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73e90ad1a1
This allows us to add more capabilities to this routine (such as notifying other classes that there is an active CloseWatcher) without needing to add too much duplication to the codebase. Differential Revision: https://phabricator.services.mozilla.com/D249647
94 lines
3.1 KiB
C++
94 lines
3.1 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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#include "PopoverData.h"
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#include "nsGenericHTMLElement.h"
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#include "mozilla/dom/Document.h"
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#include "mozilla/dom/CloseWatcher.h"
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#include "mozilla/dom/CloseWatcherManager.h"
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#include "nsIDOMEventListener.h"
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namespace mozilla::dom {
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class PopoverCloseWatcherListener : public nsIDOMEventListener {
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public:
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NS_DECL_ISUPPORTS
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explicit PopoverCloseWatcherListener(nsGenericHTMLElement* aPopover) {
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mPopover = do_GetWeakReference(aPopover);
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};
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NS_IMETHODIMP MOZ_CAN_RUN_SCRIPT HandleEvent(Event* aEvent) override {
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RefPtr<nsINode> node = do_QueryReferent(mPopover);
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if (RefPtr<nsGenericHTMLElement> popover =
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nsGenericHTMLElement::FromNodeOrNull(node)) {
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nsAutoString eventType;
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aEvent->GetType(eventType);
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if (eventType.EqualsLiteral("close")) {
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popover->HidePopover(IgnoreErrors());
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}
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}
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return NS_OK;
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}
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private:
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virtual ~PopoverCloseWatcherListener() = default;
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nsWeakPtr mPopover;
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};
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NS_IMPL_ISUPPORTS(PopoverCloseWatcherListener, nsIDOMEventListener)
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void PopoverData::EnsureCloseWatcher(nsGenericHTMLElement* aElement) {
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if (!mCloseWatcher) {
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RefPtr<Document> doc = aElement->OwnerDoc();
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if (doc->IsActive() && doc->IsCurrentActiveDocument()) {
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if (RefPtr<nsPIDOMWindowInner> window = doc->GetInnerWindow()) {
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mCloseWatcher = new CloseWatcher(window);
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RefPtr<PopoverCloseWatcherListener> eventListener =
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new PopoverCloseWatcherListener(aElement);
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mCloseWatcher->AddSystemEventListener(u"close"_ns, eventListener,
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false /* aUseCapture */,
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false /* aWantsUntrusted */);
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mCloseWatcher->AddToWindowsCloseWatcherManager();
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}
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}
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}
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}
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CloseWatcher* PopoverData::GetCloseWatcher() { return mCloseWatcher; }
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// https://html.spec.whatwg.org/#hide-popover-algorithm
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// Step 6.2
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void PopoverData::DestroyCloseWatcher() {
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// 6.2. If element's popover close watcher is not null, then:
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if (mCloseWatcher) {
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// 6.2.1. Destroy element's popover close watcher.
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mCloseWatcher->Destroy();
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// 6.2.2. Set element's popover close watcher to null.
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mCloseWatcher = nullptr;
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}
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};
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PopoverToggleEventTask::PopoverToggleEventTask(nsWeakPtr aElement,
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PopoverVisibilityState aOldState)
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: Runnable("PopoverToggleEventTask"),
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mElement(std::move(aElement)),
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mOldState(aOldState) {}
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NS_IMETHODIMP
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PopoverToggleEventTask::Run() {
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nsCOMPtr<Element> element = do_QueryReferent(mElement);
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if (!element) {
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return NS_OK;
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}
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if (auto* htmlElement = nsGenericHTMLElement::FromNode(element)) {
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MOZ_KnownLive(htmlElement)->RunPopoverToggleEventTask(this, mOldState);
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}
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return NS_OK;
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};
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} // namespace mozilla::dom
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