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 3 // found in the LICENSE file. 4 5 cr.define('print_preview', function() { 6 'use strict'; 7 8 /** 9 * An interface to the native Chromium printing system layer. 10 * @constructor 11 * @extends {cr.EventTarget} 12 */ 13 function NativeLayer() { 14 cr.EventTarget.call(this); 15 16 // Bind global handlers 17 global['setInitialSettings'] = this.onSetInitialSettings_.bind(this); 18 global['setUseCloudPrint'] = this.onSetUseCloudPrint_.bind(this); 19 global['setPrinters'] = this.onSetPrinters_.bind(this); 20 global['updateWithPrinterCapabilities'] = 21 this.onUpdateWithPrinterCapabilities_.bind(this); 22 global['failedToGetPrinterCapabilities'] = 23 this.onFailedToGetPrinterCapabilities_.bind(this); 24 global['failedToGetPrivetPrinterCapabilities'] = 25 this.onFailedToGetPrivetPrinterCapabilities_.bind(this); 26 global['reloadPrintersList'] = this.onReloadPrintersList_.bind(this); 27 global['printToCloud'] = this.onPrintToCloud_.bind(this); 28 global['fileSelectionCancelled'] = 29 this.onFileSelectionCancelled_.bind(this); 30 global['fileSelectionCompleted'] = 31 this.onFileSelectionCompleted_.bind(this); 32 global['printPreviewFailed'] = this.onPrintPreviewFailed_.bind(this); 33 global['invalidPrinterSettings'] = 34 this.onInvalidPrinterSettings_.bind(this); 35 global['onDidGetDefaultPageLayout'] = 36 this.onDidGetDefaultPageLayout_.bind(this); 37 global['onDidGetPreviewPageCount'] = 38 this.onDidGetPreviewPageCount_.bind(this); 39 global['onDidPreviewPage'] = this.onDidPreviewPage_.bind(this); 40 global['updatePrintPreview'] = this.onUpdatePrintPreview_.bind(this); 41 global['printScalingDisabledForSourcePDF'] = 42 this.onPrintScalingDisabledForSourcePDF_.bind(this); 43 global['onDidGetAccessToken'] = this.onDidGetAccessToken_.bind(this); 44 global['autoCancelForTesting'] = this.autoCancelForTesting_.bind(this); 45 global['onPrivetPrinterChanged'] = this.onPrivetPrinterChanged_.bind(this); 46 global['onPrivetPrinterSearchDone'] = 47 this.onPrivetPrinterSearchDone_.bind(this); 48 global['onPrivetCapabilitiesSet'] = 49 this.onPrivetCapabilitiesSet_.bind(this); 50 global['onPrivetPrintFailed'] = this.onPrivetPrintFailed_.bind(this); 51 }; 52 53 /** 54 * Event types dispatched from the Chromium native layer. 55 * @enum {string} 56 * @const 57 */ 58 NativeLayer.EventType = { 59 ACCESS_TOKEN_READY: 'print_preview.NativeLayer.ACCESS_TOKEN_READY', 60 CAPABILITIES_SET: 'print_preview.NativeLayer.CAPABILITIES_SET', 61 CLOUD_PRINT_ENABLE: 'print_preview.NativeLayer.CLOUD_PRINT_ENABLE', 62 DESTINATIONS_RELOAD: 'print_preview.NativeLayer.DESTINATIONS_RELOAD', 63 DISABLE_SCALING: 'print_preview.NativeLayer.DISABLE_SCALING', 64 FILE_SELECTION_CANCEL: 'print_preview.NativeLayer.FILE_SELECTION_CANCEL', 65 FILE_SELECTION_COMPLETE: 66 'print_preview.NativeLayer.FILE_SELECTION_COMPLETE', 67 GET_CAPABILITIES_FAIL: 'print_preview.NativeLayer.GET_CAPABILITIES_FAIL', 68 INITIAL_SETTINGS_SET: 'print_preview.NativeLayer.INITIAL_SETTINGS_SET', 69 LOCAL_DESTINATIONS_SET: 'print_preview.NativeLayer.LOCAL_DESTINATIONS_SET', 70 PAGE_COUNT_READY: 'print_preview.NativeLayer.PAGE_COUNT_READY', 71 PAGE_LAYOUT_READY: 'print_preview.NativeLayer.PAGE_LAYOUT_READY', 72 PAGE_PREVIEW_READY: 'print_preview.NativeLayer.PAGE_PREVIEW_READY', 73 PREVIEW_GENERATION_DONE: 74 'print_preview.NativeLayer.PREVIEW_GENERATION_DONE', 75 PREVIEW_GENERATION_FAIL: 76 'print_preview.NativeLayer.PREVIEW_GENERATION_FAIL', 77 PRINT_TO_CLOUD: 'print_preview.NativeLayer.PRINT_TO_CLOUD', 78 SETTINGS_INVALID: 'print_preview.NativeLayer.SETTINGS_INVALID', 79 PRIVET_PRINTER_CHANGED: 'print_preview.NativeLayer.PRIVET_PRINTER_CHANGED', 80 PRIVET_PRINTER_SEARCH_DONE: 81 'print_preview.NativeLayer.PRIVET_PRINTER_SEARCH_DONE', 82 PRIVET_CAPABILITIES_SET: 83 'print_preview.NativeLayer.PRIVET_CAPABILITIES_SET', 84 PRIVET_PRINT_FAILED: 'print_preview.NativeLayer.PRIVET_PRINT_FAILED' 85 }; 86 87 /** 88 * Constant values matching printing::DuplexMode enum. 89 * @enum {number} 90 */ 91 NativeLayer.DuplexMode = { 92 SIMPLEX: 0, 93 LONG_EDGE: 1, 94 UNKNOWN_DUPLEX_MODE: -1 95 }; 96 97 /** 98 * Enumeration of color modes used by Chromium. 99 * @enum {number} 100 * @private 101 */ 102 NativeLayer.ColorMode_ = { 103 GRAY: 1, 104 COLOR: 2 105 }; 106 107 /** 108 * Version of the serialized state of the print preview. 109 * @type {number} 110 * @const 111 * @private 112 */ 113 NativeLayer.SERIALIZED_STATE_VERSION_ = 1; 114 115 NativeLayer.prototype = { 116 __proto__: cr.EventTarget.prototype, 117 118 /** 119 * Requests access token for cloud print requests. 120 * @param {string} authType type of access token. 121 */ 122 startGetAccessToken: function(authType) { 123 chrome.send('getAccessToken', [authType]); 124 }, 125 126 /** Gets the initial settings to initialize the print preview with. */ 127 startGetInitialSettings: function() { 128 chrome.send('getInitialSettings'); 129 }, 130 131 /** 132 * Requests the system's local print destinations. A LOCAL_DESTINATIONS_SET 133 * event will be dispatched in response. 134 */ 135 startGetLocalDestinations: function() { 136 chrome.send('getPrinters'); 137 }, 138 139 /** 140 * Requests the network's privet print destinations. A number of 141 * PRIVET_PRINTER_CHANGED events will be fired in response, followed by a 142 * PRIVET_SEARCH_ENDED. 143 */ 144 startGetPrivetDestinations: function() { 145 chrome.send('getPrivetPrinters'); 146 }, 147 148 /** 149 * Requests the privet destination's printing capabilities. A 150 * PRIVET_CAPABILITIES_SET event will be dispatched in response. 151 * @param {string} destinationId ID of the destination. 152 */ 153 startGetPrivetDestinationCapabilities: function(destinationId) { 154 chrome.send('getPrivetPrinterCapabilities', [destinationId]); 155 }, 156 157 /** 158 * Requests the destination's printing capabilities. A CAPABILITIES_SET 159 * event will be dispatched in response. 160 * @param {string} destinationId ID of the destination. 161 */ 162 startGetLocalDestinationCapabilities: function(destinationId) { 163 chrome.send('getPrinterCapabilities', [destinationId]); 164 }, 165 166 /** 167 * Requests that a preview be generated. The following events may be 168 * dispatched in response: 169 * - PAGE_COUNT_READY 170 * - PAGE_LAYOUT_READY 171 * - PAGE_PREVIEW_READY 172 * - PREVIEW_GENERATION_DONE 173 * - PREVIEW_GENERATION_FAIL 174 * @param {print_preview.Destination} destination Destination to print to. 175 * @param {!print_preview.PrintTicketStore} printTicketStore Used to get the 176 * state of the print ticket. 177 * @param {!print_preview.DocumentInfo} documentInfo Document data model. 178 * @param {number} ID of the preview request. 179 */ 180 startGetPreview: function( 181 destination, printTicketStore, documentInfo, requestId) { 182 assert(printTicketStore.isTicketValidForPreview(), 183 'Trying to generate preview when ticket is not valid'); 184 185 var ticket = { 186 'pageRange': printTicketStore.pageRange.getDocumentPageRanges(), 187 'landscape': printTicketStore.landscape.getValue(), 188 'color': printTicketStore.color.getValue() ? 189 NativeLayer.ColorMode_.COLOR : NativeLayer.ColorMode_.GRAY, 190 'headerFooterEnabled': printTicketStore.headerFooter.getValue(), 191 'marginsType': printTicketStore.marginsType.getValue(), 192 'isFirstRequest': requestId == 0, 193 'requestID': requestId, 194 'previewModifiable': documentInfo.isModifiable, 195 'printToPDF': 196 destination != null && 197 destination.id == 198 print_preview.Destination.GooglePromotedId.SAVE_AS_PDF, 199 'printWithCloudPrint': destination != null && !destination.isLocal, 200 'printWithPrivet': destination != null && destination.isPrivet, 201 'deviceName': destination == null ? 'foo' : destination.id, 202 'generateDraftData': documentInfo.isModifiable, 203 'fitToPageEnabled': printTicketStore.fitToPage.getValue(), 204 205 // NOTE: Even though the following fields don't directly relate to the 206 // preview, they still need to be included. 207 'duplex': printTicketStore.duplex.getValue() ? 208 NativeLayer.DuplexMode.LONG_EDGE : NativeLayer.DuplexMode.SIMPLEX, 209 'copies': printTicketStore.copies.getValueAsNumber(), 210 'collate': printTicketStore.collate.getValue(), 211 'shouldPrintBackgrounds': printTicketStore.cssBackground.getValue(), 212 'shouldPrintSelectionOnly': printTicketStore.selectionOnly.getValue() 213 }; 214 215 // Set 'cloudPrintID' only if the destination is not local. 216 if (destination && !destination.isLocal) { 217 ticket['cloudPrintID'] = destination.id; 218 } 219 220 if (printTicketStore.marginsType.isCapabilityAvailable() && 221 printTicketStore.marginsType.getValue() == 222 print_preview.ticket_items.MarginsType.Value.CUSTOM) { 223 var customMargins = printTicketStore.customMargins.getValue(); 224 var orientationEnum = 225 print_preview.ticket_items.CustomMargins.Orientation; 226 ticket['marginsCustom'] = { 227 'marginTop': customMargins.get(orientationEnum.TOP), 228 'marginRight': customMargins.get(orientationEnum.RIGHT), 229 'marginBottom': customMargins.get(orientationEnum.BOTTOM), 230 'marginLeft': customMargins.get(orientationEnum.LEFT) 231 }; 232 } 233 234 chrome.send( 235 'getPreview', 236 [JSON.stringify(ticket), 237 requestId > 0 ? documentInfo.pageCount : -1, 238 documentInfo.isModifiable]); 239 }, 240 241 /** 242 * Requests that the document be printed. 243 * @param {!print_preview.Destination} destination Destination to print to. 244 * @param {!print_preview.PrintTicketStore} printTicketStore Used to get the 245 * state of the print ticket. 246 * @param {print_preview.CloudPrintInterface} cloudPrintInterface Interface 247 * to Google Cloud Print. 248 * @param {!print_preview.DocumentInfo} documentInfo Document data model. 249 * @param {boolean=} opt_isOpenPdfInPreview Whether to open the PDF in the 250 * system's preview application. 251 */ 252 startPrint: function(destination, printTicketStore, cloudPrintInterface, 253 documentInfo, opt_isOpenPdfInPreview) { 254 assert(printTicketStore.isTicketValid(), 255 'Trying to print when ticket is not valid'); 256 257 var ticket = { 258 'pageRange': printTicketStore.pageRange.getDocumentPageRanges(), 259 'pageCount': printTicketStore.pageRange.getPageNumberSet().size, 260 'landscape': printTicketStore.landscape.getValue(), 261 'color': printTicketStore.color.getValue() ? 262 NativeLayer.ColorMode_.COLOR : NativeLayer.ColorMode_.GRAY, 263 'headerFooterEnabled': printTicketStore.headerFooter.getValue(), 264 'marginsType': printTicketStore.marginsType.getValue(), 265 'generateDraftData': true, // TODO(rltoscano): What should this be? 266 'duplex': printTicketStore.duplex.getValue() ? 267 NativeLayer.DuplexMode.LONG_EDGE : NativeLayer.DuplexMode.SIMPLEX, 268 'copies': printTicketStore.copies.getValueAsNumber(), 269 'collate': printTicketStore.collate.getValue(), 270 'shouldPrintBackgrounds': printTicketStore.cssBackground.getValue(), 271 'shouldPrintSelectionOnly': printTicketStore.selectionOnly.getValue(), 272 'previewModifiable': documentInfo.isModifiable, 273 'printToPDF': destination.id == 274 print_preview.Destination.GooglePromotedId.SAVE_AS_PDF, 275 'printWithCloudPrint': !destination.isLocal, 276 'printWithPrivet': destination.isPrivet, 277 'deviceName': destination.id, 278 'isFirstRequest': false, 279 'requestID': -1, 280 'fitToPageEnabled': printTicketStore.fitToPage.getValue(), 281 'pageWidth': documentInfo.pageSize.width, 282 'pageHeight': documentInfo.pageSize.height, 283 }; 284 285 if (!destination.isLocal) { 286 // We can't set cloudPrintID if the destination is "Print with Cloud 287 // Print" because the native system will try to print to Google Cloud 288 // Print with this ID instead of opening a Google Cloud Print dialog. 289 ticket['cloudPrintID'] = destination.id; 290 } 291 292 if (printTicketStore.marginsType.isCapabilityAvailable() && 293 printTicketStore.marginsType.isValueEqual( 294 print_preview.ticket_items.MarginsType.Value.CUSTOM)) { 295 var customMargins = printTicketStore.customMargins.getValue(); 296 var orientationEnum = 297 print_preview.ticket_items.CustomMargins.Orientation; 298 ticket['marginsCustom'] = { 299 'marginTop': customMargins.get(orientationEnum.TOP), 300 'marginRight': customMargins.get(orientationEnum.RIGHT), 301 'marginBottom': customMargins.get(orientationEnum.BOTTOM), 302 'marginLeft': customMargins.get(orientationEnum.LEFT) 303 }; 304 } 305 306 if (destination.isPrivet) { 307 ticket['ticket'] = printTicketStore.createPrintTicket(destination); 308 } 309 310 if (opt_isOpenPdfInPreview) { 311 ticket['OpenPDFInPreview'] = true; 312 } 313 314 chrome.send('print', [JSON.stringify(ticket)]); 315 }, 316 317 /** Requests that the current pending print request be cancelled. */ 318 startCancelPendingPrint: function() { 319 chrome.send('cancelPendingPrintRequest'); 320 }, 321 322 /** Shows the system's native printing dialog. */ 323 startShowSystemDialog: function() { 324 chrome.send('showSystemDialog'); 325 }, 326 327 /** Shows Google Cloud Print's web-based print dialog. 328 * @param {number} pageCount Number of pages to print. 329 */ 330 startShowCloudPrintDialog: function(pageCount) { 331 chrome.send('printWithCloudPrintDialog', [pageCount]); 332 }, 333 334 /** Closes the print preview dialog. */ 335 startCloseDialog: function() { 336 chrome.send('closePrintPreviewDialog'); 337 chrome.send('DialogClose'); 338 }, 339 340 /** Hide the print preview dialog and allow the native layer to close it. */ 341 startHideDialog: function() { 342 chrome.send('hidePreview'); 343 }, 344 345 /** 346 * Opens the Google Cloud Print sign-in dialog. The DESTINATIONS_RELOAD 347 * event will be dispatched in response. 348 */ 349 startCloudPrintSignIn: function() { 350 chrome.send('signIn'); 351 }, 352 353 /** Navigates the user to the system printer settings interface. */ 354 startManageLocalDestinations: function() { 355 chrome.send('manageLocalPrinters'); 356 }, 357 358 /** Navigates the user to the Google Cloud Print management page. */ 359 startManageCloudDestinations: function() { 360 chrome.send('manageCloudPrinters'); 361 }, 362 363 /** Forces browser to open a new tab with the given URL address. */ 364 startForceOpenNewTab: function(url) { 365 chrome.send('forceOpenNewTab', [url]); 366 }, 367 368 /** 369 * @param {!Object} initialSettings Object containing all initial settings. 370 */ 371 onSetInitialSettings_: function(initialSettings) { 372 var numberFormatSymbols = 373 print_preview.MeasurementSystem.parseNumberFormat( 374 initialSettings['numberFormat']); 375 var unitType = print_preview.MeasurementSystem.UnitType.IMPERIAL; 376 if (initialSettings['measurementSystem'] != null) { 377 unitType = initialSettings['measurementSystem']; 378 } 379 380 var nativeInitialSettings = new print_preview.NativeInitialSettings( 381 initialSettings['printAutomaticallyInKioskMode'] || false, 382 initialSettings['hidePrintWithSystemDialogLink'] || false, 383 numberFormatSymbols[0] || ',', 384 numberFormatSymbols[1] || '.', 385 unitType, 386 initialSettings['previewModifiable'] || false, 387 initialSettings['initiatorTitle'] || '', 388 initialSettings['documentHasSelection'] || false, 389 initialSettings['shouldPrintSelectionOnly'] || false, 390 initialSettings['printerName'] || null, 391 initialSettings['appState'] || null); 392 393 var initialSettingsSetEvent = new Event( 394 NativeLayer.EventType.INITIAL_SETTINGS_SET); 395 initialSettingsSetEvent.initialSettings = nativeInitialSettings; 396 this.dispatchEvent(initialSettingsSetEvent); 397 }, 398 399 /** 400 * Turn on the integration of Cloud Print. 401 * @param {string} cloudPrintURL The URL to use for cloud print servers. 402 * @private 403 */ 404 onSetUseCloudPrint_: function(cloudPrintURL) { 405 var cloudPrintEnableEvent = new Event( 406 NativeLayer.EventType.CLOUD_PRINT_ENABLE); 407 cloudPrintEnableEvent.baseCloudPrintUrl = cloudPrintURL; 408 this.dispatchEvent(cloudPrintEnableEvent); 409 }, 410 411 /** 412 * Updates the print preview with local printers. 413 * Called from PrintPreviewHandler::SetupPrinterList(). 414 * @param {Array} printers Array of printer info objects. 415 * @private 416 */ 417 onSetPrinters_: function(printers) { 418 var localDestsSetEvent = new Event( 419 NativeLayer.EventType.LOCAL_DESTINATIONS_SET); 420 localDestsSetEvent.destinationInfos = printers; 421 this.dispatchEvent(localDestsSetEvent); 422 }, 423 424 /** 425 * Called when native layer gets settings information for a requested local 426 * destination. 427 * @param {Object} settingsInfo printer setting information. 428 * @private 429 */ 430 onUpdateWithPrinterCapabilities_: function(settingsInfo) { 431 var capsSetEvent = new Event(NativeLayer.EventType.CAPABILITIES_SET); 432 capsSetEvent.settingsInfo = settingsInfo; 433 this.dispatchEvent(capsSetEvent); 434 }, 435 436 /** 437 * Called when native layer gets settings information for a requested local 438 * destination. 439 * @param {string} printerId printer affected by error. 440 * @private 441 */ 442 onFailedToGetPrinterCapabilities_: function(destinationId) { 443 var getCapsFailEvent = new Event( 444 NativeLayer.EventType.GET_CAPABILITIES_FAIL); 445 getCapsFailEvent.destinationId = destinationId; 446 getCapsFailEvent.destinationOrigin = 447 print_preview.Destination.Origin.LOCAL; 448 this.dispatchEvent(getCapsFailEvent); 449 }, 450 451 /** 452 * Called when native layer gets settings information for a requested privet 453 * destination. 454 * @param {string} printerId printer affected by error. 455 * @private 456 */ 457 onFailedToGetPrivetPrinterCapabilities_: function(destinationId) { 458 var getCapsFailEvent = new Event( 459 NativeLayer.EventType.GET_CAPABILITIES_FAIL); 460 getCapsFailEvent.destinationId = destinationId; 461 getCapsFailEvent.destinationOrigin = 462 print_preview.Destination.Origin.PRIVET; 463 this.dispatchEvent(getCapsFailEvent); 464 }, 465 466 /** Reloads the printer list. */ 467 onReloadPrintersList_: function() { 468 cr.dispatchSimpleEvent(this, NativeLayer.EventType.DESTINATIONS_RELOAD); 469 }, 470 471 /** 472 * Called from the C++ layer. 473 * Take the PDF data handed to us and submit it to the cloud, closing the 474 * print preview dialog once the upload is successful. 475 * @param {string} data Data to send as the print job. 476 * @private 477 */ 478 onPrintToCloud_: function(data) { 479 var printToCloudEvent = new Event( 480 NativeLayer.EventType.PRINT_TO_CLOUD); 481 printToCloudEvent.data = data; 482 this.dispatchEvent(printToCloudEvent); 483 }, 484 485 /** 486 * Called from PrintPreviewUI::OnFileSelectionCancelled to notify the print 487 * preview dialog regarding the file selection cancel event. 488 * @private 489 */ 490 onFileSelectionCancelled_: function() { 491 cr.dispatchSimpleEvent(this, NativeLayer.EventType.FILE_SELECTION_CANCEL); 492 }, 493 494 /** 495 * Called from PrintPreviewUI::OnFileSelectionCompleted to notify the print 496 * preview dialog regarding the file selection completed event. 497 * @private 498 */ 499 onFileSelectionCompleted_: function() { 500 // If the file selection is completed and the dialog is not already closed 501 // it means that a pending print to pdf request exists. 502 cr.dispatchSimpleEvent( 503 this, NativeLayer.EventType.FILE_SELECTION_COMPLETE); 504 }, 505 506 /** 507 * Display an error message when print preview fails. 508 * Called from PrintPreviewMessageHandler::OnPrintPreviewFailed(). 509 * @private 510 */ 511 onPrintPreviewFailed_: function() { 512 cr.dispatchSimpleEvent( 513 this, NativeLayer.EventType.PREVIEW_GENERATION_FAIL); 514 }, 515 516 /** 517 * Display an error message when encountered invalid printer settings. 518 * Called from PrintPreviewMessageHandler::OnInvalidPrinterSettings(). 519 * @private 520 */ 521 onInvalidPrinterSettings_: function() { 522 cr.dispatchSimpleEvent(this, NativeLayer.EventType.SETTINGS_INVALID); 523 }, 524 525 /** 526 * @param {{contentWidth: number, contentHeight: number, marginLeft: number, 527 * marginRight: number, marginTop: number, marginBottom: number, 528 * printableAreaX: number, printableAreaY: number, 529 * printableAreaWidth: number, printableAreaHeight: number}} 530 * pageLayout Specifies default page layout details in points. 531 * @param {boolean} hasCustomPageSizeStyle Indicates whether the previewed 532 * document has a custom page size style. 533 * @private 534 */ 535 onDidGetDefaultPageLayout_: function(pageLayout, hasCustomPageSizeStyle) { 536 var pageLayoutChangeEvent = new Event( 537 NativeLayer.EventType.PAGE_LAYOUT_READY); 538 pageLayoutChangeEvent.pageLayout = pageLayout; 539 pageLayoutChangeEvent.hasCustomPageSizeStyle = hasCustomPageSizeStyle; 540 this.dispatchEvent(pageLayoutChangeEvent); 541 }, 542 543 /** 544 * Update the page count and check the page range. 545 * Called from PrintPreviewUI::OnDidGetPreviewPageCount(). 546 * @param {number} pageCount The number of pages. 547 * @param {number} previewResponseId The preview request id that resulted in 548 * this response. 549 * @private 550 */ 551 onDidGetPreviewPageCount_: function(pageCount, previewResponseId) { 552 var pageCountChangeEvent = new Event( 553 NativeLayer.EventType.PAGE_COUNT_READY); 554 pageCountChangeEvent.pageCount = pageCount; 555 pageCountChangeEvent.previewResponseId = previewResponseId; 556 this.dispatchEvent(pageCountChangeEvent); 557 }, 558 559 /** 560 * Notification that a print preview page has been rendered. 561 * Check if the settings have changed and request a regeneration if needed. 562 * Called from PrintPreviewUI::OnDidPreviewPage(). 563 * @param {number} pageNumber The page number, 0-based. 564 * @param {number} previewUid Preview unique identifier. 565 * @param {number} previewResponseId The preview request id that resulted in 566 * this response. 567 * @private 568 */ 569 onDidPreviewPage_: function(pageNumber, previewUid, previewResponseId) { 570 var pagePreviewGenEvent = new Event( 571 NativeLayer.EventType.PAGE_PREVIEW_READY); 572 pagePreviewGenEvent.pageIndex = pageNumber; 573 pagePreviewGenEvent.previewUid = previewUid; 574 pagePreviewGenEvent.previewResponseId = previewResponseId; 575 this.dispatchEvent(pagePreviewGenEvent); 576 }, 577 578 /** 579 * Notification that access token is ready. 580 * @param {string} authType Type of access token. 581 * @param {string} accessToken Access token. 582 * @private 583 */ 584 onDidGetAccessToken_: function(authType, accessToken) { 585 var getAccessTokenEvent = new Event( 586 NativeLayer.EventType.ACCESS_TOKEN_READY); 587 getAccessTokenEvent.authType = authType; 588 getAccessTokenEvent.accessToken = accessToken; 589 this.dispatchEvent(getAccessTokenEvent); 590 }, 591 592 /** 593 * Update the print preview when new preview data is available. 594 * Create the PDF plugin as needed. 595 * Called from PrintPreviewUI::PreviewDataIsAvailable(). 596 * @param {number} previewUid Preview unique identifier. 597 * @param {number} previewResponseId The preview request id that resulted in 598 * this response. 599 * @private 600 */ 601 onUpdatePrintPreview_: function(previewUid, previewResponseId) { 602 var previewGenDoneEvent = new Event( 603 NativeLayer.EventType.PREVIEW_GENERATION_DONE); 604 previewGenDoneEvent.previewUid = previewUid; 605 previewGenDoneEvent.previewResponseId = previewResponseId; 606 this.dispatchEvent(previewGenDoneEvent); 607 }, 608 609 /** 610 * Updates the fit to page option state based on the print scaling option of 611 * source pdf. PDF's have an option to enable/disable print scaling. When we 612 * find out that the print scaling option is disabled for the source pdf, we 613 * uncheck the fitToPage_ to page checkbox. This function is called from C++ 614 * code. 615 * @private 616 */ 617 onPrintScalingDisabledForSourcePDF_: function() { 618 cr.dispatchSimpleEvent(this, NativeLayer.EventType.DISABLE_SCALING); 619 }, 620 621 /** 622 * Simulates a user click on the print preview dialog cancel button. Used 623 * only for testing. 624 * @private 625 */ 626 autoCancelForTesting_: function() { 627 var properties = {view: window, bubbles: true, cancelable: true}; 628 var click = new MouseEvent('click', properties); 629 document.querySelector('#print-header .cancel').dispatchEvent(click); 630 }, 631 632 /** 633 * @param {{serviceName: string, name: string}} printer Specifies 634 * information about the printer that was added. 635 * @private 636 */ 637 onPrivetPrinterChanged_: function(printer) { 638 var privetPrinterChangedEvent = 639 new Event(NativeLayer.EventType.PRIVET_PRINTER_CHANGED); 640 privetPrinterChangedEvent.printer = printer; 641 this.dispatchEvent(privetPrinterChangedEvent); 642 }, 643 644 /** 645 * Called when the privet printer search is over. 646 * @private 647 */ 648 onPrivetPrinterSearchDone_: function() { 649 var privetPrinterSearchDoneEvent = 650 new Event(NativeLayer.EventType.PRIVET_PRINTER_SEARCH_DONE); 651 this.dispatchEvent(privetPrinterSearchDoneEvent); 652 }, 653 654 /** 655 * @param {Object} printer Specifies information about the printer that was 656 * added. 657 * @private 658 */ 659 onPrivetCapabilitiesSet_: function(printer, capabilities) { 660 var privetCapabilitiesSetEvent = 661 new Event(NativeLayer.EventType.PRIVET_CAPABILITIES_SET); 662 privetCapabilitiesSetEvent.printer = printer; 663 privetCapabilitiesSetEvent.capabilities = capabilities; 664 this.dispatchEvent(privetCapabilitiesSetEvent); 665 }, 666 667 /** 668 * @param {string} http_error The HTTP response code or -1 if not an HTTP 669 * error. 670 * @private 671 */ 672 onPrivetPrintFailed_: function(http_error) { 673 var privetPrintFailedEvent = 674 new Event(NativeLayer.EventType.PRIVET_PRINT_FAILED); 675 privetPrintFailedEvent.httpError = http_error; 676 this.dispatchEvent(privetPrintFailedEvent); 677 } 678 }; 679 680 /** 681 * Initial settings retrieved from the native layer. 682 * @param {boolean} isInKioskAutoPrintMode Whether the print preview should be 683 * in auto-print mode. 684 * @param {string} thousandsDelimeter Character delimeter of thousands digits. 685 * @param {string} decimalDelimeter Character delimeter of the decimal point. 686 * @param {!print_preview.MeasurementSystem.UnitType} unitType Unit type of 687 * local machine's measurement system. 688 * @param {boolean} isDocumentModifiable Whether the document to print is 689 * modifiable. 690 * @param {string} documentTitle Title of the document. 691 * @param {boolean} documentHasSelection Whether the document has selected 692 * content. 693 * @param {boolean} selectionOnly Whether only selected content should be 694 * printed. 695 * @param {?string} systemDefaultDestinationId ID of the system default 696 * destination. 697 * @param {?string} serializedAppStateStr Serialized app state. 698 * @constructor 699 */ 700 function NativeInitialSettings( 701 isInKioskAutoPrintMode, 702 hidePrintWithSystemDialogLink, 703 thousandsDelimeter, 704 decimalDelimeter, 705 unitType, 706 isDocumentModifiable, 707 documentTitle, 708 documentHasSelection, 709 selectionOnly, 710 systemDefaultDestinationId, 711 serializedAppStateStr) { 712 713 /** 714 * Whether the print preview should be in auto-print mode. 715 * @type {boolean} 716 * @private 717 */ 718 this.isInKioskAutoPrintMode_ = isInKioskAutoPrintMode; 719 720 /** 721 * Whether we should hide the link which shows the system print dialog. 722 * @type {boolean} 723 * @private 724 */ 725 this.hidePrintWithSystemDialogLink_ = hidePrintWithSystemDialogLink; 726 727 /** 728 * Character delimeter of thousands digits. 729 * @type {string} 730 * @private 731 */ 732 this.thousandsDelimeter_ = thousandsDelimeter; 733 734 /** 735 * Character delimeter of the decimal point. 736 * @type {string} 737 * @private 738 */ 739 this.decimalDelimeter_ = decimalDelimeter; 740 741 /** 742 * Unit type of local machine's measurement system. 743 * @type {string} 744 * @private 745 */ 746 this.unitType_ = unitType; 747 748 /** 749 * Whether the document to print is modifiable. 750 * @type {boolean} 751 * @private 752 */ 753 this.isDocumentModifiable_ = isDocumentModifiable; 754 755 /** 756 * Title of the document. 757 * @type {string} 758 * @private 759 */ 760 this.documentTitle_ = documentTitle; 761 762 /** 763 * Whether the document has selection. 764 * @type {string} 765 * @private 766 */ 767 this.documentHasSelection_ = documentHasSelection; 768 769 /** 770 * Whether selection only should be printed. 771 * @type {string} 772 * @private 773 */ 774 this.selectionOnly_ = selectionOnly; 775 776 /** 777 * ID of the system default destination. 778 * @type {?string} 779 * @private 780 */ 781 this.systemDefaultDestinationId_ = systemDefaultDestinationId; 782 783 /** 784 * Serialized app state. 785 * @type {?string} 786 * @private 787 */ 788 this.serializedAppStateStr_ = serializedAppStateStr; 789 }; 790 791 NativeInitialSettings.prototype = { 792 /** 793 * @return {boolean} Whether the print preview should be in auto-print mode. 794 */ 795 get isInKioskAutoPrintMode() { 796 return this.isInKioskAutoPrintMode_; 797 }, 798 799 /** 800 * @return {boolean} Whether we should hide the link which shows the 801 system print dialog. 802 */ 803 get hidePrintWithSystemDialogLink() { 804 return this.hidePrintWithSystemDialogLink_; 805 }, 806 807 /** @return {string} Character delimeter of thousands digits. */ 808 get thousandsDelimeter() { 809 return this.thousandsDelimeter_; 810 }, 811 812 /** @return {string} Character delimeter of the decimal point. */ 813 get decimalDelimeter() { 814 return this.decimalDelimeter_; 815 }, 816 817 /** 818 * @return {!print_preview.MeasurementSystem.UnitType} Unit type of local 819 * machine's measurement system. 820 */ 821 get unitType() { 822 return this.unitType_; 823 }, 824 825 /** @return {boolean} Whether the document to print is modifiable. */ 826 get isDocumentModifiable() { 827 return this.isDocumentModifiable_; 828 }, 829 830 /** @return {string} Document title. */ 831 get documentTitle() { 832 return this.documentTitle_; 833 }, 834 835 /** @return {bool} Whether the document has selection. */ 836 get documentHasSelection() { 837 return this.documentHasSelection_; 838 }, 839 840 /** @return {bool} Whether selection only should be printed. */ 841 get selectionOnly() { 842 return this.selectionOnly_; 843 }, 844 845 /** @return {?string} ID of the system default destination. */ 846 get systemDefaultDestinationId() { 847 return this.systemDefaultDestinationId_; 848 }, 849 850 /** @return {?string} Serialized app state. */ 851 get serializedAppStateStr() { 852 return this.serializedAppStateStr_; 853 } 854 }; 855 856 // Export 857 return { 858 NativeInitialSettings: NativeInitialSettings, 859 NativeLayer: NativeLayer 860 }; 861 }); 862
