Source code
Revision control
Copy as Markdown
Other Tools
/* -*- 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
#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 {
class CloseWatcher;
enum class PopoverAttributeState : uint8_t {
None,
};
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
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;
CloseWatcher& EnsureCloseWatcher(nsGenericHTMLElement* aElement);
CloseWatcher* GetCloseWatcher();
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 IsShowingOrHiding() const { return mIsShowingOrHiding; }
void SetIsShowingOrHiding(bool aIsShowingOrHiding) {
mIsShowingOrHiding = aIsShowingOrHiding;
}
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.
nsWeakPtr mPreviouslyFocusedElement = nullptr;
// 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 mIsShowingOrHiding = false;
RefPtr<PopoverToggleEventTask> mTask;
// This won't need to be cycle collected as CloseWatcher only has strong
// references to event listeners, which themselves have Weak References back
// to the Node.
RefPtr<CloseWatcher> mCloseWatcher;
};
} // namespace mozilla::dom
#endif