| /* |
| * 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 "core/CSSPropertyNames.h" |
| #include "core/css/CSSValue.h" |
| #include "core/dom/ContextLifecycleObserver.h" |
| #include "core/dom/DOMException.h" |
| #include "platform/bindings/ActiveScriptWrappable.h" |
| #include "platform/bindings/ScriptWrappable.h" |
| #include "platform/fonts/FontTraits.h" |
| #include "platform/wtf/text/WTFString.h" |
| |
| namespace blink { |
| |
| class CSSFontFace; |
| class CSSValue; |
| class DOMArrayBuffer; |
| class DOMArrayBufferView; |
| class Document; |
| class ExceptionState; |
| class FontFaceDescriptors; |
| class StringOrArrayBufferOrArrayBufferView; |
| class StylePropertySet; |
| class StyleRuleFontFace; |
| class WebTaskRunner; |
| |
| class CORE_EXPORT FontFace : public GarbageCollectedFinalized<FontFace>, |
| public ScriptWrappable, |
| public ActiveScriptWrappable<FontFace>, |
| public ContextClient { |
| DEFINE_WRAPPERTYPEINFO(); |
| USING_GARBAGE_COLLECTED_MIXIN(FontFace); |
| WTF_MAKE_NONCOPYABLE(FontFace); |
| |
| public: |
| enum LoadStatusType { kUnloaded, kLoading, kLoaded, kError }; |
| |
| static FontFace* Create(ExecutionContext*, |
| const AtomicString& family, |
| StringOrArrayBufferOrArrayBufferView&, |
| const FontFaceDescriptors&); |
| static FontFace* Create(Document*, const StyleRuleFontFace*); |
| |
| virtual ~FontFace(); |
| |
| const AtomicString& family() const { return family_; } |
| String style() const; |
| String weight() const; |
| String stretch() const; |
| String unicodeRange() const; |
| String variant() const; |
| String featureSettings() const; |
| String display() const; |
| |
| // FIXME: Changing these attributes should affect font matching. |
| void setFamily(ExecutionContext*, const AtomicString& s, ExceptionState&) { |
| 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&); |
| void setDisplay(ExecutionContext*, const String&, ExceptionState&); |
| |
| String status() const; |
| ScriptPromise loaded(ScriptState* script_state) { |
| return FontStatusPromise(script_state); |
| } |
| |
| ScriptPromise load(ScriptState*); |
| |
| LoadStatusType LoadStatus() const { return status_; } |
| void SetLoadStatus(LoadStatusType); |
| void SetError(DOMException* = nullptr); |
| DOMException* GetError() const { return error_; } |
| FontTraits Traits() const; |
| CSSFontFace* CssFontFace() { return css_font_face_.Get(); } |
| size_t ApproximateBlankCharacterCount() const; |
| |
| DECLARE_VIRTUAL_TRACE(); |
| |
| bool HadBlankText() const; |
| |
| class CORE_EXPORT LoadFontCallback : public GarbageCollectedMixin { |
| public: |
| virtual ~LoadFontCallback() {} |
| virtual void NotifyLoaded(FontFace*) = 0; |
| virtual void NotifyError(FontFace*) = 0; |
| DEFINE_INLINE_VIRTUAL_TRACE() {} |
| }; |
| void LoadWithCallback(LoadFontCallback*); |
| void AddCallback(LoadFontCallback*); |
| |
| // ScriptWrappable: |
| bool HasPendingActivity() const final; |
| |
| private: |
| static FontFace* Create(ExecutionContext*, |
| const AtomicString& family, |
| DOMArrayBuffer* source, |
| const FontFaceDescriptors&); |
| static FontFace* Create(ExecutionContext*, |
| const AtomicString& family, |
| DOMArrayBufferView*, |
| const FontFaceDescriptors&); |
| static FontFace* Create(ExecutionContext*, |
| const AtomicString& family, |
| const String& source, |
| const FontFaceDescriptors&); |
| |
| explicit FontFace(ExecutionContext*); |
| FontFace(ExecutionContext*, |
| const AtomicString& family, |
| const FontFaceDescriptors&); |
| |
| void InitCSSFontFace(Document*, const CSSValue* src); |
| void InitCSSFontFace(const unsigned char* data, size_t); |
| void SetPropertyFromString(const Document*, |
| const String&, |
| CSSPropertyID, |
| ExceptionState* = 0); |
| bool SetPropertyFromStyle(const StylePropertySet&, CSSPropertyID); |
| bool SetPropertyValue(const CSSValue*, CSSPropertyID); |
| bool SetFamilyValue(const CSSValue&); |
| ScriptPromise FontStatusPromise(ScriptState*); |
| WebTaskRunner* GetTaskRunner(); |
| void RunCallbacks(); |
| |
| using LoadedProperty = ScriptPromiseProperty<Member<FontFace>, |
| Member<FontFace>, |
| Member<DOMException>>; |
| |
| AtomicString family_; |
| String ots_parse_message_; |
| Member<const CSSValue> style_; |
| Member<const CSSValue> weight_; |
| Member<const CSSValue> stretch_; |
| Member<const CSSValue> unicode_range_; |
| Member<const CSSValue> variant_; |
| Member<const CSSValue> feature_settings_; |
| Member<const CSSValue> display_; |
| LoadStatusType status_; |
| Member<DOMException> error_; |
| |
| Member<LoadedProperty> loaded_property_; |
| Member<CSSFontFace> css_font_face_; |
| HeapVector<Member<LoadFontCallback>> callbacks_; |
| }; |
| |
| using FontFaceArray = HeapVector<Member<FontFace>>; |
| |
| } // namespace blink |
| |
| #endif // FontFace_h |