From f9cab004186edb425a9b88ad649726605080a17c Mon Sep 17 00:00:00 2001
From: Thomas Groman <tgroman@nuegia.net>
Date: Mon, 20 Apr 2020 20:49:37 -0700
Subject: move browser to webbrowser/

---
 components/sessionstore/DocumentUtils.jsm | 230 ------------------------------
 1 file changed, 230 deletions(-)
 delete mode 100644 components/sessionstore/DocumentUtils.jsm

(limited to 'components/sessionstore/DocumentUtils.jsm')

diff --git a/components/sessionstore/DocumentUtils.jsm b/components/sessionstore/DocumentUtils.jsm
deleted file mode 100644
index 6b3f729..0000000
--- a/components/sessionstore/DocumentUtils.jsm
+++ /dev/null
@@ -1,230 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-this.EXPORTED_SYMBOLS = [ "DocumentUtils" ];
-
-const Cu = Components.utils;
-const Ci = Components.interfaces;
-
-Cu.import("resource://gre/modules/XPCOMUtils.jsm");
-Cu.import("resource:///modules/sessionstore/XPathGenerator.jsm");
-
-this.DocumentUtils = {
-  /**
-   * Obtain form data for a DOMDocument instance.
-   *
-   * The returned object has 2 keys, "id" and "xpath". Each key holds an object
-   * which further defines form data.
-   *
-   * The "id" object maps element IDs to values. The "xpath" object maps the
-   * XPath of an element to its value.
-   *
-   * @param  aDocument
-   *         DOMDocument instance to obtain form data for.
-   * @return object
-   *         Form data encoded in an object.
-   */
-  getFormData: function DocumentUtils_getFormData(aDocument) {
-    let formNodes = aDocument.evaluate(
-      XPathGenerator.restorableFormNodes,
-      aDocument,
-      XPathGenerator.resolveNS,
-      Ci.nsIDOMXPathResult.UNORDERED_NODE_ITERATOR_TYPE, null
-    );
-
-    let node;
-    let ret = {id: {}, xpath: {}};
-
-    // Limit the number of XPath expressions for performance reasons. See
-    // bug 477564.
-    const MAX_TRAVERSED_XPATHS = 100;
-    let generatedCount = 0;
-
-    while (node = formNodes.iterateNext()) {
-      let nId = node.id;
-      let hasDefaultValue = true;
-      let value;
-
-      // Only generate a limited number of XPath expressions for perf reasons
-      // (cf. bug 477564)
-      if (!nId && generatedCount > MAX_TRAVERSED_XPATHS) {
-        continue;
-      }
-
-      if (node instanceof Ci.nsIDOMHTMLInputElement ||
-          node instanceof Ci.nsIDOMHTMLTextAreaElement) {
-        switch (node.type) {
-          case "checkbox":
-          case "radio":
-            value = node.checked;
-            hasDefaultValue = value == node.defaultChecked;
-            break;
-          case "file":
-            value = { type: "file", fileList: node.mozGetFileNameArray() };
-            hasDefaultValue = !value.fileList.length;
-            break;
-          default: // text, textarea
-            value = node.value;
-            hasDefaultValue = value == node.defaultValue;
-            break;
-        }
-      } else if (!node.multiple) {
-        // <select>s without the multiple attribute are hard to determine the
-        // default value, so assume we don't have the default.
-        hasDefaultValue = false;
-        value = { selectedIndex: node.selectedIndex, value: node.value };
-      } else {
-        // <select>s with the multiple attribute are easier to determine the
-        // default value since each <option> has a defaultSelected
-        let options = Array.map(node.options, function(aOpt, aIx) {
-          let oSelected = aOpt.selected;
-          hasDefaultValue = hasDefaultValue && (oSelected == aOpt.defaultSelected);
-          return oSelected ? aOpt.value : -1;
-        });
-        value = options.filter(function(aIx) aIx !== -1);
-      }
-
-      // In order to reduce XPath generation (which is slow), we only save data
-      // for form fields that have been changed. (cf. bug 537289)
-      if (!hasDefaultValue) {
-        if (nId) {
-          ret.id[nId] = value;
-        } else {
-          generatedCount++;
-          ret.xpath[XPathGenerator.generate(node)] = value;
-        }
-      }
-    }
-
-    return ret;
-  },
-
-  /**
-   * Merges form data on a document from previously obtained data.
-   *
-   * This is the inverse of getFormData(). The data argument is the same object
-   * type which is returned by getFormData(): an object containing the keys
-   * "id" and "xpath" which are each objects mapping element identifiers to
-   * form values.
-   *
-   * Where the document has existing form data for an element, the value
-   * will be replaced. Where the document has a form element but no matching
-   * data in the passed object, the element is untouched.
-   *
-   * @param  aDocument
-   *         DOMDocument instance to which to restore form data.
-   * @param  aData
-   *         Object defining form data.
-   */
-  mergeFormData: function DocumentUtils_mergeFormData(aDocument, aData) {
-    if ("xpath" in aData) {
-      for each (let [xpath, value] in Iterator(aData.xpath)) {
-        let node = XPathGenerator.resolve(aDocument, xpath);
-
-        if (node) {
-          this.restoreFormValue(node, value, aDocument);
-        }
-      }
-    }
-
-    if ("id" in aData) {
-      for each (let [id, value] in Iterator(aData.id)) {
-        let node = aDocument.getElementById(id);
-
-        if (node) {
-          this.restoreFormValue(node, value, aDocument);
-        }
-      }
-    }
-  },
-
-  /**
-   * Low-level function to restore a form value to a DOMNode.
-   *
-   * If you want a higher-level interface, see mergeFormData().
-   *
-   * When the value is changed, the function will fire the appropriate DOM
-   * events.
-   *
-   * @param  aNode
-   *         DOMNode to set form value on.
-   * @param  aValue
-   *         Value to set form element to.
-   * @param  aDocument [optional]
-   *         DOMDocument node belongs to. If not defined, node.ownerDocument
-   *         is used.
-   */
-  restoreFormValue: function DocumentUtils_restoreFormValue(aNode, aValue, aDocument) {
-    aDocument = aDocument || aNode.ownerDocument;
-
-    let eventType;
-
-    if (typeof aValue == "string" && aNode.type != "file") {
-      // Don't dispatch an input event if there is no change.
-      if (aNode.value == aValue) {
-        return;
-      }
-
-      aNode.value = aValue;
-      eventType = "input";
-    } else if (typeof aValue == "boolean") {
-      // Don't dispatch a change event for no change.
-      if (aNode.checked == aValue) {
-        return;
-      }
-
-      aNode.checked = aValue;
-      eventType = "change";
-    } else if (typeof aValue == "number") {
-      // handle select backwards compatibility, example { "#id" : index }
-      // We saved the value blindly since selects take more work to determine
-      // default values. So now we should check to avoid unnecessary events.
-      if (aNode.selectedIndex == aValue) {
-        return;
-      }
-
-      if (aValue < aNode.options.length) {
-        aNode.selectedIndex = aValue;
-        eventType = "change";
-      }
-    } else if (aValue && aValue.selectedIndex >= 0 && aValue.value) {
-      // handle select new format
-
-      // Don't dispatch a change event for no change
-      if (aNode.options[aNode.selectedIndex].value == aValue.value) {
-        return;
-      }
-
-      // find first option with matching aValue if possible
-      for (let i = 0; i < aNode.options.length; i++) {
-        if (aNode.options[i].value == aValue.value) {
-          aNode.selectedIndex = i;
-          break;
-        }
-      }
-      eventType = "change";
-    } else if (aValue && aValue.fileList && aValue.type == "file" &&
-      aNode.type == "file") {
-      aNode.mozSetFileNameArray(aValue.fileList, aValue.fileList.length);
-      eventType = "input";
-    } else if (aValue && typeof aValue.indexOf == "function" && aNode.options) {
-      Array.forEach(aNode.options, function(opt, index) {
-        // don't worry about malformed options with same values
-        opt.selected = aValue.indexOf(opt.value) > -1;
-
-        // Only fire the event here if this wasn't selected by default
-        if (!opt.defaultSelected) {
-          eventType = "change";
-        }
-      });
-    }
-
-    // Fire events for this node if applicable
-    if (eventType) {
-      let event = aDocument.createEvent("UIEvents");
-      event.initUIEvent(eventType, true, true, aDocument.defaultView, 0);
-      aNode.dispatchEvent(event);
-    }
-  }
-};
-- 
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