gecko-dev/dom/base/ViewportMetaData.h

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/* -*- 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 DOM_VIEWPORT_META_DATA_H_
#define DOM_VIEWPORT_META_DATA_H_
#include "nsAString.h"
namespace mozilla {
namespace dom {
struct ViewportMetaData {
// https://drafts.csswg.org/css-device-adapt/#meta-properties
nsString mWidth;
nsString mHeight;
nsString mInitialScale;
nsString mMinimumScale;
nsString mMaximumScale;
nsString mUserScalable;
bool operator==(const ViewportMetaData& aOther) const {
return mWidth == aOther.mWidth && mHeight == aOther.mHeight &&
mInitialScale == aOther.mInitialScale &&
mMinimumScale == aOther.mMinimumScale &&
mMaximumScale == aOther.mMaximumScale &&
mUserScalable == aOther.mUserScalable;
}
bool operator!=(const ViewportMetaData& aOther) const {
return !(*this == aOther);
}
ViewportMetaData() = default;
/* Process viewport META data. This gives us information for the scale
* and zoom of a page on mobile devices. We stick the information in
* the document header and use it later on after rendering.
*
* See Bug #436083
*/
explicit ViewportMetaData(const nsAString& aViewportInfo);
};
} // namespace dom
} // namespace mozilla
#endif // DOM_VIEWPORT_META_DATA_H_