[InfoBar] Upstram basic infobar flow for Android.

chrome/android/java/src/org/chromium/chrome/browser/infobar/AutoLoginAccountDelegate.java

Index: chrome/android/java/src/org/chromium/chrome/browser/infobar/AutoLoginAccountDelegate.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/infobar/AutoLoginAccountDelegate.java b/chrome/android/java/src/org/chromium/chrome/browser/infobar/AutoLoginAccountDelegate.java
new file mode 100644
index 0000000000000000000000000000000000000000..befc64532e187d9d7d57927753aa8f0de4f3ddc6
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/infobar/AutoLoginAccountDelegate.java
@@ -0,0 +1,92 @@
+// Copyright (c) 2013 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.chrome.browser.infobar;
+
+import android.accounts.Account;
+import android.accounts.AccountManager;
+import android.accounts.AccountManagerCallback;
+import android.accounts.AccountManagerFuture;
+import android.app.Activity;
+import android.os.Bundle;
+import android.util.Log;
+
+import org.chromium.content.common.CommandLine;
+import org.chromium.sync.signin.AccountManagerHelper;
+import org.chromium.sync.signin.ChromeSigninController;
+
+/**
+ * Performs the actual login to the requried service.
+ */
+public class AutoLoginAccountDelegate implements AccountManagerCallback<Bundle> {
+
+    private static final String WEB_LOGIN_PREFIX = "weblogin:";
+    private final Activity mActivity;
+    private final AutoLoginProcessor mAutoLoginProcessor;
+    private final AccountManager mAccountManager;
+    private final Account mAccount;
+    private boolean mLogInRequested;
+    private String mAuthTokenType;
+
+    public AutoLoginAccountDelegate(Activity activity, AutoLoginProcessor autoLoginProcessor,
+            String realm, String account, String accountArgs) {
+        mActivity = activity;
+        mAutoLoginProcessor = autoLoginProcessor;
+        mAccountManager = AccountManager.get(activity);
+        mAccount = ChromeSigninController.get(activity).getSignedInUser();
+        mLogInRequested = false;
+        mAuthTokenType = WEB_LOGIN_PREFIX + accountArgs;
+    }
+
+    public boolean logIn() {
+        Log.i("AutoLoginAccountDelegate", "auto-login requested for "
+                + (mAccount != null ? mAccount.toString() : "?"));
+
+        Account currentAccount = ChromeSigninController.get(mActivity).getSignedInUser();
+        if (mAccount == null || !mAccount.equals(currentAccount)) {
+            Log.i("InfoBar", "auto-login failed because account is no longer valid");
+            return false;
+        }
+
+        // The callback for this request comes in on a non-UI thread.
+        mAccountManager.getAuthToken(mAccount, mAuthTokenType, null, mActivity, this, null);
+        mLogInRequested = true;
+        return true;
+    }
+
+    String getAuthToken() {
+        return mAuthTokenType;
+    }
+
+    String getAccountName() {
+        return mAccount != null ? mAccount.name : "";
+    }
+
+    boolean loginRequested() {
+        return mLogInRequested;
+    }
+
+    boolean hasAccount() {
+        return mAccount != null;
+    }
+
+    @Override
+    public void run(AccountManagerFuture<Bundle> value) {
+        String result = null;
+        try {
+            result = value.getResult().getString(AccountManager.KEY_AUTHTOKEN);
+        } catch (Exception e) {
+            result = null;
+        }
+
+        final boolean success = result != null;
+
+        // Can't rely on the Bundle's auth token or account name as they might be null
+        // if this was a failed attempt.
+        if (mAutoLoginProcessor != null) {
+            mAutoLoginProcessor.processAutoLoginResult(getAccountName(), getAuthToken(),
+                    success, result);
+        }
+    }
+}