[InfoBar] Upstram basic infobar flow for Android.

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

Index: chrome/android/java/src/org/chromium/chrome/browser/infobar/AutoLoginDelegate.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/infobar/AutoLoginDelegate.java b/chrome/android/java/src/org/chromium/chrome/browser/infobar/AutoLoginDelegate.java
new file mode 100644
index 0000000000000000000000000000000000000000..2ca6605dfed5ba5260be53d3733ad738c79971e3
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/infobar/AutoLoginDelegate.java
@@ -0,0 +1,107 @@
+// 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.app.Activity;
+import android.util.Log;
+import android.util.SparseArray;
+
+import org.chromium.chrome.R;
+
+import org.chromium.base.CalledByNative;
+
+/**
+ * Java equivalent of the C++ AutoLoginDelegateAndroid.
+ *
+ * Offers functionality to log in using the account in the system and keeps track
+ * of all the native autologin infobars and their respective accounts.
+ */
+public class AutoLoginDelegate {
+    private final Activity mActivity;
+    private final AutoLoginProcessor mAutoLoginProcessor;
+
+    // indexed by nativeInfoBar, think of it as an efficient
+    // HashMap<nativeInfoBar, AutoLoginAccountDelegate>.
+    private final SparseArray<AutoLoginAccountDelegate> mAccountHelpers;
+
+    public AutoLoginDelegate(AutoLoginProcessor autoLoginProcessor, Activity activity) {
+        mActivity = activity;
+        mAutoLoginProcessor = autoLoginProcessor;
+        mAccountHelpers = new SparseArray<AutoLoginAccountDelegate>();
+    }
+
+    /**
+     * @return the account name of the device if any.
+     */
+    @CalledByNative
+    String initializeAccount(int nativeInfoBar, String realm, String account, String args) {
+        AutoLoginAccountDelegate accountHelper =
+                new AutoLoginAccountDelegate(mActivity, mAutoLoginProcessor, realm, account, args);
+
+        if (!accountHelper.hasAccount()) {
+            return "";
+        }
+
+        mAccountHelpers.put(nativeInfoBar, accountHelper);
+        return accountHelper.getAccountName();
+    }
+
+    /**
+     * Log in a user to a given google service.
+     */
+    @CalledByNative
+    boolean logIn(int nativeInfoBar) {
+        AutoLoginAccountDelegate account = mAccountHelpers.get(nativeInfoBar);
+
+        if (account == null || !account.logIn()) {
+            nativeLoginFailed(nativeInfoBar);
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * Clear account information for cancelled login requests.
+     */
+    @CalledByNative
+    boolean cancelLogIn(int nativeInfoBar) {
+        mAccountHelpers.remove(nativeInfoBar);
+        return true;
+    }
+
+    /**
+     * Clear all infobars in the same tab and tells native to proceed with login if successful.
+     */
+    public void dismissAutoLogins(String accountName, String authToken, boolean success,
+            String result) {
+        // Use a copy of the current active accounts so we can delete the
+        // original in the for loop.
+        SparseArray<AutoLoginAccountDelegate> accountInfo = mAccountHelpers.clone();
+        for (int i = 0; i < accountInfo.size(); i++) {
+            int infoBar = accountInfo.keyAt(i);
+            AutoLoginAccountDelegate delegate = accountInfo.get(infoBar);
+            if (!delegate.loginRequested()) {
+                nativeLoginDismiss(infoBar);
+            } else {
+                String accountAuthToken = delegate.getAuthToken();
+                if (accountAuthToken != null && accountAuthToken.equals(authToken)
+                        && delegate.loginRequested()) {
+                    if (success) {
+                        nativeLoginSuccess(infoBar, result);
+                    } else {
+                        nativeLoginFailed(infoBar);
+                    }
+                }
+            }
+            mAccountHelpers.remove(infoBar);
+        }
+    }
+
+    private native void nativeLoginSuccess(int nativeAutoLoginInfoBarDelegateAndroid,
+            String result);
+    private native void nativeLoginFailed(int nativeAutoLoginInfoBarDelegateAndroid);
+    private native void nativeLoginDismiss(int nativeAutoLoginInfoBarDelegateAndroid);
+}