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/* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* 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/. */
#ifndef NS_ANDROIDHISTORY_H
#define NS_ANDROIDHISTORY_H
#include "IHistory.h"
#include "nsDataHashtable.h"
#include "nsTPriorityQueue.h"
#include "nsIRunnable.h"
#include "nsIURI.h"
#include "nsITimer.h"
#define NS_ANDROIDHISTORY_CID \
{0xCCAA4880, 0x44DD, 0x40A7, {0xA1, 0x3F, 0x61, 0x56, 0xFC, 0x88, 0x2C, 0x0B}}
// Max size of History::mRecentlyVisitedURIs
#define RECENTLY_VISITED_URI_SIZE 8
// Max size of History::mEmbedURIs
#define EMBED_URI_SIZE 128
class nsAndroidHistory final : public mozilla::IHistory,
public nsIRunnable,
public nsITimerCallback
{
public:
NS_DECL_ISUPPORTS
NS_DECL_IHISTORY
NS_DECL_NSIRUNNABLE
NS_DECL_NSITIMERCALLBACK
/**
* Obtains a pointer that has had AddRef called on it. Used by the service
* manager only.
*/
static nsAndroidHistory* GetSingleton();
nsAndroidHistory();
private:
~nsAndroidHistory() {}
static nsAndroidHistory* sHistory;
// Will mimic the value of the places.history.enabled preference.
bool mHistoryEnabled;
void LoadPrefs();
bool ShouldRecordHistory();
nsresult CanAddURI(nsIURI* aURI, bool* canAdd);
/**
* We need to manage data used to determine a:visited status.
*/
nsDataHashtable<nsStringHashKey, nsTArray<mozilla::dom::Link *> *> mListeners;
nsTPriorityQueue<nsString> mPendingLinkURIs;
/**
* Redirection (temporary and permanent) flags are sent with the redirected
* URI, not the original URI. Since we want to ignore the original URI, we
* need to cache the pending visit and make sure it doesn't redirect.
*/
RefPtr<nsITimer> mTimer;
typedef AutoTArray<nsCOMPtr<nsIURI>, RECENTLY_VISITED_URI_SIZE> PendingVisitArray;
PendingVisitArray mPendingVisitURIs;
bool RemovePendingVisitURI(nsIURI* aURI);
void SaveVisitURI(nsIURI* aURI);
/**
* mRecentlyVisitedURIs remembers URIs which are recently added to the DB,
* to avoid saving these locations repeatedly in a short period.
*/
typedef AutoTArray<nsCOMPtr<nsIURI>, RECENTLY_VISITED_URI_SIZE> RecentlyVisitedArray;
RecentlyVisitedArray mRecentlyVisitedURIs;
RecentlyVisitedArray::index_type mRecentlyVisitedURIsNextIndex;
void AppendToRecentlyVisitedURIs(nsIURI* aURI);
bool IsRecentlyVisitedURI(nsIURI* aURI);
/**
* mEmbedURIs remembers URIs which are explicitly not added to the DB,
* to avoid wasting time on these locations.
*/
typedef AutoTArray<nsCOMPtr<nsIURI>, EMBED_URI_SIZE> EmbedArray;
EmbedArray::index_type mEmbedURIsNextIndex;
EmbedArray mEmbedURIs;
void AppendToEmbedURIs(nsIURI* aURI);
bool IsEmbedURI(nsIURI* aURI);
};
#endif
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