mirror of
https://github.com/mozilla/gecko-dev.git
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baee2f562d
We now cache the shortcuts permission in a synced field on `WindowContext`. This will allow checking the permission quickly and without IPC when Fission is enabled and the top-level document is in another process. Differential Revision: https://phabricator.services.mozilla.com/D84182
246 lines
10 KiB
C++
246 lines
10 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 mozilla_dom_WindowContext_h
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#define mozilla_dom_WindowContext_h
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#include "mozilla/PermissionDelegateHandler.h"
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#include "mozilla/Span.h"
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#include "mozilla/dom/MaybeDiscarded.h"
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#include "mozilla/dom/SyncedContext.h"
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#include "nsILoadInfo.h"
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#include "nsWrapperCache.h"
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class nsIGlobalObject;
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namespace mozilla {
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class LogModule;
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namespace dom {
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class WindowGlobalParent;
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class WindowGlobalInit;
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class BrowsingContextGroup;
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#define MOZ_EACH_WC_FIELD(FIELD) \
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/* Whether the SHEntry associated with the current top-level \
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* window has already seen user interaction. \
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* As such, this will be reset to false when a new SHEntry is \
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* created without changing the WC (e.g. when using pushState or \
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* sub-frame navigation) \
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* This flag is set for optimization purposes, to avoid \
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* having to get the top SHEntry and update it on every \
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* user interaction. \
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* This is only meaningful on the top-level WC. */ \
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FIELD(SHEntryHasUserInteraction, bool) \
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FIELD(CookieBehavior, Maybe<uint32_t>) \
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FIELD(IsOnContentBlockingAllowList, bool) \
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/* Whether the given window hierarchy is third party. See \
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* ThirdPartyUtil::IsThirdPartyWindow for details */ \
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FIELD(IsThirdPartyWindow, bool) \
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/* Whether this window's channel has been marked as a third-party \
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* tracking resource */ \
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FIELD(IsThirdPartyTrackingResourceWindow, bool) \
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FIELD(IsSecureContext, bool) \
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/* Mixed-Content: If the corresponding documentURI is https, \
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* then this flag is true. */ \
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FIELD(IsSecure, bool) \
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/* Whether the user has overriden the mixed content blocker to allow \
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* mixed content loads to happen */ \
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FIELD(AllowMixedContent, bool) \
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FIELD(EmbedderPolicy, nsILoadInfo::CrossOriginEmbedderPolicy) \
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/* True if this document tree contained an HTMLMediaElement that \
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* played audibly. This should only be set on top level context. */ \
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FIELD(DocTreeHadAudibleMedia, bool) \
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FIELD(AutoplayPermission, uint32_t) \
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FIELD(ShortcutsPermission, uint32_t) \
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FIELD(DelegatedPermissions, \
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PermissionDelegateHandler::DelegatedPermissionList) \
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FIELD(DelegatedExactHostMatchPermissions, \
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PermissionDelegateHandler::DelegatedPermissionList) \
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FIELD(HasReportedShadowDOMUsage, bool)
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class WindowContext : public nsISupports, public nsWrapperCache {
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MOZ_DECL_SYNCED_CONTEXT(WindowContext, MOZ_EACH_WC_FIELD)
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(WindowContext)
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public:
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static already_AddRefed<WindowContext> GetById(uint64_t aInnerWindowId);
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static LogModule* GetLog();
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BrowsingContext* GetBrowsingContext() const { return mBrowsingContext; }
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BrowsingContextGroup* Group() const;
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uint64_t Id() const { return InnerWindowId(); }
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uint64_t InnerWindowId() const { return mInnerWindowId; }
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uint64_t OuterWindowId() const { return mOuterWindowId; }
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bool IsDiscarded() const { return mIsDiscarded; }
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bool IsCached() const;
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bool IsInProcess() { return mInProcess; }
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// Get the parent WindowContext of this WindowContext, taking the BFCache into
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// account. This will not cross chrome/content <browser> boundaries.
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WindowContext* GetParentWindowContext();
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WindowContext* TopWindowContext();
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Span<RefPtr<BrowsingContext>> Children() { return mChildren; }
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// Cast this object to it's parent-process canonical form.
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WindowGlobalParent* Canonical();
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nsIGlobalObject* GetParentObject() const;
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JSObject* WrapObject(JSContext* cx,
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JS::Handle<JSObject*> aGivenProto) override;
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void Discard();
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struct IPCInitializer {
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uint64_t mInnerWindowId;
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uint64_t mOuterWindowId;
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uint64_t mBrowsingContextId;
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FieldValues mFields;
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};
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IPCInitializer GetIPCInitializer();
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static void CreateFromIPC(IPCInitializer&& aInit);
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// Add new mixed content security state flags.
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// These should be some of the four nsIWebProgressListener
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// 'MIXED' state flags, and should only be called on the
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// top window context.
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void AddMixedContentSecurityState(uint32_t aStateFlags);
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protected:
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WindowContext(BrowsingContext* aBrowsingContext, uint64_t aInnerWindowId,
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uint64_t aOuterWindowId, bool aInProcess,
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FieldValues&& aFields);
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virtual ~WindowContext();
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virtual void Init();
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private:
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friend class BrowsingContext;
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friend class WindowGlobalChild;
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friend class WindowGlobalActor;
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void AppendChildBrowsingContext(BrowsingContext* aBrowsingContext);
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void RemoveChildBrowsingContext(BrowsingContext* aBrowsingContext);
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// Send a given `BaseTransaction` object to the correct remote.
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void SendCommitTransaction(ContentParent* aParent,
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const BaseTransaction& aTxn, uint64_t aEpoch);
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void SendCommitTransaction(ContentChild* aChild, const BaseTransaction& aTxn,
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uint64_t aEpoch);
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bool CheckOnlyOwningProcessCanSet(ContentParent* aSource);
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// Overload `CanSet` to get notifications for a particular field being set.
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bool CanSet(FieldIndex<IDX_IsSecure>, const bool& aIsSecure,
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ContentParent* aSource);
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bool CanSet(FieldIndex<IDX_AllowMixedContent>, const bool& aAllowMixedContent,
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ContentParent* aSource);
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bool CanSet(FieldIndex<IDX_CookieBehavior>, const Maybe<uint32_t>& aValue,
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ContentParent* aSource);
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bool CanSet(FieldIndex<IDX_IsOnContentBlockingAllowList>, const bool& aValue,
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ContentParent* aSource);
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bool CanSet(FieldIndex<IDX_EmbedderPolicy>, const bool& aValue,
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ContentParent* aSource) {
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return true;
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}
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bool CanSet(FieldIndex<IDX_IsThirdPartyWindow>,
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const bool& IsThirdPartyWindow, ContentParent* aSource);
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bool CanSet(FieldIndex<IDX_IsThirdPartyTrackingResourceWindow>,
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const bool& aIsThirdPartyTrackingResourceWindow,
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ContentParent* aSource);
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bool CanSet(FieldIndex<IDX_IsSecureContext>, const bool& aIsSecureContext,
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ContentParent* aSource);
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bool CanSet(FieldIndex<IDX_DocTreeHadAudibleMedia>, const bool& aValue,
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ContentParent* aSource);
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bool CanSet(FieldIndex<IDX_AutoplayPermission>, const uint32_t& aValue,
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ContentParent* aSource);
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bool CanSet(FieldIndex<IDX_ShortcutsPermission>, const uint32_t& aValue,
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ContentParent* aSource);
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bool CanSet(FieldIndex<IDX_SHEntryHasUserInteraction>,
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const bool& aSHEntryHasUserInteraction, ContentParent* aSource) {
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return true;
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}
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bool CanSet(FieldIndex<IDX_DelegatedPermissions>,
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const PermissionDelegateHandler::DelegatedPermissionList& aValue,
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ContentParent* aSource);
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bool CanSet(FieldIndex<IDX_DelegatedExactHostMatchPermissions>,
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const PermissionDelegateHandler::DelegatedPermissionList& aValue,
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ContentParent* aSource);
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bool CanSet(FieldIndex<IDX_HasReportedShadowDOMUsage>, const bool& aValue,
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ContentParent* aSource) {
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return true;
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}
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void DidSet(FieldIndex<IDX_HasReportedShadowDOMUsage>, bool aOldValue);
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// Overload `DidSet` to get notifications for a particular field being set.
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//
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// You can also overload the variant that gets the old value if you need it.
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template <size_t I>
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void DidSet(FieldIndex<I>) {}
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template <size_t I, typename T>
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void DidSet(FieldIndex<I>, T&& aOldValue) {}
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uint64_t mInnerWindowId;
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uint64_t mOuterWindowId;
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RefPtr<BrowsingContext> mBrowsingContext;
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// --- NEVER CHANGE `mChildren` DIRECTLY! ---
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// Changes to this list need to be synchronized to the list within our
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// `mBrowsingContext`, and should only be performed through the
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// `AppendChildBrowsingContext` and `RemoveChildBrowsingContext` methods.
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nsTArray<RefPtr<BrowsingContext>> mChildren;
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bool mIsDiscarded = false;
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bool mInProcess = false;
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};
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using WindowContextTransaction = WindowContext::BaseTransaction;
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using WindowContextInitializer = WindowContext::IPCInitializer;
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using MaybeDiscardedWindowContext = MaybeDiscarded<WindowContext>;
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// Don't specialize the `Transaction` object for every translation unit it's
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// used in. This should help keep code size down.
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extern template class syncedcontext::Transaction<WindowContext>;
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} // namespace dom
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namespace ipc {
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template <>
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struct IPDLParamTraits<dom::MaybeDiscarded<dom::WindowContext>> {
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static void Write(IPC::Message* aMsg, IProtocol* aActor,
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const dom::MaybeDiscarded<dom::WindowContext>& aParam);
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static bool Read(const IPC::Message* aMsg, PickleIterator* aIter,
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IProtocol* aActor,
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dom::MaybeDiscarded<dom::WindowContext>* aResult);
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};
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template <>
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struct IPDLParamTraits<dom::WindowContext::IPCInitializer> {
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static void Write(IPC::Message* aMessage, IProtocol* aActor,
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const dom::WindowContext::IPCInitializer& aInitializer);
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static bool Read(const IPC::Message* aMessage, PickleIterator* aIterator,
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IProtocol* aActor,
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dom::WindowContext::IPCInitializer* aInitializer);
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};
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} // namespace ipc
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} // namespace mozilla
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#endif // !defined(mozilla_dom_WindowContext_h)
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