[WORK IN PROGRESS] ServiceWorkerClients.openWindow() [Blink]

Source/modules/serviceworkers/ServiceWorkerClients.cpp

 // 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 "config.h"
 #include "modules/serviceworkers/ServiceWorkerClients.h"
 
 #include "bindings/core/v8/CallbackPromiseAdapter.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "core/dom/ExceptionCode.h"
+#include "core/workers/WorkerGlobalScope.h"
+#include "core/workers/WorkerLocation.h"
 #include "modules/serviceworkers/ServiceWorkerError.h"
 #include "modules/serviceworkers/ServiceWorkerGlobalScopeClient.h"
 #include "modules/serviceworkers/ServiceWorkerWindowClient.h"
 #include "public/platform/WebServiceWorkerClientsInfo.h"
 #include "wtf/RefPtr.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
 namespace {
@@ skipping 15 matching lines @@
             delete webClientsRaw;
         }
 
     private:
         WTF_MAKE_NONCOPYABLE(ClientArray);
         ClientArray() = delete;
     };
 
 } // namespace
 
+class ServiceWorkerClients::OpenWindowCallbacks : public WebServiceWorkerOpenWindowCallbacks {
+    WTF_MAKE_NONCOPYABLE(OpenWindowCallbacks);
+public:
+    explicit OpenWindowCallbacks(PassRefPtrWillBeRawPtr<ScriptPromiseResolver> resolver)
+        : m_resolver(resolver) { }
+    virtual ~OpenWindowCallbacks() { }
+
+    void onSuccess(int clientId, const WebURL& url) override
+    {
+        WebServiceWorkerClientInfo info;
+        // FIXME: Payload should include state snapshot of visibility, focused
+        info.clientID = clientId;
+        info.frameType = WebURLRequest::FrameTypeTopLevel;
+        info.url = url;
+        m_resolver->resolve(ServiceWorkerClient::create(info));
+        m_resolver.clear();
+    }
+
+    void onError() override
+    {
+        // FIXME: Route back a useful error message of some sort.
+        m_resolver->reject(DOMException::create(SecurityError, "Failed to open the requested URL."));
+        m_resolver.clear();
+    }
+
+private:
+    RefPtrWillBePersistent<ScriptPromiseResolver> m_resolver;
+};
+
 ServiceWorkerClients* ServiceWorkerClients::create()
 {
     return new ServiceWorkerClients();
 }
 
 ServiceWorkerClients::ServiceWorkerClients()
 {
 }
 
 ScriptPromise ServiceWorkerClients::getAll(ScriptState* scriptState, const ClientQueryOptions& options)
@@ skipping 10 matching lines @@
     if (options.type() != "window") {
         // FIXME: Currently we only support WindowClients.
         resolver->reject(DOMException::create(NotSupportedError, "type parameter of getAll is not supported."));
         return promise;
     }
 
     ServiceWorkerGlobalScopeClient::from(scriptState->executionContext())->getClients(new CallbackPromiseAdapter<ClientArray, ServiceWorkerError>(resolver));
     return promise;
 }
 
+ScriptPromise ServiceWorkerClients::openWindow(ScriptState* scriptState, const String& url)
+{
+    RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState);
+    ExecutionContext* context = scriptState->executionContext();
+    ScriptPromise promise = resolver->promise();
+
+    KURL parsedURL = KURL(toWorkerGlobalScope(context)->location()->url(), url);
+    if (!parsedURL.isValid()) {
+        resolver->reject(DOMException::create(SyntaxError, "'" + url + "' is not a valid URL."));
+        return promise;
+    }
+
+    // FIXME: Is this (1) correct and (2) sufficient?
+    if (!context->securityOrigin()->canRequest(parsedURL)) {
+        resolver->reject(DOMException::create(SecurityError, "Can only open documents in the worker's origin."));
+        return promise;
+    }
+
+    ServiceWorkerGlobalScopeClient::from(context)->openWindow(parsedURL, new OpenWindowCallbacks(resolver));
+    return promise;
+}
+
 } // namespace blink