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75 lines
2.8 KiB
C++
75 lines
2.8 KiB
C++
/*
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* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
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* (C) 1999 Antti Koivisto (koivisto@kde.org)
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* Copyright (C) 2003, 2010 Apple Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef HTMLMetaElement_h
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#define HTMLMetaElement_h
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#include "core/dom/ViewportDescription.h"
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#include "core/html/HTMLElement.h"
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namespace blink {
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enum ViewportErrorCode {
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UnrecognizedViewportArgumentKeyError,
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UnrecognizedViewportArgumentValueError,
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TruncatedViewportArgumentValueError,
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MaximumScaleTooLargeError,
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TargetDensityDpiUnsupported
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};
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class HTMLMetaElement FINAL : public HTMLElement {
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DEFINE_WRAPPERTYPEINFO();
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public:
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DECLARE_NODE_FACTORY(HTMLMetaElement);
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const AtomicString& content() const;
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const AtomicString& httpEquiv() const;
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const AtomicString& name() const;
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private:
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explicit HTMLMetaElement(Document&);
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typedef void (HTMLMetaElement::*KeyValuePairCallback)(const String& key, const String& value, void* data);
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void processViewportKeyValuePair(const String& key, const String& value, void* data);
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void parseContentAttribute(const String& content, KeyValuePairCallback, void* data);
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virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
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virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE;
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virtual void didNotifySubtreeInsertionsToDocument() OVERRIDE;
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float parsePositiveNumber(const String& key, const String& value, bool* ok = 0);
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Length parseViewportValueAsLength(const String& key, const String& value);
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float parseViewportValueAsZoom(const String& key, const String& value, bool& computedValueMatchesParsedValue);
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bool parseViewportValueAsUserZoom(const String& key, const String& value, bool& computedValueMatchesParsedValue);
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float parseViewportValueAsDPI(const String& key, const String& value);
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void reportViewportWarning(ViewportErrorCode, const String& replacement1, const String& replacement2);
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void process();
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void processViewportContentAttribute(const String& content, ViewportDescription::Type origin);
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};
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} // namespace blink
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#endif // HTMLMetaElement_h
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