Refactor print preview web ui

chrome/browser/resources/print_preview/data/chromium_capabilities.js

+// 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.
+
+cr.define('print_preview', function() {
+  'use strict';
+
+  function ChromiumPrintTicket(capabilities) {
+    this.capabilities_ = capabilities;
+    this.pageRangeStr_ = null;
+    this.copiesStr_ = null;
+    this.isCollateEnabled_ = null;
+    this.isDuplexEnabled_ = null;
+    this.isLandscapeEnabled_ = null;
+    this.isColorEnabled_ = null;
+    this.marginsType_ = null;
+    this.customMargins_ = null;
+    this.isHeaderFooterEnabled_ = null;
+  };
+
+  ChromiumPrintTicket.prototype = {
+    get pageRangeStr() {
+      return this.getValue_(
+          this.capabilities_.hasPageRangeCapability,
+          this.pageRangeStr_,
+          this.capabilities_.defaultPageRangeStr,
+          '');
+    },
+
+    set pageRangeStr(pageRangeStr) {
+      this.pageRangeStr_ = pageRangeStr;
+    },
+
+    get copiesStr() {
+      return this.getValue_(
+          this.capabilities_.hasCopiesCapability,
+          this.copiesStr_,
+          this.capabilities_.defaultCopiesStr,
+          '1');
+    },
+
+    set copiesStr(copiesStr) {
+      this.copiesStr_ = copiesStr;
+    },
+
+    get isCollateEnabled() {
+      return this.getValue_(
+          this.capabilities_.hasCollateCapability,
+          this.isCollateEnabled_,
+          this.capabilities_.defaultIsCollateEnabled,
+          true);
+    },
+
+    set isCollateEnabled(isCollateEnabled) {
+      this.isCollateEnabled_ = isCollateEnabled;
+    },
+
+    get isDuplexEnabled() {
+      return this.getValue_(
+          this.capabilities_.hasDuplexCapability,
+          this.isDuplexEnabled_,
+          this.capabilities_.defaultIsDuplexEnabled,
+          true);
+    },
+
+    set isDuplexEnabled(isDuplexEnabled) {
+      this.isDuplexEnabled_ = isDuplexEnabled;
+    },
+
+    get duplexMode() {
+      return this.isDuplexEnabled ?
+          ChromiumCapabilities.DuplexMode.LONG_EDGE :
+          ChromiumCapabilities.DuplexMode.SIMPLEX;
+    },
+
+    get isLandscapeEnabled() {
+      return this.getValue_(
+          this.capabilities_.hasOrientationCapability,
+          this.isLandscapeEnabled_,
+          this.capabilities_.defaultIsLandscapeEnabled,
+          false);
+    },
+
+    set isLandscapeEnabled(isLandscapeEnabled) {
+      this.isLandscapeEnabled_ = isLandscapeEnabled;
+    },
+
+    get isColorEnabled() {
+      return this.getValue_(
+          this.capabilities_.hasColorCapability,
+          this.isColorEnabled_,
+          this.capabilities_.defaultIsColorEnabled,
+          false);
+    },
+
+    get colorMode() {
+      return this.isColorEnabled ?
+          ChromiumCapabilities.ColorMode.COLOR :
+          ChromiumCapabilities.ColorMode.GRAY;
+    },
+
+    set isColorEnabled(isColorEnabled) {
+      this.isColorEnabled_ = isColorEnabled;
+    },
+
+    get marginsType() {
+      return this.getValue_(
+          this.capabilities_.hasMarginsCapability,
+          this.marginsType_,
+          this.capabilities_.defaultMarginsType,
+          print_preview.Margins.Type.DEFAULT);
+    },
+
+    set marginsType(marginsType) {
+      this.marginsType_ = marginsType;
+    },
+
+    get customMargins() {
+      return this.getValue_(
+          this.capabilities_.hasMarginsCapability,
+          this.customMargins_,
+          this.capabilities_.defaultCustomMargins,
+          null);
+    },
+
+    set customMargins(customMargins) {
+      this.customMargins_ = customMargins;
+    },
+
+    get isHeaderFooterEnabled() {
+      return this.getValue_(
+          this.capabilities_.hasHeaderFooterCapability,
+          this.isHeaderFooterEnabled_,
+          this.capabilities_.defaultIsHeaderFooterEnabled,
+          true);
+    },
+
+    set isHeaderFooterEnabled(isHeaderFooterEnabled) {
+      this.isHeaderFooterEnabled_ = isHeaderFooterEnabled;
+    },
+
+    getValue_: function(hasCap, userVal, defaultCapVal, defaultChromiumVal) {
+      if (hasCap && userVal != null) {
+        return userVal;
+      } else if (hasCap && defaultCapVal != null) {
+        return defaultCapVal;
+      } else {
+        return defaultChromiumVal;
+      }
+    }
+  };
+
+  function ChromiumCapabilities() {
+    this.hasPageRangeCapability = false;
+    this.defaultPageRangeStr = '';
+    this.hasCopiesCapability = false;
+    this.defaultCopiesStr = '1';
+    this.hasCollateCapability = false;
+    this.defaultIsCollateEnabled = false;
+    this.hasDuplexCapability = false;
+    this.defaultIsDuplexEnabled = false;
+    this.hasOrientationCapability = false;
+    this.defaultIsLandscapeEnabled = false;
+    this.hasColorCapability = false;
+    this.defaultIsColorEnabled = false;
+    this.hasMarginsCapability = false;
+    this.defaultMarginsType = print_preview.Margins.Type.DEFAULT;
+    this.defaultCustomMargins = new print_preview.Margins(72, 72, 72, 72);
+    this.hasHeaderFooterCapability = false;
+    this.defaultIsHeaderFooterEnabled = true;
+  };
+
+  /**
+   * Constant values matching printing::DuplexMode enum.
+   * @enum {number}
+   * @private
+   */
+  ChromiumCapabilities.DuplexMode = {
+    SIMPLEX: 0,
+    LONG_EDGE: 1,
+    UNKNOWN_DUPLEX_MODE: -1
+  };
+
+  /**
+   * Enumeration of color modes used by Chromium.
+   * @enum {number}
+   * @private
+   */
+  ChromiumCapabilities.ColorMode = {
+    GRAY: 1,
+    COLOR: 2
+  };
+
+  // Export
+  return {
+    ChromiumCapabilities: ChromiumCapabilities,
+    ChromiumPrintTicket: ChromiumPrintTicket
+  };
+});