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/*
* Copyright (C) 2013 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FontFace_h
#define FontFace_h
#include "bindings/core/v8/ScriptPromise.h"
#include "bindings/core/v8/ScriptPromiseProperty.h"
#include "bindings/core/v8/ScriptWrappable.h"
#include "core/CSSPropertyNames.h"
#include "core/css/CSSValue.h"
#include "core/dom/ActiveDOMObject.h"
#include "core/dom/DOMException.h"
#include "platform/fonts/FontTraits.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefCounted.h"
#include "wtf/text/WTFString.h"
namespace blink {
class CSSFontFace;
class CSSValueList;
class DOMArrayBuffer;
class DOMArrayBufferView;
class Document;
class ExceptionState;
class FontFaceDescriptors;
class StringOrArrayBufferOrArrayBufferView;
class StylePropertySet;
class StyleRuleFontFace;
class FontFace : public RefCountedWillBeGarbageCollectedFinalized<FontFace>, public ScriptWrappable, public ActiveDOMObject {
DEFINE_WRAPPERTYPEINFO();
WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(FontFace);
public:
enum LoadStatus { Unloaded, Loading, Loaded, Error };
static PassRefPtrWillBeRawPtr<FontFace> create(ExecutionContext*, const AtomicString& family, StringOrArrayBufferOrArrayBufferView&, const FontFaceDescriptors&);
static PassRefPtrWillBeRawPtr<FontFace> create(Document*, const StyleRuleFontFace*);
~FontFace();
const AtomicString& family() const { return m_family; }
String style() const;
String weight() const;
String stretch() const;
String unicodeRange() const;
String variant() const;
String featureSettings() const;
// FIXME: Changing these attributes should affect font matching.
void setFamily(ExecutionContext*, const AtomicString& s, ExceptionState&) { m_family = s; }
void setStyle(ExecutionContext*, const String&, ExceptionState&);
void setWeight(ExecutionContext*, const String&, ExceptionState&);
void setStretch(ExecutionContext*, const String&, ExceptionState&);
void setUnicodeRange(ExecutionContext*, const String&, ExceptionState&);
void setVariant(ExecutionContext*, const String&, ExceptionState&);
void setFeatureSettings(ExecutionContext*, const String&, ExceptionState&);
String status() const;
ScriptPromise loaded(ScriptState* scriptState) { return fontStatusPromise(scriptState); }
ScriptPromise load(ScriptState*);
LoadStatus loadStatus() const { return m_status; }
void setLoadStatus(LoadStatus);
void setError(PassRefPtrWillBeRawPtr<DOMException> = nullptr);
DOMException* error() const { return m_error.get(); }
FontTraits traits() const;
CSSFontFace* cssFontFace() { return m_cssFontFace.get(); }
virtual void trace(Visitor*) override;
bool hadBlankText() const;
class LoadFontCallback : public RefCountedWillBeGarbageCollectedFinalized<LoadFontCallback> {
public:
virtual ~LoadFontCallback() { }
virtual void notifyLoaded(FontFace*) = 0;
virtual void notifyError(FontFace*) = 0;
virtual void trace(Visitor*) { }
};
void loadWithCallback(PassRefPtrWillBeRawPtr<LoadFontCallback>, ExecutionContext*);
// ActiveDOMObject
virtual bool hasPendingActivity() const override;
private:
static PassRefPtrWillBeRawPtr<FontFace> create(ExecutionContext*, const AtomicString& family, PassRefPtr<DOMArrayBuffer> source, const FontFaceDescriptors&);
static PassRefPtrWillBeRawPtr<FontFace> create(ExecutionContext*, const AtomicString& family, PassRefPtr<DOMArrayBufferView>, const FontFaceDescriptors&);
static PassRefPtrWillBeRawPtr<FontFace> create(ExecutionContext*, const AtomicString& family, const String& source, const FontFaceDescriptors&);
explicit FontFace(ExecutionContext*);
FontFace(ExecutionContext*, const AtomicString& family, const FontFaceDescriptors&);
void initCSSFontFace(Document*, PassRefPtrWillBeRawPtr<CSSValue> src);
void initCSSFontFace(const unsigned char* data, unsigned size);
void setPropertyFromString(const Document*, const String&, CSSPropertyID, ExceptionState* = 0);
bool setPropertyFromStyle(const StylePropertySet&, CSSPropertyID);
bool setPropertyValue(PassRefPtrWillBeRawPtr<CSSValue>, CSSPropertyID);
bool setFamilyValue(CSSValueList*);
void loadInternal(ExecutionContext*);
ScriptPromise fontStatusPromise(ScriptState*);
typedef ScriptPromiseProperty<RawPtrWillBeMember<FontFace>, RawPtrWillBeMember<FontFace>, RefPtrWillBeMember<DOMException> > LoadedProperty;
AtomicString m_family;
RefPtrWillBeMember<CSSValue> m_src;
RefPtrWillBeMember<CSSValue> m_style;
RefPtrWillBeMember<CSSValue> m_weight;
RefPtrWillBeMember<CSSValue> m_stretch;
RefPtrWillBeMember<CSSValue> m_unicodeRange;
RefPtrWillBeMember<CSSValue> m_variant;
RefPtrWillBeMember<CSSValue> m_featureSettings;
LoadStatus m_status;
RefPtrWillBeMember<DOMException> m_error;
PersistentWillBeMember<LoadedProperty> m_loadedProperty;
OwnPtrWillBeMember<CSSFontFace> m_cssFontFace;
WillBeHeapVector<RefPtrWillBeMember<LoadFontCallback> > m_callbacks;
};
typedef WillBeHeapVector<RefPtrWillBeMember<FontFace> > FontFaceArray;
} // namespace blink
#endif // FontFace_h
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