShell)
{
aDocShell->ClearSessionStorages();
mStorages.EnumerateRead(CloneSessionStorages, aDocShell);
return NS_OK;
}
NS_IMETHODIMP
nsDocShell::ClearSessionStorages()
{
mStorages.Clear();
return NS_OK;
}
NS_IMETHODIMP
nsDocShell::GetCurrentDocumentChannel(nsIChannel** aResult)
{

15
docshell/base/nsIDocShell.idl
View File

@ -39,7 +39,7 @@ interface nsIWebBrowserPrint;
interface nsIVariant;
interface nsIPrivacyTransitionObserver;
[scriptable, uuid(6f60ac96-fa2c-41a5-92b4-29aaadbd7a7b)]
[scriptable, builtinclass, uuid(89ea9f32-18ec-413b-9e2c-ce9a4c851b1c)]
interface nsIDocShell : nsISupports
{
/**
@ -434,6 +434,19 @@ interface nsIDocShell : nsISupports
*/
void addSessionStorage(in nsIPrincipal principal, in nsIDOMStorage storage);
/**
* Clones all session storage objects and attaches them to the given docshell.
* Useful when duplicating tabs and their states.
*
* @param docShell the docshell to clone the sessionstorage objects to
*/
void cloneSessionStoragesTo(in nsIDocShell docShell);
/**
* Removes all WebApps session storage objects attached to the docshell.
*/
void clearSessionStorages();
/**
* Gets the channel for the currently loaded document, if any.
* For a new document load, this will be the channel of the previous document