Initial Contribution

1 files changed, 137 insertions, 0 deletions

diff --git a/src/com/android/settings/SettingsLicenseActivity.java b/src/com/android/settings/SettingsLicenseActivity.java
new file mode 100644
index 000000000..82eadca13
--- /dev/null
+++ b/src/com/android/settings/SettingsLicenseActivity.java
@@ -0,0 +1,137 @@
+/*
+ * 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.FileNotFoundException;
+import java.io.FileReader;
+import java.io.IOException;
+import java.io.UnsupportedEncodingException;
+
+import com.android.internal.app.AlertActivity;
+import com.android.internal.app.AlertController;
+
+import org.apache.commons.codec.binary.Base64;
+
+/**
+ * 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";
+    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;
+        }
+
+        FileReader fileReader = null;
+        StringBuilder data = null;
+        try {
+            data = new StringBuilder(2048); 
+            char tmp[] = new char[2048];
+            int numRead;
+            fileReader = new FileReader(fileName);
+            while ((numRead = fileReader.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 (fileReader != null) {
+                    fileReader.close();
+                }
+            } catch (IOException e) {
+            }
+        }
+    
+        if (TextUtils.isEmpty(data)) {
+            Log.e(TAG, "License HTML is empty (from " + fileName + ")");
+            showErrorAndFinish();
+            return;
+        }
+        
+        WebView webView = new WebView(this);
+
+        if (LOGV) Log.v(TAG, "Started encode at " + System.currentTimeMillis());
+        // Need to encode to base64 for WebView to load the contents properly
+        String dataStr;
+        try {
+            byte[] base64Bytes = Base64.encodeBase64(data.toString().getBytes("ISO8859_1"));
+            dataStr = new String(base64Bytes);
+        } catch (UnsupportedEncodingException e) {
+            Log.e(TAG, "Could not convert to base64", e);
+            showErrorAndFinish();
+            return;
+        }
+        if (LOGV) Log.v(TAG, "Ended encode at " + System.currentTimeMillis());
+        if (LOGV) {
+            Log.v(TAG, "Started test decode at " + System.currentTimeMillis());
+            Base64.decodeBase64(dataStr.getBytes());
+            Log.v(TAG, "Ended decode at " + System.currentTimeMillis());
+        }
+
+        
+        // Begin the loading.  This will be done in a separate thread in WebView.
+        webView.loadData(dataStr, "text/html", "base64");
+        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();
+    }
+    
+}