1/*
2 * Copyright (C) 2006 Apple Computer, 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
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27
28#include "BitmapImage.h"
29#include "GdkCairoUtilities.h"
30#include "GOwnPtrGtk.h"
31#include "SharedBuffer.h"
32#include <wtf/text/CString.h>
33#include <cairo.h>
34#include <gtk/gtk.h>
35
36#if PLATFORM(WIN)
37#include <mbstring.h>
38#include <shlobj.h>
39
40static HMODULE hmodule;
41
42extern "C" {
43BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
44{
45    if (fdwReason == DLL_PROCESS_ATTACH)
46        hmodule = hinstDLL;
47    return TRUE;
48}
49}
50
51static const char* getWebKitDataDirectory()
52{
53    static char* dataDirectory = 0;
54    if (dataDirectory)
55        return dataDirectory;
56
57    dataDirectory = new char[PATH_MAX];
58    if (!GetModuleFileName(hmodule, static_cast<CHAR*>(dataDirectory), sizeof(dataDirectory) - 10))
59        return DATA_DIR;
60
61    // FIXME: This is pretty ugly. Ideally we should be using Windows API
62    // functions or GLib methods to calculate paths.
63    unsigned char *p;
64    p = _mbsrchr(static_cast<const unsigned char *>(dataDirectory), '\\');
65    *p = '\0';
66    p = _mbsrchr(static_cast<const unsigned char *>(dataDirectory), '\\');
67    if (p) {
68        if (!stricmp((const char *) (p+1), "bin"))
69            *p = '\0';
70    }
71    strcat(dataDirectory, "\\share");
72
73    return dataDirectory;
74}
75
76#else
77
78static const char* getWebKitDataDirectory()
79{
80    return DATA_DIR;
81}
82
83#endif
84
85namespace WebCore {
86
87static CString getThemeIconFileName(const char* name, int size)
88{
89    GtkIconInfo* iconInfo = gtk_icon_theme_lookup_icon(gtk_icon_theme_get_default(),
90                                                       name, size, GTK_ICON_LOOKUP_NO_SVG);
91    // Try to fallback on MISSING_IMAGE.
92    if (!iconInfo)
93        iconInfo = gtk_icon_theme_lookup_icon(gtk_icon_theme_get_default(),
94                                              GTK_STOCK_MISSING_IMAGE, size,
95                                              GTK_ICON_LOOKUP_NO_SVG);
96    if (iconInfo) {
97        GOwnPtr<GtkIconInfo> info(iconInfo);
98        return CString(gtk_icon_info_get_filename(info.get()));
99    }
100
101    // No icon was found, this can happen if not GTK theme is set. In
102    // that case an empty Image will be created.
103    return CString();
104}
105
106static PassRefPtr<SharedBuffer> loadResourceSharedBuffer(CString name)
107{
108    GOwnPtr<gchar> content;
109    gsize length;
110    if (!g_file_get_contents(name.data(), &content.outPtr(), &length, 0))
111        return SharedBuffer::create();
112
113    return SharedBuffer::create(content.get(), length);
114}
115
116void BitmapImage::initPlatformData()
117{
118}
119
120void BitmapImage::invalidatePlatformData()
121{
122}
123
124PassRefPtr<Image> loadImageFromFile(CString fileName)
125{
126    RefPtr<BitmapImage> img = BitmapImage::create();
127    if (!fileName.isNull()) {
128        RefPtr<SharedBuffer> buffer = loadResourceSharedBuffer(fileName);
129        img->setData(buffer.release(), true);
130    }
131    return img.release();
132}
133
134PassRefPtr<Image> Image::loadPlatformResource(const char* name)
135{
136    CString fileName;
137    if (!strcmp("missingImage", name))
138        fileName = getThemeIconFileName(GTK_STOCK_MISSING_IMAGE, 16);
139    if (fileName.isNull()) {
140        GOwnPtr<gchar> imageName(g_strdup_printf("%s.png", name));
141        GOwnPtr<gchar> glibFileName(g_build_filename(getWebKitDataDirectory(), "webkitgtk-"WEBKITGTK_API_VERSION_STRING, "images", imageName.get(), NULL));
142        fileName = glibFileName.get();
143    }
144
145    return loadImageFromFile(fileName);
146}
147
148PassRefPtr<Image> Image::loadPlatformThemeIcon(const char* name, int size)
149{
150    return loadImageFromFile(getThemeIconFileName(name, size));
151}
152
153GdkPixbuf* BitmapImage::getGdkPixbuf()
154{
155    cairo_surface_t* frame = frameAtIndex(currentFrame());
156    if (!frame)
157        return 0;
158    return cairoImageSurfaceToGdkPixbuf(frame);
159}
160
161}
162