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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/modules/idle/idle_manager.h"
#include "base/task/single_thread_task_runner.h"
#include "third_party/blink/public/platform/browser_interface_broker_proxy.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_permission_state.h"
#include "third_party/blink/renderer/core/frame/local_dom_window.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"
#include "third_party/blink/renderer/modules/permissions/permission_utils.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
#include "third_party/blink/renderer/platform/wtf/functional.h"
namespace blink {
// static
const char IdleManager::kSupplementName[] = "IdleManager";
// static
IdleManager* IdleManager::From(ExecutionContext* context) {
DCHECK(context);
DCHECK(context->IsContextThread());
IdleManager* manager =
Supplement<ExecutionContext>::From<IdleManager>(context);
if (!manager) {
manager = MakeGarbageCollected<IdleManager>(context);
Supplement<ExecutionContext>::ProvideTo(*context, manager);
}
return manager;
}
IdleManager::IdleManager(ExecutionContext* context)
: Supplement<ExecutionContext>(*context),
idle_service_(context),
permission_service_(context) {}
IdleManager::~IdleManager() = default;
ScriptPromise<V8PermissionState> IdleManager::RequestPermission(
ScriptState* script_state,
ExceptionState& exception_state) {
ExecutionContext* context = GetSupplementable();
DCHECK_EQ(context, ExecutionContext::From(script_state));
// This function is annotated with [Exposed=Window].
DCHECK(context->IsWindow());
auto* window = To<LocalDOMWindow>(context);
if (!LocalFrame::HasTransientUserActivation(window->GetFrame())) {
exception_state.ThrowDOMException(
DOMExceptionCode::kNotAllowedError,
"Must be handling a user gesture to show a permission request.");
return EmptyPromise();
}
// This interface is annotated with [SecureContext].
DCHECK(context->IsSecureContext());
if (!permission_service_.is_bound()) {
// See https://bit.ly/2S0zRAS for task types.
scoped_refptr<base::SingleThreadTaskRunner> task_runner =
context->GetTaskRunner(TaskType::kMiscPlatformAPI);
ConnectToPermissionService(
context,
permission_service_.BindNewPipeAndPassReceiver(std::move(task_runner)));
}
auto* resolver =
MakeGarbageCollected<ScriptPromiseResolver<V8PermissionState>>(
script_state, exception_state.GetContext());
auto promise = resolver->Promise();
permission_service_->RequestPermission(
CreatePermissionDescriptor(mojom::blink::PermissionName::IDLE_DETECTION),
LocalFrame::HasTransientUserActivation(window->GetFrame()),
WTF::BindOnce(&IdleManager::OnPermissionRequestComplete,
WrapPersistent(this), WrapPersistent(resolver)));
return promise;
}
void IdleManager::AddMonitor(
mojo::PendingRemote<mojom::blink::IdleMonitor> monitor,
mojom::blink::IdleManager::AddMonitorCallback callback) {
if (!idle_service_.is_bound()) {
ExecutionContext* context = GetSupplementable();
// See https://bit.ly/2S0zRAS for task types.
scoped_refptr<base::SingleThreadTaskRunner> task_runner =
context->GetTaskRunner(TaskType::kMiscPlatformAPI);
context->GetBrowserInterfaceBroker().GetInterface(
idle_service_.BindNewPipeAndPassReceiver(std::move(task_runner)));
}
idle_service_->AddMonitor(std::move(monitor), std::move(callback));
}
void IdleManager::Trace(Visitor* visitor) const {
visitor->Trace(idle_service_);
visitor->Trace(permission_service_);
Supplement<ExecutionContext>::Trace(visitor);
}
void IdleManager::InitForTesting(
mojo::PendingRemote<mojom::blink::IdleManager> idle_service) {
ExecutionContext* context = GetSupplementable();
// See https://bit.ly/2S0zRAS for task types.
scoped_refptr<base::SingleThreadTaskRunner> task_runner =
context->GetTaskRunner(TaskType::kMiscPlatformAPI);
idle_service_.Bind(std::move(idle_service), std::move(task_runner));
}
void IdleManager::OnPermissionRequestComplete(
ScriptPromiseResolver<V8PermissionState>* resolver,
mojom::blink::PermissionStatus status) {
resolver->Resolve(ToV8PermissionState(status));
}
} // namespace blink
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