history-hash-ie-coverage.js

/build/history-hash-ie/history-hash-ie-coverage.js

https://bitbucket.org/Quartermain/yui3
JavaScript | 204 lines | 124 code | 22 blank | 58 comment | 20 complexity | 5b85ad515b9c3f2dd8730471b17c8be4 MD5 | raw file

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YUI.add('history-hash-ie', function (Y, NAME) {

/**
 * Improves IE6/7 support in history-hash by using a hidden iframe to create
 * entries in IE's browser history. This module is only needed if IE6/7 support
 * is necessary; it's not needed for any other browser.
 *
 * @module history
 * @submodule history-hash-ie
 * @since 3.2.0
 */

// Combination of a UA sniff to ensure this is IE (or a browser that wants us to
// treat it like IE) and feature detection for native hashchange support (false
// for IE < 8 or IE8/9 in IE7 mode).
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if (Y.UA.ie && !Y.HistoryBase.nativeHashChange) {
    _yuitest_coverline("build/history-hash-ie/history-hash-ie.js", 17);
var Do          = Y.Do,
        GlobalEnv   = YUI.namespace('Env.HistoryHash'),
        HistoryHash = Y.HistoryHash,

        iframe = GlobalEnv._iframe,
        win    = Y.config.win;

    /**
     * Gets the raw (not decoded) current location hash from the IE iframe,
     * minus the preceding '#' character and the hashPrefix (if one is set).
     *
     * @method getIframeHash
     * @return {String} current iframe hash
     * @static
     */
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HistoryHash.getIframeHash = function () {
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        }

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var prefix = HistoryHash.hashPrefix,
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        _yuitest_coverline("build/history-hash-ie/history-hash-ie.js", 40);
return prefix && hash.indexOf(prefix) === 0 ?
                    hash.replace(prefix, '') : hash;
    };

    /**
     * Updates the history iframe with the specified hash.
     *
     * @method _updateIframe
     * @param {String} hash location hash
     * @param {Boolean} replace (optional) if <code>true</code>, the current
     *   history state will be replaced without adding a new history entry
     * @protected
     * @static
     * @for HistoryHash
     */
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var iframeDoc      = iframe && iframe.contentWindow && iframe.contentWindow.document,
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        }
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var lastUrlHash = HistoryHash.getHash();

            // Create a hidden iframe to store history state, following the
            // iframe-hiding recommendations from
            // http://www.paciellogroup.com/blog/?p=604.
            //
            // This iframe will allow history navigation within the current page
            // context. After navigating to another page, all but the most
            // recent history state will be lost.
            //
            // Earlier versions of the YUI History Utility attempted to work
            // around this limitation by having the iframe load a static
            // resource. This workaround was extremely fragile and tended to
            // break frequently (and silently) since it was entirely dependent
            // on IE's inconsistent handling of iframe history.
            //
            // Since this workaround didn't work much of the time anyway and
            // added significant complexity, it has been removed, and IE6 and 7
            // now get slightly degraded history support.

            _yuitest_coverline("build/history-hash-ie/history-hash-ie.js", 96);
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            // Keeping it outside the body prevents scrolling on the initial
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            _yuitest_coverline("build/history-hash-ie/history-hash-ie.js", 104);
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            // after the state has changed.
            _yuitest_coverline("build/history-hash-ie/history-hash-ie.js", 109);
HistoryHash._updateIframe(lastUrlHash || '#');

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Y.on('hashchange', function (e) {
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_yuitest_coverline("build/history-hash-ie/history-hash-ie.js", 114);
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var iframeHash = HistoryHash.getIframeHash();

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                }
            }, null, true);
        });
    }
}


}, '@VERSION@', {"requires": ["history-hash", "node-base"]});