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[Dictionary.git] / src / com / hughes / android / dictionary / DictionaryManagerActivity.java
index 3ca7a6d9a8b1c6a5826fcb92fbb3c7f636a5049a..faf507da40dca60fd84a5ab53b1f551da1c4c5e1 100644 (file)
@@ -19,7 +19,6 @@ import android.app.AlertDialog;
 import android.app.DownloadManager;
 import android.app.DownloadManager.Request;
 import android.content.BroadcastReceiver;
-import android.content.ContentResolver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
@@ -28,22 +27,23 @@ import android.content.SharedPreferences.Editor;
 import android.content.pm.PackageManager;
 import android.database.Cursor;
 import android.net.Uri;
+import android.os.Build;
 import android.os.Bundle;
 import android.os.Environment;
 import android.os.Handler;
-import android.preference.PreferenceManager;
+import android.support.v7.preference.PreferenceManager;
 import android.provider.Settings;
+import android.support.annotation.NonNull;
 import android.support.v4.app.ActivityCompat;
 import android.support.v4.content.ContextCompat;
 import android.support.v4.view.MenuItemCompat;
 import android.support.v7.app.ActionBar;
-import android.support.v7.app.ActionBarActivity;
+import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.SearchView;
 import android.support.v7.widget.SearchView.OnQueryTextListener;
 import android.support.v7.widget.Toolbar;
 import android.text.InputType;
 import android.util.Log;
-import android.util.TypedValue;
 import android.view.ContextMenu;
 import android.view.ContextMenu.ContextMenuInfo;
 import android.view.LayoutInflater;
@@ -53,7 +53,6 @@ import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.ViewGroup;
 import android.view.inputmethod.EditorInfo;
-import android.view.inputmethod.InputMethodManager;
 import android.widget.AdapterView.AdapterContextMenuInfo;
 import android.widget.BaseAdapter;
 import android.widget.Button;
@@ -77,7 +76,6 @@ import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
-import java.io.OutputStream;
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.nio.ByteBuffer;
@@ -86,17 +84,17 @@ import java.util.Collections;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
+import java.util.regex.Pattern;
 import java.util.zip.ZipEntry;
-import java.util.zip.ZipFile;
 import java.util.zip.ZipInputStream;
 
 // Right-click:
 //  Delete, move to top.
 
-public class DictionaryManagerActivity extends ActionBarActivity {
+public class DictionaryManagerActivity extends AppCompatActivity {
 
-    static final String LOG = "QuickDic";
-    static boolean blockAutoLaunch = false;
+    private static final String LOG = "QuickDic";
+    private static boolean blockAutoLaunch = false;
 
     private ListView listView;
     private ListView getListView() {
@@ -113,19 +111,19 @@ public class DictionaryManagerActivity extends ActionBarActivity {
     }
 
     // For DownloadManager bug workaround
-    private Set<Long> finishedDownloadIds = new HashSet<Long>();
+    private final Set<Long> finishedDownloadIds = new HashSet<>();
 
-    DictionaryApplication application;
+    private DictionaryApplication application;
 
-    SearchView filterSearchView;
-    ToggleButton showDownloadable;
+    private SearchView filterSearchView;
+    private ToggleButton showDownloadable;
 
-    LinearLayout dictionariesOnDeviceHeaderRow;
-    LinearLayout downloadableDictionariesHeaderRow;
+    private LinearLayout dictionariesOnDeviceHeaderRow;
+    private LinearLayout downloadableDictionariesHeaderRow;
 
-    Handler uiHandler;
+    private Handler uiHandler;
 
-    Runnable dictionaryUpdater = new Runnable() {
+    private final Runnable dictionaryUpdater = new Runnable() {
         @Override
         public void run() {
             if (uiHandler == null) {
@@ -134,17 +132,20 @@ public class DictionaryManagerActivity extends ActionBarActivity {
             uiHandler.post(new Runnable() {
                 @Override
                 public void run() {
-                    setMyListAdapater();
+                    setMyListAdapter();
                 }
             });
         }
     };
 
-    final BroadcastReceiver broadcastReceiver = new BroadcastReceiver() {
+    private final BroadcastReceiver broadcastReceiver = new BroadcastReceiver() {
         @Override
         public synchronized void onReceive(Context context, Intent intent) {
             final String action = intent.getAction();
 
+            if (DownloadManager.ACTION_NOTIFICATION_CLICKED.equals(action)) {
+                startActivity(getLaunchIntent(getApplicationContext()).addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TOP));
+            }
             if (DownloadManager.ACTION_DOWNLOAD_COMPLETE.equals(action)) {
                 final long downloadId = intent.getLongExtra(
                                             DownloadManager.EXTRA_DOWNLOAD_ID, 0);
@@ -224,15 +225,24 @@ public class DictionaryManagerActivity extends ActionBarActivity {
                 }
             }
             zipFile = new ZipInputStream(new BufferedInputStream(zipFileStream));
-            final ZipEntry zipEntry = zipFile.getNextEntry();
-            Log.d(LOG, "Unzipping entry: " + zipEntry.getName());
-            File targetFile = new File(application.getDictDir(), zipEntry.getName());
-            if (targetFile.exists()) {
-                targetFile.renameTo(new File(targetFile.getAbsolutePath().replace(".quickdic", ".bak.quickdic")));
-                targetFile = new File(application.getDictDir(), zipEntry.getName());
+            ZipEntry zipEntry;
+            while ((zipEntry = zipFile.getNextEntry()) != null) {
+                // Note: this check prevents security issues like accidental path
+                // traversal, which unfortunately ZipInputStream has no protection against.
+                // So take extra care when changing it.
+                if (!Pattern.matches("[-A-Za-z]+\\.quickdic", zipEntry.getName())) {
+                    Log.w(LOG, "Invalid zip entry: " + zipEntry.getName());
+                    continue;
+                }
+                Log.d(LOG, "Unzipping entry: " + zipEntry.getName());
+                File targetFile = new File(application.getDictDir(), zipEntry.getName());
+                if (targetFile.exists()) {
+                    targetFile.renameTo(new File(targetFile.getAbsolutePath().replace(".quickdic", ".bak.quickdic")));
+                    targetFile = new File(application.getDictDir(), zipEntry.getName());
+                }
+                zipOut = new FileOutputStream(targetFile);
+                copyStream(zipFile, zipOut);
             }
-            zipOut = new FileOutputStream(targetFile);
-            copyStream(zipFile, zipOut);
             application.backgroundUpdateDictionaries(dictionaryUpdater);
             if (!isFinishing())
                 Toast.makeText(context, getString(R.string.installationFinished, dest),
@@ -249,14 +259,15 @@ public class DictionaryManagerActivity extends ActionBarActivity {
         } finally {
             try {
                 if (zipOut != null) zipOut.close();
-            } catch (IOException e) {}
+            } catch (IOException ignored) {}
             try {
                 if (zipFile != null) zipFile.close();
-            } catch (IOException e) {}
+            } catch (IOException ignored) {}
             try {
                 if (zipFileStream != null) zipFileStream.close();
-            } catch (IOException e) {}
-            if (localZipFile != null && delete) localZipFile.delete();
+            } catch (IOException ignored) {}
+            if (localZipFile != null && delete) //noinspection ResultOfMethodCallIgnored
+                localZipFile.delete();
         }
         return result;
     }
@@ -267,7 +278,7 @@ public class DictionaryManagerActivity extends ActionBarActivity {
         return intent;
     }
 
-    public void readableCheckAndError(boolean requestPermission) {
+    private void readableCheckAndError(boolean requestPermission) {
         final File dictDir = application.getDictDir();
         if (dictDir.canRead() && dictDir.canExecute()) return;
         blockAutoLaunch = true;
@@ -292,12 +303,12 @@ public class DictionaryManagerActivity extends ActionBarActivity {
     }
 
     @Override
-    public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) {
+    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
         readableCheckAndError(false);
 
         application.backgroundUpdateDictionaries(dictionaryUpdater);
 
-        setMyListAdapater();
+        setMyListAdapter();
     }
 
     @Override
@@ -335,6 +346,9 @@ public class DictionaryManagerActivity extends ActionBarActivity {
             }
         });
 
+        /*
+        Disable version update notification, I don't maintain the text really
+        and I don't think it is very useful.
         final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
         final String thanksForUpdatingLatestVersion = getString(R.string.thanksForUpdatingVersion);
         if (!prefs.getString(C.THANKS_FOR_UPDATING_VERSION, "").equals(
@@ -344,11 +358,12 @@ public class DictionaryManagerActivity extends ActionBarActivity {
             prefs.edit().putString(C.THANKS_FOR_UPDATING_VERSION, thanksForUpdatingLatestVersion)
             .commit();
         }
+        */
+        IntentFilter downloadManagerIntents = new IntentFilter(DownloadManager.ACTION_DOWNLOAD_COMPLETE);
+        downloadManagerIntents.addAction(DownloadManager.ACTION_NOTIFICATION_CLICKED);
+        registerReceiver(broadcastReceiver, downloadManagerIntents);
 
-        registerReceiver(broadcastReceiver, new IntentFilter(
-                             DownloadManager.ACTION_DOWNLOAD_COMPLETE));
-
-        setMyListAdapater();
+        setMyListAdapter();
         registerForContextMenu(getListView());
         getListView().setItemsCanFocus(true);
 
@@ -398,7 +413,7 @@ public class DictionaryManagerActivity extends ActionBarActivity {
 
             @Override
             public boolean onQueryTextChange(String filterText) {
-                setMyListAdapater();
+                setMyListAdapter();
                 return true;
             }
         });
@@ -482,7 +497,7 @@ public class DictionaryManagerActivity extends ActionBarActivity {
 
         application.backgroundUpdateDictionaries(dictionaryUpdater);
 
-        setMyListAdapater();
+        setMyListAdapter();
     }
 
     @Override
@@ -496,7 +511,7 @@ public class DictionaryManagerActivity extends ActionBarActivity {
         sort.setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
             public boolean onMenuItemClick(final MenuItem menuItem) {
                 application.sortDictionaries();
-                setMyListAdapater();
+                setMyListAdapter();
                 return true;
             }
         });
@@ -507,7 +522,7 @@ public class DictionaryManagerActivity extends ActionBarActivity {
             public boolean onMenuItemClick(final MenuItem menuItem) {
                 final Intent intent = new Intent(Intent.ACTION_VIEW);
                 intent.setData(Uri
-                               .parse("https://github.com/rdoeffinger/Dictionary/releases/v0.2-dictionaries"));
+                               .parse("https://github.com/rdoeffinger/Dictionary/releases/v0.3-dictionaries"));
                 startActivity(intent);
                 return false;
             }
@@ -540,7 +555,7 @@ public class DictionaryManagerActivity extends ActionBarActivity {
                 @Override
                 public boolean onMenuItemClick(android.view.MenuItem item) {
                     application.moveDictionaryToTop(row.dictionaryInfo);
-                    setMyListAdapater();
+                    setMyListAdapter();
                     return true;
                 }
             });
@@ -553,7 +568,7 @@ public class DictionaryManagerActivity extends ActionBarActivity {
                 @Override
                 public boolean onMenuItemClick(android.view.MenuItem item) {
                     application.deleteDictionary(row.dictionaryInfo);
-                    setMyListAdapater();
+                    setMyListAdapter();
                     return true;
                 }
             });
@@ -561,7 +576,7 @@ public class DictionaryManagerActivity extends ActionBarActivity {
     }
 
     private void onShowDownloadableChanged() {
-        setMyListAdapater();
+        setMyListAdapter();
         Editor prefs = PreferenceManager.getDefaultSharedPreferences(this).edit();
         prefs.putBoolean(C.SHOW_DOWNLOADABLE, showDownloadable.isChecked());
         prefs.commit();
@@ -569,12 +584,12 @@ public class DictionaryManagerActivity extends ActionBarActivity {
 
     class MyListAdapter extends BaseAdapter {
 
-        List<DictionaryInfo> dictionariesOnDevice;
-        List<DictionaryInfo> downloadableDictionaries;
+        final List<DictionaryInfo> dictionariesOnDevice;
+        final List<DictionaryInfo> downloadableDictionaries;
 
         class Row {
-            DictionaryInfo dictionaryInfo;
-            boolean onDevice;
+            final DictionaryInfo dictionaryInfo;
+            final boolean onDevice;
 
             private Row(DictionaryInfo dictionaryInfo, boolean onDevice) {
                 this.dictionaryInfo = dictionaryInfo;
@@ -655,13 +670,53 @@ public class DictionaryManagerActivity extends ActionBarActivity {
 
     }
 
-    private void setMyListAdapater() {
+    private void setMyListAdapter() {
         final String filter = filterSearchView == null ? "" : filterSearchView.getQuery()
                               .toString();
         final String[] filters = filter.trim().toLowerCase().split("(\\s|-)+");
         setListAdapter(new MyListAdapter(filters));
     }
 
+    private boolean isDownloadActive(String downloadUrl, boolean cancel) {
+        DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
+        final DownloadManager.Query query = new DownloadManager.Query();
+        query.setFilterByStatus(DownloadManager.STATUS_PAUSED | DownloadManager.STATUS_PENDING | DownloadManager.STATUS_RUNNING);
+        final Cursor cursor = downloadManager.query(query);
+
+        // Due to a bug, cursor is null instead of empty when
+        // the download manager is disabled.
+        if (cursor == null) {
+            if (cancel) {
+                String msg = getString(R.string.downloadManagerQueryFailed);
+                new AlertDialog.Builder(this).setTitle(getString(R.string.error))
+                .setMessage(getString(R.string.downloadFailed, msg))
+                .setNeutralButton("Close", null).show();
+            }
+            return cancel;
+        }
+
+        String destFile;
+        try {
+            destFile = new File(new URL(downloadUrl).getPath()).getName();
+        } catch (MalformedURLException e) {
+            throw new RuntimeException("Invalid download URL!", e);
+        }
+        while (cursor.moveToNext()) {
+            if (downloadUrl.equals(cursor.getString(cursor.getColumnIndex(DownloadManager.COLUMN_URI))))
+                break;
+            if (destFile.equals(cursor.getString(cursor.getColumnIndex(DownloadManager.COLUMN_TITLE))))
+                break;
+        }
+        boolean active = !cursor.isAfterLast();
+        if (active && cancel) {
+            long downloadId = cursor.getLong(cursor.getColumnIndex(DownloadManager.COLUMN_ID));
+            finishedDownloadIds.add(downloadId);
+            downloadManager.remove(downloadId);
+        }
+        cursor.close();
+        return active;
+    }
+
     private View createDictionaryRow(final DictionaryInfo dictionaryInfo,
                                      final ViewGroup parent, View row, boolean canLaunch) {
 
@@ -694,6 +749,9 @@ public class DictionaryManagerActivity extends ActionBarActivity {
                 }
             });
             downloadButton.setVisibility(View.VISIBLE);
+
+            if (isDownloadActive(downloadable.downloadUrl, false))
+                downloadButton.setText("X");
         } else {
             downloadButton.setVisibility(View.GONE);
         }
@@ -716,8 +774,8 @@ public class DictionaryManagerActivity extends ActionBarActivity {
                 continue;
             }
             final IndexInfo indexInfo = sortedIndexInfos.get(i);
-            final View button = IsoUtils.INSTANCE.setupButton(textButton, imageButton, dictionaryInfo,
-                                indexInfo, application.languageButtonPixels);
+            final View button = IsoUtils.INSTANCE.setupButton(textButton, imageButton,
+                    indexInfo);
 
             if (canLaunch) {
                 button.setOnClickListener(
@@ -760,49 +818,28 @@ public class DictionaryManagerActivity extends ActionBarActivity {
     }
 
     private synchronized void downloadDictionary(final String downloadUrl, long bytes, Button downloadButton) {
-        String destFile;
-        try {
-            destFile = new File(new URL(downloadUrl).getPath()).getName();
-        } catch (MalformedURLException e) {
-            throw new RuntimeException("Invalid download URL!", e);
-        }
-        DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
-        final DownloadManager.Query query = new DownloadManager.Query();
-        query.setFilterByStatus(DownloadManager.STATUS_PAUSED | DownloadManager.STATUS_PENDING | DownloadManager.STATUS_RUNNING);
-        final Cursor cursor = downloadManager.query(query);
-
-        // Due to a bug, cursor is null instead of empty when
-        // the download manager is disabled.
-        if (cursor == null) {
-            String msg = getString(R.string.downloadManagerQueryFailed);
-            new AlertDialog.Builder(DictionaryManagerActivity.this).setTitle(getString(R.string.error))
-            .setMessage(getString(R.string.downloadFailed, msg))
-            .setNeutralButton("Close", null).show();
-            return;
-        }
-
-        while (cursor.moveToNext()) {
-            if (downloadUrl.equals(cursor.getString(cursor.getColumnIndex(DownloadManager.COLUMN_URI))))
-                break;
-            if (destFile.equals(cursor.getString(cursor.getColumnIndex(DownloadManager.COLUMN_TITLE))))
-                break;
-        }
-        if (!cursor.isAfterLast()) {
-            downloadManager.remove(cursor.getLong(cursor.getColumnIndex(DownloadManager.COLUMN_ID)));
+        if (isDownloadActive(downloadUrl, true)) {
             downloadButton
             .setText(getString(
                          R.string.downloadButton,
                          bytes / 1024.0 / 1024.0));
-            cursor.close();
             return;
         }
-        cursor.close();
-        Request request = new Request(
-            Uri.parse(downloadUrl));
+        // API 19 and earlier have issues with github URLs, both http and https.
+        // Really old (~API 10) DownloadManager cannot handle https at all.
+        // Work around both with in one.
+        String altUrl = downloadUrl.replace("https://github.com/rdoeffinger/Dictionary/releases/download/v0.2-dictionaries/", "http://ffmpeg.org/~reimar/dict/");
+        altUrl = altUrl.replace("https://github.com/rdoeffinger/Dictionary/releases/download/v0.3-dictionaries/", "http://ffmpeg.org/~reimar/dict/");
+        Request request = new Request(Uri.parse(Build.VERSION.SDK_INT < 21 ? altUrl : downloadUrl));
 
+        String destFile;
+        try {
+            destFile = new File(new URL(downloadUrl).getPath()).getName();
+        } catch (MalformedURLException e) {
+            throw new RuntimeException("Invalid download URL!", e);
+        }
         Log.d(LOG, "Downloading to: " + destFile);
         request.setTitle(destFile);
-
         File destFilePath = new File(application.getDictDir(), destFile);
         destFilePath.delete();
         try {
@@ -810,6 +847,16 @@ public class DictionaryManagerActivity extends ActionBarActivity {
         } catch (Exception e) {
         }
 
+        DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
+
+        if (downloadManager == null) {
+            String msg = getString(R.string.downloadManagerQueryFailed);
+            new AlertDialog.Builder(this).setTitle(getString(R.string.error))
+                    .setMessage(getString(R.string.downloadFailed, msg))
+                    .setNeutralButton("Close", null).show();
+            return;
+        }
+
         try {
             downloadManager.enqueue(request);
         } catch (SecurityException e) {