15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2007, 2008 Apple Inc. All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Redistribution and use in source and binary forms, with or without 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modification, are permitted provided that the following conditions 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * are met: 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 1. Redistributions of source code must retain the above copyright 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer. 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 2. Redistributions in binary form must reproduce the above copyright 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer in the 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * documentation and/or other materials provided with the distribution. 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#ifndef CSSFontFace_h 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#define CSSFontFace_h 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2953e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/css/CSSFontFaceSource.h" 30f91f5fa1608c2cdd9af1842fb5dadbe78275be2aBo Liu#include "core/css/CSSSegmentedFontFace.h" 319bbd2f5e390b01907d97ecffde80aa1b06113aacTorne (Richard Coles)#include "core/css/FontFace.h" 3209380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)#include "wtf/Deque.h" 33591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdoch#include "wtf/Forward.h" 34591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdoch#include "wtf/PassRefPtr.h" 35591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdoch#include "wtf/Vector.h" 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 37c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink { 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)class FontDescription; 40d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles)class RemoteFontFaceSource; 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)class SimpleFontData; 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 43f91f5fa1608c2cdd9af1842fb5dadbe78275be2aBo Liuclass CSSFontFace FINAL : public NoBaseWillBeGarbageCollectedFinalized<CSSFontFace> { 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 45d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) struct UnicodeRange; 461e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) class UnicodeRangeSet; 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 48d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) CSSFontFace(FontFace* fontFace, Vector<UnicodeRange>& ranges) 49d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) : m_ranges(ranges) 50f91f5fa1608c2cdd9af1842fb5dadbe78275be2aBo Liu , m_segmentedFontFace(nullptr) 5109380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) , m_fontFace(fontFace) 5209380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) { 5309380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) ASSERT(m_fontFace); 5409380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) } 55a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles) 5609380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) FontFace* fontFace() const { return m_fontFace; } 579bbd2f5e390b01907d97ecffde80aa1b06113aacTorne (Richard Coles) 581e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) UnicodeRangeSet& ranges() { return m_ranges; } 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 60e1f1df5f01594c0e62e751e4b46e779b85c2faa5Torne (Richard Coles) void setSegmentedFontFace(CSSSegmentedFontFace*); 61f91f5fa1608c2cdd9af1842fb5dadbe78275be2aBo Liu void clearSegmentedFontFace() { m_segmentedFontFace = nullptr; } 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 6309380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) bool isValid() const { return !m_sources.isEmpty(); } 645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 65d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles) void addSource(PassOwnPtrWillBeRawPtr<CSSFontFaceSource>); 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 67d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles) void didBeginLoad(); 68d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) void fontLoaded(RemoteFontFaceSource*); 69d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) void fontLoadWaitLimitExceeded(RemoteFontFaceSource*); 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 7151b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) PassRefPtr<SimpleFontData> getFontData(const FontDescription&); 725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) struct UnicodeRange { 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) UnicodeRange(UChar32 from, UChar32 to) 755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) : m_from(from) 765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) , m_to(to) 775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) UChar32 from() const { return m_from; } 815c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) UChar32 to() const { return m_to; } 821e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) bool contains(UChar32 c) const { return m_from <= c && c <= m_to; } 83d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) bool operator<(const UnicodeRange& other) const { return m_from < other.m_from; } 84d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) bool operator<(UChar32 c) const { return m_to < c; } 855c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 865c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) private: 875c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) UChar32 m_from; 885c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) UChar32 m_to; 895c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) }; 905c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 911e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) class UnicodeRangeSet { 921e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) public: 93d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) explicit UnicodeRangeSet(const Vector<UnicodeRange>&); 94f91f5fa1608c2cdd9af1842fb5dadbe78275be2aBo Liu bool contains(UChar32) const; 951e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) bool intersectsWith(const String&) const; 9651b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) bool isEntireRange() const { return m_ranges.isEmpty(); } 971e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) size_t size() const { return m_ranges.size(); } 981e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) const UnicodeRange& rangeAt(size_t i) const { return m_ranges[i]; } 991e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) private: 10051b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) Vector<UnicodeRange> m_ranges; // If empty, represents the whole code space. 1011e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) }; 1025c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 10351b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) FontFace::LoadStatus loadStatus() const { return m_fontFace->loadStatus(); } 104f91f5fa1608c2cdd9af1842fb5dadbe78275be2aBo Liu bool maybeScheduleFontLoad(const FontDescription&, UChar32); 105d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles) void load(); 106d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles) void load(const FontDescription&); 107926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 108d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) bool hadBlankText() { return isValid() && m_sources.first()->hadBlankText(); } 109d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) 110f91f5fa1608c2cdd9af1842fb5dadbe78275be2aBo Liu void trace(Visitor*); 111f91f5fa1608c2cdd9af1842fb5dadbe78275be2aBo Liu 1125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)private: 1139bbd2f5e390b01907d97ecffde80aa1b06113aacTorne (Richard Coles) void setLoadStatus(FontFace::LoadStatus); 1145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1151e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) UnicodeRangeSet m_ranges; 116f91f5fa1608c2cdd9af1842fb5dadbe78275be2aBo Liu RawPtrWillBeMember<CSSSegmentedFontFace> m_segmentedFontFace; 117d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles) WillBeHeapDeque<OwnPtrWillBeMember<CSSFontFaceSource> > m_sources; 118f91f5fa1608c2cdd9af1842fb5dadbe78275be2aBo Liu RawPtrWillBeMember<FontFace> m_fontFace; 1195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 1205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 1225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#endif 124