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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "content/common/font_config_ipc_linux.h" | 5 #include "content/common/font_config_ipc_linux.h" |
6 | 6 |
7 #include <errno.h> | 7 #include <errno.h> |
8 #include <fcntl.h> | 8 #include <fcntl.h> |
9 #include <sys/mman.h> | 9 #include <sys/mman.h> |
10 #include <sys/socket.h> | 10 #include <sys/socket.h> |
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83 bool FontConfigIPC::matchFamilyName(const char familyName[], | 83 bool FontConfigIPC::matchFamilyName(const char familyName[], |
84 SkTypeface::Style requestedStyle, | 84 SkTypeface::Style requestedStyle, |
85 FontIdentity* outFontIdentity, | 85 FontIdentity* outFontIdentity, |
86 SkString* outFamilyName, | 86 SkString* outFamilyName, |
87 SkTypeface::Style* outStyle) { | 87 SkTypeface::Style* outStyle) { |
88 TRACE_EVENT0("sandbox_ipc", "FontConfigIPC::matchFamilyName"); | 88 TRACE_EVENT0("sandbox_ipc", "FontConfigIPC::matchFamilyName"); |
89 size_t familyNameLen = familyName ? strlen(familyName) : 0; | 89 size_t familyNameLen = familyName ? strlen(familyName) : 0; |
90 if (familyNameLen > kMaxFontFamilyLength) | 90 if (familyNameLen > kMaxFontFamilyLength) |
91 return false; | 91 return false; |
92 | 92 |
93 Pickle request; | 93 base::Pickle request; |
94 request.WriteInt(METHOD_MATCH); | 94 request.WriteInt(METHOD_MATCH); |
95 request.WriteData(familyName, familyNameLen); | 95 request.WriteData(familyName, familyNameLen); |
96 request.WriteUInt32(requestedStyle); | 96 request.WriteUInt32(requestedStyle); |
97 | 97 |
98 uint8_t reply_buf[2048]; | 98 uint8_t reply_buf[2048]; |
99 const ssize_t r = UnixDomainSocket::SendRecvMsg(fd_, reply_buf, | 99 const ssize_t r = UnixDomainSocket::SendRecvMsg(fd_, reply_buf, |
100 sizeof(reply_buf), NULL, | 100 sizeof(reply_buf), NULL, |
101 request); | 101 request); |
102 if (r == -1) | 102 if (r == -1) |
103 return false; | 103 return false; |
104 | 104 |
105 Pickle reply(reinterpret_cast<char*>(reply_buf), r); | 105 base::Pickle reply(reinterpret_cast<char*>(reply_buf), r); |
106 PickleIterator iter(reply); | 106 base::PickleIterator iter(reply); |
107 bool result; | 107 bool result; |
108 if (!iter.ReadBool(&result)) | 108 if (!iter.ReadBool(&result)) |
109 return false; | 109 return false; |
110 if (!result) | 110 if (!result) |
111 return false; | 111 return false; |
112 | 112 |
113 SkString reply_family; | 113 SkString reply_family; |
114 FontIdentity reply_identity; | 114 FontIdentity reply_identity; |
115 uint32_t reply_style; | 115 uint32_t reply_style; |
116 if (!skia::ReadSkString(&iter, &reply_family) || | 116 if (!skia::ReadSkString(&iter, &reply_family) || |
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132 SkStreamAsset* FontConfigIPC::openStream(const FontIdentity& identity) { | 132 SkStreamAsset* FontConfigIPC::openStream(const FontIdentity& identity) { |
133 TRACE_EVENT0("sandbox_ipc", "FontConfigIPC::openStream"); | 133 TRACE_EVENT0("sandbox_ipc", "FontConfigIPC::openStream"); |
134 | 134 |
135 { | 135 { |
136 base::AutoLock lock(lock_); | 136 base::AutoLock lock(lock_); |
137 auto mapped_font_files_it = mapped_font_files_.find(identity.fID); | 137 auto mapped_font_files_it = mapped_font_files_.find(identity.fID); |
138 if (mapped_font_files_it != mapped_font_files_.end()) | 138 if (mapped_font_files_it != mapped_font_files_.end()) |
139 return mapped_font_files_it->second->CreateMemoryStream(); | 139 return mapped_font_files_it->second->CreateMemoryStream(); |
140 } | 140 } |
141 | 141 |
142 Pickle request; | 142 base::Pickle request; |
143 request.WriteInt(METHOD_OPEN); | 143 request.WriteInt(METHOD_OPEN); |
144 request.WriteUInt32(identity.fID); | 144 request.WriteUInt32(identity.fID); |
145 | 145 |
146 int result_fd = -1; | 146 int result_fd = -1; |
147 uint8_t reply_buf[256]; | 147 uint8_t reply_buf[256]; |
148 const ssize_t r = UnixDomainSocket::SendRecvMsg(fd_, reply_buf, | 148 const ssize_t r = UnixDomainSocket::SendRecvMsg(fd_, reply_buf, |
149 sizeof(reply_buf), | 149 sizeof(reply_buf), |
150 &result_fd, request); | 150 &result_fd, request); |
151 | 151 |
152 if (r == -1) | 152 if (r == -1) |
153 return NULL; | 153 return NULL; |
154 | 154 |
155 Pickle reply(reinterpret_cast<char*>(reply_buf), r); | 155 base::Pickle reply(reinterpret_cast<char*>(reply_buf), r); |
156 bool result; | 156 bool result; |
157 PickleIterator iter(reply); | 157 base::PickleIterator iter(reply); |
158 if (!iter.ReadBool(&result) || !result) { | 158 if (!iter.ReadBool(&result) || !result) { |
159 if (result_fd) | 159 if (result_fd) |
160 CloseFD(result_fd); | 160 CloseFD(result_fd); |
161 return NULL; | 161 return NULL; |
162 } | 162 } |
163 | 163 |
164 scoped_refptr<MappedFontFile> mapped_font_file = | 164 scoped_refptr<MappedFontFile> mapped_font_file = |
165 new MappedFontFile(identity.fID); | 165 new MappedFontFile(identity.fID); |
166 if (!mapped_font_file->Initialize(result_fd)) | 166 if (!mapped_font_file->Initialize(result_fd)) |
167 return nullptr; | 167 return nullptr; |
168 | 168 |
169 { | 169 { |
170 base::AutoLock lock(lock_); | 170 base::AutoLock lock(lock_); |
171 auto mapped_font_files_it = | 171 auto mapped_font_files_it = |
172 mapped_font_files_.insert(std::make_pair(mapped_font_file->font_id(), | 172 mapped_font_files_.insert(std::make_pair(mapped_font_file->font_id(), |
173 mapped_font_file.get())).first; | 173 mapped_font_file.get())).first; |
174 return mapped_font_files_it->second->CreateMemoryStream(); | 174 return mapped_font_files_it->second->CreateMemoryStream(); |
175 } | 175 } |
176 } | 176 } |
177 | 177 |
178 void FontConfigIPC::RemoveMappedFontFile(MappedFontFile* mapped_font_file) { | 178 void FontConfigIPC::RemoveMappedFontFile(MappedFontFile* mapped_font_file) { |
179 base::AutoLock lock(lock_); | 179 base::AutoLock lock(lock_); |
180 mapped_font_files_.erase(mapped_font_file->font_id()); | 180 mapped_font_files_.erase(mapped_font_file->font_id()); |
181 } | 181 } |
182 | 182 |
183 } // namespace content | 183 } // namespace content |
184 | 184 |
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