Change SWE app properties back to stock Android

- Changed project package name from com.android.swe.browser
back to com.android.browser along with code references to
old package name.
- Changes to AndroidManifest making it conform closer to stock
browser manifest.
- Changed app and apk name back to Browser.

Change-Id: I778ee1d1197bd50bd4a4850eef6d1d7f4ef0ad0b

1 files changed, 226 insertions, 0 deletions

diff --git a/src/com/android/browser/BrowserBackupAgent.java b/src/com/android/browser/BrowserBackupAgent.java
new file mode 100644
index 00000000..0f5fcd8c
--- /dev/null
+++ b/src/com/android/browser/BrowserBackupAgent.java
@@ -0,0 +1,226 @@
+/*
+ * 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.backup.BackupAgent;
+import android.app.backup.BackupDataInput;
+import android.app.backup.BackupDataOutput;
+import android.content.ContentValues;
+import android.database.Cursor;
+import android.os.ParcelFileDescriptor;
+
+import com.android.browser.platformsupport.BrowserContract;
+import com.android.browser.platformsupport.BrowserContract.Bookmarks;
+
+import android.util.Log;
+
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.EOFException;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.zip.CRC32;
+
+/**
+ * Settings backup agent for the Android browser.  Currently the only thing
+ * stored is the set of bookmarks.  It's okay if I/O exceptions are thrown
+ * out of the agent; the calling code handles it and the backup operation
+ * simply fails.
+ *
+ * @hide
+ */
+public class BrowserBackupAgent extends BackupAgent {
+    static final String TAG = "BrowserBackupAgent";
+    static final boolean DEBUG = false;
+
+    static final String BOOKMARK_KEY = "_bookmarks_";
+    /** this version num MUST be incremented if the flattened-file schema ever changes */
+    static final int BACKUP_AGENT_VERSION = 0;
+
+    /**
+     * This simply preserves the existing state as we now prefer Chrome Sync
+     * to handle bookmark backup.
+     */
+    @Override
+    public void onBackup(ParcelFileDescriptor oldState, BackupDataOutput data,
+            ParcelFileDescriptor newState) throws IOException {
+        long savedFileSize = -1;
+        long savedCrc = -1;
+        int savedVersion = -1;
+
+        // Extract the previous bookmark file size & CRC from the saved state
+        DataInputStream in = new DataInputStream(
+                new FileInputStream(oldState.getFileDescriptor()));
+        try {
+            savedFileSize = in.readLong();
+            savedCrc = in.readLong();
+            savedVersion = in.readInt();
+        } catch (EOFException e) {
+            // It means we had no previous state; that's fine
+            return;
+        } finally {
+            if (in != null) {
+                in.close();
+            }
+        }
+        // Write the existing state
+        writeBackupState(savedFileSize, savedCrc, newState);
+    }
+
+    /**
+     * Restore from backup -- reads in the flattened bookmark file as supplied from
+     * the backup service, parses that out, and rebuilds the bookmarks table in the
+     * browser database from it.
+     */
+    @Override
+    public void onRestore(BackupDataInput data, int appVersionCode,
+            ParcelFileDescriptor newState) throws IOException {
+        long crc = -1;
+        File tmpfile = File.createTempFile("rst", null, getFilesDir());
+        try {
+            while (data.readNextHeader()) {
+                if (BOOKMARK_KEY.equals(data.getKey())) {
+                    // Read the flattened bookmark data into a temp file
+                    crc = copyBackupToFile(data, tmpfile, data.getDataSize());
+
+                    FileInputStream infstream = new FileInputStream(tmpfile);
+                    DataInputStream in = new DataInputStream(infstream);
+
+                    try {
+                        int count = in.readInt();
+                        ArrayList<Bookmark> bookmarks = new ArrayList<Bookmark>(count);
+
+                        // Read all the bookmarks, then process later -- if we can't read
+                        // all the data successfully, we don't touch the bookmarks table
+                        for (int i = 0; i < count; i++) {
+                            Bookmark mark = new Bookmark();
+                            mark.url = in.readUTF();
+                            mark.visits = in.readInt();
+                            mark.date = in.readLong();
+                            mark.created = in.readLong();
+                            mark.title = in.readUTF();
+                            bookmarks.add(mark);
+                        }
+
+                        // Okay, we have all the bookmarks -- now see if we need to add
+                        // them to the browser's database
+                        int N = bookmarks.size();
+                        int nUnique = 0;
+                        if (DEBUG) Log.v(TAG, "Restoring " + N + " bookmarks");
+                        String[] urlCol = new String[] { Bookmarks.URL };
+                        for (int i = 0; i < N; i++) {
+                            Bookmark mark = bookmarks.get(i);
+
+                            // Does this URL exist in the bookmark table?
+                            Cursor cursor = getContentResolver().query(
+                                    Bookmarks.CONTENT_URI, urlCol,
+                                    Bookmarks.URL + " == ?",
+                                    new String[] { mark.url }, null);
+                            // if not, insert it
+                            if (cursor.getCount() <= 0) {
+                                if (DEBUG) Log.v(TAG, "Did not see url: " + mark.url);
+                                addBookmark(mark);
+                                nUnique++;
+                            } else {
+                                if (DEBUG) Log.v(TAG, "Skipping extant url: " + mark.url);
+                            }
+                            cursor.close();
+                        }
+                        Log.i(TAG, "Restored " + nUnique + " of " + N + " bookmarks");
+                    } catch (IOException ioe) {
+                        Log.w(TAG, "Bad backup data; not restoring");
+                        crc = -1;
+                    } finally {
+                        if (in != null) {
+                            in.close();
+                        }
+                    }
+                }
+
+                // Last, write the state we just restored from so we can discern
+                // changes whenever we get invoked for backup in the future
+                writeBackupState(tmpfile.length(), crc, newState);
+            }
+        } finally {
+            // Whatever happens, delete the temp file
+            tmpfile.delete();
+        }
+    }
+
+    void addBookmark(Bookmark mark) {
+        ContentValues values = new ContentValues();
+        values.put(Bookmarks.TITLE, mark.title);
+        values.put(Bookmarks.URL, mark.url);
+        values.put(Bookmarks.IS_FOLDER, 0);
+        values.put(Bookmarks.DATE_CREATED, mark.created);
+        values.put(Bookmarks.DATE_MODIFIED, mark.date);
+        getContentResolver().insert(Bookmarks.CONTENT_URI, values);
+    }
+
+    static class Bookmark {
+        public String url;
+        public int visits;
+        public long date;
+        public long created;
+        public String title;
+    }
+    /*
+     * Utility functions
+     */
+
+    // Read the given file from backup to a file, calculating a CRC32 along the way
+    private long copyBackupToFile(BackupDataInput data, File file, int toRead)
+            throws IOException {
+        final int CHUNK = 8192;
+        byte[] buf = new byte[CHUNK];
+        CRC32 crc = new CRC32();
+        FileOutputStream out = new FileOutputStream(file);
+
+        try {
+            while (toRead > 0) {
+                int numRead = data.readEntityData(buf, 0, CHUNK);
+                crc.update(buf, 0, numRead);
+                out.write(buf, 0, numRead);
+                toRead -= numRead;
+            }
+        } finally {
+            if (out != null) {
+                out.close();
+            }
+        }
+        return crc.getValue();
+    }
+
+    // Write the given metrics to the new state file
+    private void writeBackupState(long fileSize, long crc, ParcelFileDescriptor stateFile)
+            throws IOException {
+        DataOutputStream out = new DataOutputStream(
+                new FileOutputStream(stateFile.getFileDescriptor()));
+        try {
+            out.writeLong(fileSize);
+            out.writeLong(crc);
+            out.writeInt(BACKUP_AGENT_VERSION);
+        } finally {
+            if (out != null) {
+                out.close();
+            }
+        }
+    }
+}