Remove promo send email from tab android.

Move the functionality into helper that we can use for issuing android
intents.

BUG=136785
TEST=run 'make browser'


Review URL: https://chromiumcodereview.appspot.com/10809061

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@148036 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 69 insertions, 0 deletions

diff --git a/chrome/android/java/src/org/chromium/chrome/browser/IntentHelper.java b/chrome/android/java/src/org/chromium/chrome/browser/IntentHelper.java
new file mode 100644
index 0000000..89975c6
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/IntentHelper.java
@@ -0,0 +1,69 @@
+// 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.
+
+package org.chromium.chrome.browser;
+
+import android.accounts.Account;
+import android.accounts.AccountManager;
+import android.content.Context;
+import android.content.Intent;
+import android.text.Html;
+import android.text.TextUtils;
+import android.util.Patterns;
+
+import org.chromium.base.CalledByNative;
+
+import java.util.HashSet;
+import java.util.Set;
+import java.util.regex.Pattern;
+
+/**
+ * Helper for issuing intents to the android framework.
+ */
+public abstract class IntentHelper {
+
+    private IntentHelper() {}
+
+    /**
+     * Triggers a send email intent.  If no application has registered to receive these intents,
+     * this will fail silently.
+     *
+     * @param context The context for issuing the intent.
+     * @param email The email address to send to.
+     * @param subject The subject of the email.
+     * @param body The body of the email.
+     * @param chooserTitle The title of the activity chooser.
+     */
+    @CalledByNative
+    static void sendEmail(
+            Context context, String email, String subject, String body, String chooserTitle) {
+        Set<String> possibleEmails = new HashSet<String>();
+
+        if (!TextUtils.isEmpty(email)) {
+            possibleEmails.add(email);
+        } else {
+            Pattern emailPattern = Patterns.EMAIL_ADDRESS;
+            Account[] accounts = AccountManager.get(context).getAccounts();
+            for (Account account : accounts) {
+                if (emailPattern.matcher(account.name).matches()) {
+                    possibleEmails.add(account.name);
+                }
+            }
+        }
+
+        Intent send = new Intent(Intent.ACTION_SEND);
+        send.setType("message/rfc822");
+        if (possibleEmails.size() != 0) {
+            send.putExtra(Intent.EXTRA_EMAIL,
+                    possibleEmails.toArray(new String[possibleEmails.size()]));
+        }
+        send.putExtra(Intent.EXTRA_SUBJECT, subject);
+        send.putExtra(Intent.EXTRA_TEXT, Html.fromHtml(body));
+        try {
+            context.startActivity(Intent.createChooser(send, chooserTitle));
+        } catch (android.content.ActivityNotFoundException ex) {
+            // If no app handles it, do nothing.
+        }
+    }
+}