Move settings related classes to "settings"

Change-Id: Id170dbfe2dcfc93130b7be4a84615940403ec37f

1 files changed, 189 insertions, 0 deletions

diff --git a/java/src/com/android/inputmethod/latin/debug/ExternalDictionaryGetterForDebug.java b/java/src/com/android/inputmethod/latin/debug/ExternalDictionaryGetterForDebug.java
new file mode 100644
index 000000000..028f78a87
--- /dev/null
+++ b/java/src/com/android/inputmethod/latin/debug/ExternalDictionaryGetterForDebug.java
@@ -0,0 +1,189 @@
+/*
+ * Copyright (C) 2013 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.inputmethod.latin.debug;
+
+import android.app.AlertDialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.DialogInterface.OnCancelListener;
+import android.content.DialogInterface.OnClickListener;
+import android.os.Environment;
+
+import com.android.inputmethod.latin.BinaryDictionaryFileDumper;
+import com.android.inputmethod.latin.BinaryDictionaryGetter;
+import com.android.inputmethod.latin.R;
+import com.android.inputmethod.latin.makedict.FormatSpec.FileHeader;
+import com.android.inputmethod.latin.utils.CollectionUtils;
+import com.android.inputmethod.latin.utils.DictionaryInfoUtils;
+import com.android.inputmethod.latin.utils.LocaleUtils;
+
+import java.io.BufferedInputStream;
+import java.io.BufferedOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Locale;
+
+/**
+ * A class to read a local file as a dictionary for debugging purposes.
+ */
+public class ExternalDictionaryGetterForDebug {
+    private static final String SOURCE_FOLDER = Environment.getExternalStorageDirectory().getPath()
+            + "/Download";
+
+    private static String[] findDictionariesInTheDownloadedFolder() {
+        final File[] files = new File(SOURCE_FOLDER).listFiles();
+        final ArrayList<String> eligibleList = CollectionUtils.newArrayList();
+        for (File f : files) {
+            final FileHeader header = DictionaryInfoUtils.getDictionaryFileHeaderOrNull(f);
+            if (null == header) continue;
+            eligibleList.add(f.getName());
+        }
+        return eligibleList.toArray(new String[0]);
+    }
+
+    public static void chooseAndInstallDictionary(final Context context) {
+        final String[] fileNames = findDictionariesInTheDownloadedFolder();
+        if (0 == fileNames.length) {
+            showNoFileDialog(context);
+        } else if (1 == fileNames.length) {
+            askInstallFile(context, SOURCE_FOLDER, fileNames[0], null /* completeRunnable */);
+        } else {
+            showChooseFileDialog(context, fileNames);
+        }
+    }
+
+    private static void showNoFileDialog(final Context context) {
+        new AlertDialog.Builder(context)
+                .setMessage(R.string.read_external_dictionary_no_files_message)
+                .setPositiveButton(android.R.string.ok, new OnClickListener() {
+                    @Override
+                    public void onClick(final DialogInterface dialog, final int which) {
+                        dialog.dismiss();
+                    }
+                }).create().show();
+    }
+
+    private static void showChooseFileDialog(final Context context, final String[] fileNames) {
+        final AlertDialog.Builder builder = new AlertDialog.Builder(context);
+        builder.setTitle(R.string.read_external_dictionary_multiple_files_title)
+                .setItems(fileNames, new OnClickListener() {
+                    @Override
+                    public void onClick(final DialogInterface dialog, final int which) {
+                        askInstallFile(context, SOURCE_FOLDER, fileNames[which],
+                                null /* completeRunnable */);
+                    }
+                })
+                .create().show();
+    }
+
+    /**
+     * Shows a dialog which offers the user to install the external dictionary.
+     */
+    public static void askInstallFile(final Context context, final String dirPath,
+            final String fileName, final Runnable completeRunnable) {
+        final File file = new File(dirPath, fileName.toString());
+        final FileHeader header = DictionaryInfoUtils.getDictionaryFileHeaderOrNull(file);
+        final StringBuilder message = new StringBuilder();
+        final String locale = header.getLocaleString();
+        for (String key : header.mDictionaryOptions.mAttributes.keySet()) {
+            message.append(key + " = " + header.mDictionaryOptions.mAttributes.get(key));
+            message.append("\n");
+        }
+        final String languageName = LocaleUtils.constructLocaleFromString(locale)
+                .getDisplayName(Locale.getDefault());
+        final String title = String.format(
+                context.getString(R.string.read_external_dictionary_confirm_install_message),
+                languageName);
+        new AlertDialog.Builder(context)
+                .setTitle(title)
+                .setMessage(message)
+                .setNegativeButton(android.R.string.cancel, new OnClickListener() {
+                    @Override
+                    public void onClick(final DialogInterface dialog, final int which) {
+                        dialog.dismiss();
+                        if (completeRunnable != null) {
+                            completeRunnable.run();
+                        }
+                    }
+                }).setPositiveButton(android.R.string.ok, new OnClickListener() {
+                    @Override
+                    public void onClick(final DialogInterface dialog, final int which) {
+                        installFile(context, file, header);
+                        dialog.dismiss();
+                        if (completeRunnable != null) {
+                            completeRunnable.run();
+                        }
+                    }
+                }).setOnCancelListener(new OnCancelListener() {
+                    @Override
+                    public void onCancel(DialogInterface dialog) {
+                        // Canceled by the user by hitting the back key
+                        if (completeRunnable != null) {
+                            completeRunnable.run();
+                        }
+                    }
+                }).create().show();
+    }
+
+    private static void installFile(final Context context, final File file,
+            final FileHeader header) {
+        BufferedOutputStream outputStream = null;
+        File tempFile = null;
+        try {
+            final String locale = header.getLocaleString();
+            // Create the id for a main dictionary for this locale
+            final String id = BinaryDictionaryGetter.MAIN_DICTIONARY_CATEGORY
+                    + BinaryDictionaryGetter.ID_CATEGORY_SEPARATOR + locale;
+            final String finalFileName = DictionaryInfoUtils.getCacheFileName(id, locale, context);
+            final String tempFileName = BinaryDictionaryGetter.getTempFileName(id, context);
+            tempFile = new File(tempFileName);
+            tempFile.delete();
+            outputStream = new BufferedOutputStream(new FileOutputStream(tempFile));
+            final BufferedInputStream bufferedStream = new BufferedInputStream(
+                    new FileInputStream(file));
+            BinaryDictionaryFileDumper.checkMagicAndCopyFileTo(bufferedStream, outputStream);
+            outputStream.flush();
+            final File finalFile = new File(finalFileName);
+            finalFile.delete();
+            if (!tempFile.renameTo(finalFile)) {
+                throw new IOException("Can't move the file to its final name");
+            }
+        } catch (IOException e) {
+            // There was an error: show a dialog
+            new AlertDialog.Builder(context)
+                    .setTitle(R.string.error)
+                    .setMessage(e.toString())
+                    .setPositiveButton(android.R.string.ok, new OnClickListener() {
+                        @Override
+                        public void onClick(final DialogInterface dialog, final int which) {
+                            dialog.dismiss();
+                        }
+                    }).create().show();
+            return;
+        } finally {
+            try {
+                if (null != outputStream) outputStream.close();
+                if (null != tempFile) tempFile.delete();
+            } catch (IOException e) {
+                // Don't do anything
+            }
+        }
+    }
+}