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67 lines
2.0 KiB
C++
67 lines
2.0 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 GFX_ZOOMCONSTRAINTS_H
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#define GFX_ZOOMCONSTRAINTS_H
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#include <iosfwd>
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#include "Units.h" // for CSSRect, CSSPixel, etc
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#include "mozilla/Maybe.h"
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#include "mozilla/layers/ScrollableLayerGuid.h" // for ScrollableLayerGuid
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namespace mozilla {
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namespace layers {
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struct ZoomConstraints {
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bool mAllowZoom;
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bool mAllowDoubleTapZoom;
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CSSToParentLayerScale mMinZoom;
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CSSToParentLayerScale mMaxZoom;
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ZoomConstraints() : mAllowZoom(true), mAllowDoubleTapZoom(true) {
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MOZ_COUNT_CTOR(ZoomConstraints);
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}
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ZoomConstraints(bool aAllowZoom, bool aAllowDoubleTapZoom,
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const CSSToParentLayerScale& aMinZoom,
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const CSSToParentLayerScale& aMaxZoom)
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: mAllowZoom(aAllowZoom),
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mAllowDoubleTapZoom(aAllowDoubleTapZoom),
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mMinZoom(aMinZoom),
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mMaxZoom(aMaxZoom) {
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MOZ_COUNT_CTOR(ZoomConstraints);
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}
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ZoomConstraints(const ZoomConstraints& other)
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: mAllowZoom(other.mAllowZoom),
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mAllowDoubleTapZoom(other.mAllowDoubleTapZoom),
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mMinZoom(other.mMinZoom),
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mMaxZoom(other.mMaxZoom) {
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MOZ_COUNT_CTOR(ZoomConstraints);
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}
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MOZ_COUNTED_DTOR(ZoomConstraints)
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bool operator==(const ZoomConstraints& other) const {
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return mAllowZoom == other.mAllowZoom &&
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mAllowDoubleTapZoom == other.mAllowDoubleTapZoom &&
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mMinZoom == other.mMinZoom && mMaxZoom == other.mMaxZoom;
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}
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bool operator!=(const ZoomConstraints& other) const {
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return !(*this == other);
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}
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friend std::ostream& operator<<(std::ostream& aStream,
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const ZoomConstraints& z);
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};
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} // namespace layers
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} // namespace mozilla
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#endif /* GFX_ZOOMCONSTRAINTS_H */
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