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// Copyright 2014 The Chromium Authors. All rights reserved.
// 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/permissions/permission_status.h"
#include "third_party/blink/public/platform/platform.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise_resolver.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/dom/events/event.h"
#include "third_party/blink/renderer/modules/event_target_modules_names.h"
#include "third_party/blink/renderer/modules/permissions/permission_utils.h"
#include "third_party/blink/renderer/platform/wtf/functional.h"
namespace blink {
// static
PermissionStatus* PermissionStatus::Take(ScriptPromiseResolver* resolver,
MojoPermissionStatus status,
MojoPermissionDescriptor descriptor) {
return PermissionStatus::CreateAndListen(resolver->GetExecutionContext(),
status, std::move(descriptor));
}
PermissionStatus* PermissionStatus::CreateAndListen(
ExecutionContext* execution_context,
MojoPermissionStatus status,
MojoPermissionDescriptor descriptor) {
PermissionStatus* permission_status = MakeGarbageCollected<PermissionStatus>(
execution_context, status, std::move(descriptor));
permission_status->PauseIfNeeded();
permission_status->StartListening();
return permission_status;
}
PermissionStatus::PermissionStatus(ExecutionContext* execution_context,
MojoPermissionStatus status,
MojoPermissionDescriptor descriptor)
: PausableObject(execution_context),
status_(status),
descriptor_(std::move(descriptor)),
binding_(this) {}
PermissionStatus::~PermissionStatus() = default;
void PermissionStatus::Dispose() {
StopListening();
}
const AtomicString& PermissionStatus::InterfaceName() const {
return event_target_names::kPermissionStatus;
}
ExecutionContext* PermissionStatus::GetExecutionContext() const {
return PausableObject::GetExecutionContext();
}
bool PermissionStatus::HasPendingActivity() const {
return binding_.is_bound();
}
void PermissionStatus::ContextUnpaused() {
StartListening();
}
void PermissionStatus::ContextPaused(PauseState) {
StopListening();
}
void PermissionStatus::ContextDestroyed(ExecutionContext*) {
StopListening();
}
String PermissionStatus::state() const {
switch (status_) {
case MojoPermissionStatus::GRANTED:
return "granted";
case MojoPermissionStatus::DENIED:
return "denied";
case MojoPermissionStatus::ASK:
return "prompt";
}
NOTREACHED();
return "denied";
}
void PermissionStatus::StartListening() {
DCHECK(!binding_.is_bound());
mojom::blink::PermissionObserverPtr observer;
scoped_refptr<base::SingleThreadTaskRunner> task_runner =
GetExecutionContext()->GetTaskRunner(TaskType::kPermission);
binding_.Bind(mojo::MakeRequest(&observer, task_runner), task_runner);
mojom::blink::PermissionServicePtr service;
ConnectToPermissionService(GetExecutionContext(),
mojo::MakeRequest(&service, task_runner));
service->AddPermissionObserver(descriptor_->Clone(), status_,
std::move(observer));
}
void PermissionStatus::StopListening() {
binding_.Close();
}
void PermissionStatus::OnPermissionStatusChange(MojoPermissionStatus status) {
if (status_ == status)
return;
status_ = status;
DispatchEvent(*Event::Create(event_type_names::kChange));
}
void PermissionStatus::Trace(blink::Visitor* visitor) {
EventTargetWithInlineData::Trace(visitor);
PausableObject::Trace(visitor);
}
} // namespace blink
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