| /* |
| * 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(DOMException* = nullptr); |
| DOMException* error() const { return m_error; } |
| FontTraits traits() const; |
| CSSFontFace* cssFontFace() { return m_cssFontFace.get(); } |
| |
| DECLARE_VIRTUAL_TRACE(); |
| |
| bool hadBlankText() const; |
| |
| class LoadFontCallback : public RefCountedWillBeGarbageCollectedFinalized<LoadFontCallback> { |
| public: |
| virtual ~LoadFontCallback() { } |
| virtual void notifyLoaded(FontFace*) = 0; |
| virtual void notifyError(FontFace*) = 0; |
| DEFINE_INLINE_VIRTUAL_TRACE() { } |
| }; |
| 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>, Member<DOMException>> LoadedProperty; |
| |
| AtomicString m_family; |
| String m_otsParseMessage; |
| 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; |
| PersistentWillBeMember<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 |