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6c23e730f2
Inheriting from `nsISupports` is too complicated if we just want to support refcounting. Instead, we can use `NS_INLINE_DECL_PURE_VIRTUAL_REFCOUNTING` to declare `Add/RemoveRef()` as pure virtual functions in order to create ref-counted abstract classes. Differential Revision: https://phabricator.services.mozilla.com/D57714 --HG-- extra : moz-landing-system : lando
44 lines
1.3 KiB
Objective-C
44 lines
1.3 KiB
Objective-C
/* 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef WIDGET_COCOA_MEDIAHARDWAREKEYSEVENTSOURCEMAC_H_
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#define WIDGET_COCOA_MEDIAHARDWAREKEYSEVENTSOURCEMAC_H_
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#import <ApplicationServices/ApplicationServices.h>
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#import <CoreFoundation/CoreFoundation.h>
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#include "mozilla/dom/MediaControlKeysEvent.h"
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#include "nsISupportsImpl.h"
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namespace mozilla {
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namespace widget {
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class MediaHardwareKeysEventSourceMac final
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: public mozilla::dom::MediaControlKeysEventSource {
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public:
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NS_INLINE_DECL_REFCOUNTING(MediaHardwareKeysEventSourceMac, override)
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MediaHardwareKeysEventSourceMac() = default;
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static CGEventRef EventTapCallback(CGEventTapProxy proxy, CGEventType type,
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CGEventRef event, void* refcon);
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bool Open() override;
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void Close() override;
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bool IsOpened() const override;
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private:
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~MediaHardwareKeysEventSourceMac() = default;
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bool StartEventTap();
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void StopEventTap();
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// They are used to intercept mac hardware media keys.
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CFMachPortRef mEventTap = nullptr;
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CFRunLoopSourceRef mEventTapSource = nullptr;
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};
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} // namespace widget
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} // namespace mozilla
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#endif
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