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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 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
#include "mozilla/dom/SessionStoreScrollData.h"
#include <utility>
#include "js/PropertyAndElement.h"
#include "js/TypeDecls.h"
#include "mozilla/Assertions.h"
#include "mozilla/RefPtr.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/BrowserSessionStoreBinding.h"
#include "mozilla/dom/BrowsingContext.h"
#include "nsPresContext.h"
#include "mozilla/dom/WebIDLGlobalNameHash.h"
#include "js/PropertyDescriptor.h"
#include "mozilla/dom/ToJSValue.h"
#include "mozilla/dom/GeneratedAtomList.h"
#include "js/StructuredClone.h"
#include "mozilla/dom/DOMJSClass.h"
#include "mozilla/dom/StructuredCloneHolder.h"
#include "nsContentUtils.h"
#include "js/Array.h"
#include "js/JSON.h"
using namespace mozilla::dom;
NS_IMPL_CYCLE_COLLECTING_ADDREF(SessionStoreScrollData)
NS_IMPL_CYCLE_COLLECTING_RELEASE(SessionStoreScrollData)
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_WEAK_PTR(SessionStoreScrollData,
mChildren)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(SessionStoreScrollData)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
nsISupports* SessionStoreScrollData::GetParentObject() const {
return xpc::NativeGlobal(xpc::PrivilegedJunkScope());
;
}
JSObject* SessionStoreScrollData::WrapObject(
JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
return SessionStoreScrollData_Binding::Wrap(aCx, this, aGivenProto);
}
void SessionStoreScrollData::GetScroll(nsACString& aScroll) const {
int scrollX = nsPresContext::AppUnitsToIntCSSPixels(mScroll.x);
int scrollY = nsPresContext::AppUnitsToIntCSSPixels(mScroll.y);
if ((scrollX != 0) || (scrollY != 0)) {
aScroll = nsPrintfCString("%d,%d", scrollX, scrollY);
} else {
aScroll.SetIsVoid(true);
}
}
SessionStoreScrollData::ChildrenArray& SessionStoreScrollData::Children() {
return mChildren;
}
void SessionStoreScrollData::GetChildren(
Nullable<ChildrenArray>& aChildren) const {
if (!mChildren.IsEmpty()) {
aChildren.SetValue() = mChildren.Clone();
} else {
aChildren.SetNull();
}
}
void SessionStoreScrollData::ToJSON(JSContext* aCx,
JS::MutableHandle<JSObject*> aRetval) {
JS::Rooted<JSObject*> self(aCx);
{
JS::Rooted<JS::Value> value(aCx);
if (!GetOrCreateDOMReflector(aCx, this, &value)) {
return;
}
self.set(value.toObjectOrNull());
}
JS::Rooted<JSObject*> result(aCx, JS_NewPlainObject(aCx));
if (!IsEmpty()) {
if (HasData(mScroll)) {
if (!SessionStoreUtils::CopyProperty(aCx, result, self, u"scroll"_ns)) {
return;
}
}
SessionStoreUtils::CopyChildren(aCx, result, mChildren);
}
aRetval.set(result);
}
void SessionStoreScrollData::Update(const CollectedType& aUpdate) {
SessionStoreScrollData_Binding::ClearCachedScrollValue(this);
mScroll = aUpdate;
}
void SessionStoreScrollData::ClearCachedChildren() {
SessionStoreScrollData_Binding::ClearCachedChildrenValue(this);
}
/* static */
bool SessionStoreScrollData::HasData(const CollectedType& aPoint) {
int scrollX = nsPresContext::AppUnitsToIntCSSPixels(aPoint.x);
int scrollY = nsPresContext::AppUnitsToIntCSSPixels(aPoint.y);
return scrollX != 0 || scrollY != 0;
}
bool SessionStoreScrollData::IsEmpty() const {
return !HasData(mScroll) && mChildren.IsEmpty();
}