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-rw-r--r--widget/cocoa/nsMenuItemIconX.h66
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diff --git a/widget/cocoa/nsMenuItemIconX.h b/widget/cocoa/nsMenuItemIconX.h
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/. */
+
+/*
+ * Retrieves and displays icons in native menu items on Mac OS X.
+ */
+
+#ifndef nsMenuItemIconX_h_
+#define nsMenuItemIconX_h_
+
+#include "mozilla/RefPtr.h"
+#include "nsCOMPtr.h"
+#include "imgINotificationObserver.h"
+
+class nsIURI;
+class nsIContent;
+class imgRequestProxy;
+class nsMenuObjectX;
+
+#import <Cocoa/Cocoa.h>
+
+class nsMenuItemIconX : public imgINotificationObserver
+{
+public:
+ nsMenuItemIconX(nsMenuObjectX* aMenuItem,
+ nsIContent* aContent,
+ NSMenuItem* aNativeMenuItem);
+private:
+ virtual ~nsMenuItemIconX();
+
+public:
+ NS_DECL_ISUPPORTS
+ NS_DECL_IMGINOTIFICATIONOBSERVER
+
+ // SetupIcon succeeds if it was able to set up the icon, or if there should
+ // be no icon, in which case it clears any existing icon but still succeeds.
+ nsresult SetupIcon();
+
+ // GetIconURI fails if the item should not have any icon.
+ nsresult GetIconURI(nsIURI** aIconURI);
+
+ // LoadIcon will set a placeholder image and start a load request for the
+ // icon. The request may not complete until after LoadIcon returns.
+ nsresult LoadIcon(nsIURI* aIconURI);
+
+ // Unless we take precautions, we may outlive the object that created us
+ // (mMenuObject, which owns our native menu item (mNativeMenuItem)).
+ // Destroy() should be called from mMenuObject's destructor to prevent
+ // this from happening. See bug 499600.
+ void Destroy();
+
+protected:
+ nsresult OnFrameComplete(imgIRequest* aRequest);
+
+ nsCOMPtr<nsIContent> mContent;
+ RefPtr<imgRequestProxy> mIconRequest;
+ nsMenuObjectX* mMenuObject; // [weak]
+ nsIntRect mImageRegionRect;
+ bool mLoadedIcon;
+ bool mSetIcon;
+ NSMenuItem* mNativeMenuItem; // [weak]
+};
+
+#endif // nsMenuItemIconX_h_