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Add progress and loading attributes; includes docs, demo, and test.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| <!DOCTYPE html> | ||
| <html> | ||
| <head> | ||
| <script src="../platform/platform.js" debug></script> | ||
| <meta charset="utf-8"> | ||
| <title>Race condition</title> | ||
| </head> | ||
| <body> | ||
| <link rel="import" href="core-ajax.html"> | ||
| <link rel="import" href="../paper-progress/paper-progress.html"> | ||
| <polymer-element name="progress-test"> | ||
| <template> | ||
| <core-ajax | ||
| id='ajax' auto | ||
| url="http://httpbin.org/drip" | ||
| params="{{ {numbytes: numbytes, duration:5} }}" | ||
| response="{{response}}" | ||
| progress="{{progress}}" | ||
| loading="{{loading}}" | ||
| ></core-ajax> | ||
|
|
||
| <!-- | ||
| Ordinarily you'd gate on progress.lengthComputable, but we know the | ||
| length in this case (and httpbin sadly doesn't return a | ||
| Content-Length header for this requesthere). | ||
| --> | ||
| <div> | ||
| <button on-click='{{restart}}'>Restart</button> | ||
| <template if='{{loading}}'> | ||
| Loading... | ||
| </template> | ||
| <template if='{{!loading}}'> | ||
| Loaded! | ||
| </template> | ||
| </div> | ||
| <template if='{{loading && progress.loaded}}'> | ||
| <paper-progress | ||
| value="{{progress.loaded}}" | ||
| min="0" | ||
| max="{{numbytes}}"> | ||
| </paper-progress><br> | ||
| </template> | ||
| </template> | ||
| <script> | ||
| Polymer('progress-test', { | ||
| loading: true, | ||
| i: 0, | ||
| numbytes: 1000, | ||
| pretty: function(i) { | ||
| return JSON.stringify(i, null, 2); | ||
| }, | ||
| restart: function() { | ||
| this.$.ajax.abort(); | ||
| this.$.ajax.go(); | ||
| } | ||
| }); | ||
| </script> | ||
|
|
||
| </polymer-element> | ||
|
|
||
| <progress-test></progress-test> | ||
| </body> | ||
| </html> |
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|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| <!doctype html> | ||
| <!-- | ||
| Copyright (c) 2014 The Polymer Project Authors. All rights reserved. | ||
| This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt | ||
| The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt | ||
| The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt | ||
| Code distributed by Google as part of the polymer project is also | ||
| subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt | ||
| --> | ||
| <html> | ||
| <head> | ||
| <title>core-ajax-response-and-error</title> | ||
|
|
||
| <script src="../../../platform/platform.js"></script> | ||
| <script src="../../../polymer-test-tools/chai/chai.js"></script> | ||
| <script src="../../../polymer-test-tools/htmltest.js"></script> | ||
|
|
||
| <link rel="import" href="../../core-ajax.html"> | ||
|
|
||
| </head> | ||
| <body> | ||
|
|
||
| <polymer-element name="race-condition"> | ||
| <template> | ||
| <!-- TODO: change this from /headers to /drip if we can get httpbin to | ||
| send a Content-Length with their /drip response. --> | ||
| <core-ajax | ||
| auto url="http://httpbin.org/headers" | ||
| params="{{ {numbytes: numbytes, duration:1} }}" | ||
| loading="{{loading}}" progress="{{progress}}" | ||
| on-core-response='{{responseReceived}}'></core-ajax> | ||
| </template> | ||
| <script> | ||
| Polymer({ | ||
| numbytes: 1000, | ||
| loading: null, | ||
| loadingWasTrue: false, | ||
| loadingFinished: false, | ||
| previousLoaded: null, | ||
| domReady: function() { | ||
| // This will fail the test if it neither passes nor fails in time. | ||
| this.finalTimeout = setTimeout(function() { | ||
| chai.assert.fail('', '', 'Test timed out.'); | ||
| }, 3000); | ||
| }, | ||
| loadingChanged: function() { | ||
| this.assertConsistent(); | ||
| }, | ||
| progressChanged: function() { | ||
| this.assertConsistent(); | ||
| }, | ||
| responseReceived: function() { | ||
| // Shortly after the response is received we should settle into | ||
| // the final consistent state for the element. | ||
| setTimeout(function() { | ||
| chai.assert.equal(this.loading, false); | ||
| chai.assert.equal(this.loadingWasTrue, true); | ||
| if (this.progress && this.progress.lengthComputable) { | ||
| chai.assert.equal(this.progress.total, this.progress.loaded); | ||
| } | ||
| this.assertConsistent(); | ||
| clearTimeout(this.finalTimeout); | ||
| done(); | ||
| }.bind(this), 100); | ||
| }, | ||
| assertConsistent: function() { | ||
| debugger; | ||
| if (this.progress && this.progress.lengthComputable) { | ||
| chai.assert.isNumber(this.progress.total); | ||
| chai.assert.isNumber(this.progress.loaded); | ||
| chai.assert(this.progress.loaded >= 0, | ||
| 'Bytes loaded should not be negative.'); | ||
| chai.assert(this.progress.loaded <= this.progress.total, | ||
| 'Bytes loaded should be less than or equal the total.'); | ||
| if (this.previousLoaded !== null) { | ||
| chai.assert(this.progress.loaded >= this.previousLoaded, | ||
| 'Bytes loaded should increase monotonically.'); | ||
| } | ||
| this.previousLoaded = this.progress.loaded; | ||
| console.log(this.progress.loaded + ' of ' + this.progress.total); | ||
| } | ||
| if (this.loading === true) { | ||
| this.loadingWasTrue = true; | ||
| } | ||
| if (this.loadingWasTrue && this.loading === false) { | ||
| this.loadingFinished = true; | ||
| } | ||
| if (this.loadingFinished) { | ||
| chai.assert.equal( | ||
| this.loading, false, | ||
| 'Once loaded, the request should stay that way'); | ||
| } | ||
| } | ||
| }); | ||
| </script> | ||
| </polymer-element> | ||
|
|
||
| <race-condition></race-condition> | ||
| </body> | ||
| </html> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,4 +1,5 @@ | ||
| htmlSuite('core-ajax', function() { | ||
| htmlTest('html/core-ajax.html'); | ||
| htmlTest('html/core-ajax-response-and-error.html'); | ||
| htmlTest('html/core-ajax-progress-and-loading.html'); | ||
| }); |