/*

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Widget files, to use, reproduce, and redistribute the WRTKit and Example files, in text form (for HTML,

CSS, or JavaScript files) or binary form (for associated images), for the sole purpose of creating S60

Widgets.

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The WRTKit and Example files are provided on an "AS IS" basis.  NOKIA MAKES NO

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*/

///////////////////////////////////////////////////////////////////////////////

// Logger utility class that uses the Firebug console class.

// Constructor (everything is static so this is empty).

function Logger() {

    // Set default logger level.

    this.level = this.LOG_LEVEL_OFF;

}

// Logger levels.

Logger.prototype.LOG_LEVEL_DEBUG = 0;

Logger.prototype.LOG_LEVEL_INFO = 1;

Logger.prototype.LOG_LEVEL_WARN = 2;

Logger.prototype.LOG_LEVEL_ERROR = 3;

Logger.prototype.LOG_LEVEL_OFF = 4;

Logger.prototype.level = null;

Logger.prototype.filter = null;

// Disable logging on other browsers except Firefox.

Logger.prototype.enabled = (navigator.userAgent.indexOf("Firefox") != -1);

// Dumps an objects properties and methods to the console.

Logger.prototype.dump = function(obj) {

    if (this.enabled) {

        console.dir(obj);

    }

};

// Dumps a stracktrace to the console.

Logger.prototype.trace = function() {

    if (this.enabled) {

        console.trace();

    }

};

// Prints a debug message to the console.

Logger.prototype.debug = function(str) {

    if (this.enabled && this.level <= this.LOG_LEVEL_DEBUG) {

        if (this.filter == null) {

            console.debug(str);

        } else {

            var show = false;

            for (i in this.filter) {

                if (str.indexOf(this.filter[i]) >= 0) {

                    show = true;

                    break;

                }

            }

            if (show) {

                console.debug(str);

            }

        }

    }

};

// Prints an info message to the console.

Logger.prototype.info = function(str) {

    if (this.enabled && this.level <= this.LOG_LEVEL_INFO) {

        console.info(str);

    }

};

// Prints a warning message to the console.

Logger.prototype.warn = function(str) {

    if (this.enabled && this.level <= this.LOG_LEVEL_WARN) {

        console.warn(str);

    }

};

// Prints an error message to the console.

Logger.prototype.error = function(str) {

    if (this.enabled && this.level <= this.LOG_LEVEL_ERROR) {

        console.error(str);

    }

};