Add UI support in the browser for HTML5 databases
diff --git a/src/com/android/browser/OriginSettings.java b/src/com/android/browser/OriginSettings.java
new file mode 100644
index 0000000..3c7273d
--- /dev/null
+++ b/src/com/android/browser/OriginSettings.java
@@ -0,0 +1,134 @@
+/*
+ * 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.content.Context;
+import android.preference.PreferenceActivity;
+import android.preference.PreferenceScreen;
+import android.util.Log;
+import android.webkit.WebStorage;
+
+/**
+ * Manage the settings for an origin.
+ * We use it to keep track of the HTML5 settings, i.e. database (webstorage).
+ */
+class OriginSettings {
+
+ private String TAG = "OriginSettings";
+ private String mOrigin = null;
+ private long mQuota = 0;
+ private long mUsage = 0;
+ private PreferenceScreen mInfoScreen;
+ private PreferenceScreen mRootScreen;
+ private PreferenceActivity mActivity;
+
+ private static String sMBUsed = null;
+ private static String sNoQuotaLeft = null;
+ private static String sMBLeft = null;
+
+ public OriginSettings(PreferenceActivity activity, String origin) {
+ mOrigin = origin;
+ mUsage = WebStorage.getInstance().getUsageForOrigin(mOrigin);
+ mQuota = WebStorage.getInstance().getQuotaForOrigin(mOrigin);
+ mActivity = activity;
+ if (sMBUsed == null) {
+ sMBUsed = mActivity.getString(
+ R.string.webstorage_origin_summary_mb_used);
+ sNoQuotaLeft = mActivity.getString(
+ R.string.webstorage_origin_summary_no_quota_left);
+ sMBLeft = mActivity.getString(
+ R.string.webstorage_origin_summary_mb_left);
+ }
+ }
+
+ public String getOrigin() {
+ return mOrigin;
+ }
+
+ public long getQuota() {
+ return mQuota;
+ }
+
+ public void setScreen(PreferenceScreen screen) {
+ mInfoScreen = screen;
+ }
+
+ public void setRootScreen(PreferenceScreen screen) {
+ mRootScreen = screen;
+ }
+
+ private String sizeValueToString(long value) {
+ float mb = (float) value / (1024.0F * 1024.0F);
+ int val = (int) (mb * 10);
+ float ret = (float) (val / 10.0F);
+ if (ret <= 0) {
+ return "0";
+ }
+ return String.valueOf(ret);
+ }
+
+ public void updateSummary() {
+ String summary = sizeValueToString(mUsage) + " " + sMBUsed;
+ if ((mQuota <= 0) || ((mQuota - mUsage) <= 0)) {
+ summary += ", " + sNoQuotaLeft;
+ } else {
+ summary += " (" + sizeValueToString(mQuota - mUsage);
+ summary += " " + sMBLeft + ")";
+ }
+ mInfoScreen.setSummary(summary);
+ mActivity.onContentChanged();
+ }
+
+ public void setup() {
+ mInfoScreen.setTitle(mOrigin);
+ mInfoScreen.setKey(mOrigin);
+ updateSummary();
+
+ BrowserQuotaPreference manageSite = new BrowserQuotaPreference(mActivity, this);
+ BrowserYesNoPreference clearAllData = new BrowserYesNoPreference(mActivity, this);
+
+ manageSite.setTitle(R.string.webstorage_manage_quota_title);
+ manageSite.setSummary(R.string.webstorage_manage_quota_summary);
+ manageSite.setKey(BrowserSettings.PREF_MANAGE_QUOTA);
+ manageSite.setEntries(R.array.webstorage_quota_entries);
+ manageSite.setEntryValues(R.array.webstorage_quota_entries_values);
+
+ clearAllData.setTitle(R.string.webstorage_clear_data_title);
+ clearAllData.setSummary(R.string.webstorage_clear_data_summary);
+ clearAllData.setKey(BrowserSettings.PREF_CLEAR_ALL_DATA);
+ clearAllData.setDialogTitle(R.string.webstorage_clear_data_dialog_title);
+ clearAllData.setDialogMessage(R.string.webstorage_clear_data_dialog_message);
+ clearAllData.setDialogIcon(android.R.drawable.ic_dialog_alert);
+
+ mInfoScreen.addPreference(manageSite);
+ mInfoScreen.addPreference(clearAllData);
+ }
+
+ public void setQuota(long quota) {
+ mQuota = quota;
+ WebStorage.getInstance().setQuotaForOrigin(mOrigin, mQuota);
+ mInfoScreen.getDialog().dismiss();
+ updateSummary();
+ }
+
+ public void delete() {
+ WebStorage.getInstance().deleteOrigin(mOrigin);
+ mInfoScreen.removeAll();
+ mRootScreen.removePreference(mInfoScreen);
+ mInfoScreen.getDialog().dismiss();
+ }
+}