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comparison: ipc/glue/ScopedXREEmbed.cpp
ipc/glue/ScopedXREEmbed.cpp
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:8bf503b44f24 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #include "ScopedXREEmbed.h" | |
| 6 | |
| 7 #include "base/command_line.h" | |
| 8 #include "base/string_util.h" | |
| 9 | |
| 10 #include "nsIFile.h" | |
| 11 | |
| 12 #include "nsCOMPtr.h" | |
| 13 #include "nsServiceManagerUtils.h" | |
| 14 #include "nsString.h" | |
| 15 #include "nsXULAppAPI.h" | |
| 16 | |
| 17 using mozilla::ipc::ScopedXREEmbed; | |
| 18 | |
| 19 ScopedXREEmbed::ScopedXREEmbed() | |
| 20 : mShouldKillEmbedding(false) | |
| 21 { | |
| 22 NS_LogInit(); | |
| 23 } | |
| 24 | |
| 25 ScopedXREEmbed::~ScopedXREEmbed() | |
| 26 { | |
| 27 Stop(); | |
| 28 NS_LogTerm(); | |
| 29 } | |
| 30 | |
| 31 void | |
| 32 ScopedXREEmbed::SetAppDir(const nsACString& aPath) | |
| 33 { | |
| 34 bool flag; | |
| 35 nsresult rv = | |
| 36 XRE_GetFileFromPath(aPath.BeginReading(), getter_AddRefs(mAppDir)); | |
| 37 if (NS_FAILED(rv) || | |
| 38 NS_FAILED(mAppDir->Exists(&flag)) || !flag) { | |
| 39 NS_WARNING("Invalid application directory passed to content process."); | |
| 40 mAppDir = nullptr; | |
| 41 } | |
| 42 } | |
| 43 | |
| 44 void | |
| 45 ScopedXREEmbed::Start() | |
| 46 { | |
| 47 std::string path; | |
| 48 #if defined(OS_WIN) | |
| 49 path = WideToUTF8(CommandLine::ForCurrentProcess()->program()); | |
| 50 #elif defined(OS_POSIX) | |
| 51 path = CommandLine::ForCurrentProcess()->argv()[0]; | |
| 52 #else | |
| 53 # error Sorry | |
| 54 #endif | |
| 55 | |
| 56 nsCOMPtr<nsIFile> localFile; | |
| 57 nsresult rv = XRE_GetBinaryPath(path.c_str(), getter_AddRefs(localFile)); | |
| 58 if (NS_FAILED(rv)) | |
| 59 return; | |
| 60 | |
| 61 nsCOMPtr<nsIFile> parent; | |
| 62 rv = localFile->GetParent(getter_AddRefs(parent)); | |
| 63 if (NS_FAILED(rv)) | |
| 64 return; | |
| 65 | |
| 66 localFile = do_QueryInterface(parent); | |
| 67 NS_ENSURE_TRUE_VOID(localFile); | |
| 68 | |
| 69 #ifdef OS_MACOSX | |
| 70 if (XRE_GetProcessType() == GeckoProcessType_Content) { | |
| 71 // We're an XPCOM-using subprocess. Walk out of | |
| 72 // [subprocess].app/Contents/MacOS to the real GRE dir. | |
| 73 rv = localFile->GetParent(getter_AddRefs(parent)); | |
| 74 if (NS_FAILED(rv)) | |
| 75 return; | |
| 76 | |
| 77 localFile = do_QueryInterface(parent); | |
| 78 NS_ENSURE_TRUE_VOID(localFile); | |
| 79 | |
| 80 rv = localFile->GetParent(getter_AddRefs(parent)); | |
| 81 if (NS_FAILED(rv)) | |
| 82 return; | |
| 83 | |
| 84 localFile = do_QueryInterface(parent); | |
| 85 NS_ENSURE_TRUE_VOID(localFile); | |
| 86 | |
| 87 rv = localFile->GetParent(getter_AddRefs(parent)); | |
| 88 if (NS_FAILED(rv)) | |
| 89 return; | |
| 90 | |
| 91 localFile = do_QueryInterface(parent); | |
| 92 NS_ENSURE_TRUE_VOID(localFile); | |
| 93 } | |
| 94 #endif | |
| 95 | |
| 96 if (mAppDir) | |
| 97 rv = XRE_InitEmbedding2(localFile, mAppDir, nullptr); | |
| 98 else | |
| 99 rv = XRE_InitEmbedding2(localFile, localFile, nullptr); | |
| 100 if (NS_FAILED(rv)) | |
| 101 return; | |
| 102 | |
| 103 mShouldKillEmbedding = true; | |
| 104 } | |
| 105 | |
| 106 void | |
| 107 ScopedXREEmbed::Stop() | |
| 108 { | |
| 109 if (mShouldKillEmbedding) { | |
| 110 XRE_TermEmbedding(); | |
| 111 mShouldKillEmbedding = false; | |
| 112 } | |
| 113 } |
