зеркало из https://github.com/mozilla/gecko-dev.git
75 строки
2.9 KiB
C++
75 строки
2.9 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_InputEventOptions_h
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#define mozilla_InputEventOptions_h
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#include "mozilla/Attributes.h"
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#include "mozilla/RefPtr.h"
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#include "mozilla/TextEvents.h"
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#include "mozilla/dom/DataTransfer.h"
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#include "mozilla/dom/StaticRange.h"
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#include "nsString.h"
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#include "nsTArray.h"
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namespace mozilla {
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/**
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* InputEventOptions is used by nsContentUtils::DispatchInputEvent() to specify
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* some attributes of InputEvent. It would be nice if this was in
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* nsContentUtils.h, however, it needs to include StaticRange.h for declaring
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* this. That would cause unnecessary dependency and makes incremental build
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* slower when you touch StaticRange.h even though most nsContentUtils.h users
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* don't use it. Therefore, this struct is declared in separated header file
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* here.
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*/
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struct MOZ_STACK_CLASS InputEventOptions final {
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enum class NeverCancelable {
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No,
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Yes,
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};
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InputEventOptions() : mDataTransfer(nullptr), mNeverCancelable(false) {}
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explicit InputEventOptions(const InputEventOptions& aOther) = delete;
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InputEventOptions(InputEventOptions&& aOther) = default;
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explicit InputEventOptions(const nsAString& aData,
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NeverCancelable aNeverCancelable)
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: mData(aData),
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mDataTransfer(nullptr),
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mNeverCancelable(aNeverCancelable == NeverCancelable::Yes) {}
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explicit InputEventOptions(dom::DataTransfer* aDataTransfer,
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NeverCancelable aNeverCancelable)
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: mDataTransfer(aDataTransfer),
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mNeverCancelable(aNeverCancelable == NeverCancelable::Yes) {
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MOZ_ASSERT(mDataTransfer);
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MOZ_ASSERT(mDataTransfer->IsReadOnly());
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}
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InputEventOptions(const nsAString& aData,
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OwningNonNullStaticRangeArray&& aTargetRanges,
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NeverCancelable aNeverCancelable)
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: mData(aData),
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mDataTransfer(nullptr),
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mTargetRanges(std::move(aTargetRanges)),
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mNeverCancelable(aNeverCancelable == NeverCancelable::Yes) {}
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InputEventOptions(dom::DataTransfer* aDataTransfer,
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OwningNonNullStaticRangeArray&& aTargetRanges,
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NeverCancelable aNeverCancelable)
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: mDataTransfer(aDataTransfer),
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mTargetRanges(std::move(aTargetRanges)),
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mNeverCancelable(aNeverCancelable == NeverCancelable::Yes) {
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MOZ_ASSERT(mDataTransfer);
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MOZ_ASSERT(mDataTransfer->IsReadOnly());
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}
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nsString mData;
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dom::DataTransfer* mDataTransfer;
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OwningNonNullStaticRangeArray mTargetRanges;
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// If this is set to true, dispatching event won't be cancelable.
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bool mNeverCancelable;
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};
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} // namespace mozilla
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#endif // #ifndef mozilla_InputEventOptions_h
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