Add UI support in the browser for HTML5 databases
diff --git a/src/com/android/browser/PermissionDialog.java b/src/com/android/browser/PermissionDialog.java
new file mode 100644
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--- /dev/null
+++ b/src/com/android/browser/PermissionDialog.java
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+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.browser;
+
+import android.app.Activity;
+import android.app.Dialog;
+import android.content.Intent;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.Gravity;
+import android.view.KeyEvent;
+import android.view.View;
+import android.view.Window;
+import android.widget.ImageView;
+import android.widget.TextView;
+import android.widget.Toast;
+
+/**
+ * Permission dialog for HTML5
+ * @hide
+ */
+public class PermissionDialog extends Activity {
+
+ private static final String TAG = "PermissionDialog";
+ public static final String PARAM_ORIGIN = "origin";
+ public static final String PARAM_QUOTA = "quota";
+
+ private String mWebStorageOrigin;
+ private long mWebStorageQuota = 0;
+ private int mNotification = 0;
+
+ @Override
+ public void onCreate(Bundle icicle) {
+ super.onCreate(icicle);
+ getParameters();
+ setupDialog();
+ }
+
+ private void getParameters() {
+ Intent intent = getIntent();
+ mWebStorageOrigin = intent.getStringExtra(PARAM_ORIGIN);
+ mWebStorageQuota = intent.getLongExtra(PARAM_QUOTA, 0);
+ }
+
+ private void setupDialog() {
+ requestWindowFeature(Window.FEATURE_NO_TITLE);
+ setContentView(R.layout.permission_dialog);
+
+ setIcon(R.id.icon, android.R.drawable.ic_popup_disk_full);
+ setText(R.id.dialog_title, R.string.query_storage_quota_prompt);
+ setText(R.id.dialog_message, R.string.query_storage_quota_message);
+ setCharSequence(R.id.origin, mWebStorageOrigin);
+
+ setupButton(R.id.button_allow, R.string.permission_button_allow,
+ new View.OnClickListener() {
+ public void onClick(View v) { allow(); }
+ });
+ setupButton(R.id.button_alwaysdeny, R.string.permission_button_alwaysdeny,
+ new View.OnClickListener() {
+ public void onClick(View v) { alwaysdeny(); }
+ });
+ setupButton(R.id.button_deny, R.string.permission_button_deny,
+ new View.OnClickListener() {
+ public void onClick(View v) { deny(); }
+ });
+ }
+
+ private void setText(int viewID, int stringID) {
+ setCharSequence(viewID, getString(stringID));
+ }
+
+ private void setCharSequence(int viewID, CharSequence string) {
+ View view = findViewById(viewID);
+ if (view == null) {
+ return;
+ }
+ view.setVisibility(View.VISIBLE);
+ TextView textView = (TextView) view;
+ textView.setText(string);
+ }
+
+ private void setIcon(int viewID, int imageID) {
+ View view = findViewById(viewID);
+ if (view == null) {
+ return;
+ }
+ view.setVisibility(View.VISIBLE);
+ ImageView icon = (ImageView) view;
+ icon.setImageResource(imageID);
+ }
+
+ private void setupButton(int viewID, int stringID,
+ View.OnClickListener listener) {
+ View view = findViewById(viewID);
+ if (view == null) {
+ return;
+ }
+ setText(viewID, stringID);
+ view.setOnClickListener(listener);
+ }
+
+ private void useNextQuota() {
+ CharSequence[] values = getResources().getTextArray(
+ R.array.webstorage_quota_entries_values);
+ for (int i=0; i<values.length; i++) {
+ long value = Long.parseLong(values[i].toString());
+ value *= (1024 * 1024); // the string array is expressed in MB
+ if (value > mWebStorageQuota) {
+ mWebStorageQuota = value;
+ break;
+ }
+ }
+ }
+
+ private void allow() {
+ // If somehow there is no "next quota" in the ladder,
+ // we'll add 1MB anyway.
+ mWebStorageQuota += 1024*1024;
+ useNextQuota();
+ mNotification = R.string.webstorage_notification;
+ closeDialog();
+ }
+
+ private void alwaysdeny() {
+ // Setting the quota to 0 will prevent any new data to be
+ // added, but the existing data will not be deleted.
+ mWebStorageQuota = 0;
+ mNotification = R.string.webstorage_notification;
+ closeDialog();
+ }
+
+ private void deny() {
+ closeDialog();
+ }
+
+ private void closeDialog() {
+ Intent intent = new Intent();
+ intent.putExtra(PARAM_QUOTA, mWebStorageQuota);
+ setResult(RESULT_OK, intent);
+ showToast();
+ finish();
+ }
+
+ private void showToast() {
+ if (mNotification != 0) {
+ Toast toast = Toast.makeText(this, mNotification, Toast.LENGTH_LONG);
+ toast.setGravity(Gravity.BOTTOM, 0, 0);
+ toast.show();
+ }
+ }
+
+ public boolean dispatchKeyEvent(KeyEvent event) {
+ if ((event.getKeyCode() == KeyEvent.KEYCODE_BACK)
+ && (event.getAction() == KeyEvent.ACTION_DOWN)) {
+ closeDialog();
+ return true; // event consumed
+ }
+ return super.dispatchKeyEvent(event);
+ }
+
+}