toolkit/xre/nsCommandLineServiceMac.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/toolkit/xre/nsCommandLineServiceMac.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,100 @@
     1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#include "nsCommandLineServiceMac.h"
    1.10 +#include "MacApplicationDelegate.h"
    1.11 +
    1.12 +#include <CoreFoundation/CoreFoundation.h>
    1.13 +#include <Carbon/Carbon.h>
    1.14 +
    1.15 +namespace CommandLineServiceMac {
    1.16 +
    1.17 +static const int kArgsGrowSize = 20;
    1.18 +
    1.19 +static char** sArgs = nullptr;
    1.20 +static int sArgsAllocated = 0;
    1.21 +static int sArgsUsed = 0;
    1.22 +
    1.23 +static bool sBuildingCommandLine = false;
    1.24 +
    1.25 +void AddToCommandLine(const char* inArgText)
    1.26 +{
    1.27 +  if (sArgsUsed >= sArgsAllocated - 1) {
    1.28 +    // realloc does not free the given pointer if allocation fails
    1.29 +    char **temp = static_cast<char**>(realloc(sArgs, (sArgsAllocated + kArgsGrowSize) * sizeof(char*)));
    1.30 +    if (!temp)
    1.31 +      return;
    1.32 +    sArgs = temp;
    1.33 +    sArgsAllocated += kArgsGrowSize;
    1.34 +  }
    1.35 +
    1.36 +  char *temp2 = strdup(inArgText);
    1.37 +  if (!temp2)
    1.38 +    return;
    1.39 +
    1.40 +  sArgs[sArgsUsed++] = temp2;
    1.41 +  sArgs[sArgsUsed] = nullptr;
    1.42 +
    1.43 +  return;
    1.44 +}
    1.45 +
    1.46 +void SetupMacCommandLine(int& argc, char**& argv, bool forRestart)
    1.47 +{
    1.48 +  sArgs = static_cast<char **>(malloc(kArgsGrowSize * sizeof(char*)));
    1.49 +  if (!sArgs)
    1.50 +    return;
    1.51 +  sArgsAllocated = kArgsGrowSize;
    1.52 +  sArgs[0] = nullptr;
    1.53 +  sArgsUsed = 0;
    1.54 +
    1.55 +  sBuildingCommandLine = true;
    1.56 +
    1.57 +  // Copy args, stripping anything we don't want.
    1.58 +  for (int arg = 0; arg < argc; arg++) {
    1.59 +    char* flag = argv[arg];
    1.60 +    // Don't pass on the psn (Process Serial Number) flag from the OS.
    1.61 +    if (strncmp(flag, "-psn_", 5) != 0)
    1.62 +      AddToCommandLine(flag);
    1.63 +  }
    1.64 +
    1.65 +  // Force processing of any pending Apple GetURL Events while we're building
    1.66 +  // the command line. The handlers will append to the command line rather than
    1.67 +  // act directly so there is no chance we'll process them during a XUL window
    1.68 +  // load and accidentally open unnecessary windows and home pages.
    1.69 +  ProcessPendingGetURLAppleEvents();
    1.70 +
    1.71 +  // If the process will be relaunched, the child should be in the foreground
    1.72 +  // if the parent is in the foreground.  This will be communicated in a
    1.73 +  // command-line argument to the child.
    1.74 +  if (forRestart) {
    1.75 +    Boolean isForeground = false;
    1.76 +    ProcessSerialNumber psnSelf, psnFront;
    1.77 +    if (::GetCurrentProcess(&psnSelf) == noErr &&
    1.78 +        ::GetFrontProcess(&psnFront) == noErr &&
    1.79 +        ::SameProcess(&psnSelf, &psnFront, &isForeground) == noErr &&
    1.80 +        isForeground) {
    1.81 +      AddToCommandLine("-foreground");
    1.82 +    }
    1.83 +  }
    1.84 +
    1.85 +  sBuildingCommandLine = false;
    1.86 +
    1.87 +  argc = sArgsUsed;
    1.88 +  argv = sArgs;
    1.89 +}
    1.90 +
    1.91 +bool AddURLToCurrentCommandLine(const char* aURL)
    1.92 +{
    1.93 +  if (!sBuildingCommandLine) {
    1.94 +    return false;
    1.95 +  }
    1.96 +
    1.97 +  AddToCommandLine("-url");
    1.98 +  AddToCommandLine(aURL);
    1.99 +
   1.100 +  return true;
   1.101 +}
   1.102 +
   1.103 +} // namespace CommandLineServiceMac

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