Browser: add to support new folder/bookmark function

Let browser's bookmark management support new folder/bookmark
through press menu.

Change-Id: Ic676bd76d27e9350d56d65a79f9a8a7d549f9069

1 files changed, 93 insertions, 0 deletions

diff --git a/src/com/android/browser/BrowserUtils.java b/src/com/android/browser/BrowserUtils.java
new file mode 100644
index 00000000..e1a36002
--- /dev/null
+++ b/src/com/android/browser/BrowserUtils.java
@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2013, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *         copyright notice, this list of conditions and the following
+ *         disclaimer in the documentation and/or other materials provided
+ *         with the distribution.
+ *     * Neither the name of The Linux Foundation nor the names of its
+ *         contributors may be used to endorse or promote products derived
+ *         from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package com.android.browser;
+
+import android.app.AlertDialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.text.InputFilter;
+import android.text.Spanned;
+import android.util.Log;
+import android.widget.EditText;
+
+public class BrowserUtils {
+
+    private static final String LOGTAG = "BrowserUtils";
+    public static final int FILENAME_MAX_LENGTH = 32;
+    public static final int ADDRESS_MAX_LENGTH = 2048;
+    private static AlertDialog.Builder mAlertDialog = null;
+
+    public static void maxLengthFilter(final Context context, final EditText editText,
+            final int max_length) {
+        InputFilter[] contentFilters = new InputFilter[1];
+        contentFilters[0] = new InputFilter.LengthFilter(max_length) {
+            public CharSequence filter(CharSequence source, int start, int end,
+                    Spanned dest, int dstart, int dend) {
+                int keep = max_length - (dest.length() - (dend - dstart));
+                if (keep <= 0) {
+                    showWarningDialog(context, max_length);
+                    return "";
+                } else if (keep >= end - start) {
+                    return null;
+                } else {
+                    if (keep < source.length()) {
+                        showWarningDialog(context, max_length);
+                    }
+                    return source.subSequence(start, start + keep);
+                }
+            }
+        };
+        editText.setFilters(contentFilters);
+    }
+
+    private static void showWarningDialog(final Context context, int max_length) {
+        if (mAlertDialog != null)
+            return;
+
+        mAlertDialog = new AlertDialog.Builder(context);
+        mAlertDialog.setTitle(R.string.browser_max_input_title)
+                .setIcon(android.R.drawable.ic_dialog_info)
+                .setMessage(context.getString(R.string.browser_max_input, max_length))
+                .setPositiveButton(R.string.ok,
+                        new DialogInterface.OnClickListener() {
+                            public void onClick(DialogInterface dialog, int which) {
+                                return;
+                            }
+                        })
+                .show()
+                .setOnDismissListener(new DialogInterface.OnDismissListener() {
+                    public void onDismiss(DialogInterface dialog) {
+                        Log.w("BrowserUtils", "onDismiss");
+                        mAlertDialog = null;
+                        return;
+                    }
+                });
+    }
+}