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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 #include "chrome/browser/ui/webui/downloads_dom_handler.h" | 5 #include "chrome/browser/ui/webui/downloads_dom_handler.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 #include <functional> | 8 #include <functional> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
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355 } | 355 } |
356 | 356 |
357 // Add ourself to all download items as an observer. | 357 // Add ourself to all download items as an observer. |
358 for (OrderedDownloads::iterator it = download_items_.begin(); | 358 for (OrderedDownloads::iterator it = download_items_.begin(); |
359 it != download_items_.end(); ++it) { | 359 it != download_items_.end(); ++it) { |
360 if (static_cast<int>(it - download_items_.begin()) > kMaxDownloads) | 360 if (static_cast<int>(it - download_items_.begin()) > kMaxDownloads) |
361 break; | 361 break; |
362 | 362 |
363 // We should never see anything that isn't already in the history. | 363 // We should never see anything that isn't already in the history. |
364 DCHECK(*it); | 364 DCHECK(*it); |
365 DCHECK((*it)->IsPersisted()); | |
366 | 365 |
367 (*it)->AddObserver(this); | 366 (*it)->AddObserver(this); |
368 } | 367 } |
369 | 368 |
370 SendCurrentDownloads(); | 369 SendCurrentDownloads(); |
371 } | 370 } |
372 | 371 |
373 void DownloadsDOMHandler::ManagerGoingDown(content::DownloadManager* manager) { | 372 void DownloadsDOMHandler::ManagerGoingDown(content::DownloadManager* manager) { |
374 // This should never happen. The lifetime of the DownloadsDOMHandler | 373 // This should never happen. The lifetime of the DownloadsDOMHandler |
375 // is tied to the tab in which downloads.html is displayed, which cannot | 374 // is tied to the tab in which downloads.html is displayed, which cannot |
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443 CountDownloadsDOMEvents(DOWNLOADS_DOM_EVENT_PAUSE); | 442 CountDownloadsDOMEvents(DOWNLOADS_DOM_EVENT_PAUSE); |
444 content::DownloadItem* file = GetDownloadByValue(args); | 443 content::DownloadItem* file = GetDownloadByValue(args); |
445 if (file) | 444 if (file) |
446 file->TogglePause(); | 445 file->TogglePause(); |
447 } | 446 } |
448 | 447 |
449 void DownloadsDOMHandler::HandleRemove(const ListValue* args) { | 448 void DownloadsDOMHandler::HandleRemove(const ListValue* args) { |
450 CountDownloadsDOMEvents(DOWNLOADS_DOM_EVENT_REMOVE); | 449 CountDownloadsDOMEvents(DOWNLOADS_DOM_EVENT_REMOVE); |
451 content::DownloadItem* file = GetDownloadByValue(args); | 450 content::DownloadItem* file = GetDownloadByValue(args); |
452 if (file) { | 451 if (file) { |
453 DCHECK(file->IsPersisted()); | |
454 file->Remove(); | 452 file->Remove(); |
455 } | 453 } |
456 } | 454 } |
457 | 455 |
458 void DownloadsDOMHandler::HandleCancel(const ListValue* args) { | 456 void DownloadsDOMHandler::HandleCancel(const ListValue* args) { |
459 CountDownloadsDOMEvents(DOWNLOADS_DOM_EVENT_CANCEL); | 457 CountDownloadsDOMEvents(DOWNLOADS_DOM_EVENT_CANCEL); |
460 content::DownloadItem* file = GetDownloadByValue(args); | 458 content::DownloadItem* file = GetDownloadByValue(args); |
461 if (file) | 459 if (file) |
462 file->Cancel(true); | 460 file->Cancel(true); |
463 } | 461 } |
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541 } | 539 } |
542 | 540 |
543 content::DownloadItem* DownloadsDOMHandler::GetDownloadByValue( | 541 content::DownloadItem* DownloadsDOMHandler::GetDownloadByValue( |
544 const ListValue* args) { | 542 const ListValue* args) { |
545 int id; | 543 int id; |
546 if (ExtractIntegerValue(args, &id)) { | 544 if (ExtractIntegerValue(args, &id)) { |
547 return GetDownloadById(id); | 545 return GetDownloadById(id); |
548 } | 546 } |
549 return NULL; | 547 return NULL; |
550 } | 548 } |
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