[WebView Support Library] Support service worker APIs.

Provide (chromium-side) support for ServiceWorkers in the WebView
Support Library.
We'll add feature flags for the ServiceWorker APIs in a follow-up.

Bug: 819595
Change-Id: Id4c79e3970706633e36b28538c443a00c7e59e03
Reviewed-on: https://chromium-review.googlesource.com/964142Reviewed-by: Richard Coles <torne@chromium.org>
Reviewed-by: Nate Fischer <ntfschr@chromium.org>
Commit-Queue: Gustav Sennton <gsennton@chromium.org>
Cr-Commit-Position: refs/heads/master@{#545024}

android_webview/support_library/BUILD.gn

@@ -8,6 +8,9 @@ import("//build/config/android/rules.gni")
 android_library("support_lib_glue_java") {
   java_files = [
     "java/src/org/chromium/support_lib_glue/SupportLibReflectionUtil.java",
+    "java/src/org/chromium/support_lib_glue/SupportLibServiceWorkerClientAdapter.java",
+    "java/src/org/chromium/support_lib_glue/SupportLibServiceWorkerControllerAdapter.java",
+    "java/src/org/chromium/support_lib_glue/SupportLibServiceWorkerSettingsAdapter.java",
     "java/src/org/chromium/support_lib_glue/SupportLibWebSettingsAdapter.java",
     "java/src/org/chromium/support_lib_glue/SupportLibWebViewChromium.java",
     "java/src/org/chromium/support_lib_glue/SupportLibWebViewChromiumFactory.java",

android_webview/support_library/boundary_interfaces/BUILD.gn

@@ -7,6 +7,9 @@ import("//build/config/android/rules.gni")
 
 android_library("boundary_interface_java") {
   java_files = [
+    "src/org/chromium/support_lib_boundary/ServiceWorkerClientBoundaryInterface.java",
+    "src/org/chromium/support_lib_boundary/ServiceWorkerControllerBoundaryInterface.java",
+    "src/org/chromium/support_lib_boundary/ServiceWorkerWebSettingsBoundaryInterface.java",
     "src/org/chromium/support_lib_boundary/StaticsBoundaryInterface.java",
     "src/org/chromium/support_lib_boundary/SupportLibraryInfoBoundaryInterface.java",
     "src/org/chromium/support_lib_boundary/VisualStateCallbackBoundaryInterface.java",

android_webview/support_library/boundary_interfaces/src/org/chromium/support_lib_boundary/ServiceWorkerClientBoundaryInterface.java

+// Copyright 2018 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.
+
+package org.chromium.support_lib_boundary;
+
+import android.webkit.WebResourceRequest;
+import android.webkit.WebResourceResponse;
+
+/**
+ * Boundary interface for ServiceWorkerClient.
+ */
+public interface ServiceWorkerClientBoundaryInterface {
+    WebResourceResponse shouldInterceptRequest(WebResourceRequest request);
+}

android_webview/support_library/boundary_interfaces/src/org/chromium/support_lib_boundary/ServiceWorkerControllerBoundaryInterface.java

+// Copyright 2018 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.
+
+package org.chromium.support_lib_boundary;
+
+import java.lang.reflect.InvocationHandler;
+
+/**
+ * Boundary interface for ServiceWorkerController.
+ */
+public interface ServiceWorkerControllerBoundaryInterface {
+    /* ServiceWorkerWebSettings */ InvocationHandler getServiceWorkerWebSettings();
+    void setServiceWorkerClient(/* ServiceWorkerClient */ InvocationHandler client);
+}

android_webview/support_library/boundary_interfaces/src/org/chromium/support_lib_boundary/ServiceWorkerWebSettingsBoundaryInterface.java

+// Copyright 2018 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.
+
+package org.chromium.support_lib_boundary;
+
+/**
+ * Boundary interface for ServiceWorkerWebSettings.
+ */
+public interface ServiceWorkerWebSettingsBoundaryInterface {
+    void setCacheMode(int mode);
+
+    int getCacheMode();
+
+    void setAllowContentAccess(boolean allow);
+
+    boolean getAllowContentAccess();
+
+    void setAllowFileAccess(boolean allow);
+
+    boolean getAllowFileAccess();
+
+    void setBlockNetworkLoads(boolean flag);
+
+    boolean getBlockNetworkLoads();
+}

android_webview/support_library/boundary_interfaces/src/org/chromium/support_lib_boundary/WebViewProviderFactoryBoundaryInterface.java

@@ -15,4 +15,5 @@ public interface WebViewProviderFactoryBoundaryInterface {
     /* SupportLibWebkitToCompatConverter */ InvocationHandler getWebkitToCompatConverter();
     /* StaticsAdapter */ InvocationHandler getStatics();
     String[] getSupportedFeatures();
+    /* SupportLibraryServiceWorkerController */ InvocationHandler getServiceWorkerController();
 }

android_webview/support_library/java/src/org/chromium/support_lib_glue/SupportLibServiceWorkerClientAdapter.java

+// Copyright 2018 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.
+
+package org.chromium.support_lib_glue;
+
+import android.webkit.WebResourceResponse;
+
+import com.android.webview.chromium.ServiceWorkerClientAdapter;
+import com.android.webview.chromium.WebResourceRequestAdapter;
+
+import org.chromium.android_webview.AwContentsClient.AwWebResourceRequest;
+import org.chromium.android_webview.AwServiceWorkerClient;
+import org.chromium.android_webview.AwWebResourceResponse;
+import org.chromium.support_lib_boundary.ServiceWorkerClientBoundaryInterface;
+
+/**
+ * Adapter between ServiceWorkerClientBoundaryInterface and AwServiceWorkerClient.
+ */
+class SupportLibServiceWorkerClientAdapter extends AwServiceWorkerClient {
+    ServiceWorkerClientBoundaryInterface mImpl;
+
+    SupportLibServiceWorkerClientAdapter(ServiceWorkerClientBoundaryInterface impl) {
+        mImpl = impl;
+    }
+
+    @Override
+    public AwWebResourceResponse shouldInterceptRequest(AwWebResourceRequest request) {
+        WebResourceResponse response =
+                mImpl.shouldInterceptRequest(new WebResourceRequestAdapter(request));
+        return ServiceWorkerClientAdapter.fromWebResourceResponse(response);
+    }
+}

android_webview/support_library/java/src/org/chromium/support_lib_glue/SupportLibServiceWorkerControllerAdapter.java

+// Copyright 2018 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.
+
+package org.chromium.support_lib_glue;
+
+import org.chromium.android_webview.AwServiceWorkerController;
+import org.chromium.support_lib_boundary.ServiceWorkerClientBoundaryInterface;
+import org.chromium.support_lib_boundary.ServiceWorkerControllerBoundaryInterface;
+import org.chromium.support_lib_boundary.util.BoundaryInterfaceReflectionUtil;
+
+import java.lang.reflect.InvocationHandler;
+
+/**
+ * Adapter between AwServiceWorkerController and ServiceWorkerControllerBoundaryInterface.
+ */
+class SupportLibServiceWorkerControllerAdapter implements ServiceWorkerControllerBoundaryInterface {
+    AwServiceWorkerController mAwServiceWorkerController;
+
+    SupportLibServiceWorkerControllerAdapter(AwServiceWorkerController awServiceController) {
+        mAwServiceWorkerController = awServiceController;
+    }
+
+    @Override
+    public InvocationHandler getServiceWorkerWebSettings() {
+        return BoundaryInterfaceReflectionUtil.createInvocationHandlerFor(
+                new SupportLibServiceWorkerSettingsAdapter(
+                        mAwServiceWorkerController.getAwServiceWorkerSettings()));
+    }
+
+    @Override
+    public void setServiceWorkerClient(InvocationHandler client) {
+        mAwServiceWorkerController.setServiceWorkerClient(new SupportLibServiceWorkerClientAdapter(
+                BoundaryInterfaceReflectionUtil.castToSuppLibClass(
+                        ServiceWorkerClientBoundaryInterface.class, client)));
+    }
+}

android_webview/support_library/java/src/org/chromium/support_lib_glue/SupportLibServiceWorkerSettingsAdapter.java

+// Copyright 2018 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.
+
+package org.chromium.support_lib_glue;
+
+import org.chromium.android_webview.AwServiceWorkerSettings;
+import org.chromium.support_lib_boundary.ServiceWorkerWebSettingsBoundaryInterface;
+
+/**
+ * Adapter between AwServiceWorkerSettings and ServiceWorkerWebSettingsBoundaryInterface.
+ */
+class SupportLibServiceWorkerSettingsAdapter implements ServiceWorkerWebSettingsBoundaryInterface {
+    private AwServiceWorkerSettings mAwServiceWorkerSettings;
+
+    SupportLibServiceWorkerSettingsAdapter(AwServiceWorkerSettings settings) {
+        mAwServiceWorkerSettings = settings;
+    }
+
+    @Override
+    public void setCacheMode(int mode) {
+        mAwServiceWorkerSettings.setCacheMode(mode);
+    }
+
+    @Override
+    public int getCacheMode() {
+        return mAwServiceWorkerSettings.getCacheMode();
+    }
+
+    @Override
+    public void setAllowContentAccess(boolean allow) {
+        mAwServiceWorkerSettings.setAllowContentAccess(allow);
+    }
+
+    @Override
+    public boolean getAllowContentAccess() {
+        return mAwServiceWorkerSettings.getAllowContentAccess();
+    }
+
+    @Override
+    public void setAllowFileAccess(boolean allow) {
+        mAwServiceWorkerSettings.setAllowFileAccess(allow);
+    }
+
+    @Override
+    public boolean getAllowFileAccess() {
+        return mAwServiceWorkerSettings.getAllowFileAccess();
+    }
+
+    @Override
+    public void setBlockNetworkLoads(boolean flag) {
+        mAwServiceWorkerSettings.setBlockNetworkLoads(flag);
+    }
+
+    @Override
+    public boolean getBlockNetworkLoads() {
+        return mAwServiceWorkerSettings.getBlockNetworkLoads();
+    }
+}

android_webview/support_library/java/src/org/chromium/support_lib_glue/SupportLibWebViewChromiumFactory.java

@@ -36,6 +36,7 @@ class SupportLibWebViewChromiumFactory implements WebViewProviderFactoryBoundary
 
     // Initialization guarded by mAwInit.getLock()
     private InvocationHandler mStatics;
+    private InvocationHandler mServiceWorkerController;
 
     public SupportLibWebViewChromiumFactory(
             /* SupportLibraryInfo */ InvocationHandler supportLibraryInfo) {
@@ -101,4 +102,17 @@ class SupportLibWebViewChromiumFactory implements WebViewProviderFactoryBoundary
     public String[] getSupportedFeatures() {
         return mWebViewSupportedFeatures;
     }
+
+    @Override
+    public InvocationHandler getServiceWorkerController() {
+        synchronized (mAwInit.getLock()) {
+            if (mServiceWorkerController == null) {
+                mServiceWorkerController =
+                        BoundaryInterfaceReflectionUtil.createInvocationHandlerFor(
+                                new SupportLibServiceWorkerControllerAdapter(
+                                        mAwInit.getServiceWorkerController()));
+            }
+        }
+        return mServiceWorkerController;
+    }
 }