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| 1 // Copyright (c) 2013 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 #include "content/browser/loader/wake_lock_resource_throttle.h" |
| 6 |
| 7 #include "content/browser/service_manager/service_manager_context.h" |
| 8 #include "content/public/browser/browser_thread.h" |
| 9 #include "device/wake_lock/public/interfaces/wake_lock_provider.mojom.h" |
| 10 #include "mojo/public/cpp/bindings/interface_request.h" |
| 11 #include "services/device/public/interfaces/constants.mojom.h" |
| 12 #include "services/service_manager/public/cpp/connector.h" |
| 13 |
| 14 namespace content { |
| 15 |
| 16 namespace { |
| 17 |
| 18 const int kWakeLockDelaySeconds = 30; |
| 19 |
| 20 } // namespace |
| 21 |
| 22 WakeLockResourceThrottle::WakeLockResourceThrottle(const std::string& host) |
| 23 : host_(host) {} |
| 24 |
| 25 WakeLockResourceThrottle::~WakeLockResourceThrottle() {} |
| 26 |
| 27 void WakeLockResourceThrottle::WillStartRequest(bool* defer) { |
| 28 DCHECK_CURRENTLY_ON(BrowserThread::IO); |
| 29 |
| 30 // Delay wake lock request to dismiss small requests. |
| 31 timer_.Start(FROM_HERE, base::TimeDelta::FromSeconds(kWakeLockDelaySeconds), |
| 32 this, &WakeLockResourceThrottle::RequestWakeLock); |
| 33 } |
| 34 |
| 35 void WakeLockResourceThrottle::WillProcessResponse(bool* defer) { |
| 36 DCHECK_CURRENTLY_ON(BrowserThread::IO); |
| 37 |
| 38 // Cancel wake lock after request finishes. |
| 39 if (wake_lock_) |
| 40 wake_lock_->CancelWakeLock(); |
| 41 |
| 42 timer_.Stop(); |
| 43 } |
| 44 |
| 45 const char* WakeLockResourceThrottle::GetNameForLogging() const { |
| 46 return "WakeLockResourceThrottle"; |
| 47 } |
| 48 |
| 49 void WakeLockResourceThrottle::RequestWakeLock() { |
| 50 DCHECK_CURRENTLY_ON(BrowserThread::IO); |
| 51 DCHECK(!wake_lock_); |
| 52 |
| 53 service_manager::Connector* connector = |
| 54 ServiceManagerContext::GetConnectorForIOThread(); |
| 55 // |connector| might be nullptr in some testing contexts, in which the |
| 56 // service manager connection isn't initialized. |
| 57 if (connector) { |
| 58 device::mojom::WakeLockProviderPtr wake_lock_provider; |
| 59 connector->BindInterface(device::mojom::kServiceName, |
| 60 mojo::MakeRequest(&wake_lock_provider)); |
| 61 wake_lock_provider->GetWakeLockWithoutContext( |
| 62 device::mojom::WakeLockType::PreventAppSuspension, |
| 63 device::mojom::WakeLockReason::ReasonOther, |
| 64 "Uploading data to " + host_, mojo::MakeRequest(&wake_lock_)); |
| 65 |
| 66 wake_lock_->RequestWakeLock(); |
| 67 } |
| 68 } |
| 69 |
| 70 } // namespace content |
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