1 files changed, 0 insertions, 239 deletions
diff --git a/addon-sdk/source/lib/sdk/ui/state.js b/addon-sdk/source/lib/sdk/ui/state.js
deleted file mode 100644
index 152ce696d..000000000
--- a/addon-sdk/source/lib/sdk/ui/state.js
+++ /dev/null
@@ -1,239 +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';
-
-// The Button module currently supports only Firefox.
-// See: https://bugzilla.mozilla.org/show_bug.cgi?id=jetpack-panel-apps
-module.metadata = {
-  'stability': 'experimental',
-  'engines': {
-    'Firefox': '*',
-    'SeaMonkey': '*',
-    'Thunderbird': '*'
-  }
-};
-
-const { Ci } = require('chrome');
-
-const events = require('../event/utils');
-const { events: browserEvents } = require('../browser/events');
-const { events: tabEvents } = require('../tab/events');
-const { events: stateEvents } = require('./state/events');
-
-const { windows, isInteractive, getFocusedBrowser } = require('../window/utils');
-const { getActiveTab, getOwnerWindow } = require('../tabs/utils');
-
-const { ignoreWindow } = require('../private-browsing/utils');
-
-const { freeze } = Object;
-const { merge } = require('../util/object');
-const { on, off, emit } = require('../event/core');
-
-const { add, remove, has, clear, iterator } = require('../lang/weak-set');
-const { isNil } = require('../lang/type');
-
-const { viewFor } = require('../view/core');
-
-const components = new WeakMap();
-
-const ERR_UNREGISTERED = 'The state cannot be set or get. ' +
-  'The object may be not be registered, or may already have been unloaded.';
-
-const ERR_INVALID_TARGET = 'The state cannot be set or get for this target.' +
-  'Only window, tab and registered component are valid targets.';
-
-const isWindow = thing => thing instanceof Ci.nsIDOMWindow;
-const isTab = thing => thing.tagName && thing.tagName.toLowerCase() === 'tab';
-const isActiveTab = thing => isTab(thing) && thing === getActiveTab(getOwnerWindow(thing));
-const isEnumerable = window => !ignoreWindow(window);
-const browsers = _ =>
-  windows('navigator:browser', { includePrivate: true }).filter(isInteractive);
-const getMostRecentTab = _ => getActiveTab(getFocusedBrowser());
-
-function getStateFor(component, target) {
-  if (!isRegistered(component))
-    throw new Error(ERR_UNREGISTERED);
-
-  if (!components.has(component))
-    return null;
-
-  let states = components.get(component);
-
-  if (target) {
-    if (isTab(target) || isWindow(target) || target === component)
-      return states.get(target) || null;
-    else
-      throw new Error(ERR_INVALID_TARGET);
-  }
-
-  return null;
-}
-exports.getStateFor = getStateFor;
-
-function getDerivedStateFor(component, target) {
-  if (!isRegistered(component))
-    throw new Error(ERR_UNREGISTERED);
-
-  if (!components.has(component))
-    return null;
-
-  let states = components.get(component);
-
-  let componentState = states.get(component);
-  let windowState = null;
-  let tabState = null;
-
-  if (target) {
-    // has a target
-    if (isTab(target)) {
-      windowState = states.get(getOwnerWindow(target), null);
-
-      if (states.has(target)) {
-        // we have a tab state
-        tabState = states.get(target);
-      }
-    }
-    else if (isWindow(target) && states.has(target)) {
-      // we have a window state
-      windowState = states.get(target);
-    }
-  }
-
-  return freeze(merge({}, componentState, windowState, tabState));
-}
-exports.getDerivedStateFor = getDerivedStateFor;
-
-function setStateFor(component, target, state) {
-  if (!isRegistered(component))
-    throw new Error(ERR_UNREGISTERED);
-
-  let isComponentState = target === component;
-  let targetWindows = isWindow(target) ? [target] :
-                      isActiveTab(target) ? [getOwnerWindow(target)] :
-                      isComponentState ? browsers() :
-                      isTab(target) ? [] :
-                      null;
-
-  if (!targetWindows)
-    throw new Error(ERR_INVALID_TARGET);
-
-  // initialize the state's map
-  if (!components.has(component))
-    components.set(component, new WeakMap());
-
-  let states = components.get(component);
-
-  if (state === null && !isComponentState) // component state can't be deleted
-    states.delete(target);
-  else {
-    let base = isComponentState ? states.get(target) : null;
-    states.set(target, freeze(merge({}, base, state)));
-  }
-
-  render(component, targetWindows);
-}
-exports.setStateFor = setStateFor;
-
-function render(component, targetWindows) {
-  targetWindows = targetWindows ? [].concat(targetWindows) : browsers();
-
-  for (let window of targetWindows.filter(isEnumerable)) {
-    let tabState = getDerivedStateFor(component, getActiveTab(window));
-
-    emit(stateEvents, 'data', {
-      type: 'render',
-      target: component,
-      window: window,
-      state: tabState
-    });
-
-  }
-}
-exports.render = render;
-
-function properties(contract) {
-  let { rules } = contract;
-  let descriptor = Object.keys(rules).reduce(function(descriptor, name) {
-    descriptor[name] = {
-      get: function() { return getDerivedStateFor(this)[name] },
-      set: function(value) {
-        let changed = {};
-        changed[name] = value;
-
-        setStateFor(this, this, contract(changed));
-      }
-    }
-    return descriptor;
-  }, {});
-
-  return Object.create(Object.prototype, descriptor);
-}
-exports.properties = properties;
-
-function state(contract) {
-  return {
-    state: function state(target, state) {
-      let nativeTarget = target === 'window' ? getFocusedBrowser()
-                          : target === 'tab' ? getMostRecentTab()
-                          : target === this ? null
-                          : viewFor(target);
-
-      if (!nativeTarget && target !== this && !isNil(target))
-        throw new Error(ERR_INVALID_TARGET);
-
-      target = nativeTarget || target;
-
-      // jquery style
-      return arguments.length < 2
-        ? getDerivedStateFor(this, target)
-        : setStateFor(this, target, contract(state))
-    }
-  }
-}
-exports.state = state;
-
-const register = (component, state) => {
-  add(components, component);
-  setStateFor(component, component, state);
-}
-exports.register = register;
-
-const unregister = component => {
-  remove(components, component);
-}
-exports.unregister = unregister;
-
-const isRegistered = component => has(components, component);
-exports.isRegistered = isRegistered;
-
-var tabSelect = events.filter(tabEvents, e => e.type === 'TabSelect');
-var tabClose = events.filter(tabEvents, e => e.type === 'TabClose');
-var windowOpen = events.filter(browserEvents, e => e.type === 'load');
-var windowClose = events.filter(browserEvents, e => e.type === 'close');
-
-var close = events.merge([tabClose, windowClose]);
-var activate = events.merge([windowOpen, tabSelect]);
-
-on(activate, 'data', ({target}) => {
-  let [window, tab] = isWindow(target)
-                        ? [target, getActiveTab(target)]
-                        : [getOwnerWindow(target), target];
-
-  if (ignoreWindow(window)) return;
-
-  for (let component of iterator(components)) {
-    emit(stateEvents, 'data', {
-      type: 'render',
-      target: component,
-      window: window,
-      state: getDerivedStateFor(component, tab)
-    });
-  }
-});
-
-on(close, 'data', function({target}) {
-  for (let component of iterator(components)) {
-    components.get(component).delete(target);
-  }
-});