1 files changed, 0 insertions, 215 deletions
diff --git a/addon-sdk/source/lib/framescript/context-menu.js b/addon-sdk/source/lib/framescript/context-menu.js
deleted file mode 100644
index 3915b7cd8..000000000
--- a/addon-sdk/source/lib/framescript/context-menu.js
+++ /dev/null
@@ -1,215 +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/. */
-"use strict";
-
-const { query, constant, cache } = require("sdk/lang/functional");
-const { pairs, each, map, object } = require("sdk/util/sequence");
-const { nodeToMessageManager } = require("./util");
-
-// Decorator function that takes `f` function and returns one that attempts
-// to run `f` with given arguments. In case of exception error is logged
-// and `fallback` is returned instead.
-const Try = (fn, fallback=null) => (...args) => {
-  try {
-    return fn(...args);
-  } catch(error) {
-    console.error(error);
-    return fallback;
-  }
-};
-
-// Decorator funciton that takes `f` function and returns one that returns
-// JSON cloned result of whatever `f` returns for given arguments.
-const JSONReturn = f => (...args) => JSON.parse(JSON.stringify(f(...args)));
-
-const Null = constant(null);
-
-// Table of readers mapped to field names they're going to be reading.
-const readers = Object.create(null);
-// Read function takes "contextmenu" event target `node` and returns table of
-// read field names mapped to appropriate values. Read uses above defined read
-// table to read data for all registered readers.
-const read = node =>
-  object(...map(([id, read]) => [id, read(node, id)], pairs(readers)));
-
-// Table of built-in readers, each takes a descriptor and returns a reader:
-// descriptor -> node -> JSON
-const parsers = Object.create(null)
-// Function takes a descriptor of the remotely defined reader and parsese it
-// to construct a local reader that's going to read out data from context menu
-// target.
-const parse = descriptor => {
-  const parser = parsers[descriptor.category];
-  if (!parser) {
-    console.error("Unknown reader descriptor was received", descriptor, `"${descriptor.category}"`);
-    return Null
-  }
-  return Try(parser(descriptor));
-}
-
-// TODO: Test how chrome's mediaType behaves to try and match it's behavior.
-const HTML_NS = "http://www.w3.org/1999/xhtml";
-const XUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
-const SVG_NS = "http://www.w3.org/2000/svg";
-
-// Firefox always creates a HTMLVideoElement when loading an ogg file
-// directly. If the media is actually audio, be smarter and provide a
-// context menu with audio operations.
-// Source: https://github.com/mozilla/gecko-dev/blob/28c2fca3753c5371643843fc2f2f205146b083b7/browser/base/content/nsContextMenu.js#L632-L637
-const isVideoLoadingAudio = node =>
-  node.readyState >= node.HAVE_METADATA &&
-    (node.videoWidth == 0 || node.videoHeight == 0)
-
-const isVideo = node =>
-  node instanceof node.ownerDocument.defaultView.HTMLVideoElement &&
-  !isVideoLoadingAudio(node);
-
-const isAudio = node => {
-  const {HTMLVideoElement, HTMLAudioElement} = node.ownerDocument.defaultView;
-  return node instanceof HTMLAudioElement ? true :
-         node instanceof HTMLVideoElement ? isVideoLoadingAudio(node) :
-         false;
-};
-
-const isImage = ({namespaceURI, localName}) =>
-  namespaceURI === HTML_NS && localName === "img" ? true :
-  namespaceURI === XUL_NS && localName === "image" ? true :
-  namespaceURI === SVG_NS && localName === "image" ? true :
-  false;
-
-parsers["reader/MediaType()"] = constant(node =>
-  isImage(node) ? "image" :
-  isAudio(node) ? "audio" :
-  isVideo(node) ? "video" :
-  null);
-
-
-const readLink = node =>
-  node.namespaceURI === HTML_NS && node.localName === "a" ? node.href :
-  readLink(node.parentNode);
-
-parsers["reader/LinkURL()"] = constant(node =>
-  node.matches("a, a *") ? readLink(node) : null);
-
-// Reader that reads out `true` if "contextmenu" `event.target` matches
-// `descriptor.selector` and `false` if it does not.
-parsers["reader/SelectorMatch()"] = ({selector}) =>
-  node => node.matches(selector);
-
-// Accessing `selectionStart` and `selectionEnd` properties on non
-// editable input nodes throw exceptions, there for we need this util
-// function to guard us against them.
-const getInputSelection = node => {
-  try {
-    if ("selectionStart" in node && "selectionEnd" in node) {
-      const {selectionStart, selectionEnd} = node;
-      return {selectionStart, selectionEnd}
-    }
-  }
-  catch(_) {}
-
-  return null;
-}
-
-// Selection reader does not really cares about descriptor so it is
-// a constant function returning selection reader. Selection reader
-// returns string of the selected text or `null` if there is no selection.
-parsers["reader/Selection()"] = constant(node => {
-  const selection = node.ownerDocument.getSelection();
-  if (!selection.isCollapsed) {
-    return selection.toString();
-  }
-  // If target node is editable (text, input, textarea, etc..) document does
-  // not really handles selections there. There for we fallback to checking
-  // `selectionStart` `selectionEnd` properties and if they are present we
-  // extract selections manually from the `node.value`.
-  else {
-    const selection = getInputSelection(node);
-    const isSelected = selection &&
-                       Number.isInteger(selection.selectionStart) &&
-                       Number.isInteger(selection.selectionEnd) &&
-                       selection.selectionStart !== selection.selectionEnd;
-    return  isSelected ? node.value.substring(selection.selectionStart,
-                                              selection.selectionEnd) :
-            null;
-  }
-});
-
-// Query reader just reads out properties from the node, so we just use `query`
-// utility function.
-parsers["reader/Query()"] = ({path}) => JSONReturn(query(path));
-// Attribute reader just reads attribute of the event target node.
-parsers["reader/Attribute()"] = ({name}) => node => node.getAttribute(name);
-
-// Extractor reader defines generates a reader out of serialized function, who's
-// return value is JSON cloned. Note: We do know source will evaluate to function
-// as that's what we serialized on the other end, it's also ok if generated function
-// is going to throw as registered readers are wrapped in try catch to avoid breakting
-// unrelated readers.
-parsers["reader/Extractor()"] = ({source}) =>
-  JSONReturn(new Function("return (" + source + ")")());
-
-// If the context-menu target node or any of its ancestors is one of these,
-// Firefox uses a tailored context menu, and so the page context doesn't apply.
-// There for `reader/isPage()` will read `false` in that case otherwise it's going
-// to read `true`.
-const nonPageElements = ["a", "applet", "area", "button", "canvas", "object",
-                         "embed", "img", "input", "map", "video", "audio", "menu",
-                         "option", "select", "textarea", "[contenteditable=true]"];
-const nonPageSelector = nonPageElements.
-                          concat(nonPageElements.map(tag => `${tag} *`)).
-                          join(", ");
-
-// Note: isPageContext implementation could have actually used SelectorMatch reader,
-// but old implementation was also checked for collapsed selection there for to keep
-// the behavior same we end up implementing a new reader.
-parsers["reader/isPage()"] = constant(node =>
-  node.ownerDocument.defaultView.getSelection().isCollapsed &&
-  !node.matches(nonPageSelector));
-
-// Reads `true` if node is in an iframe otherwise returns true.
-parsers["reader/isFrame()"] = constant(node =>
-  !!node.ownerDocument.defaultView.frameElement);
-
-parsers["reader/isEditable()"] = constant(node => {
-  const selection = getInputSelection(node);
-  return selection ? !node.readOnly && !node.disabled : node.isContentEditable;
-});
-
-
-// TODO: Add some reader to read out tab id.
-
-const onReadersUpdate = message => {
-  each(([id, descriptor]) => {
-    if (descriptor) {
-      readers[id] = parse(descriptor);
-    }
-    else {
-      delete readers[id];
-    }
-  }, pairs(message.data));
-};
-exports.onReadersUpdate = onReadersUpdate;
-
-
-const onContextMenu = event => {
-  if (!event.defaultPrevented) {
-    const manager = nodeToMessageManager(event.target);
-    manager.sendSyncMessage("sdk/context-menu/read", read(event.target), readers);
-  }
-};
-exports.onContextMenu = onContextMenu;
-
-
-const onContentFrame = (frame) => {
-  // Listen for contextmenu events in on this frame.
-  frame.addEventListener("contextmenu", onContextMenu);
-  // Listen to registered reader changes and update registry.
-  frame.addMessageListener("sdk/context-menu/readers", onReadersUpdate);
-
-  // Request table of readers (if this is loaded in a new process some table
-  // changes may be missed, this is way to sync up).
-  frame.sendAsyncMessage("sdk/context-menu/readers?");
-};
-exports.onContentFrame = onContentFrame;