ipc/glue/ScopedXREEmbed.cpp@6474c204b198 (annotated)
ipc/glue/ScopedXREEmbed.cpp
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 3 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 4 | |
| michael@0 | 5 | #include "ScopedXREEmbed.h" |
| michael@0 | 6 | |
| michael@0 | 7 | #include "base/command_line.h" |
| michael@0 | 8 | #include "base/string_util.h" |
| michael@0 | 9 | |
| michael@0 | 10 | #include "nsIFile.h" |
| michael@0 | 11 | |
| michael@0 | 12 | #include "nsCOMPtr.h" |
| michael@0 | 13 | #include "nsServiceManagerUtils.h" |
| michael@0 | 14 | #include "nsString.h" |
| michael@0 | 15 | #include "nsXULAppAPI.h" |
| michael@0 | 16 | |
| michael@0 | 17 | using mozilla::ipc::ScopedXREEmbed; |
| michael@0 | 18 | |
| michael@0 | 19 | ScopedXREEmbed::ScopedXREEmbed() |
| michael@0 | 20 | : mShouldKillEmbedding(false) |
| michael@0 | 21 | { |
| michael@0 | 22 | NS_LogInit(); |
| michael@0 | 23 | } |
| michael@0 | 24 | |
| michael@0 | 25 | ScopedXREEmbed::~ScopedXREEmbed() |
| michael@0 | 26 | { |
| michael@0 | 27 | Stop(); |
| michael@0 | 28 | NS_LogTerm(); |
| michael@0 | 29 | } |
| michael@0 | 30 | |
| michael@0 | 31 | void |
| michael@0 | 32 | ScopedXREEmbed::SetAppDir(const nsACString& aPath) |
| michael@0 | 33 | { |
| michael@0 | 34 | bool flag; |
| michael@0 | 35 | nsresult rv = |
| michael@0 | 36 | XRE_GetFileFromPath(aPath.BeginReading(), getter_AddRefs(mAppDir)); |
| michael@0 | 37 | if (NS_FAILED(rv) || |
| michael@0 | 38 | NS_FAILED(mAppDir->Exists(&flag)) || !flag) { |
| michael@0 | 39 | NS_WARNING("Invalid application directory passed to content process."); |
| michael@0 | 40 | mAppDir = nullptr; |
| michael@0 | 41 | } |
| michael@0 | 42 | } |
| michael@0 | 43 | |
| michael@0 | 44 | void |
| michael@0 | 45 | ScopedXREEmbed::Start() |
| michael@0 | 46 | { |
| michael@0 | 47 | std::string path; |
| michael@0 | 48 | #if defined(OS_WIN) |
| michael@0 | 49 | path = WideToUTF8(CommandLine::ForCurrentProcess()->program()); |
| michael@0 | 50 | #elif defined(OS_POSIX) |
| michael@0 | 51 | path = CommandLine::ForCurrentProcess()->argv()[0]; |
| michael@0 | 52 | #else |
| michael@0 | 53 | # error Sorry |
| michael@0 | 54 | #endif |
| michael@0 | 55 | |
| michael@0 | 56 | nsCOMPtr<nsIFile> localFile; |
| michael@0 | 57 | nsresult rv = XRE_GetBinaryPath(path.c_str(), getter_AddRefs(localFile)); |
| michael@0 | 58 | if (NS_FAILED(rv)) |
| michael@0 | 59 | return; |
| michael@0 | 60 | |
| michael@0 | 61 | nsCOMPtr<nsIFile> parent; |
| michael@0 | 62 | rv = localFile->GetParent(getter_AddRefs(parent)); |
| michael@0 | 63 | if (NS_FAILED(rv)) |
| michael@0 | 64 | return; |
| michael@0 | 65 | |
| michael@0 | 66 | localFile = do_QueryInterface(parent); |
| michael@0 | 67 | NS_ENSURE_TRUE_VOID(localFile); |
| michael@0 | 68 | |
| michael@0 | 69 | #ifdef OS_MACOSX |
| michael@0 | 70 | if (XRE_GetProcessType() == GeckoProcessType_Content) { |
| michael@0 | 71 | // We're an XPCOM-using subprocess. Walk out of |
| michael@0 | 72 | // [subprocess].app/Contents/MacOS to the real GRE dir. |
| michael@0 | 73 | rv = localFile->GetParent(getter_AddRefs(parent)); |
| michael@0 | 74 | if (NS_FAILED(rv)) |
| michael@0 | 75 | return; |
| michael@0 | 76 | |
| michael@0 | 77 | localFile = do_QueryInterface(parent); |
| michael@0 | 78 | NS_ENSURE_TRUE_VOID(localFile); |
| michael@0 | 79 | |
| michael@0 | 80 | rv = localFile->GetParent(getter_AddRefs(parent)); |
| michael@0 | 81 | if (NS_FAILED(rv)) |
| michael@0 | 82 | return; |
| michael@0 | 83 | |
| michael@0 | 84 | localFile = do_QueryInterface(parent); |
| michael@0 | 85 | NS_ENSURE_TRUE_VOID(localFile); |
| michael@0 | 86 | |
| michael@0 | 87 | rv = localFile->GetParent(getter_AddRefs(parent)); |
| michael@0 | 88 | if (NS_FAILED(rv)) |
| michael@0 | 89 | return; |
| michael@0 | 90 | |
| michael@0 | 91 | localFile = do_QueryInterface(parent); |
| michael@0 | 92 | NS_ENSURE_TRUE_VOID(localFile); |
| michael@0 | 93 | } |
| michael@0 | 94 | #endif |
| michael@0 | 95 | |
| michael@0 | 96 | if (mAppDir) |
| michael@0 | 97 | rv = XRE_InitEmbedding2(localFile, mAppDir, nullptr); |
| michael@0 | 98 | else |
| michael@0 | 99 | rv = XRE_InitEmbedding2(localFile, localFile, nullptr); |
| michael@0 | 100 | if (NS_FAILED(rv)) |
| michael@0 | 101 | return; |
| michael@0 | 102 | |
| michael@0 | 103 | mShouldKillEmbedding = true; |
| michael@0 | 104 | } |
| michael@0 | 105 | |
| michael@0 | 106 | void |
| michael@0 | 107 | ScopedXREEmbed::Stop() |
| michael@0 | 108 | { |
| michael@0 | 109 | if (mShouldKillEmbedding) { |
| michael@0 | 110 | XRE_TermEmbedding(); |
| michael@0 | 111 | mShouldKillEmbedding = false; |
| michael@0 | 112 | } |
| michael@0 | 113 | } |
