InputConnectionWrapper.java revision cf9cf2f40efc4ccf3f73e6fdb07725d9c00c4f91 
1/*
2 * Copyright (C) 2007-2008 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
5 * use this file except in compliance with the License. You may obtain a copy of
6 * the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13 * License for the specific language governing permissions and limitations under
14 * the License.
15 */
16
17package android.view.inputmethod;
18
19import android.os.Bundle;
20import android.view.KeyEvent;
21
22/**
23 * <p>Wrapper class for proxying calls to another InputConnection.  Subclass
24 * and have fun!
25 */
26public class InputConnectionWrapper implements InputConnection {
27    private InputConnection mTarget;
28    final boolean mMutable;
29
30    public InputConnectionWrapper(InputConnection target, boolean mutable) {
31        mMutable = mutable;
32        mTarget = target;
33    }
34
35    /**
36     * Change the target of the input connection.
37     */
38    public void setTarget(InputConnection target) {
39        if (mTarget != null && !mMutable) {
40            throw new SecurityException("not mutable");
41        }
42        mTarget = target;
43    }
44
45    public CharSequence getTextBeforeCursor(int n, int flags) {
46        return mTarget.getTextBeforeCursor(n, flags);
47    }
48
49    public CharSequence getTextAfterCursor(int n, int flags) {
50        return mTarget.getTextAfterCursor(n, flags);
51    }
52
53    public CharSequence getSelectedText(int flags) {
54        return mTarget.getSelectedText(flags);
55    }
56
57    public int getCursorCapsMode(int reqModes) {
58        return mTarget.getCursorCapsMode(reqModes);
59    }
60
61    public ExtractedText getExtractedText(ExtractedTextRequest request,
62            int flags) {
63        return mTarget.getExtractedText(request, flags);
64    }
65
66    public boolean deleteSurroundingText(int leftLength, int rightLength) {
67        return mTarget.deleteSurroundingText(leftLength, rightLength);
68    }
69
70    public boolean setComposingText(CharSequence text, int newCursorPosition) {
71        return mTarget.setComposingText(text, newCursorPosition);
72    }
73
74    public boolean setComposingRegion(int start, int end) {
75        return mTarget.setComposingRegion(start, end);
76    }
77
78    public boolean finishComposingText() {
79        return mTarget.finishComposingText();
80    }
81
82    public boolean commitText(CharSequence text, int newCursorPosition) {
83        return mTarget.commitText(text, newCursorPosition);
84    }
85
86    public boolean commitCompletion(CompletionInfo text) {
87        return mTarget.commitCompletion(text);
88    }
89
90    public boolean commitCorrection(CorrectionInfo correctionInfo) {
91        return mTarget.commitCorrection(correctionInfo);
92    }
93
94    public boolean setSelection(int start, int end) {
95        return mTarget.setSelection(start, end);
96    }
97
98    public boolean performEditorAction(int editorAction) {
99        return mTarget.performEditorAction(editorAction);
100    }
101
102    public boolean performContextMenuAction(int id) {
103        return mTarget.performContextMenuAction(id);
104    }
105
106    public boolean beginBatchEdit() {
107        return mTarget.beginBatchEdit();
108    }
109
110    public boolean endBatchEdit() {
111        return mTarget.endBatchEdit();
112    }
113
114    public boolean sendKeyEvent(KeyEvent event) {
115        return mTarget.sendKeyEvent(event);
116    }
117
118    public boolean clearMetaKeyStates(int states) {
119        return mTarget.clearMetaKeyStates(states);
120    }
121
122    public boolean reportFullscreenMode(boolean enabled) {
123        return mTarget.reportFullscreenMode(enabled);
124    }
125
126    public boolean performPrivateCommand(String action, Bundle data) {
127        return mTarget.performPrivateCommand(action, data);
128    }
129}
130