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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/. */
+
+#ifndef mozilla_dom_PopoverData_h
+#define mozilla_dom_PopoverData_h
+
+#include "Element.h"
+#include "nsINode.h"
+#include "nsIRunnable.h"
+#include "nsIWeakReferenceUtils.h"
+#include "nsStringFwd.h"
+#include "nsThreadUtils.h"
+
+namespace mozilla::dom {
+
+// https://html.spec.whatwg.org/#attr-popover
+enum class PopoverAttributeState : uint8_t {
+ None,
+ Auto, ///< https://html.spec.whatwg.org/#attr-popover-auto-state
+ Manual, ///< https://html.spec.whatwg.org/#attr-popover-manual-state
+};
+
+enum class PopoverVisibilityState : uint8_t {
+ Hidden,
+ Showing,
+};
+
+class PopoverToggleEventTask : public Runnable {
+ public:
+ explicit PopoverToggleEventTask(nsWeakPtr aElement,
+ PopoverVisibilityState aOldState);
+
+ // MOZ_CAN_RUN_SCRIPT_BOUNDARY until Runnable::Run is MOZ_CAN_RUN_SCRIPT. See
+ // bug 1535398.
+ MOZ_CAN_RUN_SCRIPT_BOUNDARY NS_IMETHOD Run() override;
+
+ PopoverVisibilityState GetOldState() const { return mOldState; }
+
+ private:
+ nsWeakPtr mElement;
+ PopoverVisibilityState mOldState;
+};
+
+class PopoverData {
+ public:
+ PopoverData() = default;
+ ~PopoverData() = default;
+
+ PopoverAttributeState GetPopoverAttributeState() const { return mState; }
+ void SetPopoverAttributeState(PopoverAttributeState aState) {
+ mState = aState;
+ }
+
+ PopoverVisibilityState GetPopoverVisibilityState() const {
+ return mVisibilityState;
+ }
+ void SetPopoverVisibilityState(PopoverVisibilityState aVisibilityState) {
+ mVisibilityState = aVisibilityState;
+ }
+
+ nsWeakPtr GetPreviouslyFocusedElement() const {
+ return mPreviouslyFocusedElement;
+ }
+ void SetPreviouslyFocusedElement(nsWeakPtr aPreviouslyFocusedElement) {
+ mPreviouslyFocusedElement = aPreviouslyFocusedElement;
+ }
+
+ RefPtr<Element> GetInvoker() const {
+ return do_QueryReferent(mInvokerElement);
+ }
+ void SetInvoker(Element* aInvokerElement) {
+ mInvokerElement =
+ do_GetWeakReference(static_cast<nsINode*>(aInvokerElement));
+ }
+
+ PopoverToggleEventTask* GetToggleEventTask() const { return mTask; }
+ void SetToggleEventTask(PopoverToggleEventTask* aTask) { mTask = aTask; }
+ void ClearToggleEventTask() { mTask = nullptr; }
+
+ bool IsHiding() const { return mIsHiding; }
+ void SetIsHiding(bool aIsHiding) { mIsHiding = aIsHiding; }
+
+ private:
+ PopoverVisibilityState mVisibilityState = PopoverVisibilityState::Hidden;
+ PopoverAttributeState mState = PopoverAttributeState::None;
+ // Popover and dialog don't share mPreviouslyFocusedElement for there are
+ // chances to lose the previously focused element.
+ // See, https://github.com/whatwg/html/issues/9063
+ nsWeakPtr mPreviouslyFocusedElement = nullptr;
+
+ // https://html.spec.whatwg.org/#popover-invoker
+ // Since having a popover invoker only makes a difference if the invoker
+ // is in the document (in another open popover to be precise) we can make
+ // this a weak reference, as if the element goes away it's necessarily not
+ // connected to our document.
+ nsWeakPtr mInvokerElement;
+ bool mIsHiding = false;
+ RefPtr<PopoverToggleEventTask> mTask;
+};
+} // namespace mozilla::dom
+
+#endif