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      1 /*
      2  * Copyright (C) 2013 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include "config.h"
     32 #include "platform/fonts/GenericFontFamilySettings.h"
     33 
     34 namespace WebCore {
     35 
     36 GenericFontFamilySettings::GenericFontFamilySettings(const GenericFontFamilySettings& other)
     37     : m_standardFontFamilyMap(other.m_standardFontFamilyMap)
     38     , m_serifFontFamilyMap(other.m_serifFontFamilyMap)
     39     , m_fixedFontFamilyMap(other.m_fixedFontFamilyMap)
     40     , m_sansSerifFontFamilyMap(other.m_sansSerifFontFamilyMap)
     41     , m_cursiveFontFamilyMap(other.m_cursiveFontFamilyMap)
     42     , m_fantasyFontFamilyMap(other.m_fantasyFontFamilyMap)
     43     , m_pictographFontFamilyMap(other.m_pictographFontFamilyMap)
     44 {
     45 }
     46 
     47 GenericFontFamilySettings& GenericFontFamilySettings::operator=(const GenericFontFamilySettings& other)
     48 {
     49     m_standardFontFamilyMap = other.m_standardFontFamilyMap;
     50     m_serifFontFamilyMap = other.m_serifFontFamilyMap;
     51     m_fixedFontFamilyMap = other.m_fixedFontFamilyMap;
     52     m_sansSerifFontFamilyMap = other.m_sansSerifFontFamilyMap;
     53     m_cursiveFontFamilyMap = other.m_cursiveFontFamilyMap;
     54     m_fantasyFontFamilyMap = other.m_fantasyFontFamilyMap;
     55     m_pictographFontFamilyMap = other.m_pictographFontFamilyMap;
     56     return *this;
     57 }
     58 
     59 // Sets the entry in the font map for the given script. If family is the empty string, removes the entry instead.
     60 void GenericFontFamilySettings::setGenericFontFamilyMap(ScriptFontFamilyMap& fontMap, const AtomicString& family, UScriptCode script)
     61 {
     62     ScriptFontFamilyMap::iterator it = fontMap.find(static_cast<int>(script));
     63     if (family.isEmpty()) {
     64         if (it == fontMap.end())
     65             return;
     66         fontMap.remove(it);
     67     } else if (it != fontMap.end() && it->value == family) {
     68         return;
     69     } else {
     70         fontMap.set(static_cast<int>(script), family);
     71     }
     72 }
     73 
     74 const AtomicString& GenericFontFamilySettings::genericFontFamilyForScript(const ScriptFontFamilyMap& fontMap, UScriptCode script) const
     75 {
     76     ScriptFontFamilyMap::const_iterator it = fontMap.find(static_cast<int>(script));
     77     if (it != fontMap.end())
     78         return it->value;
     79     if (script != USCRIPT_COMMON)
     80         return genericFontFamilyForScript(fontMap, USCRIPT_COMMON);
     81     return emptyAtom;
     82 }
     83 
     84 const AtomicString& GenericFontFamilySettings::standard(UScriptCode script) const
     85 {
     86     return genericFontFamilyForScript(m_standardFontFamilyMap, script);
     87 }
     88 
     89 void GenericFontFamilySettings::setStandard(const AtomicString& family, UScriptCode script)
     90 {
     91     setGenericFontFamilyMap(m_standardFontFamilyMap, family, script);
     92 }
     93 
     94 const AtomicString& GenericFontFamilySettings::fixed(UScriptCode script) const
     95 {
     96     return genericFontFamilyForScript(m_fixedFontFamilyMap, script);
     97 }
     98 
     99 void GenericFontFamilySettings::setFixed(const AtomicString& family, UScriptCode script)
    100 {
    101     setGenericFontFamilyMap(m_fixedFontFamilyMap, family, script);
    102 }
    103 
    104 const AtomicString& GenericFontFamilySettings::serif(UScriptCode script) const
    105 {
    106     return genericFontFamilyForScript(m_serifFontFamilyMap, script);
    107 }
    108 
    109 void GenericFontFamilySettings::setSerif(const AtomicString& family, UScriptCode script)
    110 {
    111     setGenericFontFamilyMap(m_serifFontFamilyMap, family, script);
    112 }
    113 
    114 const AtomicString& GenericFontFamilySettings::sansSerif(UScriptCode script) const
    115 {
    116     return genericFontFamilyForScript(m_sansSerifFontFamilyMap, script);
    117 }
    118 
    119 void GenericFontFamilySettings::setSansSerif(const AtomicString& family, UScriptCode script)
    120 {
    121     setGenericFontFamilyMap(m_sansSerifFontFamilyMap, family, script);
    122 }
    123 
    124 const AtomicString& GenericFontFamilySettings::cursive(UScriptCode script) const
    125 {
    126     return genericFontFamilyForScript(m_cursiveFontFamilyMap, script);
    127 }
    128 
    129 void GenericFontFamilySettings::setCursive(const AtomicString& family, UScriptCode script)
    130 {
    131     setGenericFontFamilyMap(m_cursiveFontFamilyMap, family, script);
    132 }
    133 
    134 const AtomicString& GenericFontFamilySettings::fantasy(UScriptCode script) const
    135 {
    136     return genericFontFamilyForScript(m_fantasyFontFamilyMap, script);
    137 }
    138 
    139 void GenericFontFamilySettings::setFantasy(const AtomicString& family, UScriptCode script)
    140 {
    141     setGenericFontFamilyMap(m_fantasyFontFamilyMap, family, script);
    142 }
    143 
    144 const AtomicString& GenericFontFamilySettings::pictograph(UScriptCode script) const
    145 {
    146     return genericFontFamilyForScript(m_pictographFontFamilyMap, script);
    147 }
    148 
    149 void GenericFontFamilySettings::setPictograph(const AtomicString& family, UScriptCode script)
    150 {
    151     setGenericFontFamilyMap(m_pictographFontFamilyMap, family, script);
    152 }
    153 
    154 void GenericFontFamilySettings::reset()
    155 {
    156     m_standardFontFamilyMap.clear();
    157     m_serifFontFamilyMap.clear();
    158     m_fixedFontFamilyMap.clear();
    159     m_sansSerifFontFamilyMap.clear();
    160     m_cursiveFontFamilyMap.clear();
    161     m_fantasyFontFamilyMap.clear();
    162     m_pictographFontFamilyMap.clear();
    163 }
    164 
    165 }
    166