Implement support for link type serviceworker in link elements.

third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp

 /*
  * Copyright (C) 2009, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 31 matching lines @@
 #include "core/frame/Settings.h"
 #include "core/html/HTMLFrameElementBase.h"
 #include "core/html/HTMLMediaElement.h"
 #include "core/html/HTMLPlugInElement.h"
 #include "core/input/EventHandler.h"
 #include "core/layout/HitTestResult.h"
 #include "core/loader/DocumentLoader.h"
 #include "core/loader/FrameLoadRequest.h"
 #include "core/loader/FrameLoader.h"
 #include "core/loader/HistoryItem.h"
+#include "core/loader/LinkLoaderClient.h"
 #include "core/page/Page.h"
 #include "core/page/WindowFeatures.h"
 #include "modules/audio_output_devices/HTMLMediaElementAudioOutputDevice.h"
 #include "modules/device_light/DeviceLightController.h"
 #include "modules/device_orientation/DeviceMotionController.h"
 #include "modules/device_orientation/DeviceOrientationAbsoluteController.h"
 #include "modules/device_orientation/DeviceOrientationController.h"
 #include "modules/encryptedmedia/HTMLMediaElementEncryptedMedia.h"
 #include "modules/gamepad/NavigatorGamepad.h"
 #include "modules/mediasession/HTMLMediaElementMediaSession.h"
 #include "modules/mediasession/MediaSession.h"
 #include "modules/serviceworkers/NavigatorServiceWorker.h"
+#include "modules/serviceworkers/ServiceWorkerContainer.h"
 #include "modules/storage/DOMWindowStorageController.h"
 #include "modules/vr/NavigatorVRDevice.h"
 #include "platform/Histogram.h"
 #include "platform/MIMETypeRegistry.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/UserGestureIndicator.h"
 #include "platform/exported/WrappedResourceRequest.h"
 #include "platform/exported/WrappedResourceResponse.h"
 #include "platform/fonts/GlyphPageTreeNode.h"
 #include "platform/network/HTTPParsers.h"
 #include "platform/plugins/PluginData.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebApplicationCacheHost.h"
 #include "public/platform/WebMediaPlayer.h"
 #include "public/platform/WebMimeRegistry.h"
 #include "public/platform/WebRTCPeerConnectionHandler.h"
+#include "public/platform/WebScheduler.h"
 #include "public/platform/WebSecurityOrigin.h"
 #include "public/platform/WebURL.h"
 #include "public/platform/WebURLError.h"
 #include "public/platform/WebVector.h"
 #include "public/platform/modules/mediasession/WebMediaSession.h"
 #include "public/platform/modules/serviceworker/WebServiceWorkerProvider.h"
 #include "public/platform/modules/serviceworker/WebServiceWorkerProviderClient.h"
 #include "public/web/WebAutofillClient.h"
 #include "public/web/WebContentSettingsClient.h"
 #include "public/web/WebDOMEvent.h"
@@ skipping 940 matching lines @@
 }
 
 void FrameLoaderClientImpl::suddenTerminationDisablerChanged(bool present, SuddenTerminationDisablerType type)
 {
     if (m_webFrame->client()) {
         m_webFrame->client()->suddenTerminationDisablerChanged(
             present, static_cast<WebFrameClient::SuddenTerminationDisablerType>(type));
     }
 }
 
+namespace {
+
+class RegistrationCallback : public WebServiceWorkerProvider::WebServiceWorkerRegistrationCallbacks {
+public:
+    explicit RegistrationCallback(LinkLoaderClient* client) : m_client(client) {}
+    ~RegistrationCallback() override {}
+
+    void onSuccess(WebPassOwnPtr<WebServiceWorkerRegistration::Handle> handle) override
+    {
+        Platform::current()->currentThread()->scheduler()->timerTaskRunner()->postTask(BLINK_FROM_HERE, bind(&LinkLoaderClient::linkLoaded, m_client));
+    }
+
+    void onError(const WebServiceWorkerError& error) override
+    {
+        Platform::current()->currentThread()->scheduler()->timerTaskRunner()->postTask(BLINK_FROM_HERE, bind(&LinkLoaderClient::linkLoadingErrored, m_client));
+    }
+
+private:
+    WTF_MAKE_NONCOPYABLE(RegistrationCallback);
+
+    RawPtrWillBePersistent<LinkLoaderClient> m_client;
+};
+
+}
+
+void FrameLoaderClientImpl::registerServiceWorker(const KURL& scriptURL, const String& scope, LinkLoaderClient* client)
+{
+    if (!client->shouldLoadLink())
+        return;
+
+    Document* document = m_webFrame->frame()->document();
+    KURL scopeURL;
+    if (scope.isNull())
+        scopeURL = KURL(scriptURL, "./");
+    else
+        scopeURL = document->completeURL(scope);
+    scopeURL.removeFragmentIdentifier();

[Nate Chapin, 2016/03/17 22:49:03]

Can we do this and the things about it in LinkServiceWorker? Ideally
FrameLoaderClientImpl will be plumbing-only.

[Marijn Kruisselbrink, 2016/03/17 23:20:39]

Done

+
+    TrackExceptionState exceptionState;
+    NavigatorServiceWorker::serviceWorker(document, *m_webFrame->frame()->domWindow()->navigator(), exceptionState)->registerServiceWorkerImpl(document, scriptURL, scopeURL, adoptPtr(new RegistrationCallback(client)));
+}
+
 } // namespace blink