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| 1 // Copyright 2017 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/wake_lock/wake_lock_context_host.h" |
| 6 |
| 7 #include "base/atomic_sequence_num.h" |
| 8 #include "base/lazy_instance.h" |
| 9 #include "content/public/common/service_manager_connection.h" |
| 10 #include "device/wake_lock/public/interfaces/wake_lock_context_provider.mojom.h" |
| 11 #include "mojo/public/cpp/bindings/strong_binding.h" |
| 12 #include "services/device/public/interfaces/constants.mojom.h" |
| 13 #include "services/service_manager/public/cpp/connector.h" |
| 14 |
| 15 namespace content { |
| 16 |
| 17 namespace { |
| 18 |
| 19 base::StaticAtomicSequenceNumber g_unique_id; |
| 20 |
| 21 base::LazyInstance<std::map<int, WakeLockContextHost*>>::Leaky |
| 22 g_id_to_context_host = LAZY_INSTANCE_INITIALIZER; |
| 23 |
| 24 WakeLockContextHost* ContextHostFromId(int id) { |
| 25 auto it = g_id_to_context_host.Get().find(id); |
| 26 return it != g_id_to_context_host.Get().end() ? it->second : nullptr; |
| 27 } |
| 28 |
| 29 } // namespace |
| 30 |
| 31 WakeLockContextHost::WakeLockContextHost(WebContents* web_contents) |
| 32 : id_(g_unique_id.GetNext()), web_contents_(web_contents) { |
| 33 g_id_to_context_host.Get()[id_] = this; |
| 34 |
| 35 // Connect to a WakeLockContext, associating it with |id_| (note that in some |
| 36 // testing contexts, the service manager connection isn't initialized). |
| 37 if (ServiceManagerConnection::GetForProcess()) { |
| 38 service_manager::Connector* connector = |
| 39 ServiceManagerConnection::GetForProcess()->GetConnector(); |
| 40 DCHECK(connector); |
| 41 device::mojom::WakeLockContextProviderPtr context_provider; |
| 42 connector->BindInterface(device::mojom::kServiceName, |
| 43 mojo::MakeRequest(&context_provider)); |
| 44 context_provider->GetContext(id_, mojo::MakeRequest(&wake_lock_context_)); |
| 45 } |
| 46 } |
| 47 |
| 48 WakeLockContextHost::~WakeLockContextHost() { |
| 49 g_id_to_context_host.Get().erase(id_); |
| 50 } |
| 51 |
| 52 // static |
| 53 gfx::NativeView WakeLockContextHost::GetNativeViewForContext(int context_id) { |
| 54 WakeLockContextHost* context_host = ContextHostFromId(context_id); |
| 55 if (context_host) |
| 56 return context_host->web_contents_->GetNativeView(); |
| 57 return nullptr; |
| 58 } |
| 59 |
| 60 } // namespace content |
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