Upstream ChromeHttpAuthHandler

chrome/browser/ui/android/chrome_http_auth_handler.h

+// Copyright (c) 2012 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.
+
+#ifndef CHROME_BROWSER_UI_ANDROID_CHROME_HTTP_AUTH_HANDLER_H_
+#define CHROME_BROWSER_UI_ANDROID_CHROME_HTTP_AUTH_HANDLER_H_
+
+#include <jni.h>
+
+#include "base/android/scoped_java_ref.h"
+#include "base/string16.h"
+#include "chrome/browser/ui/login/login_prompt.h"
+
+// This class facilitates communication between a native LoginHandler
+// and a Java land ChromeHttpAuthHandler, which is passed to a
+// ContentViewClient to allow it to respond to HTTP authentication requests
+// by, e.g., showing the user a login dialog.
+class ChromeHttpAuthHandler {
+ public:
+  ChromeHttpAuthHandler(const string16& explanation);
+  ~ChromeHttpAuthHandler();
+
+  // This must be called before using the object.
+  // Constructs a corresponding Java land ChromeHttpAuthHandler.
+  void Init();
+
+  // Registers an observer to receive callbacks when SetAuth() and CancelAuth()
+  // are called. |observer| may be NULL in which case the callbacks are skipped.
+  void SetObserver(LoginHandler* observer);
+
+  // Returns a reference to the Java land ChromeHttpAuthHandler.  This
+  // reference must not be released, and remains valid until the native
+  // ChromeHttpAuthHandler is destructed.
+  jobject GetJavaObject();
+
+  // Forwards the autofill data to the Java land object.
+  void OnAutofillDataAvailable(
+      const string16& username,
+      const string16& password);
+
+  // --------------------------------------------------------------
+  // JNI Methods
+  // --------------------------------------------------------------
+
+  // Submits the username and password to the observer.
+  void SetAuth(JNIEnv* env, jobject, jstring username, jstring password);
+
+  // Cancels the authentication attempt of the observer.
+  void CancelAuth(JNIEnv* env, jobject);
+
+  // These functions return the strings needed to display a login form.
+  base::android::ScopedJavaLocalRef<jstring> GetMessageTitle(
+      JNIEnv* env, jobject);
+  base::android::ScopedJavaLocalRef<jstring> GetMessageBody(
+      JNIEnv* env, jobject);
+  base::android::ScopedJavaLocalRef<jstring> GetUsernameLabelText(
+      JNIEnv* env, jobject);
+  base::android::ScopedJavaLocalRef<jstring> GetPasswordLabelText(
+      JNIEnv* env, jobject);
+  base::android::ScopedJavaLocalRef<jstring> GetOkButtonText(
+      JNIEnv* env, jobject);
+  base::android::ScopedJavaLocalRef<jstring> GetCancelButtonText(
+      JNIEnv* env, jobject);
+  // Registers the ChromeHttpAuthHandler native methods.
+  static bool RegisterChromeHttpAuthHandler(JNIEnv* env);
+ private:
+  LoginHandler* observer_;
+  base::android::ScopedJavaGlobalRef<jobject> java_chrome_http_auth_handler_;
+  // e.g. "The server example.com:80 requires a username and password."
+  string16 explanation_;
+
+  DISALLOW_COPY_AND_ASSIGN(ChromeHttpAuthHandler);
+};
+
+#endif  // CHROME_BROWSER_UI_ANDROID_CHROME_HTTP_AUTH_HANDLER_H_