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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 // This is the browser side of the resource dispatcher, it receives requests | 5 // This is the browser side of the resource dispatcher, it receives requests |
6 // from the child process (i.e. [Renderer, Plugin, Worker]ProcessHost), and | 6 // from the child process (i.e. [Renderer, Plugin, Worker]ProcessHost), and |
7 // dispatches them to URLRequests. It then forwards the messages from the | 7 // dispatches them to URLRequests. It then forwards the messages from the |
8 // URLRequests back to the correct process for handling. | 8 // URLRequests back to the correct process for handling. |
9 // | 9 // |
10 // See http://dev.chromium.org/developers/design-documents/multi-process-resourc
e-loading | 10 // See http://dev.chromium.org/developers/design-documents/multi-process-resourc
e-loading |
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495 | 495 |
496 // Collection of temp files downloaded for child processes via | 496 // Collection of temp files downloaded for child processes via |
497 // the download_to_file mechanism. We avoid deleting them until | 497 // the download_to_file mechanism. We avoid deleting them until |
498 // the client no longer needs them. | 498 // the client no longer needs them. |
499 typedef std::map<int, scoped_refptr<storage::ShareableFileReference> > | 499 typedef std::map<int, scoped_refptr<storage::ShareableFileReference> > |
500 DeletableFilesMap; // key is request id | 500 DeletableFilesMap; // key is request id |
501 typedef std::map<int, DeletableFilesMap> | 501 typedef std::map<int, DeletableFilesMap> |
502 RegisteredTempFiles; // key is child process id | 502 RegisteredTempFiles; // key is child process id |
503 RegisteredTempFiles registered_temp_files_; | 503 RegisteredTempFiles registered_temp_files_; |
504 | 504 |
505 // A timer that periodically calls UpdateLoadStates while pending_requests_ | 505 // A timer that periodically calls UpdateLoadInfo while pending_loaders_ is |
506 // is not empty. | 506 // not empty and at least one RenderViewHost is loading. |
507 scoped_ptr<base::RepeatingTimer<ResourceDispatcherHostImpl> > | 507 scoped_ptr<base::RepeatingTimer<ResourceDispatcherHostImpl> > |
508 update_load_states_timer_; | 508 update_load_states_timer_; |
509 | 509 |
510 // We own the save file manager. | 510 // We own the save file manager. |
511 scoped_refptr<SaveFileManager> save_file_manager_; | 511 scoped_refptr<SaveFileManager> save_file_manager_; |
512 | 512 |
513 // Request ID for browser initiated requests. request_ids generated by | 513 // Request ID for browser initiated requests. request_ids generated by |
514 // child processes are counted up from 0, while browser created requests | 514 // child processes are counted up from 0, while browser created requests |
515 // start at -2 and go down from there. (We need to start at -2 because -1 is | 515 // start at -2 and go down from there. (We need to start at -2 because -1 is |
516 // used as a special value all over the resource_dispatcher_host for | 516 // used as a special value all over the resource_dispatcher_host for |
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578 DelegateMap delegate_map_; | 578 DelegateMap delegate_map_; |
579 | 579 |
580 scoped_ptr<ResourceScheduler> scheduler_; | 580 scoped_ptr<ResourceScheduler> scheduler_; |
581 | 581 |
582 DISALLOW_COPY_AND_ASSIGN(ResourceDispatcherHostImpl); | 582 DISALLOW_COPY_AND_ASSIGN(ResourceDispatcherHostImpl); |
583 }; | 583 }; |
584 | 584 |
585 } // namespace content | 585 } // namespace content |
586 | 586 |
587 #endif // CONTENT_BROWSER_LOADER_RESOURCE_DISPATCHER_HOST_IMPL_H_ | 587 #endif // CONTENT_BROWSER_LOADER_RESOURCE_DISPATCHER_HOST_IMPL_H_ |
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