gecko-dev/toolkit/components/places/nsAndroidHistory.cpp
2012-05-21 12:12:37 +01:00

137 lines
3.0 KiB
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsAndroidHistory.h"
#include "AndroidBridge.h"
#include "Link.h"
using namespace mozilla;
using mozilla::dom::Link;
NS_IMPL_ISUPPORTS1(nsAndroidHistory, IHistory)
nsAndroidHistory* nsAndroidHistory::sHistory = NULL;
/*static*/
nsAndroidHistory*
nsAndroidHistory::GetSingleton()
{
if (!sHistory) {
sHistory = new nsAndroidHistory();
NS_ENSURE_TRUE(sHistory, nsnull);
}
NS_ADDREF(sHistory);
return sHistory;
}
nsAndroidHistory::nsAndroidHistory()
{
mListeners.Init();
}
NS_IMETHODIMP
nsAndroidHistory::RegisterVisitedCallback(nsIURI *aURI, Link *aContent)
{
if (!aContent || !aURI)
return NS_OK;
nsCAutoString uri;
nsresult rv = aURI->GetSpec(uri);
if (NS_FAILED(rv)) return rv;
NS_ConvertUTF8toUTF16 uriString(uri);
nsTArray<Link*>* list = mListeners.Get(uriString);
if (! list) {
list = new nsTArray<Link*>();
mListeners.Put(uriString, list);
}
list->AppendElement(aContent);
AndroidBridge *bridge = AndroidBridge::Bridge();
if (bridge) {
bridge->CheckURIVisited(uriString);
}
return NS_OK;
}
NS_IMETHODIMP
nsAndroidHistory::UnregisterVisitedCallback(nsIURI *aURI, Link *aContent)
{
if (!aContent || !aURI)
return NS_OK;
nsCAutoString uri;
nsresult rv = aURI->GetSpec(uri);
if (NS_FAILED(rv)) return rv;
NS_ConvertUTF8toUTF16 uriString(uri);
nsTArray<Link*>* list = mListeners.Get(uriString);
if (! list)
return NS_OK;
list->RemoveElement(aContent);
if (list->IsEmpty()) {
mListeners.Remove(uriString);
delete list;
}
return NS_OK;
}
NS_IMETHODIMP
nsAndroidHistory::VisitURI(nsIURI *aURI, nsIURI *aLastVisitedURI, PRUint32 aFlags)
{
if (!aURI)
return NS_OK;
if (!(aFlags & VisitFlags::TOP_LEVEL))
return NS_OK;
AndroidBridge *bridge = AndroidBridge::Bridge();
if (bridge) {
nsCAutoString uri;
nsresult rv = aURI->GetSpec(uri);
if (NS_FAILED(rv)) return rv;
NS_ConvertUTF8toUTF16 uriString(uri);
bridge->MarkURIVisited(uriString);
}
return NS_OK;
}
NS_IMETHODIMP
nsAndroidHistory::SetURITitle(nsIURI *aURI, const nsAString& aTitle)
{
// we don't do anything with this right now
return NS_OK;
}
void /*static*/
nsAndroidHistory::NotifyURIVisited(const nsString& aUriString)
{
if (! sHistory)
return;
sHistory->mPendingURIs.Push(aUriString);
NS_DispatchToMainThread(sHistory);
}
NS_IMETHODIMP
nsAndroidHistory::Run()
{
while (! mPendingURIs.IsEmpty()) {
nsString uriString = mPendingURIs.Pop();
nsTArray<Link*>* list = sHistory->mListeners.Get(uriString);
if (list) {
for (unsigned int i = 0; i < list->Length(); i++) {
list->ElementAt(i)->SetLinkState(eLinkState_Visited);
}
// as per the IHistory interface contract, remove the
// Link pointers once they have been notified
mListeners.Remove(uriString);
delete list;
}
}
return NS_OK;
}