зеркало из https://github.com/mozilla/gecko-dev.git
106 строки
3.2 KiB
Objective-C
106 строки
3.2 KiB
Objective-C
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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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#ifndef nsMenuItemX_h_
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#define nsMenuItemX_h_
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#include "mozilla/RefPtr.h"
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#include "nsISupports.h"
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#include "nsMenuGroupOwnerX.h"
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#include "nsMenuItemIconX.h"
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#include "nsChangeObserver.h"
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#include "nsStringFwd.h"
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#import <Cocoa/Cocoa.h>
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class nsMenuItemIconX;
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class nsMenuX;
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class nsMenuParentX;
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namespace mozilla {
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namespace dom {
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class Element;
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}
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} // namespace mozilla
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enum {
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knsMenuItemNoModifier = 0,
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knsMenuItemShiftModifier = (1 << 0),
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knsMenuItemAltModifier = (1 << 1),
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knsMenuItemControlModifier = (1 << 2),
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knsMenuItemCommandModifier = (1 << 3)
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};
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enum EMenuItemType {
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eRegularMenuItemType = 0,
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eCheckboxMenuItemType,
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eRadioMenuItemType,
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eSeparatorMenuItemType
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};
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// Once instantiated, this object lives until its DOM node or its parent window
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// is destroyed. Do not hold references to this, they can become invalid any
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// time the DOM node can be destroyed.
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class nsMenuItemX final : public nsChangeObserver,
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public nsMenuItemIconX::Listener {
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public:
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nsMenuItemX(nsMenuX* aParent, const nsString& aLabel, EMenuItemType aItemType,
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nsMenuGroupOwnerX* aMenuGroupOwner, nsIContent* aNode);
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bool IsVisible() const { return mIsVisible; }
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// Unregisters nsMenuX from the nsMenuGroupOwner, and nulls out the group
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// owner pointer. This is needed because nsMenuX is reference-counted and can
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// outlive its owner, and the menu group owner asserts that everything has
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// been unregistered when it is destroyed.
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void DetachFromGroupOwner();
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// Nulls out our reference to the parent.
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// This is needed because nsMenuX is reference-counted and can outlive its
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// parent.
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void DetachFromParent() { mMenuParent = nullptr; }
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NS_INLINE_DECL_REFCOUNTING(nsMenuItemX)
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NS_DECL_CHANGEOBSERVER
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// nsMenuItemIconX::Listener
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void IconUpdated() override;
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// nsMenuItemX
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nsresult SetChecked(bool aIsChecked);
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EMenuItemType GetMenuItemType();
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void DoCommand(NSEventModifierFlags aModifierFlags, int16_t aButton);
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nsresult DispatchDOMEvent(const nsString& eventName,
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bool* preventDefaultCalled);
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void SetupIcon();
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nsMenuX* ParentMenu() { return mMenuParent; }
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nsIContent* Content() { return mContent; }
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NSMenuItem* NativeNSMenuItem() { return mNativeMenuItem; }
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void Dump(uint32_t aIndent) const;
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protected:
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virtual ~nsMenuItemX();
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void UncheckRadioSiblings(nsIContent* aCheckedElement);
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void SetKeyEquiv();
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nsCOMPtr<nsIContent> mContent; // XUL <menuitem> or <menuseparator>
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EMenuItemType mType;
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// nsMenuItemX objects should always have a valid native menu item.
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NSMenuItem* mNativeMenuItem = nil; // [strong]
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nsMenuX* mMenuParent = nullptr; // [weak]
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nsMenuGroupOwnerX* mMenuGroupOwner = nullptr; // [weak]
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RefPtr<mozilla::dom::Element> mCommandElement;
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mozilla::UniquePtr<nsMenuItemIconX> mIcon; // always non-null
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bool mIsChecked = false;
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bool mIsVisible = false;
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};
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#endif // nsMenuItemX_h_
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