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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 sts=2 et sw=2 tw=80: */
/* 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/. */
#include "mozilla/dom/NavigationHistoryEntry.h"
#include "mozilla/dom/Document.h"
#include "mozilla/dom/NavigationHistoryEntryBinding.h"
#include "mozilla/dom/SessionHistoryEntry.h"
#include "nsDocShell.h"
#include "nsGlobalWindowInner.h"
extern mozilla::LazyLogModule gNavigationLog;
namespace mozilla::dom {
NS_IMPL_CYCLE_COLLECTION_INHERITED(NavigationHistoryEntry,
DOMEventTargetHelper);
NS_IMPL_ADDREF_INHERITED(NavigationHistoryEntry, DOMEventTargetHelper)
NS_IMPL_RELEASE_INHERITED(NavigationHistoryEntry, DOMEventTargetHelper)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(NavigationHistoryEntry)
NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
NavigationHistoryEntry::NavigationHistoryEntry(
nsIGlobalObject* aGlobal, const class SessionHistoryInfo* aSHInfo,
int64_t aIndex)
: DOMEventTargetHelper(aGlobal),
mSHInfo(MakeUnique<class SessionHistoryInfo>(*aSHInfo)),
mIndex(aIndex) {}
NavigationHistoryEntry::~NavigationHistoryEntry() = default;
// https://html.spec.whatwg.org/#dom-navigationhistoryentry-url
void NavigationHistoryEntry::GetUrl(nsAString& aResult) const {
if (!HasActiveDocument()) {
return;
}
// HasActiveDocument implies that GetAssociatedDocument returns non-null.
MOZ_DIAGNOSTIC_ASSERT(GetAssociatedDocument());
if (!SameDocument()) {
auto referrerPolicy = GetAssociatedDocument()->ReferrerPolicy();
if (referrerPolicy == ReferrerPolicy::No_referrer ||
referrerPolicy == ReferrerPolicy::Origin) {
return;
}
}
MOZ_ASSERT(mSHInfo);
nsCOMPtr<nsIURI> uri = mSHInfo->GetURI();
MOZ_ASSERT(uri);
nsCString uriSpec;
uri->GetSpec(uriSpec);
CopyUTF8toUTF16(uriSpec, aResult);
}
// https://html.spec.whatwg.org/#dom-navigationhistoryentry-key
void NavigationHistoryEntry::GetKey(nsAString& aResult) const {
if (!HasActiveDocument()) {
return;
}
nsIDToCString keyString(mSHInfo->NavigationKey());
// Omit the curly braces and NUL.
CopyUTF8toUTF16(Substring(keyString.get() + 1, NSID_LENGTH - 3), aResult);
}
// https://html.spec.whatwg.org/#dom-navigationhistoryentry-id
void NavigationHistoryEntry::GetId(nsAString& aResult) const {
if (!HasActiveDocument()) {
return;
}
nsIDToCString idString(mSHInfo->NavigationId());
// Omit the curly braces and NUL.
CopyUTF8toUTF16(Substring(idString.get() + 1, NSID_LENGTH - 3), aResult);
}
// https://html.spec.whatwg.org/#dom-navigationhistoryentry-index
int64_t NavigationHistoryEntry::Index() const {
MOZ_ASSERT(mSHInfo);
if (!HasActiveDocument()) {
return -1;
}
return mIndex;
}
// https://html.spec.whatwg.org/#dom-navigationhistoryentry-samedocument
bool NavigationHistoryEntry::SameDocument() const {
if (!HasActiveDocument()) {
return false;
}
// HasActiveDocument implies that GetAssociatedDocument returns non-null.
MOZ_DIAGNOSTIC_ASSERT(GetAssociatedDocument());
MOZ_ASSERT(mSHInfo);
auto* docShell = nsDocShell::Cast(GetAssociatedDocument()->GetDocShell());
return docShell && docShell->IsSameDocumentAsActiveEntry(*mSHInfo);
}
// https://html.spec.whatwg.org/#dom-navigationhistoryentry-getstate
void NavigationHistoryEntry::GetState(JSContext* aCx,
JS::MutableHandle<JS::Value> aResult,
ErrorResult& aRv) const {
if (!mSHInfo) {
return;
}
RefPtr<nsStructuredCloneContainer> state = mSHInfo->GetNavigationState();
if (!state) {
aResult.setUndefined();
return;
}
nsresult rv = state->DeserializeToJsval(aCx, aResult);
if (NS_FAILED(rv)) {
// TODO change this to specific exception
aRv.Throw(rv);
}
}
void NavigationHistoryEntry::SetState(nsStructuredCloneContainer* aState) {
if (RefPtr<nsStructuredCloneContainer> state =
mSHInfo->GetNavigationState()) {
state->Copy(*aState);
}
}
bool NavigationHistoryEntry::IsSameEntry(
const class SessionHistoryInfo* aSHInfo) const {
return mSHInfo->NavigationId() == aSHInfo->NavigationId();
}
bool NavigationHistoryEntry::SharesDocumentWith(
const class SessionHistoryInfo& aSHInfo) const {
return mSHInfo->SharesDocumentWith(aSHInfo);
}
JSObject* NavigationHistoryEntry::WrapObject(
JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
return NavigationHistoryEntry_Binding::Wrap(aCx, this, aGivenProto);
}
Document* NavigationHistoryEntry::GetAssociatedDocument() const {
nsGlobalWindowInner* window = GetOwnerWindow();
return window ? window->GetDocument() : nullptr;
}
bool NavigationHistoryEntry::HasActiveDocument() const {
if (auto* document = GetAssociatedDocument()) {
return document->IsCurrentActiveDocument();
}
return false;
}
const nsID& NavigationHistoryEntry::Key() const {
return mSHInfo->NavigationKey();
}
nsStructuredCloneContainer* NavigationHistoryEntry::GetNavigationState() const {
if (!mSHInfo) {
return nullptr;
}
return mSHInfo->GetNavigationState();
}
void NavigationHistoryEntry::ResetIndexForDisposal() { mIndex = -1; }
} // namespace mozilla::dom
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