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
3 // found in the LICENSE file.
4
5 #include "chrome/renderer/pepper/pepper_flash_font_file_host.h"
6
7 #include "build/build_config.h"
8 #include "content/public/renderer/renderer_ppapi_host.h"
9 #include "ppapi/c/pp_errors.h"
10 #include "ppapi/host/dispatch_host_message.h"
11 #include "ppapi/host/host_message_context.h"
12 #include "ppapi/host/ppapi_host.h"
13 #include "ppapi/proxy/ppapi_messages.h"
14 #include "ppapi/proxy/serialized_structs.h"
15
16 #if defined(OS_LINUX) || defined(OS_OPENBSD)
17 #include "content/public/common/child_process_sandbox_support_linux.h"
18 #endif
19
PepperFlashFontFileHost(content::RendererPpapiHost * host,PP_Instance instance,PP_Resource resource,const ppapi::proxy::SerializedFontDescription & description,PP_PrivateFontCharset charset)20 PepperFlashFontFileHost::PepperFlashFontFileHost(
21 content::RendererPpapiHost* host,
22 PP_Instance instance,
23 PP_Resource resource,
24 const ppapi::proxy::SerializedFontDescription& description,
25 PP_PrivateFontCharset charset)
26 : ResourceHost(host->GetPpapiHost(), instance, resource),
27 renderer_ppapi_host_(host),
28 fd_(-1) {
29 #if defined(OS_LINUX) || defined(OS_OPENBSD)
30 fd_ = content::MatchFontWithFallback(
31 description.face.c_str(), description.weight >=
32 PP_BROWSERFONT_TRUSTED_WEIGHT_BOLD,
33 description.italic, charset);
34 #endif // defined(OS_LINUX) || defined(OS_OPENBSD)
35 }
36
~PepperFlashFontFileHost()37 PepperFlashFontFileHost::~PepperFlashFontFileHost() {
38 }
39
OnResourceMessageReceived(const IPC::Message & msg,ppapi::host::HostMessageContext * context)40 int32_t PepperFlashFontFileHost::OnResourceMessageReceived(
41 const IPC::Message& msg,
42 ppapi::host::HostMessageContext* context) {
43 IPC_BEGIN_MESSAGE_MAP(PepperFlashFontFileHost, msg)
44 PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_FlashFontFile_GetFontTable,
45 OnGetFontTable)
46 IPC_END_MESSAGE_MAP()
47 return PP_ERROR_FAILED;
48 }
49
OnGetFontTable(ppapi::host::HostMessageContext * context,uint32_t table)50 int32_t PepperFlashFontFileHost::OnGetFontTable(
51 ppapi::host::HostMessageContext* context,
52 uint32_t table) {
53 std::string contents;
54 int32_t result = PP_ERROR_FAILED;
55 #if defined(OS_LINUX) || defined(OS_OPENBSD)
56 if (fd_ != -1) {
57 size_t length = 0;
58 if (content::GetFontTable(fd_, table, 0 /* offset */, NULL, &length)) {
59 contents.resize(length);
60 uint8_t* contents_ptr =
61 reinterpret_cast<uint8_t*>(const_cast<char*>(contents.c_str()));
62 if (content::GetFontTable(fd_, table, 0 /* offset */,
63 contents_ptr, &length)) {
64 result = PP_OK;
65 } else {
66 contents.clear();
67 }
68 }
69 }
70 #endif // defined(OS_LINUX) || defined(OS_OPENBSD)
71
72 context->reply_msg = PpapiPluginMsg_FlashFontFile_GetFontTableReply(contents);
73 return result;
74 }
75