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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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "PopoverData.h"
#include "mozilla/dom/CloseWatcher.h"
#include "mozilla/dom/CloseWatcherManager.h"
#include "mozilla/dom/Document.h"
#include "nsGenericHTMLElement.h"
#include "nsIDOMEventListener.h"
namespace mozilla::dom {
class PopoverCloseWatcherListener : public nsIDOMEventListener {
public:
NS_DECL_ISUPPORTS
explicit PopoverCloseWatcherListener(nsGenericHTMLElement* aPopover) {
mPopover = do_GetWeakReference(aPopover);
};
NS_IMETHODIMP MOZ_CAN_RUN_SCRIPT HandleEvent(Event* aEvent) override {
RefPtr<nsINode> node = do_QueryReferent(mPopover);
if (RefPtr<nsGenericHTMLElement> popover =
nsGenericHTMLElement::FromNodeOrNull(node)) {
nsAutoString eventType;
aEvent->GetType(eventType);
if (eventType.EqualsLiteral("close")) {
popover->HidePopover(IgnoreErrors());
}
}
return NS_OK;
}
private:
virtual ~PopoverCloseWatcherListener() = default;
nsWeakPtr mPopover;
};
NS_IMPL_ISUPPORTS(PopoverCloseWatcherListener, nsIDOMEventListener)
void PopoverData::EnsureCloseWatcher(nsGenericHTMLElement* aElement) {
if (!mCloseWatcher) {
RefPtr<Document> doc = aElement->OwnerDoc();
if (doc->IsActive() && doc->IsCurrentActiveDocument()) {
if (RefPtr<nsPIDOMWindowInner> window = doc->GetInnerWindow()) {
mCloseWatcher = new CloseWatcher(window);
RefPtr<PopoverCloseWatcherListener> eventListener =
new PopoverCloseWatcherListener(aElement);
mCloseWatcher->AddSystemEventListener(u"close"_ns, eventListener,
false /* aUseCapture */,
false /* aWantsUntrusted */);
mCloseWatcher->AddToWindowsCloseWatcherManager();
}
}
}
}
CloseWatcher* PopoverData::GetCloseWatcher() { return mCloseWatcher; }
// https://html.spec.whatwg.org/#hide-popover-algorithm
// Step 6.2
void PopoverData::DestroyCloseWatcher() {
// 6.2. If element's popover close watcher is not null, then:
if (mCloseWatcher) {
// 6.2.1. Destroy element's popover close watcher.
mCloseWatcher->Destroy();
// 6.2.2. Set element's popover close watcher to null.
mCloseWatcher = nullptr;
}
};
PopoverToggleEventTask::PopoverToggleEventTask(nsWeakPtr aElement,
PopoverVisibilityState aOldState)
: Runnable("PopoverToggleEventTask"),
mElement(std::move(aElement)),
mOldState(aOldState) {}
NS_IMETHODIMP
PopoverToggleEventTask::Run() {
nsCOMPtr<Element> element = do_QueryReferent(mElement);
if (!element) {
return NS_OK;
}
if (auto* htmlElement = nsGenericHTMLElement::FromNode(element)) {
MOZ_KnownLive(htmlElement)->RunPopoverToggleEventTask(this, mOldState);
}
return NS_OK;
};
} // namespace mozilla::dom
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