1/*
2 * Copyright (C) 2011 Igalia S.L.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 *     notice, this list of conditions and the following disclaimer in the
12 *     documentation and/or other materials provided with the distribution.
13 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 *     its contributors may be used to endorse or promote products derived
15 *     from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include "config.h"
30#include "TextInputController.h"
31
32#include "DumpRenderTree.h"
33#include "WebCoreSupport/DumpRenderTreeSupportGtk.h"
34#include <GOwnPtrGtk.h>
35#include <JavaScriptCore/JSObjectRef.h>
36#include <JavaScriptCore/JSRetainPtr.h>
37#include <JavaScriptCore/JSStringRef.h>
38#include <cstring>
39#include <webkit/webkit.h>
40
41static JSValueRef setMarkedTextCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
42{
43    WebKitWebView* view = webkit_web_frame_get_web_view(mainFrame);
44    if (!view)
45        return JSValueMakeUndefined(context);
46
47    if (argumentCount < 3)
48        return JSValueMakeUndefined(context);
49
50    JSStringRef string = JSValueToStringCopy(context, arguments[0], exception);
51    g_return_val_if_fail((!exception || !*exception), JSValueMakeUndefined(context));
52
53    size_t bufferSize = JSStringGetMaximumUTF8CStringSize(string);
54    GOwnPtr<gchar> stringBuffer(static_cast<gchar*>(g_malloc(bufferSize)));
55    JSStringGetUTF8CString(string, stringBuffer.get(), bufferSize);
56    JSStringRelease(string);
57
58    int start = static_cast<int>(JSValueToNumber(context, arguments[1], exception));
59    g_return_val_if_fail((!exception || !*exception), JSValueMakeUndefined(context));
60
61    int end = static_cast<int>(JSValueToNumber(context, arguments[2], exception));
62    g_return_val_if_fail((!exception || !*exception), JSValueMakeUndefined(context));
63
64    DumpRenderTreeSupportGtk::setComposition(view, stringBuffer.get(), start, end);
65
66    return JSValueMakeUndefined(context);
67}
68
69static JSValueRef insertTextCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
70{
71    WebKitWebView* view = webkit_web_frame_get_web_view(mainFrame);
72    if (!view)
73        return JSValueMakeUndefined(context);
74
75    if (argumentCount < 1)
76        return JSValueMakeUndefined(context);
77
78    JSStringRef string = JSValueToStringCopy(context, arguments[0], exception);
79    g_return_val_if_fail((!exception || !*exception), JSValueMakeUndefined(context));
80
81    size_t bufferSize = JSStringGetMaximumUTF8CStringSize(string);
82    GOwnPtr<gchar> stringBuffer(static_cast<gchar*>(g_malloc(bufferSize)));
83    JSStringGetUTF8CString(string, stringBuffer.get(), bufferSize);
84    JSStringRelease(string);
85
86    DumpRenderTreeSupportGtk::confirmComposition(view, stringBuffer.get());
87
88    return JSValueMakeUndefined(context);
89}
90
91static JSValueRef unmarkTextCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
92{
93    WebKitWebView* view = webkit_web_frame_get_web_view(mainFrame);
94    if (!view)
95        return JSValueMakeUndefined(context);
96
97    DumpRenderTreeSupportGtk::confirmComposition(view, 0);
98    return JSValueMakeUndefined(context);
99}
100
101static JSValueRef firstRectForCharacterRangeCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
102{
103    WebKitWebView* view = webkit_web_frame_get_web_view(mainFrame);
104    if (!view)
105        return JSValueMakeUndefined(context);
106
107    if (argumentCount < 2)
108        return JSValueMakeUndefined(context);
109
110    int location = static_cast<int>(JSValueToNumber(context, arguments[0], exception));
111    g_return_val_if_fail((!exception || !*exception), JSValueMakeUndefined(context));
112
113    int length = static_cast<int>(JSValueToNumber(context, arguments[1], exception));
114    g_return_val_if_fail((!exception || !*exception), JSValueMakeUndefined(context));
115
116    GdkRectangle rect;
117    if (!DumpRenderTreeSupportGtk::firstRectForCharacterRange(view, location, length, &rect))
118        return JSValueMakeUndefined(context);
119
120    JSValueRef arrayValues[4];
121    arrayValues[0] = JSValueMakeNumber(context, rect.x);
122    arrayValues[1] = JSValueMakeNumber(context, rect.y);
123    arrayValues[2] = JSValueMakeNumber(context, rect.width);
124    arrayValues[3] = JSValueMakeNumber(context, rect.height);
125    JSObjectRef arrayObject = JSObjectMakeArray(context, 4, arrayValues, exception);
126    g_return_val_if_fail((!exception || !*exception), JSValueMakeUndefined(context));
127
128    return arrayObject;
129}
130
131static JSValueRef selectedRangeCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
132{
133    WebKitWebView* view = webkit_web_frame_get_web_view(mainFrame);
134    if (!view)
135        return JSValueMakeUndefined(context);
136
137    int start, end;
138    if (!DumpRenderTreeSupportGtk::selectedRange(view, &start, &end))
139        return JSValueMakeUndefined(context);
140
141    JSValueRef arrayValues[2];
142    arrayValues[0] = JSValueMakeNumber(context, start);
143    arrayValues[1] = JSValueMakeNumber(context, end);
144    JSObjectRef arrayObject = JSObjectMakeArray(context, 2, arrayValues, exception);
145    g_return_val_if_fail((!exception || !*exception), JSValueMakeUndefined(context));
146
147    return arrayObject;
148}
149
150static JSStaticFunction staticFunctions[] = {
151    { "setMarkedText", setMarkedTextCallback, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
152    { "insertText", insertTextCallback, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
153    { "unmarkText", unmarkTextCallback, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
154    { "firstRectForCharacterRange", firstRectForCharacterRangeCallback, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
155    { "selectedRange", selectedRangeCallback, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
156    { 0, 0, 0 }
157};
158
159static JSClassRef getClass(JSContextRef context)
160{
161    static JSClassRef textInputControllerClass = 0;
162
163    if (!textInputControllerClass) {
164        JSClassDefinition classDefinition = {
165                0, 0, 0, 0, 0, 0,
166                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
167        classDefinition.staticFunctions = staticFunctions;
168
169        textInputControllerClass = JSClassCreate(&classDefinition);
170    }
171
172    return textInputControllerClass;
173}
174
175JSObjectRef makeTextInputController(JSContextRef context)
176{
177    return JSObjectMake(context, getClass(context), 0);
178}
179