src/common/js/winjs/js/ui.js
function () {
                    this._closeTooltip();
                    var firePreviewChange = true;
                    if (this._tentativeRating <= 0) {
                        firePreviewChange = false;
                    } else {
                        if (this._tentativeRating > 0) {
                            this._tentativeRating--;
                        } else if (this._tentativeRating === -1) {
                            if (this._userRating !== 0) {
                                if (this._userRating > 0) {
                                    this._tentativeRating = this._userRating - 1;
                                } else {
                                    this._tentativeRating = 0;
                                }
                            } else {
                                this._tentativeRating = 0;
                            }
                        }

                        if ((this._tentativeRating === 0) && !this._enableClear) {
                            this._tentativeRating = 1;
                            firePreviewChange = false;
                        }
                    }

                    this._showTentativeRating(firePreviewChange, "keyboard");
                }
function () {
                    this._closeTooltip();
                    var firePreviewChange = true;
                    if (this._tentativeRating <= 0) {
                        firePreviewChange = false;
                    } else {
                        if (this._tentativeRating > 0) {
                            this._tentativeRating--;
                        } else if (this._tentativeRating === -1) {
                            if (this._userRating !== 0) {
                                if (this._userRating > 0) {
                                    this._tentativeRating = this._userRating - 1;
                                } else {
                                    this._tentativeRating = 0;
                                }
                            } else {
                                this._tentativeRating = 0;
                            }
                        }

                        if ((this._tentativeRating === 0) && !this._enableClear) {
                            this._tentativeRating = 1;
                            firePreviewChange = false;
                        }
                    }

                    this._showTentativeRating(firePreviewChange, "keyboard");
                }
function ( ) { this . _closeTooltip ( ) ; var firePreviewChange = true ; if ( this . _tentativeRating <= 0 ) { firePreviewChange = false ; } else { if ( this . _tentativeRating > 0 ) { this . _tentativeRating -- ; } else if ( this . _tentativeRating === - 1 ) { if ( this . _userRating !== 0 ) { if ( this . _userRating > 0 ) { this . _tentativeRating = this . _userRating - 1 ; } else { this . _tentativeRating = 0 ; } } else { this . _tentativeRating = 0 ; } } if ( ( this . _tentativeRating === 0 ) && ! this . _enableClear ) { this . _tentativeRating = 1 ; firePreviewChange = false ; } } this . _showTentativeRating ( firePreviewChange , "keyboard" ) ; }
decrement tentative rating by one
decrement tentative rating by one