mirror of
https://github.com/shaka-project/shaka-player.git
synced 2026-06-26 17:46:26 +03:00
Joey Parrish
b8ccc02320
- IE did not get forEach until IE 9, so it can't be used in polyfill.installAll(). - Object.keys, console, and console.log.bind may all be unavailable on older browsers, so skip initialization of on-screen logging in the demo app if they are missing. The support test will fail anyway. - 'catch' is a reserved word on older browsers, so use the two-arg version of then() to catch promise failures. With these fixes, the support test can again be used on old browsers, and the compiled-mode demo app can report an error back to IE 6. Change-Id: I3019468f24a510a265ad5b13df4f01cd1bb1f34d
71 lines
2.8 KiB
JavaScript
71 lines
2.8 KiB
JavaScript
/**
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* @license
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* Copyright 2016 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* Loads the library. Chooses compiled or debug version of the library based
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* on the presence or absence of the URL parameter "compiled".
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*
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* This dynamic loading process is not necessary in a production environment,
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* but greatly simplifies the process of switching between compiled and
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* uncompiled mode during development.
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*
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* This is used in the provided demo app, but can also be used to load the
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* uncompiled version of the library into your own application environment.
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*/
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(function() { // anonymous namespace
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// The sources may be in a different folder from the app.
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// Compute the base URL for all library sources.
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var currentScript = document.currentScript ||
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document.scripts[document.scripts.length - 1];
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var loaderSrc = currentScript.src;
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var baseUrl = loaderSrc.split('/').slice(0, -1).join('/') + '/';
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function loadScript(src) {
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// This does not seem like it would be the best way to do this, but the
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// timing is different than creating a new script element and appending
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// it to the head element. This way, all script loading happens before
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// DOMContentLoaded. This is also compatible with goog.require's loading
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// mechanism, whereas appending an element to head isn't.
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document.write('<script src="' + baseUrl + src + '"></script>');
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}
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var fields = location.search.split('?').slice(1).join('?');
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fields = fields ? fields.split(';') : [];
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// Very old browsers do not have Array.prototype.indexOf.
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var compiledMode = false;
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for (var i = 0; i < fields.length; ++i) {
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if (fields[i] == 'compiled') {
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compiledMode = true;
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break;
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}
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}
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if (compiledMode) {
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// This contains the entire library, compiled in debug mode.
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loadScript('../dist/shaka-player.compiled.debug.js');
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} else {
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// In non-compiled mode, we load the closure library and the generated deps
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// file to bootstrap the system. goog.require will load the rest.
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loadScript('../third_party/closure/goog/base.js');
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loadScript('../dist/deps.js');
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// This file contains goog.require calls for all exported classes.
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loadScript('../shaka-player.uncompiled.js');
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}
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})(); // anonymous namespace
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