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Diffstat (limited to '')
-rw-r--r-- | comm/mailnews/jsaccount/test/unit/resources/testJaFooUrlComponent.js | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/comm/mailnews/jsaccount/test/unit/resources/testJaFooUrlComponent.js b/comm/mailnews/jsaccount/test/unit/resources/testJaFooUrlComponent.js new file mode 100644 index 0000000000..9ed4d4c15b --- /dev/null +++ b/comm/mailnews/jsaccount/test/unit/resources/testJaFooUrlComponent.js @@ -0,0 +1,88 @@ +/* Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ */ + +/** + One of the goals of JsAccount is to be able to incrementally extend a base + implementation, possibly adding a new interface. This code demonstrates + a mailnews URL extended for a hypthetical account type "foo". +*/ + +const { JSAccountUtils } = ChromeUtils.import( + "resource:///modules/jsaccount/JSAccountUtils.jsm" +); +const { JaBaseUrl, JaBaseUrlProperties } = ChromeUtils.import( + "resource:///modules/jsaccount/JaBaseUrl.jsm" +); + +const ATTACHMENT_QUERY = "part=1."; + +var FooUrlProperties = { + // Extend the base properties. + __proto__: JaBaseUrlProperties, + + contractID: "@mozilla.org/jsaccount/testjafoourl;1", + classID: Components.ID("{73F98539-A59F-4F6F-9A72-D83A08646C23}"), + + // Add an additional interface only needed by this custom class. + extraInterfaces: [Ci.msgIFooUrl], +}; + +// Constructor +var xpcomFactory = JSAccountUtils.jaFactory(FooUrlProperties, FooUrl); + +// Main class. +function FooUrl(aDelegator, aBaseInterfaces) { + // Superclass constructor + JaBaseUrl.call(this, aDelegator, aBaseInterfaces); + + // I'm not sure why I have to call this again, as it is called in the + // base constructor, but without it this method will not find the + // interfaces beyond nsISupports. + aBaseInterfaces.forEach(iface => this.cppBase instanceof iface); + + // instance variables + this._urlType = -1; // unknown; + this._itemId = null; + this._hidden = "IAmHidden"; +} + +// Extend the base class methods. +FooUrl.prototype = { + // Typical boilerplate to include in all implementations. + + // Extended the JS URL object. + __proto__: JaBaseUrl.prototype, + + // Delegate these methods to CPP. + _JsPrototypeToDelegate: true, + + // InterfaceRequestor override, needed if extraInterfaces. + + getInterface(iid) { + for (let iface of FooUrlProperties.extraInterfaces) { + if (iid.equals(iface)) { + return this; + } + } + return this.delegator.QueryInterface(iid); + }, + + // msgIFooUrl implementation + + // Foo id for item. + // attribute AString itemId; + get itemId() { + return this._itemId; + }, + set itemId(aVal) { + this._itemId = aVal; + }, + + // Does this url refer to an attachment? + // readonly attribute boolean isAttachment; + get isAttachment() { + // We look to see if the URL has an attachment query + let query = this.QueryInterface(Ci.nsIURL).query; + return query && query.includes(ATTACHMENT_QUERY); + }, +}; |