1 files changed, 95 insertions, 0 deletions
diff --git a/src/com/android/inputmethod/pinyin/EnglishInputProcessor.java b/src/com/android/inputmethod/pinyin/EnglishInputProcessor.java
new file mode 100644
index 0000000..6d61119
--- /dev/null
+++ b/src/com/android/inputmethod/pinyin/EnglishInputProcessor.java
@@ -0,0 +1,95 @@
+/*
+ * 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.inputmethod.pinyin;
+
+import android.view.KeyEvent;
+import android.view.inputmethod.InputConnection;
+
+/**
+ * Class to handle English input. 
+ */
+public class EnglishInputProcessor {
+
+    private int mLastKeyCode = KeyEvent.KEYCODE_UNKNOWN;
+
+    public boolean processKey(InputConnection inputContext, KeyEvent event,
+            boolean upperCase, boolean realAction) {
+        if (null == inputContext || null == event) return false;
+
+        int keyCode = event.getKeyCode();
+
+        CharSequence prefix = null;
+        prefix = inputContext.getTextBeforeCursor(2, 0);
+
+        int keyChar;
+        keyChar = 0;
+        if (keyCode >= KeyEvent.KEYCODE_A && keyCode <= KeyEvent.KEYCODE_Z) {
+            keyChar = keyCode - KeyEvent.KEYCODE_A + 'a';
+            if (upperCase) {
+                keyChar = keyChar + 'A' - 'a';
+            }
+        } else if (keyCode >= KeyEvent.KEYCODE_0
+                && keyCode <= KeyEvent.KEYCODE_9)
+            keyChar = keyCode - KeyEvent.KEYCODE_0 + '0';
+        else if (keyCode == KeyEvent.KEYCODE_COMMA)
+            keyChar = ',';
+        else if (keyCode == KeyEvent.KEYCODE_PERIOD)
+            keyChar = '.';
+        else if (keyCode == KeyEvent.KEYCODE_APOSTROPHE)
+            keyChar = '\'';
+        else if (keyCode == KeyEvent.KEYCODE_AT)
+            keyChar = '@';
+        else if (keyCode == KeyEvent.KEYCODE_SLASH) keyChar = '/';
+
+        if (0 == keyChar) {
+            mLastKeyCode = keyCode;
+
+            String insert = null;
+            if (KeyEvent.KEYCODE_DEL == keyCode) {
+                if (realAction)  {
+                    inputContext.deleteSurroundingText(1, 0);
+                }
+            } else if (KeyEvent.KEYCODE_ENTER == keyCode) {
+                insert = "\n";
+            } else if (KeyEvent.KEYCODE_SPACE == keyCode) {
+                insert = " ";
+            } else {
+                return false;
+            }
+
+            if (null != insert && realAction)
+                inputContext.commitText(insert, insert.length());
+
+            return true;
+        }
+
+        if (!realAction)
+            return true;
+
+        if (KeyEvent.KEYCODE_SHIFT_LEFT == mLastKeyCode
+                || KeyEvent.KEYCODE_SHIFT_LEFT == mLastKeyCode) {
+            if (keyChar >= 'a' && keyChar <= 'z')
+                keyChar = keyChar - 'a' + 'A';
+        } else if (KeyEvent.KEYCODE_ALT_LEFT == mLastKeyCode) {
+        }
+
+        String result = String.valueOf((char) keyChar);
+        inputContext.commitText(result, result.length());
+        mLastKeyCode = keyCode;
+        return true;
+    }
+}