File: ServiceWorkerWindowClient.cpp

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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 "modules/serviceworkers/ServiceWorkerWindowClient.h"

#include "bindings/core/v8/CallbackPromiseAdapter.h"
#include "bindings/core/v8/ScriptPromiseResolver.h"
#include "core/dom/DOMException.h"
#include "core/dom/ExceptionCode.h"
#include "core/page/PageVisibilityState.h"
#include "core/workers/WorkerGlobalScope.h"
#include "core/workers/WorkerLocation.h"
#include "modules/serviceworkers/ServiceWorkerError.h"
#include "modules/serviceworkers/ServiceWorkerGlobalScopeClient.h"
#include "modules/serviceworkers/ServiceWorkerWindowClientCallback.h"
#include "public/platform/WebString.h"
#include "wtf/RefPtr.h"
#include <memory>

namespace blink {

ServiceWorkerWindowClient* ServiceWorkerWindowClient::take(
    ScriptPromiseResolver*,
    std::unique_ptr<WebServiceWorkerClientInfo> webClient) {
  return webClient ? ServiceWorkerWindowClient::create(*webClient) : nullptr;
}

ServiceWorkerWindowClient* ServiceWorkerWindowClient::create(
    const WebServiceWorkerClientInfo& info) {
  return new ServiceWorkerWindowClient(info);
}

ServiceWorkerWindowClient::ServiceWorkerWindowClient(
    const WebServiceWorkerClientInfo& info)
    : ServiceWorkerClient(info),
      m_pageVisibilityState(info.pageVisibilityState),
      m_isFocused(info.isFocused) {}

ServiceWorkerWindowClient::~ServiceWorkerWindowClient() {}

String ServiceWorkerWindowClient::visibilityState() const {
  return pageVisibilityStateString(
      static_cast<PageVisibilityState>(m_pageVisibilityState));
}

ScriptPromise ServiceWorkerWindowClient::focus(ScriptState* scriptState) {
  ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
  ScriptPromise promise = resolver->promise();

  if (!scriptState->getExecutionContext()->isWindowInteractionAllowed()) {
    resolver->reject(DOMException::create(InvalidAccessError,
                                          "Not allowed to focus a window."));
    return promise;
  }
  scriptState->getExecutionContext()->consumeWindowInteraction();

  ServiceWorkerGlobalScopeClient::from(scriptState->getExecutionContext())
      ->focus(uuid(),
              WTF::makeUnique<CallbackPromiseAdapter<ServiceWorkerWindowClient,
                                                     ServiceWorkerError>>(
                  resolver));
  return promise;
}

ScriptPromise ServiceWorkerWindowClient::navigate(ScriptState* scriptState,
                                                  const String& url) {
  ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
  ScriptPromise promise = resolver->promise();
  ExecutionContext* context = scriptState->getExecutionContext();

  KURL parsedUrl = KURL(toWorkerGlobalScope(context)->location()->url(), url);
  if (!parsedUrl.isValid() || parsedUrl.protocolIsAbout()) {
    resolver->reject(V8ThrowException::createTypeError(
        scriptState->isolate(), "'" + url + "' is not a valid URL."));
    return promise;
  }
  if (!context->getSecurityOrigin()->canDisplay(parsedUrl)) {
    resolver->reject(V8ThrowException::createTypeError(
        scriptState->isolate(),
        "'" + parsedUrl.elidedString() + "' cannot navigate."));
    return promise;
  }

  ServiceWorkerGlobalScopeClient::from(context)->navigate(
      uuid(), parsedUrl, WTF::makeUnique<NavigateClientCallback>(resolver));
  return promise;
}

DEFINE_TRACE(ServiceWorkerWindowClient) {
  ServiceWorkerClient::trace(visitor);
}

}  // namespace blink