зеркало из https://github.com/mozilla/gecko-dev.git
77 строки
2.5 KiB
C++
77 строки
2.5 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/. */
|
|
|
|
#ifndef mozilla_BaseHistory_h
|
|
#define mozilla_BaseHistory_h
|
|
|
|
#include "IHistory.h"
|
|
#include "mozilla/dom/ContentParent.h"
|
|
|
|
/* A base class for history implementations that implement link coloring. */
|
|
|
|
namespace mozilla {
|
|
|
|
class BaseHistory : public IHistory {
|
|
public:
|
|
void RegisterVisitedCallback(nsIURI*, dom::Link*) final;
|
|
void UnregisterVisitedCallback(nsIURI*, dom::Link*) final;
|
|
void NotifyVisited(nsIURI*, VisitedStatus) final;
|
|
|
|
protected:
|
|
void NotifyVisitedInThisProcess(nsIURI*, VisitedStatus);
|
|
void NotifyVisitedFromParent(nsIURI*, VisitedStatus);
|
|
static constexpr const size_t kTrackedUrisInitialSize = 64;
|
|
|
|
BaseHistory();
|
|
~BaseHistory();
|
|
|
|
using ObserverArray = nsTObserverArray<dom::Link*>;
|
|
struct ObservingLinks {
|
|
ObserverArray mLinks;
|
|
VisitedStatus mStatus = VisitedStatus::Unknown;
|
|
|
|
size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const {
|
|
return mLinks.ShallowSizeOfExcludingThis(aMallocSizeOf);
|
|
}
|
|
};
|
|
|
|
using PendingVisitedQueries = nsTHashtable<nsURIHashKey>;
|
|
using PendingVisitedResults = nsTArray<mozilla::dom::VisitedQueryResult>;
|
|
|
|
// Starts all the queries in the pending queries list, potentially at the same
|
|
// time.
|
|
virtual void StartPendingVisitedQueries(const PendingVisitedQueries&) = 0;
|
|
|
|
private:
|
|
void ScheduleVisitedQuery(nsIURI*);
|
|
|
|
// Cancels a visited query, if it is at all possible, because we know we won't
|
|
// use the results anymore.
|
|
void CancelVisitedQueryIfPossible(nsIURI*);
|
|
|
|
void SendPendingVisitedResultsToChildProcesses();
|
|
|
|
protected:
|
|
// A map from URI to links that depend on that URI, and whether that URI is
|
|
// known-to-be-visited-or-unvisited already.
|
|
nsDataHashtable<nsURIHashKey, ObservingLinks> mTrackedURIs;
|
|
|
|
private:
|
|
// The set of pending URIs that we haven't queried yet but need to.
|
|
PendingVisitedQueries mPendingQueries;
|
|
// The set of pending query results that we still haven't dispatched to child
|
|
// processes.
|
|
PendingVisitedResults mPendingResults;
|
|
// Whether we've successfully scheduled a runnable to call
|
|
// StartPendingVisitedQueries already.
|
|
bool mStartPendingVisitedQueriesScheduled = false;
|
|
// Whether we've successfully scheduled a runnable to call
|
|
// SendPendingVisitedResultsToChildProcesses already.
|
|
bool mStartPendingResultsScheduled = false;
|
|
};
|
|
|
|
} // namespace mozilla
|
|
|
|
#endif
|