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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Shim that simulates a <webview> tag via Mutation Observers. | 5 // Shim that simulates a <webview> tag via Mutation Observers. |
6 // | 6 // |
7 // The actual tag is implemented via the browser plugin. The internals of this | 7 // The actual tag is implemented via the browser plugin. The internals of this |
8 // are hidden via Shadow DOM. | 8 // are hidden via Shadow DOM. |
9 | 9 |
10 var watchForTag = require('tagWatcher').watchForTag; | 10 var watchForTag = require('tagWatcher').watchForTag; |
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431 ]; | 431 ]; |
432 | 432 |
433 var self = this; | 433 var self = this; |
434 var node = this.webviewNode_; | 434 var node = this.webviewNode_; |
435 var browserPluginNode = this.browserPluginNode_; | 435 var browserPluginNode = this.browserPluginNode_; |
436 | 436 |
437 var onTrackedObjectGone = function(requestId, e) { | 437 var onTrackedObjectGone = function(requestId, e) { |
438 var detail = e.detail ? JSON.parse(e.detail) : {}; | 438 var detail = e.detail ? JSON.parse(e.detail) : {}; |
439 if (detail.id != requestId) | 439 if (detail.id != requestId) |
440 return; | 440 return; |
441 browserPluginNode['-internal-setPermission'](requestId, false); | 441 browserPluginNode['-internal-setPermission'](requestId, false, ''); |
442 } | 442 } |
443 | 443 |
444 browserPluginNode.addEventListener('-internal-newwindow', function(e) { | 444 browserPluginNode.addEventListener('-internal-newwindow', function(e) { |
445 var evt = new Event('newwindow', { bubbles: true, cancelable: true }); | 445 var evt = new Event('newwindow', { bubbles: true, cancelable: true }); |
446 var detail = e.detail ? JSON.parse(e.detail) : {}; | 446 var detail = e.detail ? JSON.parse(e.detail) : {}; |
447 | 447 |
448 $Array.forEach(NEW_WINDOW_EVENT_ATTRIBUTES, function(attribName) { | 448 $Array.forEach(NEW_WINDOW_EVENT_ATTRIBUTES, function(attribName) { |
449 evt[attribName] = detail[attribName]; | 449 evt[attribName] = detail[attribName]; |
450 }); | 450 }); |
451 var requestId = detail.requestId; | 451 var requestId = detail.requestId; |
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471 var attached = | 471 var attached = |
472 browserPluginNode['-internal-attachWindowTo'](webview, | 472 browserPluginNode['-internal-attachWindowTo'](webview, |
473 detail.windowId); | 473 detail.windowId); |
474 if (!attached) { | 474 if (!attached) { |
475 console.error(ERROR_MSG_NEWWINDOW_UNABLE_TO_ATTACH); | 475 console.error(ERROR_MSG_NEWWINDOW_UNABLE_TO_ATTACH); |
476 } | 476 } |
477 // If the object being passed into attach is not a valid <webview> | 477 // If the object being passed into attach is not a valid <webview> |
478 // then we will fail and it will be treated as if the new window | 478 // then we will fail and it will be treated as if the new window |
479 // was rejected. The permission API plumbing is used here to clean | 479 // was rejected. The permission API plumbing is used here to clean |
480 // up the state created for the new window if attaching fails. | 480 // up the state created for the new window if attaching fails. |
481 browserPluginNode['-internal-setPermission'](requestId, attached); | 481 browserPluginNode['-internal-setPermission'](requestId, attached, ''); |
482 }, 0); | 482 }, 0); |
483 }, | 483 }, |
484 discard: function() { | 484 discard: function() { |
485 validateCall(); | 485 validateCall(); |
486 browserPluginNode['-internal-setPermission'](requestId, false); | 486 browserPluginNode['-internal-setPermission'](requestId, false, ''); |
487 } | 487 } |
488 }; | 488 }; |
489 evt.window = window; | 489 evt.window = window; |
490 // Make browser plugin track lifetime of |window|. | 490 // Make browser plugin track lifetime of |window|. |
491 var onTrackedObjectGoneWithRequestId = | 491 var onTrackedObjectGoneWithRequestId = |
492 $Function.bind(onTrackedObjectGone, self, requestId); | 492 $Function.bind(onTrackedObjectGone, self, requestId); |
493 browserPluginNode.addEventListener('-internal-trackedobjectgone', | 493 browserPluginNode.addEventListener('-internal-trackedobjectgone', |
494 onTrackedObjectGoneWithRequestId); | 494 onTrackedObjectGoneWithRequestId); |
495 browserPluginNode['-internal-trackObjectLifetime'](window, requestId); | 495 browserPluginNode['-internal-trackObjectLifetime'](window, requestId); |
496 | 496 |
497 var defaultPrevented = !node.dispatchEvent(evt); | 497 var defaultPrevented = !node.dispatchEvent(evt); |
498 if (!actionTaken && !defaultPrevented) { | 498 if (!actionTaken && !defaultPrevented) { |
499 actionTaken = true; | 499 actionTaken = true; |
500 // The default action is to discard the window. | 500 // The default action is to discard the window. |
501 browserPluginNode['-internal-setPermission'](requestId, false); | 501 browserPluginNode['-internal-setPermission'](requestId, false, ''); |
502 console.warn(WARNING_MSG_NEWWINDOW_BLOCKED); | 502 console.warn(WARNING_MSG_NEWWINDOW_BLOCKED); |
503 } | 503 } |
504 }); | 504 }); |
505 }; | 505 }; |
506 | 506 |
507 /** | 507 /** |
508 * @private | 508 * @private |
509 */ | 509 */ |
510 WebView.prototype.setupExecuteCodeAPI_ = function() { | 510 WebView.prototype.setupExecuteCodeAPI_ = function() { |
511 var ERROR_MSG_CANNOT_INJECT_SCRIPT = '<webview>: ' + | 511 var ERROR_MSG_CANNOT_INJECT_SCRIPT = '<webview>: ' + |
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560 | 560 |
561 var self = this; | 561 var self = this; |
562 var node = this.webviewNode_; | 562 var node = this.webviewNode_; |
563 var browserPluginNode = this.browserPluginNode_; | 563 var browserPluginNode = this.browserPluginNode_; |
564 var internalevent = '-internal-permissionrequest'; | 564 var internalevent = '-internal-permissionrequest'; |
565 | 565 |
566 var onTrackedObjectGone = function(requestId, e) { | 566 var onTrackedObjectGone = function(requestId, e) { |
567 var detail = e.detail ? JSON.parse(e.detail) : {}; | 567 var detail = e.detail ? JSON.parse(e.detail) : {}; |
568 if (detail.id != requestId) | 568 if (detail.id != requestId) |
569 return; | 569 return; |
570 browserPluginNode['-internal-setPermission'](requestId, false); | 570 browserPluginNode['-internal-setPermission'](requestId, false, ''); |
571 } | 571 } |
572 | 572 |
573 browserPluginNode.addEventListener(internalevent, function(e) { | 573 browserPluginNode.addEventListener(internalevent, function(e) { |
574 var evt = new Event('permissionrequest', {bubbles: true, cancelable: true}); | 574 var evt = new Event('permissionrequest', {bubbles: true, cancelable: true}); |
575 var detail = e.detail ? JSON.parse(e.detail) : {}; | 575 var detail = e.detail ? JSON.parse(e.detail) : {}; |
576 $Array.forEach(EXPOSED_PERMISSION_EVENT_ATTRIBS, function(attribName) { | 576 $Array.forEach(EXPOSED_PERMISSION_EVENT_ATTRIBS, function(attribName) { |
577 if (detail[attribName] !== undefined) | 577 if (detail[attribName] !== undefined) |
578 evt[attribName] = detail[attribName]; | 578 evt[attribName] = detail[attribName]; |
579 }); | 579 }); |
580 var requestId = detail.requestId; | 580 var requestId = detail.requestId; |
581 | 581 |
582 if (detail.requestId !== undefined && | 582 if (detail.requestId !== undefined && |
583 PERMISSION_TYPES.indexOf(detail.permission) >= 0) { | 583 PERMISSION_TYPES.indexOf(detail.permission) >= 0) { |
584 // TODO(lazyboy): Also fill in evt.details (see webview specs). | 584 // TODO(lazyboy): Also fill in evt.details (see webview specs). |
585 // http://crbug.com/141197. | 585 // http://crbug.com/141197. |
586 var decisionMade = false; | 586 var decisionMade = false; |
587 // Construct the event.request object. | 587 // Construct the event.request object. |
588 var request = { | 588 var request = { |
589 allow: function() { | 589 allow: function() { |
590 if (decisionMade) { | 590 if (decisionMade) { |
591 throw new Error(ERROR_MSG_PERMISSION_ALREADY_DECIDED); | 591 throw new Error(ERROR_MSG_PERMISSION_ALREADY_DECIDED); |
592 } else { | 592 } else { |
593 browserPluginNode['-internal-setPermission'](requestId, true); | 593 browserPluginNode['-internal-setPermission'](requestId, true, ''); |
594 decisionMade = true; | 594 decisionMade = true; |
595 } | 595 } |
596 }, | 596 }, |
597 deny: function() { | 597 deny: function() { |
598 if (decisionMade) { | 598 if (decisionMade) { |
599 throw new Error(ERROR_MSG_PERMISSION_ALREADY_DECIDED); | 599 throw new Error(ERROR_MSG_PERMISSION_ALREADY_DECIDED); |
600 } else { | 600 } else { |
601 browserPluginNode['-internal-setPermission'](requestId, false); | 601 browserPluginNode['-internal-setPermission'](requestId, false, ''); |
602 decisionMade = true; | 602 decisionMade = true; |
603 } | 603 } |
604 } | 604 } |
605 }; | 605 }; |
606 evt.request = request; | 606 evt.request = request; |
607 | 607 |
608 // Make browser plugin track lifetime of |request|. | 608 // Make browser plugin track lifetime of |request|. |
609 var onTrackedObjectGoneWithRequestId = | 609 var onTrackedObjectGoneWithRequestId = |
610 $Function.bind(onTrackedObjectGone, self, requestId); | 610 $Function.bind(onTrackedObjectGone, self, requestId); |
611 browserPluginNode.addEventListener('-internal-trackedobjectgone', | 611 browserPluginNode.addEventListener('-internal-trackedobjectgone', |
612 onTrackedObjectGoneWithRequestId); | 612 onTrackedObjectGoneWithRequestId); |
613 browserPluginNode['-internal-trackObjectLifetime'](request, requestId); | 613 browserPluginNode['-internal-trackObjectLifetime'](request, requestId); |
614 | 614 |
615 var defaultPrevented = !node.dispatchEvent(evt); | 615 var defaultPrevented = !node.dispatchEvent(evt); |
616 if (!decisionMade && !defaultPrevented) { | 616 if (!decisionMade && !defaultPrevented) { |
617 decisionMade = true; | 617 decisionMade = true; |
618 browserPluginNode['-internal-setPermission'](requestId, false); | 618 browserPluginNode['-internal-setPermission'](requestId, false, ''); |
619 } | 619 } |
620 } | 620 } |
621 }); | 621 }); |
622 }; | 622 }; |
623 | 623 |
624 /** | 624 /** |
625 * Implemented when the experimental API is available. | 625 * Implemented when the experimental API is available. |
626 * @private | 626 * @private |
627 */ | 627 */ |
628 WebView.prototype.maybeGetExperimentalPermissionTypes_ = function() { | 628 WebView.prototype.maybeGetExperimentalPermissionTypes_ = function() { |
629 return []; | 629 return []; |
630 }; | 630 }; |
631 | 631 |
632 /** | 632 /** |
633 * Implemented when the experimental API is available. | 633 * Implemented when the experimental API is available. |
634 * @private | 634 * @private |
635 */ | 635 */ |
636 WebView.prototype.maybeSetupExperimentalAPI_ = function() {}; | 636 WebView.prototype.maybeSetupExperimentalAPI_ = function() {}; |
637 | 637 |
638 exports.WebView = WebView; | 638 exports.WebView = WebView; |
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