1/*
2 * Copyright (C) 2010 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include "config.h"
32#include "TextInputController.h"
33
34#include "TestShell.h"
35#include "WebBindings.h"
36#include "WebCompositionUnderline.h"
37#include "WebFrame.h"
38#include "WebRange.h"
39#include "WebString.h"
40#include "WebVector.h"
41#include "WebView.h"
42#include <wtf/StringExtras.h>
43#include <string>
44
45using namespace WebKit;
46
47TestShell* TextInputController::testShell = 0;
48
49TextInputController::TextInputController(TestShell* shell)
50{
51    // Set static testShell variable. Be careful not to assign testShell to new
52    // windows which are temporary.
53    if (!testShell)
54        testShell = shell;
55
56    bindMethod("attributedSubstringFromRange", &TextInputController::attributedSubstringFromRange);
57    bindMethod("characterIndexForPoint", &TextInputController::characterIndexForPoint);
58    bindMethod("conversationIdentifier", &TextInputController::conversationIdentifier);
59    bindMethod("doCommand", &TextInputController::doCommand);
60    bindMethod("firstRectForCharacterRange", &TextInputController::firstRectForCharacterRange);
61    bindMethod("hasMarkedText", &TextInputController::hasMarkedText);
62    bindMethod("insertText", &TextInputController::insertText);
63    bindMethod("makeAttributedString", &TextInputController::makeAttributedString);
64    bindMethod("markedRange", &TextInputController::markedRange);
65    bindMethod("selectedRange", &TextInputController::selectedRange);
66    bindMethod("setMarkedText", &TextInputController::setMarkedText);
67    bindMethod("substringFromRange", &TextInputController::substringFromRange);
68    bindMethod("unmarkText", &TextInputController::unmarkText);
69    bindMethod("validAttributesForMarkedText", &TextInputController::validAttributesForMarkedText);
70    bindMethod("setComposition", &TextInputController::setComposition);
71}
72
73WebFrame* TextInputController::getMainFrame()
74{
75    return testShell->webView()->mainFrame();
76}
77
78void TextInputController::insertText(const CppArgumentList& arguments, CppVariant* result)
79{
80    result->setNull();
81
82    if (arguments.size() < 1 || !arguments[0].isString())
83        return;
84
85    testShell->webView()->confirmComposition(WebString::fromUTF8(arguments[0].toString()));
86}
87
88void TextInputController::doCommand(const CppArgumentList& arguments, CppVariant* result)
89{
90    result->setNull();
91
92    WebFrame* mainFrame = getMainFrame();
93    if (!mainFrame)
94        return;
95
96    if (arguments.size() >= 1 && arguments[0].isString())
97        mainFrame->executeCommand(WebString::fromUTF8(arguments[0].toString()));
98}
99
100void TextInputController::setMarkedText(const CppArgumentList& arguments, CppVariant* result)
101{
102    result->setNull();
103
104    if (arguments.size() >= 3 && arguments[0].isString()
105        && arguments[1].isNumber() && arguments[2].isNumber()) {
106        WebVector<WebCompositionUnderline> underlines;
107        testShell->webView()->setComposition(WebString::fromUTF8(arguments[0].toString()),
108                                             underlines,
109                                             arguments[1].toInt32(),
110                                             arguments[1].toInt32() + arguments[2].toInt32());
111    }
112}
113
114void TextInputController::unmarkText(const CppArgumentList&, CppVariant* result)
115{
116    result->setNull();
117
118    testShell->webView()->confirmComposition();
119}
120
121void TextInputController::hasMarkedText(const CppArgumentList&, CppVariant* result)
122{
123    result->setNull();
124
125    WebFrame* mainFrame = getMainFrame();
126    if (!mainFrame)
127        return;
128
129    result->set(mainFrame->hasMarkedText());
130}
131
132void TextInputController::conversationIdentifier(const CppArgumentList&, CppVariant* result)
133{
134    // FIXME: Implement this.
135    result->setNull();
136}
137
138void TextInputController::substringFromRange(const CppArgumentList&, CppVariant* result)
139{
140    // FIXME: Implement this.
141    result->setNull();
142}
143
144void TextInputController::attributedSubstringFromRange(const CppArgumentList&, CppVariant* result)
145{
146    // FIXME: Implement this.
147    result->setNull();
148}
149
150void TextInputController::markedRange(const CppArgumentList&, CppVariant* result)
151{
152    result->setNull();
153
154    WebFrame* mainFrame = getMainFrame();
155    if (!mainFrame)
156        return;
157
158    WebRange range = mainFrame->markedRange();
159    Vector<int> intArray(2);
160    intArray[0] = range.startOffset();
161    intArray[1] = range.endOffset();
162    result->set(WebBindings::makeIntArray(intArray));
163}
164
165void TextInputController::selectedRange(const CppArgumentList&, CppVariant* result)
166{
167    result->setNull();
168
169    WebFrame* mainFrame = getMainFrame();
170    if (!mainFrame)
171        return;
172
173    WebRange range = mainFrame->selectionRange();
174    Vector<int> intArray(2);
175    intArray[0] = range.startOffset();
176    intArray[1] = range.endOffset();
177    result->set(WebBindings::makeIntArray(intArray));
178}
179
180void TextInputController::firstRectForCharacterRange(const CppArgumentList& arguments, CppVariant* result)
181{
182    result->setNull();
183
184    WebFrame* mainFrame = getMainFrame();
185    if (!mainFrame)
186        return;
187
188    if (arguments.size() < 2 || !arguments[0].isNumber() || !arguments[1].isNumber())
189        return;
190
191    WebRect rect;
192    if (!mainFrame->firstRectForCharacterRange(arguments[0].toInt32(), arguments[1].toInt32(), rect))
193        return;
194
195    Vector<int> intArray(4);
196    intArray[0] = rect.x;
197    intArray[1] = rect.y;
198    intArray[2] = rect.width;
199    intArray[3] = rect.height;
200    result->set(WebBindings::makeIntArray(intArray));
201}
202
203void TextInputController::characterIndexForPoint(const CppArgumentList&, CppVariant* result)
204{
205    // FIXME: Implement this.
206    result->setNull();
207}
208
209void TextInputController::validAttributesForMarkedText(const CppArgumentList&, CppVariant* result)
210{
211    result->setNull();
212
213    WebFrame* mainFrame = getMainFrame();
214    if (!mainFrame)
215        return;
216
217    result->set("NSUnderline,NSUnderlineColor,NSMarkedClauseSegment,"
218                "NSTextInputReplacementRangeAttributeName");
219}
220
221void TextInputController::makeAttributedString(const CppArgumentList&, CppVariant* result)
222{
223    // FIXME: Implement this.
224    result->setNull();
225}
226
227void TextInputController::setComposition(const CppArgumentList& arguments, CppVariant* result)
228{
229    result->setNull();
230
231    WebView* view = getMainFrame() ? getMainFrame()->view() : 0;
232    if (!view)
233        return;
234
235    if (arguments.size() < 1)
236        return;
237
238    // Sends a keydown event with key code = 0xE5 to emulate input method behavior.
239    WebKeyboardEvent keyDown;
240    keyDown.type = WebInputEvent::RawKeyDown;
241    keyDown.modifiers = 0;
242    keyDown.windowsKeyCode = 0xE5; // VKEY_PROCESSKEY
243    keyDown.setKeyIdentifierFromWindowsKeyCode();
244    view->handleInputEvent(keyDown);
245
246    WebVector<WebCompositionUnderline> underlines;
247    WebString text(WebString::fromUTF8(arguments[0].toString()));
248    view->setComposition(text, underlines, 0, text.length());
249}
250