зеркало из https://github.com/mozilla/gecko-dev.git
76 строки
2.6 KiB
C++
76 строки
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* 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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_Clipboard_h_
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#define mozilla_dom_Clipboard_h_
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#include "nsString.h"
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#include "mozilla/DOMEventTargetHelper.h"
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#include "mozilla/Logging.h"
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#include "mozilla/dom/DataTransfer.h"
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namespace mozilla {
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namespace dom {
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enum ClipboardReadType {
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eRead,
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eReadText,
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};
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class Promise;
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class ClipboardItem;
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// https://www.w3.org/TR/clipboard-apis/#clipboard-interface
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class Clipboard : public DOMEventTargetHelper {
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(Clipboard, DOMEventTargetHelper)
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IMPL_EVENT_HANDLER(message)
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IMPL_EVENT_HANDLER(messageerror)
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explicit Clipboard(nsPIDOMWindowInner* aWindow);
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already_AddRefed<Promise> Read(nsIPrincipal& aSubjectPrincipal,
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ErrorResult& aRv);
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already_AddRefed<Promise> ReadText(nsIPrincipal& aSubjectPrincipal,
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ErrorResult& aRv);
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already_AddRefed<Promise> Write(
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const Sequence<OwningNonNull<ClipboardItem>>& aData,
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nsIPrincipal& aSubjectPrincipal, ErrorResult& aRv);
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already_AddRefed<Promise> WriteText(const nsAString& aData,
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nsIPrincipal& aSubjectPrincipal,
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ErrorResult& aRv);
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static LogModule* GetClipboardLog();
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// Check if the Clipboard.readText API should be enabled for this context.
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// This API is only enabled for Extension and System contexts, as there is no
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// way to request the required permission for web content. If the clipboard
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// API testing pref is enabled, ReadText is enabled for web content for
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// testing purposes.
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static bool ReadTextEnabled(JSContext* aCx, JSObject* aGlobal);
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virtual JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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private:
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// Checks if dom.events.testing.asyncClipboard pref is enabled.
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// The aforementioned pref allows automated tests to bypass the security
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// checks when writing to
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// or reading from the clipboard.
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static bool IsTestingPrefEnabled();
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already_AddRefed<Promise> ReadHelper(nsIPrincipal& aSubjectPrincipal,
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ClipboardReadType aClipboardReadType,
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ErrorResult& aRv);
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~Clipboard();
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_Clipboard_h_
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