auto import from //depot/cupcake/@135843

src/com/android/settings/SettingsLicenseActivity.java

@@ -0,0 +1,123 @@
+/*
+ * Copyright (C) 2007 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.settings;
+
+import android.os.Bundle;
+import android.os.SystemProperties;
+import android.text.TextUtils;
+import android.util.Config;
+import android.util.Log;
+import android.webkit.WebView;
+import android.webkit.WebViewClient;
+import android.widget.Toast;
+
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.zip.GZIPInputStream;
+
+import com.android.internal.app.AlertActivity;
+import com.android.internal.app.AlertController;
+
+/**
+ * The "dialog" that shows from "License" in the Settings app.
+ */
+public class SettingsLicenseActivity extends AlertActivity {
+
+    private static final String TAG = "SettingsLicenseActivity";
+    private static final boolean LOGV = false || Config.LOGV;
+
+    private static final String DEFAULT_LICENSE_PATH = "/system/etc/NOTICE.html.gz";
+    private static final String PROPERTY_LICENSE_PATH = "ro.config.license_path";
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        String fileName = SystemProperties.get(PROPERTY_LICENSE_PATH, DEFAULT_LICENSE_PATH);
+        if (TextUtils.isEmpty(fileName)) {
+            Log.e(TAG, "The system property for the license file is empty.");
+            showErrorAndFinish();
+            return;
+        }
+
+        InputStreamReader inputReader = null;
+        StringBuilder data = null;
+        try {
+            data = new StringBuilder(2048);
+            char tmp[] = new char[2048];
+            int numRead;
+            if (fileName.endsWith(".gz")) {
+                inputReader = new InputStreamReader(
+                    new GZIPInputStream(new FileInputStream(fileName)));
+            } else {
+                inputReader = new FileReader(fileName);
+            }
+            while ((numRead = inputReader.read(tmp)) >= 0) {
+                data.append(tmp, 0, numRead);
+            }
+        } catch (FileNotFoundException e) {
+            Log.e(TAG, "License HTML file not found at " + fileName, e);
+            showErrorAndFinish();
+            return;
+        } catch (IOException e) {
+            Log.e(TAG, "Error reading license HTML file at " + fileName, e);
+            showErrorAndFinish();
+            return;
+        } finally {
+            try {
+                if (inputReader != null) {
+                    inputReader.close();
+                }
+            } catch (IOException e) {
+            }
+        }
+
+        if (TextUtils.isEmpty(data)) {
+            Log.e(TAG, "License HTML is empty (from " + fileName + ")");
+            showErrorAndFinish();
+            return;
+        }
+
+        WebView webView = new WebView(this);
+
+        // Begin the loading.  This will be done in a separate thread in WebView.
+        webView.loadDataWithBaseURL(null, data.toString(), "text/html", "utf-8", null);
+        webView.setWebViewClient(new WebViewClient() {
+            @Override
+            public void onPageFinished(WebView view, String url) {
+                // Change from 'Loading...' to the real title
+                mAlert.setTitle(getString(R.string.settings_license_activity_title));
+            }
+        });
+
+        final AlertController.AlertParams p = mAlertParams;
+        p.mTitle = getString(R.string.settings_license_activity_loading);
+        p.mView = webView;
+        p.mForceInverseBackground = true;
+        setupAlert();
+    }
+
+    private void showErrorAndFinish() {
+        Toast.makeText(this, R.string.settings_license_activity_unavailable, Toast.LENGTH_LONG)
+                .show();
+        finish();
+    }
+
+}