mirror of
https://github.com/mozilla/gecko-dev.git
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114 lines
2.5 KiB
C++
114 lines
2.5 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "ScopedXREEmbed.h"
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#include "base/command_line.h"
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#include "base/string_util.h"
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#include "nsIFile.h"
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#include "nsCOMPtr.h"
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#include "nsServiceManagerUtils.h"
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#include "nsStringGlue.h"
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#include "nsXULAppAPI.h"
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using mozilla::ipc::ScopedXREEmbed;
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ScopedXREEmbed::ScopedXREEmbed()
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: mShouldKillEmbedding(false)
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{
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NS_LogInit();
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}
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ScopedXREEmbed::~ScopedXREEmbed()
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{
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Stop();
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NS_LogTerm();
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}
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void
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ScopedXREEmbed::SetAppDir(const nsACString& aPath)
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{
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bool flag;
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nsresult rv =
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XRE_GetFileFromPath(aPath.BeginReading(), getter_AddRefs(mAppDir));
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if (NS_FAILED(rv) ||
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NS_FAILED(mAppDir->Exists(&flag)) || !flag) {
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NS_WARNING("Invalid application directory passed to content process.");
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mAppDir = nullptr;
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}
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}
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void
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ScopedXREEmbed::Start()
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{
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std::string path;
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#if defined(OS_WIN)
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path = WideToUTF8(CommandLine::ForCurrentProcess()->program());
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#elif defined(OS_POSIX)
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path = CommandLine::ForCurrentProcess()->argv()[0];
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#else
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# error Sorry
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#endif
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nsCOMPtr<nsIFile> localFile;
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nsresult rv = XRE_GetBinaryPath(path.c_str(), getter_AddRefs(localFile));
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if (NS_FAILED(rv))
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return;
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nsCOMPtr<nsIFile> parent;
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rv = localFile->GetParent(getter_AddRefs(parent));
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if (NS_FAILED(rv))
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return;
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localFile = do_QueryInterface(parent);
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NS_ENSURE_TRUE_VOID(localFile);
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#ifdef OS_MACOSX
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if (XRE_GetProcessType() == GeckoProcessType_Content) {
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// We're an XPCOM-using subprocess. Walk out of
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// [subprocess].app/Contents/MacOS to the real GRE dir.
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rv = localFile->GetParent(getter_AddRefs(parent));
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if (NS_FAILED(rv))
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return;
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localFile = do_QueryInterface(parent);
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NS_ENSURE_TRUE_VOID(localFile);
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rv = localFile->GetParent(getter_AddRefs(parent));
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if (NS_FAILED(rv))
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return;
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localFile = do_QueryInterface(parent);
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NS_ENSURE_TRUE_VOID(localFile);
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rv = localFile->GetParent(getter_AddRefs(parent));
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if (NS_FAILED(rv))
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return;
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localFile = do_QueryInterface(parent);
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NS_ENSURE_TRUE_VOID(localFile);
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}
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#endif
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if (mAppDir)
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rv = XRE_InitEmbedding2(localFile, mAppDir, nullptr);
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else
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rv = XRE_InitEmbedding2(localFile, localFile, nullptr);
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if (NS_FAILED(rv))
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return;
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mShouldKillEmbedding = true;
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}
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void
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ScopedXREEmbed::Stop()
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{
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if (mShouldKillEmbedding) {
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XRE_TermEmbedding();
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mShouldKillEmbedding = false;
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}
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}
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