mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-25 22:01:30 +00:00
265e672179
# ignore-this-changeset --HG-- extra : amend_source : 4d301d3b0b8711c4692392aa76088ba7fd7d1022
64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
/* -*- 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 GFX_ZOOMCONSTRAINTS_H
|
|
#define GFX_ZOOMCONSTRAINTS_H
|
|
|
|
#include "Units.h" // for CSSRect, CSSPixel, etc
|
|
#include "mozilla/Maybe.h"
|
|
#include "mozilla/layers/ScrollableLayerGuid.h" // for ScrollableLayerGuid
|
|
|
|
namespace mozilla {
|
|
namespace layers {
|
|
|
|
struct ZoomConstraints {
|
|
bool mAllowZoom;
|
|
bool mAllowDoubleTapZoom;
|
|
CSSToParentLayerScale mMinZoom;
|
|
CSSToParentLayerScale mMaxZoom;
|
|
|
|
ZoomConstraints() : mAllowZoom(true), mAllowDoubleTapZoom(true) {
|
|
MOZ_COUNT_CTOR(ZoomConstraints);
|
|
}
|
|
|
|
ZoomConstraints(bool aAllowZoom, bool aAllowDoubleTapZoom,
|
|
const CSSToParentLayerScale& aMinZoom,
|
|
const CSSToParentLayerScale& aMaxZoom)
|
|
: mAllowZoom(aAllowZoom),
|
|
mAllowDoubleTapZoom(aAllowDoubleTapZoom),
|
|
mMinZoom(aMinZoom),
|
|
mMaxZoom(aMaxZoom) {
|
|
MOZ_COUNT_CTOR(ZoomConstraints);
|
|
}
|
|
|
|
ZoomConstraints(const ZoomConstraints& other)
|
|
: mAllowZoom(other.mAllowZoom),
|
|
mAllowDoubleTapZoom(other.mAllowDoubleTapZoom),
|
|
mMinZoom(other.mMinZoom),
|
|
mMaxZoom(other.mMaxZoom) {
|
|
MOZ_COUNT_CTOR(ZoomConstraints);
|
|
}
|
|
|
|
~ZoomConstraints() { MOZ_COUNT_DTOR(ZoomConstraints); }
|
|
|
|
bool operator==(const ZoomConstraints& other) const {
|
|
return mAllowZoom == other.mAllowZoom &&
|
|
mAllowDoubleTapZoom == other.mAllowDoubleTapZoom &&
|
|
mMinZoom == other.mMinZoom && mMaxZoom == other.mMaxZoom;
|
|
}
|
|
|
|
bool operator!=(const ZoomConstraints& other) const {
|
|
return !(*this == other);
|
|
}
|
|
};
|
|
|
|
typedef Maybe<ZoomConstraints> MaybeZoomConstraints;
|
|
|
|
} // namespace layers
|
|
} // namespace mozilla
|
|
|
|
#endif /* GFX_ZOOMCONSTRAINTS_H */
|