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Bug 768276. Part 1 - Implement Webapps._isLaunchable on desktop platforms to verify if a webapp is launchable. r=myk

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Original patches for Windows by Tim in bug 756306, for Mac by Dan in bug 762698, and for Linux by Marco in bug 756307
This commit is contained in:
Felipe Gomes 2012-06-29 13:46:21 -07:00
parent fb1e6d10f3
commit effc578374
1 changed files with 56 additions and 0 deletions
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56
dom/apps/src/Webapps.jsm
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@ -35,6 +35,7 @@ XPCOMUtils.defineLazyGetter(this, "ppmm", function() {
let DOMApplicationRegistry = {
appsFile: null,
webapps: { },
allAppsLaunchable: false,
init: function() {
this.messages = ["Webapps:Install", "Webapps:Uninstall",
@ -445,6 +446,61 @@ let DOMApplicationRegistry = {
}
}
this._saveApps(aCallback);
},
_isLaunchable: function(aOrigin) {
if (this.allAppsLaunchable)
return true;
#ifdef XP_WIN
let uninstallKey = Cc["@mozilla.org/windows-registry-key;1"]
.createInstance(Ci.nsIWindowsRegKey);
try {
uninstallKey.open(uninstallKey.ROOT_KEY_CURRENT_USER,
"SOFTWARE\\Microsoft\\Windows\\" +
"CurrentVersion\\Uninstall\\" +
aOrigin,
uninstallKey.ACCESS_READ);
uninstallKey.close();
return true;
} catch (ex) {
return false;
}
#elifdef XP_MACOSX
let mwaUtils = Cc["@mozilla.org/widget/mac-web-app-utils;1"]
.createInstance(Ci.nsIMacWebAppUtils);
return !!mwaUtils.pathForAppWithIdentifier(aOrigin);
#elifdef XP_UNIX
let env = Cc["@mozilla.org/process/environment;1"]
.getService(Ci.nsIEnvironment);
let xdg_data_home_env = env.get("XDG_DATA_HOME");
let desktopINI;
if (xdg_data_home_env != "") {
desktopINI = Cc["@mozilla.org/file/local;1"]
.createInstance(Ci.nsIFile);
desktopINI.initWithPath(xdg_data_home_env);
}
else {
desktopINI = Services.dirsvc.get("Home", Ci.nsIFile);
desktopINI.append(".local");
desktopINI.append("share");
}
desktopINI.append("applications");
let origin = Services.io.newURI(aOrigin, null, null);
let uniqueName = origin.scheme + ";" +
origin.host +
(origin.port != -1 ? ";" + origin.port : "");
desktopINI.append("owa-" + uniqueName + ".desktop");
return desktopINI.exists();
#else
return true;
#endif
}
};