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Only load carbon once

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This commit is contained in:
Simon Kornblith 2012-01-10 17:49:25 -05:00
parent 5a7c7368b7
commit 3c61a4eae8
1 changed files with 22 additions and 19 deletions
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41
chrome/content/zotero/xpcom/integration.js
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@ -43,6 +43,7 @@ Zotero.Integration = new function() {
// these need to be global because of GC
var _updateTimer;
var _carbon, ProcessSerialNumber, SetFrontProcessWithOptions;
var _inProgress = false;
this.currentWindow = false;
@ -276,24 +277,27 @@ Zotero.Integration = new function() {
};
if(Zotero.isFx4 && win) {
const carbon = ctypes.open("/System/Library/Frameworks/Carbon.framework/Carbon");
/*
* struct ProcessSerialNumber {
* unsigned long highLongOfPSN;
* unsigned long lowLongOfPSN;
* };
*/
const ProcessSerialNumber = new ctypes.StructType("ProcessSerialNumber",
[{"highLongOfPSN":ctypes.uint32_t}, {"lowLongOfPSN":ctypes.uint32_t}]);
/*
* OSStatus SetFrontProcessWithOptions (
* const ProcessSerialNumber *inProcess,
* OptionBits inOptions
* );
*/
const SetFrontProcessWithOptions = carbon.declare("SetFrontProcessWithOptions",
ctypes.default_abi, ctypes.int32_t, ProcessSerialNumber.ptr, ctypes.uint32_t);
if(!_carbon) {
_carbon = ctypes.open("/System/Library/Frameworks/Carbon.framework/Carbon");
/*
* struct ProcessSerialNumber {
* unsigned long highLongOfPSN;
* unsigned long lowLongOfPSN;
* };
*/
ProcessSerialNumber = new ctypes.StructType("ProcessSerialNumber",
[{"highLongOfPSN":ctypes.uint32_t}, {"lowLongOfPSN":ctypes.uint32_t}]);
/*
* OSStatus SetFrontProcessWithOptions (
* const ProcessSerialNumber *inProcess,
* OptionBits inOptions
* );
*/
SetFrontProcessWithOptions = _carbon.declare("SetFrontProcessWithOptions",
ctypes.default_abi, ctypes.int32_t, ProcessSerialNumber.ptr,
ctypes.uint32_t);
}
var psn = new ProcessSerialNumber();
psn.highLongOfPSN = 0;
@ -304,7 +308,6 @@ Zotero.Integration = new function() {
psn.address(),
1 // kSetFrontProcessFrontWindowOnly = (1 << 0)
);
carbon.close();
}, false);
} else {
if(Zotero.oscpu == "PPC Mac OS X 10.4" || Zotero.oscpu == "Intel Mac OS X 10.4"