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Side by Side Diff: content/browser/loader/resource_dispatcher_host_impl.h

Issue 1117923004: Run load state update timer only when needed (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@cpu
Patch Set: Fixes for mmenke Created 5 years, 7 months ago
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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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