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8a1d360c1a
The Async Clipboard API now allows using arbitrary promises for passing write data, potentially enabling websites to delay writing data to an arbitrary future, which may surprise the user. This patch introduces a solution: a new write request will automatically cancel any previous pending request. To implement that, this patch introduces a new method to nsIClipboard, new XPCOM interfaces, and new IPC to efficiently track individual write requests. Additionally, a new helper base class, ClipboardSetDataHelper, is introduced in widget to facilitate platform code sharing. Differential Revision: https://phabricator.services.mozilla.com/D174090
49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
/* -*- Mode: c++; c-basic-offset: 2; tab-width: 20; indent-tabs-mode: nil; -*-
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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 NS_CLIPBOARD_PROXY_H
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#define NS_CLIPBOARD_PROXY_H
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#include "mozilla/dom/PContent.h"
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#include "nsIClipboard.h"
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#define NS_CLIPBOARDPROXY_IID \
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{ \
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0xa64c82da, 0x7326, 0x4681, { \
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0xa0, 0x95, 0x81, 0x2c, 0xc9, 0x86, 0xe6, 0xde \
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} \
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}
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// Hack for ContentChild to be able to know that we're an nsClipboardProxy.
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class nsIClipboardProxy : public nsIClipboard {
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protected:
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typedef mozilla::dom::ClipboardCapabilities ClipboardCapabilities;
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_CLIPBOARDPROXY_IID)
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virtual void SetCapabilities(const ClipboardCapabilities& aClipboardCaps) = 0;
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(nsIClipboardProxy, NS_CLIPBOARDPROXY_IID)
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class nsClipboardProxy final : public nsIClipboardProxy {
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSICLIPBOARD
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nsClipboardProxy();
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virtual void SetCapabilities(
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const ClipboardCapabilities& aClipboardCaps) override;
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private:
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~nsClipboardProxy() = default;
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ClipboardCapabilities mClipboardCaps;
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};
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#endif
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