Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 1 | // Copyright 2013 The Chromium Authors. All rights reserved. |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 5 | #include "content/browser/dom_storage/dom_storage_task_runner.h" |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 6 | |
| 7 | #include "base/bind.h" |
| 8 | #include "base/bind_helpers.h" |
| 9 | #include "base/message_loop/message_loop_proxy.h" |
| 10 | #include "base/tracked_objects.h" |
| 11 | |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 12 | namespace content { |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 13 | |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 14 | // DOMStorageTaskRunner |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 15 | |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 16 | bool DOMStorageTaskRunner::RunsTasksOnCurrentThread() const { |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 17 | return IsRunningOnSequence(PRIMARY_SEQUENCE); |
| 18 | } |
| 19 | |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 20 | // DOMStorageWorkerPoolTaskRunner |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 21 | |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 22 | DOMStorageWorkerPoolTaskRunner::DOMStorageWorkerPoolTaskRunner( |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 23 | base::SequencedWorkerPool* sequenced_worker_pool, |
| 24 | base::SequencedWorkerPool::SequenceToken primary_sequence_token, |
| 25 | base::SequencedWorkerPool::SequenceToken commit_sequence_token, |
| 26 | base::MessageLoopProxy* delayed_task_loop) |
| 27 | : message_loop_(delayed_task_loop), |
| 28 | sequenced_worker_pool_(sequenced_worker_pool), |
| 29 | primary_sequence_token_(primary_sequence_token), |
| 30 | commit_sequence_token_(commit_sequence_token) { |
| 31 | } |
| 32 | |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 33 | DOMStorageWorkerPoolTaskRunner::~DOMStorageWorkerPoolTaskRunner() { |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 34 | } |
| 35 | |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 36 | bool DOMStorageWorkerPoolTaskRunner::PostDelayedTask( |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 37 | const tracked_objects::Location& from_here, |
| 38 | const base::Closure& task, |
| 39 | base::TimeDelta delay) { |
| 40 | // Note base::TaskRunner implements PostTask in terms of PostDelayedTask |
| 41 | // with a delay of zero, we detect that usage and avoid the unecessary |
| 42 | // trip thru the message loop. |
| 43 | if (delay == base::TimeDelta()) { |
| 44 | return sequenced_worker_pool_->PostSequencedWorkerTaskWithShutdownBehavior( |
| 45 | primary_sequence_token_, from_here, task, |
| 46 | base::SequencedWorkerPool::BLOCK_SHUTDOWN); |
| 47 | } |
| 48 | // Post a task to call this->PostTask() after the delay. |
| 49 | return message_loop_->PostDelayedTask( |
| 50 | FROM_HERE, |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 51 | base::Bind(base::IgnoreResult(&DOMStorageWorkerPoolTaskRunner::PostTask), |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 52 | this, from_here, task), |
| 53 | delay); |
| 54 | } |
| 55 | |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 56 | bool DOMStorageWorkerPoolTaskRunner::PostShutdownBlockingTask( |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 57 | const tracked_objects::Location& from_here, |
| 58 | SequenceID sequence_id, |
| 59 | const base::Closure& task) { |
| 60 | return sequenced_worker_pool_->PostSequencedWorkerTaskWithShutdownBehavior( |
| 61 | IDtoToken(sequence_id), from_here, task, |
| 62 | base::SequencedWorkerPool::BLOCK_SHUTDOWN); |
| 63 | } |
| 64 | |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 65 | bool DOMStorageWorkerPoolTaskRunner::IsRunningOnSequence( |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 66 | SequenceID sequence_id) const { |
| 67 | return sequenced_worker_pool_->IsRunningSequenceOnCurrentThread( |
| 68 | IDtoToken(sequence_id)); |
| 69 | } |
| 70 | |
| 71 | base::SequencedWorkerPool::SequenceToken |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 72 | DOMStorageWorkerPoolTaskRunner::IDtoToken(SequenceID id) const { |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 73 | if (id == PRIMARY_SEQUENCE) |
| 74 | return primary_sequence_token_; |
| 75 | DCHECK_EQ(COMMIT_SEQUENCE, id); |
| 76 | return commit_sequence_token_; |
| 77 | } |
| 78 | |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 79 | // MockDOMStorageTaskRunner |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 80 | |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 81 | MockDOMStorageTaskRunner::MockDOMStorageTaskRunner( |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 82 | base::MessageLoopProxy* message_loop) |
| 83 | : message_loop_(message_loop) { |
| 84 | } |
| 85 | |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 86 | MockDOMStorageTaskRunner::~MockDOMStorageTaskRunner() { |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 87 | } |
| 88 | |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 89 | bool MockDOMStorageTaskRunner::PostDelayedTask( |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 90 | const tracked_objects::Location& from_here, |
| 91 | const base::Closure& task, |
| 92 | base::TimeDelta delay) { |
| 93 | return message_loop_->PostTask(from_here, task); |
| 94 | } |
| 95 | |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 96 | bool MockDOMStorageTaskRunner::PostShutdownBlockingTask( |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 97 | const tracked_objects::Location& from_here, |
| 98 | SequenceID sequence_id, |
| 99 | const base::Closure& task) { |
| 100 | return message_loop_->PostTask(from_here, task); |
| 101 | } |
| 102 | |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 103 | bool MockDOMStorageTaskRunner::IsRunningOnSequence(SequenceID) const { |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 104 | return message_loop_->RunsTasksOnCurrentThread(); |
| 105 | } |
| 106 | |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 107 | } // namespace content |