forked from mirrors/gecko-dev
100 lines
3 KiB
C++
100 lines
3 KiB
C++
/* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef NS_ANDROIDHISTORY_H
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#define NS_ANDROIDHISTORY_H
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#include "IHistory.h"
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#include "nsDataHashtable.h"
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#include "nsTPriorityQueue.h"
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#include "nsINamed.h"
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#include "nsIRunnable.h"
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#include "nsIURI.h"
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#include "nsITimer.h"
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#define NS_ANDROIDHISTORY_CID \
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{0xCCAA4880, 0x44DD, 0x40A7, {0xA1, 0x3F, 0x61, 0x56, 0xFC, 0x88, 0x2C, 0x0B}}
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// Max size of History::mRecentlyVisitedURIs
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#define RECENTLY_VISITED_URI_SIZE 8
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// Max size of History::mEmbedURIs
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#define EMBED_URI_SIZE 128
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class nsAndroidHistory final : public mozilla::IHistory,
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public nsIRunnable,
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public nsITimerCallback,
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public nsINamed
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_IHISTORY
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NS_DECL_NSIRUNNABLE
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NS_DECL_NSITIMERCALLBACK
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NS_DECL_NSINAMED
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/**
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* Obtains a pointer that has had AddRef called on it. Used by the service
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* manager only.
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*/
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static already_AddRefed<nsAndroidHistory> GetSingleton();
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nsAndroidHistory();
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private:
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~nsAndroidHistory() {}
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static nsAndroidHistory* sHistory;
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// Will mimic the value of the places.history.enabled preference.
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bool mHistoryEnabled;
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void LoadPrefs();
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bool ShouldRecordHistory();
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nsresult CanAddURI(nsIURI* aURI, bool* canAdd);
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/**
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* We need to manage data used to determine a:visited status.
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*/
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nsDataHashtable<nsStringHashKey, nsTArray<mozilla::dom::Link *> *> mListeners;
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nsTPriorityQueue<nsString> mPendingLinkURIs;
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/**
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* Redirection (temporary and permanent) flags are sent with the redirected
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* URI, not the original URI. Since we want to ignore the original URI, we
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* need to cache the pending visit and make sure it doesn't redirect.
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*/
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RefPtr<nsITimer> mTimer;
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typedef AutoTArray<nsCOMPtr<nsIURI>, RECENTLY_VISITED_URI_SIZE> PendingVisitArray;
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PendingVisitArray mPendingVisitURIs;
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bool RemovePendingVisitURI(nsIURI* aURI);
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void SaveVisitURI(nsIURI* aURI);
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/**
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* mRecentlyVisitedURIs remembers URIs which are recently added to the DB,
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* to avoid saving these locations repeatedly in a short period.
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*/
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typedef AutoTArray<nsCOMPtr<nsIURI>, RECENTLY_VISITED_URI_SIZE> RecentlyVisitedArray;
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RecentlyVisitedArray mRecentlyVisitedURIs;
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RecentlyVisitedArray::index_type mRecentlyVisitedURIsNextIndex;
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void AppendToRecentlyVisitedURIs(nsIURI* aURI);
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bool IsRecentlyVisitedURI(nsIURI* aURI);
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/**
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* mEmbedURIs remembers URIs which are explicitly not added to the DB,
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* to avoid wasting time on these locations.
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*/
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typedef AutoTArray<nsCOMPtr<nsIURI>, EMBED_URI_SIZE> EmbedArray;
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EmbedArray::index_type mEmbedURIsNextIndex;
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EmbedArray mEmbedURIs;
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void AppendToEmbedURIs(nsIURI* aURI);
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bool IsEmbedURI(nsIURI* aURI);
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};
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#endif
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