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-rw-r--r--dom/base/ViewportMetaData.h48
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diff --git a/dom/base/ViewportMetaData.h b/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 "nsString.h"
+#include "nsAString.h"
+
+namespace mozilla::dom {
+struct ViewportMetaData {
+ // https://drafts.csswg.org/css-device-adapt/#meta-properties
+ nsString mWidth;
+ nsString mHeight;
+ nsString mInitialScale;
+ nsString mMinimumScale;
+ nsString mMaximumScale;
+ nsString mUserScalable;
+ nsString mViewportFit;
+
+ 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 &&
+ mViewportFit == aOther.mViewportFit;
+ }
+ 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 mozilla::dom
+
+#endif // DOM_VIEWPORT_META_DATA_H_