update components
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16 changed files with 863 additions and 173 deletions
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@ -10,6 +10,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
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<link rel="import" href="../polymer/polymer.html">
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<link rel="import" href="../iron-a11y-keys-behavior/iron-a11y-keys-behavior.html">
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<link rel="import" href="iron-overlay-backdrop.html">
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<script>
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@ -224,7 +225,13 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
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* Updates the backdrop z-index.
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*/
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trackBackdrop: function() {
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this.backdropElement.style.zIndex = this.backdropZ();
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var overlay = this._overlayWithBackdrop();
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// Avoid creating the backdrop if there is no overlay with backdrop.
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if (!overlay && !this._backdropElement) {
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return;
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}
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this.backdropElement.style.zIndex = this._getZ(overlay) - 1;
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this.backdropElement.opened = !!overlay;
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},
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/**
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