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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
#ifndef mozilla_AutoCopyListener_h
#define mozilla_AutoCopyListener_h
#include "mozilla/Attributes.h"
#include "mozilla/dom/Selection.h"
#include "mozilla/StaticPrefs_clipboard.h"
#include "nsIClipboard.h"
namespace mozilla {
class AutoCopyListener final {
public:
/**
* OnSelectionChange() is called when a Selection whose NotifyAutoCopy() was
* called is changed.
*
* @param aDocument The document of the Selection. May be nullptr.
* @param aSelection The selection.
* @param aReason The reasons of the change.
* See nsISelectionListener::*_REASON.
*/
static void OnSelectionChange(dom::Document* aDocument,
dom::Selection& aSelection, int16_t aReason);
/**
* Init() initializes all static members of this class. Should be called
* only once.
*/
static void Init(int16_t aClipboardID) {
MOZ_ASSERT(IsValidClipboardID(aClipboardID));
static bool sInitialized = false;
if (!sInitialized && IsValidClipboardID(aClipboardID)) {
sClipboardID = aClipboardID;
sInitialized = true;
}
}
/**
* IsPrefEnabled() returns true if the pref enables auto-copy feature.
*/
static bool IsPrefEnabled() { return StaticPrefs::clipboard_autocopy(); }
private:
static bool IsValidClipboardID(int16_t aClipboardID) {
return aClipboardID >= nsIClipboard::kSelectionClipboard &&
aClipboardID <= nsIClipboard::kSelectionCache;
}
static int16_t sClipboardID;
};
} // namespace mozilla
#endif // #ifndef mozilla_AutoCopyListener_h
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