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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 */
* Retrieves and displays icons on the macOS Touch Bar.
#ifndef nsTouchBarInputIcon_h_
#define nsTouchBarInputIcon_h_
#import <Cocoa/Cocoa.h>
#include "mozilla/widget/IconLoader.h"
#include "nsTouchBarInput.h"
using namespace mozilla::dom;
class nsIURI;
class nsIPrincipal;
class imgRequestProxy;
namespace mozilla::dom {
class Document;
class nsTouchBarInputIcon : public mozilla::widget::IconLoader::Listener {
explicit nsTouchBarInputIcon(RefPtr<Document> aDocument,
TouchBarInput* aInput, NSTouchBarItem* aItem);
virtual ~nsTouchBarInputIcon();
// 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(nsCOMPtr<nsIURI> aIconURI);
// Implements this method for mozilla::widget::IconLoader::Listener.
// Called once the icon load is complete.
nsresult OnComplete(imgIContainer* aImage) override;
// Unless we take precautions, we may outlive the object that created us
// (mTouchBar, which owns our native menu item (mTouchBarInput)).
// Destroy() should be called from mTouchBar's destructor to prevent
// this from happening.
void Destroy();
void ReleaseJSObjects();
RefPtr<Document> mDocument;
bool mSetIcon;
NSButton* mButton;
// We accept a mShareScrubber only as a special case since
// NSSharingServicePickerTouchBarItem does not expose an NSButton* on which we
// can set the `image` property.
NSSharingServicePickerTouchBarItem* mShareScrubber;
// We accept a popover only as a special case.
NSPopoverTouchBarItem* mPopoverItem;
// The icon loader object should never outlive its creating
// nsTouchBarInputIcon object.
RefPtr<mozilla::widget::IconLoader> mIconLoader;
#endif // nsTouchBarInputIcon_h_