Adding upstream version 115.7.0esr.upstream/115.7.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 114 insertions, 0 deletions

diff --git a/toolkit/components/sessionstore/SessionStoreListener.h b/toolkit/components/sessionstore/SessionStoreListener.h
new file mode 100644
index 0000000000..2cd35a00f5
--- /dev/null
+++ b/toolkit/components/sessionstore/SessionStoreListener.h
@@ -0,0 +1,114 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* 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_dom_SessionStoreListener_h
+#define mozilla_dom_SessionStoreListener_h
+
+#include "SessionStoreData.h"
+#include "nsIDOMEventListener.h"
+#include "nsIObserver.h"
+#include "nsIPrivacyTransitionObserver.h"
+#include "nsIWebProgressListener.h"
+#include "nsWeakReference.h"
+
+class nsITimer;
+
+namespace mozilla::dom {
+
+class ContentSessionStore {
+ public:
+  explicit ContentSessionStore(nsIDocShell* aDocShell);
+  NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(ContentSessionStore)
+  NS_DECL_CYCLE_COLLECTION_NATIVE_CLASS(ContentSessionStore)
+
+  void OnPrivateModeChanged(bool aEnabled);
+  bool IsDocCapChanged() { return mDocCapChanged; }
+  nsCString GetDocShellCaps();
+  bool IsPrivateChanged() { return mPrivateChanged; }
+  bool GetPrivateModeEnabled();
+
+  void SetSHistoryChanged();
+  // request "collect sessionHistory" which is happened in the parent process
+  bool GetAndClearSHistoryChanged() {
+    bool ret = mSHistoryChanged;
+    mSHistoryChanged = false;
+    return ret;
+  }
+
+  void OnDocumentStart();
+  void OnDocumentEnd();
+  bool UpdateNeeded() {
+    return mPrivateChanged || mDocCapChanged || mSHistoryChanged;
+  }
+
+ private:
+  virtual ~ContentSessionStore() = default;
+  nsCString CollectDocShellCapabilities();
+
+  nsCOMPtr<nsIDocShell> mDocShell;
+  bool mPrivateChanged;
+  bool mIsPrivate;
+  bool mDocCapChanged;
+  nsCString mDocCaps;
+  // mSHistoryChanged means there are history changes which are found
+  // in the child process. The flag is set when
+  //    1. webProgress changes to STATE_START
+  //    2. webProgress changes to STATE_STOP
+  //    3. receiving "DOMTitleChanged" event
+  bool mSHistoryChanged;
+};
+
+class TabListener : public nsIDOMEventListener,
+                    public nsIObserver,
+                    public nsIPrivacyTransitionObserver,
+                    public nsIWebProgressListener,
+                    public nsSupportsWeakReference {
+ public:
+  explicit TabListener(nsIDocShell* aDocShell, Element* aElement);
+  EventTarget* GetEventTarget();
+  nsresult Init();
+  ContentSessionStore* GetSessionStore() { return mSessionStore; }
+  // the function is called only when TabListener is in parent process
+  void ForceFlushFromParent();
+  void RemoveListeners();
+  void SetEpoch(uint32_t aEpoch) { mEpoch = aEpoch; }
+  uint32_t GetEpoch() { return mEpoch; }
+  void UpdateSHistoryChanges() { AddTimerForUpdate(); }
+  void SetOwnerContent(Element* aElement);
+
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(TabListener, nsIDOMEventListener)
+
+  NS_DECL_NSIDOMEVENTLISTENER
+  NS_DECL_NSIOBSERVER
+  NS_DECL_NSIPRIVACYTRANSITIONOBSERVER
+  NS_DECL_NSIWEBPROGRESSLISTENER
+
+ private:
+  static void TimerCallback(nsITimer* aTimer, void* aClosure);
+  void AddTimerForUpdate();
+  void StopTimerForUpdate();
+  void AddEventListeners();
+  void RemoveEventListeners();
+  void UpdateSessionStore(bool aIsFlush = false);
+  virtual ~TabListener();
+
+  nsCOMPtr<nsIDocShell> mDocShell;
+  RefPtr<ContentSessionStore> mSessionStore;
+  RefPtr<mozilla::dom::Element> mOwnerContent;
+  bool mProgressListenerRegistered;
+  bool mEventListenerRegistered;
+  bool mPrefObserverRegistered;
+  // Timer used to update data
+  nsCOMPtr<nsITimer> mUpdatedTimer;
+  bool mTimeoutDisabled;
+  int32_t mUpdateInterval;
+  uint32_t mEpoch;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_SessionStoreListener_h