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Code Issues Projects Releases Wiki Activity

Also add events groups for the use of plugins.

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--HG--
branch : groups
This commit is contained in:
Kris Maglione
2011-02-06 23:02:36 -05:00
parent 83d86f7f02
commit 9189715e9c
11 changed files with 123 additions and 57 deletions
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70
common/content/events.js
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@@ -255,6 +255,54 @@ var KeyArgProcessor = Class("KeyArgProcessor", KeyProcessor, {
}
});
var EventHive = Class("EventHive", Group.Hive, {
init: function init(group) {
init.supercall(this, group);
this.sessionListeners = [];
},
cleanup: function cleanup() {
this.unlisten(null);
},
/**
* Adds an event listener for this session and removes it on
* dactyl shutdown.
*
* @param {Element} target The element on which to listen.
* @param {string} event The event to listen for.
* @param {function} callback The function to call when the event is received.
* @param {boolean} capture When true, listen during the capture
* phase, otherwise during the bubbling phase.
*/
listen: function (target, event, callback, capture) {
let args = Array.slice(arguments, 0);
args[2] = this.wrapListener(callback);
args[0].addEventListener.apply(args[0], args.slice(1));
args[0] = Cu.getWeakReference(args[0]);
this.sessionListeners.push(args);
},
/**
* Remove an event listener.
*
* @param {Element} target The element on which to listen.
* @param {string} event The event to listen for.
* @param {function} callback The function to call when the event is received.
* @param {boolean} capture When true, listen during the capture
* phase, otherwise during the bubbling phase.
*/
unlisten: function (target, event, callback, capture) {
this.sessionListeners = this.sessionListeners.filter(function (args) {
if (target == null || args[0].get() == target && args[1] == event && args[2] == callback && args[3] == capture) {
args[0].get().removeEventListener.apply(args[0].get(), args.slice(1));
return true;
}
return !args[0].get();
});
}
});
/**
* @instance events
*/
@@ -283,7 +331,9 @@ var Events = Module("events", {
this._macroKeys = [];
this._lastMacro = "";
this.sessionListeners = [];
EventHive.prototype.wrapListener = this.closure.wrapListener;
this.user = contexts.hives.events.user;
this.builtin = contexts.hives.events.builtin;
this._macros = storage.newMap("macros", { privateData: true, store: true });
for (let [k, m] in this._macros)
@@ -344,19 +394,14 @@ var Events = Module("events", {
this._activeMenubar = false;
for (let [event, callback] in Iterator(this.events))
this.addSessionListener(window, event, callback, true);
this.listen(window, event, callback, true);
dactyl.registerObserver("modeChange", function () {
delete self.processor;
});
},
destroy: function () {
util.dump("Removing all event listeners");
for (let args in values(this.sessionListeners))
if (args[0].get())
args[0].get().removeEventListener.apply(args[0].get(), args.slice(1));
},
hives: Group.Hives("events", EventHive),
/**
* Adds an event listener for this session and removes it on
@@ -368,13 +413,8 @@ var Events = Module("events", {
* @param {boolean} capture When true, listen during the capture
* phase, otherwise during the bubbling phase.
*/
addSessionListener: function (target, event, callback, capture) {
let args = Array.slice(arguments, 0);
args[2] = this.wrapListener(callback);
args[0].addEventListener.apply(args[0], args.slice(1));
args[0] = Cu.getWeakReference(args[0]);
this.sessionListeners.push(args);
},
get addSessionListener() this.builtin.closure.listen,
get listen() this.builtin.closure.listen,
/**
* Wraps an event listener to ensure that errors are reported.