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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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