Add m-esr52 at 52.6.0

1 files changed, 148 insertions, 0 deletions

diff --git a/toolkit/components/tooltiptext/TooltipTextProvider.js b/toolkit/components/tooltiptext/TooltipTextProvider.js
new file mode 100644
index 000000000..a63ab83ad
--- /dev/null
+++ b/toolkit/components/tooltiptext/TooltipTextProvider.js
@@ -0,0 +1,148 @@
+/* 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/. */
+
+const { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
+
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+Cu.import("resource://gre/modules/Services.jsm");
+
+function TooltipTextProvider() {}
+
+TooltipTextProvider.prototype = {
+  getNodeText(tipElement, textOut, directionOut) {
+    // Don't show the tooltip if the tooltip node is a document, browser, or disconnected.
+    if (!tipElement || !tipElement.ownerDocument ||
+        tipElement.localName == "browser" ||
+        (tipElement.ownerDocument.compareDocumentPosition(tipElement) &
+         tipElement.ownerDocument.DOCUMENT_POSITION_DISCONNECTED)) {
+      return false;
+    }
+
+    var defView = tipElement.ownerDocument.defaultView;
+    // XXX Work around bug 350679:
+    // "Tooltips can be fired in documents with no view".
+    if (!defView)
+      return false;
+
+    const XLinkNS = "http://www.w3.org/1999/xlink";
+    const XULNS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
+
+    var titleText = null;
+    var XLinkTitleText = null;
+    var SVGTitleText = null;
+    var XULtooltiptextText = null;
+    var lookingForSVGTitle = true;
+    var direction = tipElement.ownerDocument.dir;
+
+    // If the element is invalid per HTML5 Forms specifications and has no title,
+    // show the constraint validation error message.
+    if ((tipElement instanceof defView.HTMLInputElement ||
+         tipElement instanceof defView.HTMLTextAreaElement ||
+         tipElement instanceof defView.HTMLSelectElement ||
+         tipElement instanceof defView.HTMLButtonElement) &&
+        !tipElement.hasAttribute('title') &&
+        (!tipElement.form || !tipElement.form.noValidate)) {
+      // If the element is barred from constraint validation or valid,
+      // the validation message will be the empty string.
+      titleText = tipElement.validationMessage || null;
+    }
+
+    // If the element is an <input type='file'> without a title, we should show
+    // the current file selection.
+    if (!titleText &&
+        tipElement instanceof defView.HTMLInputElement &&
+        tipElement.type == 'file' &&
+        !tipElement.hasAttribute('title')) {
+      let files = tipElement.files;
+
+      try {
+        var bundle =
+          Services.strings.createBundle("chrome://global/locale/layout/HtmlForm.properties");
+        if (files.length == 0) {
+          if (tipElement.multiple) {
+            titleText = bundle.GetStringFromName("NoFilesSelected");
+          } else {
+            titleText = bundle.GetStringFromName("NoFileSelected");
+          }
+        } else {
+          titleText = files[0].name;
+          // For UX and performance (jank) reasons we cap the number of
+          // files that we list in the tooltip to 20 plus a "and xxx more"
+          // line, or to 21 if exactly 21 files were picked.
+          const TRUNCATED_FILE_COUNT = 20;
+          let count = Math.min(files.length, TRUNCATED_FILE_COUNT);
+          for (let i = 1; i < count; ++i) {
+            titleText += "\n" + files[i].name;
+          }
+          if (files.length == TRUNCATED_FILE_COUNT + 1) {
+            titleText += "\n" + files[TRUNCATED_FILE_COUNT].name;
+          } else if (files.length > TRUNCATED_FILE_COUNT + 1) {
+            let xmoreStr = bundle.GetStringFromName("AndNMoreFiles");
+            let xmoreNum = files.length - TRUNCATED_FILE_COUNT;
+            let tmp = {};
+            Cu.import("resource://gre/modules/PluralForm.jsm", tmp);
+            let andXMoreStr = tmp.PluralForm.get(xmoreNum, xmoreStr).replace("#1", xmoreNum);
+            titleText += "\n" + andXMoreStr;
+          }
+        }
+      } catch (e) {}
+    }
+
+    // Check texts against null so that title="" can be used to undefine a
+    // title on a child element.
+    while (tipElement &&
+           (titleText == null) && (XLinkTitleText == null) &&
+           (SVGTitleText == null) && (XULtooltiptextText == null)) {
+
+      if (tipElement.nodeType == defView.Node.ELEMENT_NODE) {
+        if (tipElement.namespaceURI == XULNS)
+          XULtooltiptextText = tipElement.getAttribute("tooltiptext");
+        else if (!(tipElement instanceof defView.SVGElement))
+          titleText = tipElement.getAttribute("title");
+
+        if ((tipElement instanceof defView.HTMLAnchorElement ||
+             tipElement instanceof defView.HTMLAreaElement ||
+             tipElement instanceof defView.HTMLLinkElement ||
+             tipElement instanceof defView.SVGAElement) && tipElement.href) {
+          XLinkTitleText = tipElement.getAttributeNS(XLinkNS, "title");
+        }
+        if (lookingForSVGTitle &&
+            (!(tipElement instanceof defView.SVGElement) ||
+             tipElement.parentNode.nodeType == defView.Node.DOCUMENT_NODE)) {
+          lookingForSVGTitle = false;
+        }
+        if (lookingForSVGTitle) {
+          for (let childNode of tipElement.childNodes) {
+            if (childNode instanceof defView.SVGTitleElement) {
+              SVGTitleText = childNode.textContent;
+              break;
+            }
+          }
+        }
+
+        direction = defView.getComputedStyle(tipElement, "")
+                           .getPropertyValue("direction");
+      }
+
+      tipElement = tipElement.parentNode;
+    }
+
+    return [titleText, XLinkTitleText, SVGTitleText, XULtooltiptextText].some(function (t) {
+      if (t && /\S/.test(t)) {
+        // Make CRLF and CR render one line break each.
+        textOut.value = t.replace(/\r\n?/g, '\n');
+        directionOut.value = direction;
+        return true;
+      }
+
+      return false;
+    });
+  },
+
+  classID : Components.ID("{f376627f-0bbc-47b8-887e-fc92574cc91f}"),
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsITooltipTextProvider]),
+};
+
+this.NSGetFactory = XPCOMUtils.generateNSGetFactory([TooltipTextProvider]);
+