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bug 749029 - set appcache permissions on webapp firstrun so apps can use the appcache to run offline; r=felipe

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This commit is contained in:
Myk Melez 2012-05-31 13:30:40 -07:00
parent 3365e3b04a
commit 05efd2deaa
3 changed files with 40 additions and 8 deletions
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41
webapprt/CommandLineHandler.js
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@ -9,14 +9,6 @@ const Cu = Components.utils;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
// Initialize DOMApplicationRegistry so it can receive and respond to messages.
// We catch an exception here on the off chance the registry throws one, as we
// don't need it for most apps, and exceptions it throws shouldn't prevent apps
// from loading.
try {
Cu.import("resource://gre/modules/Webapps.jsm");
} catch(ex) {}
function CommandLineHandler() {}
CommandLineHandler.prototype = {
@ -38,3 +30,36 @@ CommandLineHandler.prototype = {
let components = [CommandLineHandler];
let NSGetFactory = XPCOMUtils.generateNSGetFactory(components);
/* There's some work we need to do on startup, before we load the webapp,
* and this seems as good a place as any to do it, although it's possible
* that in the future we will find a lazier place to do it.
*
* NOTE: it's very important that the stuff we do here doesn't prevent
* the command-line handler from being registered/accessible, since otherwise
* the app won't start, which is catastrophic failure. That's why it's all
* wrapped in a try/catch block. */
try {
// Initialize DOMApplicationRegistry so it can receive/respond to messages.
Cu.import("resource://gre/modules/Webapps.jsm");
// On firstrun, set permissions to their default values.
if (!Services.prefs.getBoolPref("webapprt.firstrun")) {
Cu.import("resource://webapprt/modules/WebappRT.jsm");
let uri = Services.io.newURI(WebappRT.config.app.origin, null, null);
// Set AppCache-related permissions.
Services.perms.add(uri, "pin-app", Ci.nsIPermissionManager.ALLOW_ACTION);
Services.perms.add(uri, "offline-app",
Ci.nsIPermissionManager.ALLOW_ACTION);
// Now that we've set the appropriate permissions, twiddle the firstrun flag
// so we don't try to do so again.
Services.prefs.setBoolPref("webapprt.firstrun", true);
}
} catch(ex) {
#ifdef MOZ_DEBUG
dump(ex + "\n");
#endif
}

4
webapprt/Makefile.in
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@ -39,6 +39,10 @@ EXTRA_JS_MODULES = \
include $(topsrcdir)/config/rules.mk
ifdef MOZ_DEBUG
DEFINES += -DMOZ_DEBUG=1
endif
libs::
$(PYTHON) $(MOZILLA_DIR)/config/buildlist.py $(FINAL_TARGET)/chrome.manifest "resource webapprt ./"

3
webapprt/prefs.js
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@ -11,3 +11,6 @@ pref("extensions.enabledScopes", 1);
pref("extensions.autoDisableScopes", 1);
// Disable add-on installation via the web-exposed APIs
pref("xpinstall.enabled", false);
// Whether or not we've ever run. We use this to set permissions on firstrun.
pref("webapprt.firstrun", false);