The Tor Browser: widget/cocoa/nsMenuItemIconX.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 /*

     7  * Retrieves and displays icons in native menu items on Mac OS X.

     8  */

    10 #ifndef nsMenuItemIconX_h_

    11 #define nsMenuItemIconX_h_

    13 #include "nsCOMPtr.h"

    14 #include "nsAutoPtr.h"

    15 #include "imgINotificationObserver.h"

    17 class nsIURI;

    18 class nsIContent;

    19 class imgRequestProxy;

    20 class nsMenuObjectX;

    22 #import <Cocoa/Cocoa.h>

    24 class nsMenuItemIconX : public imgINotificationObserver

    25 {

    26 public:

    27   nsMenuItemIconX(nsMenuObjectX* aMenuItem,

    28                   nsIContent*    aContent,

    29                   NSMenuItem*    aNativeMenuItem);

    30 private:

    31   virtual ~nsMenuItemIconX();

    33 public:

    34   NS_DECL_ISUPPORTS

    35   NS_DECL_IMGINOTIFICATIONOBSERVER

    37   // SetupIcon succeeds if it was able to set up the icon, or if there should

    38   // be no icon, in which case it clears any existing icon but still succeeds.

    39   nsresult SetupIcon();

    41   // GetIconURI fails if the item should not have any icon.

    42   nsresult GetIconURI(nsIURI** aIconURI);

    44   // LoadIcon will set a placeholder image and start a load request for the

    45   // icon.  The request may not complete until after LoadIcon returns.

    46   nsresult LoadIcon(nsIURI* aIconURI);

    48   // Unless we take precautions, we may outlive the object that created us

    49   // (mMenuObject, which owns our native menu item (mNativeMenuItem)).

    50   // Destroy() should be called from mMenuObject's destructor to prevent

    51   // this from happening.  See bug 499600.

    52   void Destroy();

    54 protected:

    55   nsresult OnStopFrame(imgIRequest* aRequest);

    57   nsCOMPtr<nsIContent>      mContent;

    58   nsRefPtr<imgRequestProxy> mIconRequest;

    59   nsMenuObjectX*            mMenuObject; // [weak]

    60   nsIntRect                 mImageRegionRect;

    61   bool                      mLoadedIcon;

    62   bool                      mSetIcon;

    63   NSMenuItem*               mNativeMenuItem; // [weak]

    64 };

    66 #endif // nsMenuItemIconX_h_

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