зеркало из https://github.com/mozilla/gecko-dev.git
93 строки
2.8 KiB
Plaintext
93 строки
2.8 KiB
Plaintext
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* 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 "nsCommandLineServiceMac.h"
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#include "MacApplicationDelegate.h"
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namespace CommandLineServiceMac {
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static const int kArgsGrowSize = 20;
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static char** sArgs = nullptr;
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static int sArgsAllocated = 0;
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static int sArgsUsed = 0;
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static bool sBuildingCommandLine = false;
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void AddToCommandLine(const char* inArgText) {
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if (sArgsUsed >= sArgsAllocated - 1) {
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// realloc does not free the given pointer if allocation fails
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char** temp =
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static_cast<char**>(realloc(sArgs, (sArgsAllocated + kArgsGrowSize) * sizeof(char*)));
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if (!temp) return;
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sArgs = temp;
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sArgsAllocated += kArgsGrowSize;
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}
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char* temp2 = strdup(inArgText);
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if (!temp2) return;
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sArgs[sArgsUsed++] = temp2;
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sArgs[sArgsUsed] = nullptr;
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return;
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}
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// Caller has ownership of argv and is responsible for freeing the allocated
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// memory.
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void SetupMacCommandLine(int& argc, char**& argv, bool forRestart) {
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sArgs = static_cast<char**>(malloc(kArgsGrowSize * sizeof(char*)));
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if (!sArgs) return;
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sArgsAllocated = kArgsGrowSize;
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sArgs[0] = nullptr;
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sArgsUsed = 0;
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sBuildingCommandLine = true;
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// Copy args, stripping anything we don't want.
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for (int arg = 0; arg < argc; arg++) {
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char* flag = argv[arg];
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// Don't pass on the psn (Process Serial Number) flag from the OS, or
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// the "-foreground" flag since it will be set below if necessary.
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if (strncmp(flag, "-psn_", 5) != 0 && strncmp(flag, "-foreground", 11) != 0)
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AddToCommandLine(flag);
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}
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// Force processing of any pending Apple GetURL Events while we're building
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// the command line. The handlers will append to the command line rather than
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// act directly so there is no chance we'll process them during a XUL window
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// load and accidentally open unnecessary windows and home pages.
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ProcessPendingGetURLAppleEvents();
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// If the process will be relaunched, the child should be in the foreground
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// if the parent is in the foreground. This will be communicated in a
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// command-line argument to the child.
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if (forRestart) {
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NSRunningApplication* frontApp = [[NSWorkspace sharedWorkspace] frontmostApplication];
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if ([frontApp isEqual:[NSRunningApplication currentApplication]]) {
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AddToCommandLine("-foreground");
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}
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}
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sBuildingCommandLine = false;
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free(argv);
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argc = sArgsUsed;
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argv = sArgs;
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}
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bool AddURLToCurrentCommandLine(const char* aURL) {
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if (!sBuildingCommandLine) {
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return false;
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}
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AddToCommandLine("-url");
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AddToCommandLine(aURL);
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return true;
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}
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} // namespace CommandLineServiceMac
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