Remove WebExtension support from the platform.

- Conditional code
- WE APIs
- WE toolkit theming

1 files changed, 0 insertions, 217 deletions

diff --git a/toolkit/components/webextensions/ext-browser-content.js b/toolkit/components/webextensions/ext-browser-content.js
deleted file mode 100644
index e14ca50d6..000000000
--- a/toolkit/components/webextensions/ext-browser-content.js
+++ /dev/null
@@ -1,217 +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 {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
-
-Cu.import("resource://gre/modules/ExtensionUtils.jsm");
-Cu.import("resource://gre/modules/XPCOMUtils.jsm");
-
-XPCOMUtils.defineLazyModuleGetter(this, "clearTimeout",
-                                  "resource://gre/modules/Timer.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "NetUtil",
-                                  "resource://gre/modules/NetUtil.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "require",
-                                  "resource://devtools/shared/Loader.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "setTimeout",
-                                  "resource://gre/modules/Timer.jsm");
-
-XPCOMUtils.defineLazyGetter(this, "colorUtils", () => {
-  return require("devtools/shared/css/color").colorUtils;
-});
-
-const {
-  stylesheetMap,
-} = ExtensionUtils;
-
-/* globals addMessageListener, content, docShell, sendAsyncMessage */
-
-// Minimum time between two resizes.
-const RESIZE_TIMEOUT = 100;
-
-const BrowserListener = {
-  init({allowScriptsToClose, fixedWidth, maxHeight, maxWidth, stylesheets}) {
-    this.fixedWidth = fixedWidth;
-    this.stylesheets = stylesheets || [];
-
-    this.maxWidth = maxWidth;
-    this.maxHeight = maxHeight;
-
-    this.oldBackground = null;
-
-    if (allowScriptsToClose) {
-      content.QueryInterface(Ci.nsIInterfaceRequestor)
-             .getInterface(Ci.nsIDOMWindowUtils)
-             .allowScriptsToClose();
-    }
-
-    addEventListener("DOMWindowCreated", this, true);
-    addEventListener("load", this, true);
-    addEventListener("DOMContentLoaded", this, true);
-    addEventListener("DOMWindowClose", this, true);
-    addEventListener("MozScrolledAreaChanged", this, true);
-  },
-
-  destroy() {
-    removeEventListener("DOMWindowCreated", this, true);
-    removeEventListener("load", this, true);
-    removeEventListener("DOMContentLoaded", this, true);
-    removeEventListener("DOMWindowClose", this, true);
-    removeEventListener("MozScrolledAreaChanged", this, true);
-  },
-
-  receiveMessage({name, data}) {
-    if (name === "Extension:InitBrowser") {
-      this.init(data);
-    }
-  },
-
-  handleEvent(event) {
-    switch (event.type) {
-      case "DOMWindowCreated":
-        if (event.target === content.document) {
-          let winUtils = content.QueryInterface(Ci.nsIInterfaceRequestor)
-                                .getInterface(Ci.nsIDOMWindowUtils);
-
-          for (let url of this.stylesheets) {
-            winUtils.addSheet(stylesheetMap.get(url), winUtils.AGENT_SHEET);
-          }
-        }
-        break;
-
-      case "DOMWindowClose":
-        if (event.target === content) {
-          event.preventDefault();
-
-          sendAsyncMessage("Extension:DOMWindowClose");
-        }
-        break;
-
-      case "DOMContentLoaded":
-        if (event.target === content.document) {
-          sendAsyncMessage("Extension:BrowserContentLoaded", {url: content.location.href});
-          this.handleDOMChange(true);
-        }
-        break;
-
-      case "load":
-        if (event.target.contentWindow === content) {
-          // For about:addons inline <browsers>, we currently receive a load
-          // event on the <browser> element, but no load or DOMContentLoaded
-          // events from the content window.
-          sendAsyncMessage("Extension:BrowserContentLoaded", {url: content.location.href});
-        } else if (event.target !== content.document) {
-          break;
-        }
-
-        // We use a capturing listener, so we get this event earlier than any
-        // load listeners in the content page. Resizing after a timeout ensures
-        // that we calculate the size after the entire event cycle has completed
-        // (unless someone spins the event loop, anyway), and hopefully after
-        // the content has made any modifications.
-        Promise.resolve().then(() => {
-          this.handleDOMChange(true);
-        });
-
-        // Mutation observer to make sure the panel shrinks when the content does.
-        new content.MutationObserver(this.handleDOMChange.bind(this)).observe(
-          content.document.documentElement, {
-            attributes: true,
-            characterData: true,
-            childList: true,
-            subtree: true,
-          });
-        break;
-
-      case "MozScrolledAreaChanged":
-        this.handleDOMChange();
-        break;
-    }
-  },
-
-  // Resizes the browser to match the preferred size of the content (debounced).
-  handleDOMChange(ignoreThrottling = false) {
-    if (ignoreThrottling && this.resizeTimeout) {
-      clearTimeout(this.resizeTimeout);
-      this.resizeTimeout = null;
-    }
-
-    if (this.resizeTimeout == null) {
-      this.resizeTimeout = setTimeout(() => {
-        try {
-          if (content) {
-            this._handleDOMChange("delayed");
-          }
-        } finally {
-          this.resizeTimeout = null;
-        }
-      }, RESIZE_TIMEOUT);
-
-      this._handleDOMChange();
-    }
-  },
-
-  _handleDOMChange(detail) {
-    let doc = content.document;
-
-    let body = doc.body;
-    if (!body || doc.compatMode === "BackCompat") {
-      // In quirks mode, the root element is used as the scroll frame, and the
-      // body lies about its scroll geometry, and returns the values for the
-      // root instead.
-      body = doc.documentElement;
-    }
-
-
-    let result;
-    if (this.fixedWidth) {
-      // If we're in a fixed-width area (namely a slide-in subview of the main
-      // menu panel), we need to calculate the view height based on the
-      // preferred height of the content document's root scrollable element at the
-      // current width, rather than the complete preferred dimensions of the
-      // content window.
-
-      // Compensate for any offsets (margin, padding, ...) between the scroll
-      // area of the body and the outer height of the document.
-      let getHeight = elem => elem.getBoundingClientRect(elem).height;
-      let bodyPadding = getHeight(doc.documentElement) - getHeight(body);
-
-      let height = Math.ceil(body.scrollHeight + bodyPadding);
-
-      result = {height, detail};
-    } else {
-      let background = doc.defaultView.getComputedStyle(body).backgroundColor;
-      let bgColor = colorUtils.colorToRGBA(background);
-      if (bgColor.a !== 1) {
-        // Ignore non-opaque backgrounds.
-        background = null;
-      }
-
-      if (background !== this.oldBackground) {
-        sendAsyncMessage("Extension:BrowserBackgroundChanged", {background});
-      }
-      this.oldBackground = background;
-
-
-      // Adjust the size of the browser based on its content's preferred size.
-      let {contentViewer} = docShell;
-      let ratio = content.devicePixelRatio;
-
-      let w = {}, h = {};
-      contentViewer.getContentSizeConstrained(this.maxWidth * ratio,
-                                              this.maxHeight * ratio,
-                                              w, h);
-
-      let width = Math.ceil(w.value / ratio);
-      let height = Math.ceil(h.value / ratio);
-
-      result = {width, height, detail};
-    }
-
-    sendAsyncMessage("Extension:BrowserResized", result);
-  },
-};
-
-addMessageListener("Extension:InitBrowser", BrowserListener);