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70 lines
2.1 KiB
JavaScript
70 lines
2.1 KiB
JavaScript
/* This code is mostly copied from chrome/test/unit/head_crtestutils.js */
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const NS_CHROME_MANIFESTS_FILE_LIST = "ChromeML";
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const XUL_CACHE_PREF = "nglayout.debug.disable_xul_cache";
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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const Cr = Components.results;
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let gDirSvc = Cc["@mozilla.org/file/directory_service;1"].
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getService(Ci.nsIDirectoryService).QueryInterface(Ci.nsIProperties);
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let gChromeReg = Cc["@mozilla.org/chrome/chrome-registry;1"].
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getService(Ci.nsIXULChromeRegistry);
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let gPrefs = Cc["@mozilla.org/preferences-service;1"].
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getService(Ci.nsIPrefBranch);
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// Create the temporary file in the profile, instead of in TmpD, because
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// we know the mochitest harness kills off the profile when it's done.
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function copyToTemporaryFile(f)
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{
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let tmpd = gDirSvc.get("ProfD", Ci.nsIFile);
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tmpf = tmpd.clone();
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tmpf.append("temp.manifest");
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tmpf.createUnique(Ci.nsIFile.NORMAL_FILE_TYPE, 0600);
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tmpf.remove(false);
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f.copyTo(tmpd, tmpf.leafName);
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return tmpf;
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}
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function convertChromeURI(chromeURI)
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{
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let uri = Cc["@mozilla.org/network/io-service;1"].
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getService(Ci.nsIIOService).newURI(chromeURI, null, null);
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return gChromeReg.convertChromeURL(uri);
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}
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function chromeURIToFile(chromeURI)
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{
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return convertChromeURI(chromeURI).
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QueryInterface(Ci.nsIFileURL).file;
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}
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// Register a chrome manifest temporarily and return a function which un-does
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// the registrarion when no longer needed.
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function registerManifestTemporarily(manifestURI)
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{
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gPrefs.setBoolPref(XUL_CACHE_PREF, true);
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let file = chromeURIToFile(manifestURI);
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let tempfile = copyToTemporaryFile(file);
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Components.manager.QueryInterface(Ci.nsIComponentRegistrar).
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autoRegister(tempfile);
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gChromeReg.refreshSkins();
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return function() {
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tempfile.fileSize = 0; // truncate the manifest
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gChromeReg.checkForNewChrome();
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gChromeReg.refreshSkins();
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gPrefs.clearUserPref(XUL_CACHE_PREF);
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}
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}
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function registerManifestPermanently(manifestURI)
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{
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Components.manager.QueryInterface(Ci.nsIComponentRegistrar).
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autoRegister(chromeURIToFile(manifestURI));
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}
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