implement java side

packages/webview_flutter/webview_flutter_android/android/src/main/java/io/flutter/plugins/webviewflutter/CookieManagerHostApiImpl.java

@@ -7,22 +7,93 @@
 import android.os.Build;
 import android.webkit.CookieManager;
 import androidx.annotation.NonNull;
+import androidx.annotation.VisibleForTesting;
+import io.flutter.plugin.common.BinaryMessenger;
 import io.flutter.plugins.webviewflutter.GeneratedAndroidWebView.CookieManagerHostApi;
+import java.util.Objects;
+
+/**
+ * Host API implementation for `CookieManager`.
+ *
+ * <p>This class may handle instantiating and adding native object instances that are attached to a
+ * Dart instance or handle method calls on the associated native class or an instance of the class.
+ */
+public class CookieManagerHostApiImpl implements CookieManagerHostApi {
+  // To ease adding additional methods, this value is added prematurely.
+  @SuppressWarnings({"unused", "FieldCanBeLocal"})
+  private final BinaryMessenger binaryMessenger;
+
+  private final InstanceManager instanceManager;
+  private final CookieManagerProxy proxy;
+
+  /** Proxy for constructors and static method of `CookieManager`. */
+  @VisibleForTesting
+  static class CookieManagerProxy {
+    /** Handles the Dart static method `MyClass.myStaticMethod`. */
+    @NonNull
+    public CookieManager getInstance() {
+      return CookieManager.getInstance();
+    }
+  }
+
+  /**
+   * Constructs a {@link CookieManagerHostApiImpl}.
+   *
+   * @param binaryMessenger used to communicate with Dart over asynchronous messages
+   * @param instanceManager maintains instances stored to communicate with attached Dart objects
+   */
+  public CookieManagerHostApiImpl(
+      @NonNull BinaryMessenger binaryMessenger, @NonNull InstanceManager instanceManager) {
+    this(binaryMessenger, instanceManager, new CookieManagerProxy());
+  }
+
+  /**
+   * Constructs a {@link CookieManagerHostApiImpl}.
+   *
+   * @param binaryMessenger used to communicate with Dart over asynchronous messages
+   * @param instanceManager maintains instances stored to communicate with attached Dart objects
+   * @param proxy proxy for constructors and static methods of `CookieManager`
+   */
+  public CookieManagerHostApiImpl(
+      @NonNull BinaryMessenger binaryMessenger,
+      @NonNull InstanceManager instanceManager,
+      @NonNull CookieManagerProxy proxy) {
+    this.binaryMessenger = binaryMessenger;
+    this.instanceManager = instanceManager;
+    this.proxy = proxy;
+  }
 
-class CookieManagerHostApiImpl implements CookieManagerHostApi {
   @Override
-  public void clearCookies(@NonNull GeneratedAndroidWebView.Result<Boolean> result) {
-    CookieManager cookieManager = CookieManager.getInstance();
+  public void attachInstance(@NonNull Long instanceIdentifier) {
+    instanceManager.addDartCreatedInstance(proxy.getInstance(), instanceIdentifier);
+  }
+
+  @Override
+  public void setCookie(@NonNull Long identifier, @NonNull String url, @NonNull String value) {
+    getCookieManagerInstance(identifier).setCookie(url, value);
+  }
+
+  @Override
+  public void removeAllCookies(
+      @NonNull Long identifier, @NonNull GeneratedAndroidWebView.Result<Boolean> result) {
     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-      cookieManager.removeAllCookies(result::success);
+      getCookieManagerInstance(identifier).removeAllCookies(result::success);
     } else {
-      result.success(removeCookiesPreL(cookieManager));
+      result.success(removeCookiesPreL(getCookieManagerInstance(identifier)));
     }
   }
 
   @Override
-  public void setCookie(@NonNull String url, @NonNull String value) {
-    CookieManager.getInstance().setCookie(url, value);
+  public void setAcceptThirdPartyCookies(
+      @NonNull Long identifier, @NonNull Long webViewIdentifier, @NonNull Boolean accept) {
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+      getCookieManagerInstance(identifier)
+          .setAcceptThirdPartyCookies(
+              Objects.requireNonNull(instanceManager.getInstance(webViewIdentifier)), accept);
+    } else {
+      throw new UnsupportedOperationException(
+          "`setAcceptThirdPartyCookies` is unsupported on versions below `Build.VERSION_CODES.LOLLIPOP`.");
+    }
   }
 
   /**
@@ -40,4 +111,9 @@ private boolean removeCookiesPreL(CookieManager cookieManager) {
     }
     return hasCookies;
   }
+
+  @NonNull
+  private CookieManager getCookieManagerInstance(@NonNull Long identifier) {
+    return Objects.requireNonNull(instanceManager.getInstance(identifier));
+  }
 }