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Viewing changes to common/utils.js.in

  • Committer: autra
  • Date: 2013-04-11 12:34:24 UTC
  • mfrom: (406.1.108 trunk)
  • Revision ID: autra@autra-optiplex-380-20130411123424-3b0xa9ppaytxx3hr
sync from parent

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common/utils.js.in
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    return strid;
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}
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var _prevIndicators = [];
 
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/**
 
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 * WARNING: this is only kept here for backward compatibility reasons.
 
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 * This needs to be as soon as the individual scripts are SRUed and
 
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 * updated to use the latest mechanism
 
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 */
 
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var _previousIndicators = [];
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function showIndicators(list) {
20
 
    if (list.length == _prevIndicators.length) {
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        var same = true;
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        for (var i = 0; i < list.length; i++) {
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            if (list[i].name != _prevIndicators[i].name)
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                same = false;
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            if (list[i].count != _prevIndicators[i].count)
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                same = false;
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        }
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        if (same)
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            return;
 
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    if (list.length == _previousIndicators.length) {
 
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        var same = true;
 
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        for (var i = 0; i < list.length; i++) {
 
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            if (list[i].name != _previousIndicators[i].name)
 
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                same = false;
 
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            if (list[i].count != _previousIndicators[i].count)
 
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                same = false;
 
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        }
 
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        if (same)
 
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            return;
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    }
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    _prevIndicators = list;
 
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    _previousIndicators = list;
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    Unity.MessagingIndicator.clearIndicators();
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    for (var i = 0; i < list.length; i++) {
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        Unity.MessagingIndicator.showIndicator(list[i].name, { count: list[i].count,
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                                                               callback: list[i].callback });
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    }
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}
 
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       Unity.MessagingIndicator.showIndicator(list[i].name, { count: list[i].count,
 
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                                                              callback: list[i].callback });
 
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    }
 
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}
 
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function trim(str) {
 
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    return str.replace(/^\s+|\s+$/g, "");
 
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}
 
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var KEY_NAME = '____unity_indicators_sync';
 
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function Indicators(getCounters, combineFromMultipleTabs) {
 
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    this._init(getCounters, combineFromMultipleTabs);
 
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}
 
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Indicators.prototype = {
 
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    _prevIndicators: null,
 
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    _getCountersCb: null,
 
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    _init: function(getCounters, combineFromMultipleTabs) {
 
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        this._last = {};
 
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        this._timestamp = new Date();
 
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        this._prevIndicators = [];
 
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        this._getCountersCb = getCounters;
 
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        this._combineFromMultipleTabs = combineFromMultipleTabs;
 
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        window.addEventListener('blur', this._onBlur.bind(this));
 
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        window.addEventListener('focus', this._onFocus.bind(this));
 
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        setInterval(this._updateIndicators.bind(this), 8000);
 
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        this._updateIndicators(true);
 
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    },
 
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    _onBlur: function() {
 
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    },
 
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    _onFocus: function() {
 
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        this._timestamp = new Date();
 
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        this.visited(this._currentLabel);
 
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    },
 
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    _updateTotal: function(total) {
 
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        if (this._combineFromMultipleTabs) {
 
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            return;
 
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        }
 
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        if (total) {
 
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            Unity.Launcher.setCount(Number(total));
 
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        } else {
 
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            Unity.Launcher.clearCount();
 
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        }
 
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    },
 
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    _updateIndicators: function(firstRun) {
 
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        var state = localStorage.getItem(KEY_NAME);
 
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        var updateState = false;
 
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        try {
 
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            var list = this._getCountersCb();
 
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        } catch (e) {
 
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            return;
 
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        }
 
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        if (state) {
 
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            if (!this._combineFromMultipleTabs) {
 
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                state = JSON.parse(state);
 
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                if (state.timestamp > this._timestamp) {
 
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                    this._timestamp = state.timestamp;
 
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                    this._prevIndicators = state.prevIndicators;
 
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                    this._last = state.lastValue;
 
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                } else {
 
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                    updateState = true;
 
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                }
 
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            }
 
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        } else {
 
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            updateState = true;
 
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        }
 
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        if (!firstRun && !this._forceUpdate && list.length == this._prevIndicators.length) {
 
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            var same = true;
 
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            for (var i = 0; i < list.length; i++) {
 
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                if (list[i].name != this._prevIndicators[i].name)
 
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                    same = false;
 
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                if (list[i].count != this._prevIndicators[i].count)
 
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                    same = false;
 
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            }
 
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            if (same)
 
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                return;
 
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        }
 
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        this._forceUpdate = false;
 
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        var total = 0;
 
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        if (!this._combineFromMultipleTabs) {
 
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            Unity.MessagingIndicator.clearIndicators();
 
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        }
 
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        for (var i = 0; i < list.length; i++) {
 
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            var count = 0;
 
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            if (!this._last[list[i].name]) {
 
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                this._last[list[i].name] = 0;
 
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            }
 
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            if (this._last[list[i].name]) {
 
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                if (this._last[list[i].name] < Number(list[i].count)) {
 
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                    count = Number(list[i].count) - this._last[list[i].name];
 
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                } else {
 
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                    count = 0;
 
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                }
 
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            } else {
 
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                this._last[list[i].name] = list[i].count;
 
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            }
 
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            if (!count) {
 
149
                if (this._combineFromMultipleTabs) {
 
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                    Unity.MessagingIndicator.clearIndicator(list[i].name);
 
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                }
 
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                continue;
 
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            }
 
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            total += count;
 
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            if (!firstRun) {
 
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                Unity.MessagingIndicator.showIndicator(list[i].name, { count: count,
 
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                                                                       callback: list[i].callback });
 
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            } else {
 
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                this._last[list[i].name] = Number(list[i].count);
 
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            }
 
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        }
 
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        if (!firstRun) {
 
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            this._updateTotal(total);
 
165
        }
 
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        this._prevIndicators = list;
 
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        try {
 
168
            if (updateState) {
 
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                this._saveState();
 
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            } else {
 
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                localStorage.setItem(KEY_NAME, JSON.stringify(state));
 
172
            }
 
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        } catch (e) {
 
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            setTimeout((function () {this._updateIndicators(firstRun)}).bind(this), 500);
 
175
        }
 
176
    },
 
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178
    _saveState: function() {
 
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        localStorage.setItem(KEY_NAME, JSON.stringify({
 
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            timestamp: new Date(),
 
181
            prevIndicators: this._prevIndicators,
 
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            lastValue: this._last
 
183
        }));
 
184
    },
 
185
 
 
186
    visited: function(labelName) {
 
187
        this._currentLabel = labelName;
 
188
        var count = 0;
 
189
        for (var i = 0; i < this._prevIndicators.length; i++) {
 
190
            if (this._prevIndicators[i].name == labelName) {
 
191
                count = this._prevIndicators[i].count;
 
192
            }
 
193
        }
 
194
        this._forceUpdate = true;
 
195
        this._last[labelName] = count;
 
196
        this._saveState();
 
197
        this._updateIndicators(false);
 
198
    }
 
199
};
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/**
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 * On Chrommium v18 (and maybe earlier versions) the click() function