Refactor print preview web ui

chrome/browser/resources/print_preview/previewarea/preview_area.css

+/* Copyright (c) 2012 The Chromium Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#preview-area.preview-area {
+  -webkit-box-flex: 1;
+  -webkit-user-select: none;
+  background-color: #ccc;
+  height: 100%;
+  overflow: hidden;
+  position: relative;
+}
+
+#preview-area .preview-area-plugin {
+  /* pluginFadeInTransitionDuration = 200ms */
+  -webkit-transition: opacity 200ms linear;
+  /* pluginFadeInTransitionDelay = overlayFadeOutTransitionDuration = 100ms */
+  -webkit-transition-delay: 100ms;
+  cursor: inherit;
+  height: 100%;
+  opacity: 1;
+  width: 100%;
+}
+
+#preview-area .preview-area-plugin.invisible {
+  /* pluginFadeOutTransitionDuration = 100ms */
+  -webkit-transition: opacity 100ms linear;
+  /* pluginFadeOutTransitionDelay = 250ms */
+  -webkit-transition-delay: 250ms;
+  opacity: 0;
+}
+
+#preview-area .preview-area-overlay-layer {
+  -webkit-transition: opacity 200ms linear;
+  /* overlayFadeInTransitionDelay = pluginFadeOutTransitionDelay +
+   *     pluginFadeOutTransitionDuration = 350ms */
+  -webkit-transition-delay: 350ms;
+  -webkit-user-select: none;
+  background: #ccc;
+  height: 100%;
+  margin: 0;
+  opacity: 1;
+  position: absolute;
+  width: 100%;
+  z-index: 1;
+}
+
+#preview-area .preview-area-overlay-layer.invisible {
+  /* overlayFadeOutTransitionDuration = 100ms */
+  -webkit-transition: opacity 100ms linear;
+  opacity: 0;
+  pointer-events: none;
+}
+
+#preview-area .preview-area-messages {
+  height: 100%;
+}
+
+#preview-area .preview-area-message {
+  color: #404040;
+  font-size: 1.1em;
+  position: relative;
+  text-align: center;
+  text-shadow: 0 1px 0 rgba(255, 255, 255, .5);
+  top: 50%;
+}
+
+#preview-area .preview-area-no-plugin-action-area {
+  margin-top: 12px;
+}
+
+#preview-area .preview-area-open-system-dialog-button-throbber {
+  vertical-align: middle;
+}