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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_CLIPBOARD_CLIPBOARD_CHANGE_EVENT_CONTROLLER_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_CLIPBOARD_CLIPBOARD_CHANGE_EVENT_CONTROLLER_H_
#include "third_party/blink/renderer/core/clipboard/system_clipboard.h"
#include "third_party/blink/renderer/core/dom/events/event_target.h"
#include "third_party/blink/renderer/core/frame/navigator.h"
#include "third_party/blink/renderer/core/frame/platform_event_controller.h"
#include "third_party/blink/renderer/core/page/focus_changed_observer.h"
#include "third_party/blink/renderer/modules/modules_export.h"
#include "third_party/blink/renderer/platform/heap/member.h"
#include "third_party/blink/renderer/platform/supplementable.h"
namespace blink {
class MODULES_EXPORT ClipboardChangeEventController final
: public GarbageCollected<ClipboardChangeEventController>,
public Supplement<Navigator>,
public PlatformEventController,
public FocusChangedObserver {
public:
static const char kSupplementName[];
explicit ClipboardChangeEventController(Navigator& navigator,
EventTarget* eventTarget);
// FocusChangedObserver overrides.
void FocusedFrameChanged() override;
ClipboardChangeEventController(const ClipboardChangeEventController&) =
delete;
ClipboardChangeEventController& operator=(
const ClipboardChangeEventController&) = delete;
ExecutionContext* GetExecutionContext() const;
// PlatformEventController overrides.
void DidUpdateData() override;
void RegisterWithDispatcher() override;
void UnregisterWithDispatcher() override;
bool HasLastData() override;
void Trace(Visitor*) const override;
private:
// Fires the clipboardchange event after page focus check.
void OnClipboardChanged();
// Gets the SystemClipboard from the execution context.
SystemClipboard* GetSystemClipboard() const;
bool fire_clipboardchange_on_focus_ = false;
Member<EventTarget> event_target_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_CLIPBOARD_CLIPBOARD_CHANGE_EVENT_CONTROLLER_H_
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