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Bug 821630 - Fix retrieving blobs with get() in Settings API. r=gwagner

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This commit is contained in:
Reuben Morais 2013-03-11 22:31:15 -07:00
parent 98a5917691
commit 724bacdf3e
3 changed files with 135 additions and 11 deletions
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17
dom/settings/SettingsManager.js
View File

@ -88,10 +88,7 @@ SettingsLock.prototype = {
if (DEBUG) debug("store1: " + JSON.stringify(obj));
setReq = store.put(obj);
} else {
//Workaround for cloning issues
let defaultVal = JSON.parse(JSON.stringify(defaultValue));
let userVal = JSON.parse(JSON.stringify(userValue));
let obj = {settingName: key, defaultValue: defaultVal, userValue: userVal};
let obj = {settingName: key, defaultValue: defaultValue, userValue: userValue};
if (DEBUG) debug("store2: " + JSON.stringify(obj));
setReq = store.put(obj);
}
@ -114,7 +111,7 @@ SettingsLock.prototype = {
Services.DOMRequest.fireError(request, setReq.error.name)
}
};
}
};
checkKeyRequest.onerror = function(event) {
if (!request.error) {
Services.DOMRequest.fireError(request, checkKeyRequest.error.name)
@ -127,8 +124,8 @@ SettingsLock.prototype = {
: store.mozGetAll(info.name);
getReq.onsuccess = function(event) {
if (DEBUG) debug("Request for '" + info.name + "' successful. " +
"Record count: " + event.target.result.length);
if (DEBUG) debug("Request for '" + info.name + "' successful. " +
"Record count: " + event.target.result.length);
if (event.target.result.length == 0) {
if (DEBUG) debug("MOZSETTINGS-GET-WARNING: " + info.name + " is not in the database.\n");
@ -214,8 +211,7 @@ SettingsLock.prototype = {
if (this._settingsManager.hasWritePrivileges) {
let req = Services.DOMRequest.createRequest(this._settingsManager._window);
if (DEBUG) debug("send: " + JSON.stringify(aSettings));
let settings = JSON.parse(JSON.stringify(aSettings));
this._requests.enqueue({request: req, intent: "set", settings: settings});
this._requests.enqueue({request: req, intent: "set", settings: aSettings});
this.createTransactionAndProcess();
return req;
} else {
@ -312,7 +308,6 @@ SettingsManager.prototype = {
switch (aMessage.name) {
case "Settings:Change:Return:OK":
if (DEBUG) debug("Settings:Change:Return:OK");
if (this._onsettingchange || this._callbacks) {
if (DEBUG) debug('data:' + msg.key + ':' + msg.value + '\n');
@ -334,7 +329,7 @@ SettingsManager.prototype = {
if (DEBUG) debug("no observers stored!");
}
break;
default:
default:
if (DEBUG) debug("Wrong message: " + aMessage.name);
}
},

1
dom/settings/tests/Makefile.in
View File

@ -16,6 +16,7 @@ MOCHITEST_FILES = \
test_settings_basics.html \
test_settings_events.html \
test_settings_onsettingchange.html \
test_settings_blobs.html \
$(NULL)
_CHROMEMOCHITEST_FILES = \

128
dom/settings/tests/test_settings_blobs.html Normal file
View File

@ -0,0 +1,128 @@
<!DOCTYPE html>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=821630
-->
<head>
<title>Test for Bug 821630 Settings API</title>
<script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=821630">Mozilla Bug 821630</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script class="testbody" type="text/javascript;version=1.8">
"use strict";
var comp = SpecialPowers.wrap(SpecialPowers.Components);
comp.utils.import("resource://gre/modules/SettingsChangeNotifier.jsm");
SpecialPowers.setBoolPref("dom.mozSettings.enabled", true);
SpecialPowers.addPermission("settings-read", true, document);
SpecialPowers.addPermission("settings-write", true, document);
function onUnwantedSuccess() {
ok(false, "onUnwantedSuccess: shouldn't get here");
}
function onFailure() {
return function(s) {
if (s) {
ok(false, "in on Failure! - " + s);
} else {
ok(false, "in on Failure!");
}
}
}
let mozSettings = window.navigator.mozSettings;
let req;
let pageParts = ['<a id="a"><b id="b">hey!</b></a>'];
let storedBlob = new Blob(pageParts, {"type": "text/xml"});
function checkBlob(blob) {
try {
let url = URL.createObjectURL(blob);
ok(true, "Result is a blob");
} catch (e) {
ok(false, "Result is a blob");
}
}
let steps = [
function() {
let lock = mozSettings.createLock();
req = lock.clear();
req.onsuccess = next;
req.onerror = onFailure("Deleting database");
},
function() {
mozSettings.addObserver("test1", function(e) {
checkBlob(e.settingValue);
next();
});
next();
},
function() {
let lock = mozSettings.createLock();
// next is called by the observer above
req = lock.set({"test1": storedBlob});
req.onerror = onFailure("Saving blob");
},
function() {
let lock = mozSettings.createLock();
req = lock.get("test1");
req.onsuccess = function(event) {
checkBlob(event.target.result["test1"]);
next();
};
req.onerror = onFailure("Getting blob");
},
function() {
let lock = mozSettings.createLock();
req = lock.clear();
req.onsuccess = function() {
next();
};
req.onerror = onFailure("Deleting database");
},
function () {
ok(true, "all done!\n");
SimpleTest.finish();
}
];
function next() {
try {
let step = steps.shift();
if (step) {
step();
}
} catch(ex) {
ok(false, "Caught exception", ex);
}
}
function permissionTest() {
if (gSettingsEnabled) {
next();
} else {
is(mozSettings, null, "mozSettings is null when not enabled.");
SimpleTest.finish();
}
}
let gSettingsEnabled = SpecialPowers.getBoolPref("dom.mozSettings.enabled");
SimpleTest.waitForExplicitFinish();
addLoadEvent(permissionTest);
</script>
</pre>
</body>
</html>