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diff --git a/contexts/data/lib/closure-library/closure/goog/fx/anim/anim.js b/contexts/data/lib/closure-library/closure/goog/fx/anim/anim.js
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--- a/contexts/data/lib/closure-library/closure/goog/fx/anim/anim.js
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@@ -1,209 +0,0 @@
-// Copyright 2006 The Closure Library Authors. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS-IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-/**
- * @fileoverview Basic animation controls.
- *
- */
-goog.provide('goog.fx.anim');
-goog.provide('goog.fx.anim.Animated');
-
-goog.require('goog.async.AnimationDelay');
-goog.require('goog.async.Delay');
-goog.require('goog.object');
-
-
-/**
- * An interface for programatically animated objects. I.e. rendered in
- * javascript frame by frame.
- *
- * @interface
- */
-goog.fx.anim.Animated = function() {};
-
-
-/**
- * Function called when a frame is requested for the animation.
- *
- * @param {number} now Current time in milliseconds.
- */
-goog.fx.anim.Animated.prototype.onAnimationFrame;
-
-
-/**
- * Default wait timeout for animations (in milliseconds). Only used for timed
- * animation, which uses a timer (setTimeout) to schedule animation.
- *
- * @type {number}
- * @const
- */
-goog.fx.anim.TIMEOUT = goog.async.AnimationDelay.TIMEOUT;
-
-
-/**
- * A map of animations which should be cycled on the global timer.
- *
- * @type {Object.<number, goog.fx.anim.Animated>}
- * @private
- */
-goog.fx.anim.activeAnimations_ = {};
-
-
-/**
- * An optional animation window.
- * @type {Window}
- * @private
- */
-goog.fx.anim.animationWindow_ = null;
-
-
-/**
- * An interval ID for the global timer or event handler uid.
- * @type {goog.async.Delay|goog.async.AnimationDelay}
- * @private
- */
-goog.fx.anim.animationDelay_ = null;
-
-
-/**
- * Registers an animation to be cycled on the global timer.
- * @param {goog.fx.anim.Animated} animation The animation to register.
- */
-goog.fx.anim.registerAnimation = function(animation) {
- var uid = goog.getUid(animation);
- if (!(uid in goog.fx.anim.activeAnimations_)) {
- goog.fx.anim.activeAnimations_[uid] = animation;
- }
-
- // If the timer is not already started, start it now.
- goog.fx.anim.requestAnimationFrame_();
-};
-
-
-/**
- * Removes an animation from the list of animations which are cycled on the
- * global timer.
- * @param {goog.fx.anim.Animated} animation The animation to unregister.
- */
-goog.fx.anim.unregisterAnimation = function(animation) {
- var uid = goog.getUid(animation);
- delete goog.fx.anim.activeAnimations_[uid];
-
- // If a timer is running and we no longer have any active timers we stop the
- // timers.
- if (goog.object.isEmpty(goog.fx.anim.activeAnimations_)) {
- goog.fx.anim.cancelAnimationFrame_();
- }
-};
-
-
-/**
- * Tears down this module. Useful for testing.
- */
-// TODO(nicksantos): Wow, this api is pretty broken. This should be fixed.
-goog.fx.anim.tearDown = function() {
- goog.fx.anim.animationWindow_ = null;
- goog.dispose(goog.fx.anim.animationDelay_);
- goog.fx.anim.animationDelay_ = null;
- goog.fx.anim.activeAnimations_ = {};
-};
-
-
-/**
- * Registers an animation window. This allows usage of the timing control API
- * for animations. Note that this window must be visible, as non-visible
- * windows can potentially stop animating. This window does not necessarily
- * need to be the window inside which animation occurs, but must remain visible.
- * See: https://developer.mozilla.org/en/DOM/window.mozRequestAnimationFrame.
- *
- * @param {Window} animationWindow The window in which to animate elements.
- */
-goog.fx.anim.setAnimationWindow = function(animationWindow) {
- // If a timer is currently running, reset it and restart with new functions
- // after a timeout. This is to avoid mismatching timer UIDs if we change the
- // animation window during a running animation.
- //
- // In practice this cannot happen before some animation window and timer
- // control functions has already been set.
- var hasTimer =
- goog.fx.anim.animationDelay_ && goog.fx.anim.animationDelay_.isActive();
-
- goog.dispose(goog.fx.anim.animationDelay_);
- goog.fx.anim.animationDelay_ = null;
- goog.fx.anim.animationWindow_ = animationWindow;
-
- // If the timer was running, start it again.
- if (hasTimer) {
- goog.fx.anim.requestAnimationFrame_();
- }
-};
-
-
-/**
- * Requests an animation frame based on the requestAnimationFrame and
- * cancelRequestAnimationFrame function pair.
- * @private
- */
-goog.fx.anim.requestAnimationFrame_ = function() {
- if (!goog.fx.anim.animationDelay_) {
- // We cannot guarantee that the global window will be one that fires
- // requestAnimationFrame events (consider off-screen chrome extension
- // windows). Default to use goog.async.Delay, unless
- // the client has explicitly set an animation window.
- if (goog.fx.anim.animationWindow_) {
- // requestAnimationFrame will call cycleAnimations_ with the current
- // time in ms, as returned from goog.now().
- goog.fx.anim.animationDelay_ = new goog.async.AnimationDelay(
- function(now) {
- goog.fx.anim.cycleAnimations_(now);
- }, goog.fx.anim.animationWindow_);
- } else {
- goog.fx.anim.animationDelay_ = new goog.async.Delay(function() {
- goog.fx.anim.cycleAnimations_(goog.now());
- }, goog.fx.anim.TIMEOUT);
- }
- }
-
- var delay = goog.fx.anim.animationDelay_;
- if (!delay.isActive()) {
- delay.start();
- }
-};
-
-
-/**
- * Cancels an animation frame created by requestAnimationFrame_().
- * @private
- */
-goog.fx.anim.cancelAnimationFrame_ = function() {
- if (goog.fx.anim.animationDelay_) {
- goog.fx.anim.animationDelay_.stop();
- }
-};
-
-
-/**
- * Cycles through all registered animations.
- * @param {number} now Current time in milliseconds.
- * @private
- */
-goog.fx.anim.cycleAnimations_ = function(now) {
- goog.object.forEach(goog.fx.anim.activeAnimations_, function(anim) {
- anim.onAnimationFrame(now);
- });
-
- if (!goog.object.isEmpty(goog.fx.anim.activeAnimations_)) {
- goog.fx.anim.requestAnimationFrame_();
- }
-};