1/*
2 * Copyright (C) 2012 Intel Corporation. All rights reserved.
3 * Copyright (C) 2013 Samsung Electronics. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
15 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
16 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
18 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
22 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
23 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
24 * THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include "config.h"
28#include "ewk_favicon_database.h"
29
30#include "WKAPICast.h"
31#include "WKIconDatabase.h"
32#include "WKIconDatabaseCairo.h"
33#include "WKURL.h"
34#include "ewk_favicon_database_private.h"
35#include <WebCore/CairoUtilitiesEfl.h>
36#include <WebCore/RefPtrCairo.h>
37#include <wtf/text/CString.h>
38#include <wtf/text/WTFString.h>
39
40using namespace WebKit;
41
42EwkFaviconDatabase::EwkFaviconDatabase(WKIconDatabaseRef iconDatabase)
43    : m_iconDatabase(iconDatabase)
44{
45    WKIconDatabaseClient iconDatabaseClient;
46    memset(&iconDatabaseClient, 0, sizeof(WKIconDatabaseClient));
47    iconDatabaseClient.version = kWKIconDatabaseClientCurrentVersion;
48    iconDatabaseClient.clientInfo = this;
49    iconDatabaseClient.iconDataReadyForPageURL = iconDataReadyForPageURL;
50    WKIconDatabaseSetIconDatabaseClient(m_iconDatabase.get(), &iconDatabaseClient);
51}
52
53EwkFaviconDatabase::~EwkFaviconDatabase()
54{
55    WKIconDatabaseSetIconDatabaseClient(m_iconDatabase.get(), 0);
56}
57
58void EwkFaviconDatabase::watchChanges(const IconChangeCallbackData& callbackData)
59{
60    ASSERT(callbackData.callback);
61    if (m_changeListeners.contains(callbackData.callback))
62        return;
63
64    m_changeListeners.add(callbackData.callback, callbackData);
65}
66
67void EwkFaviconDatabase::unwatchChanges(Ewk_Favicon_Database_Icon_Change_Cb callback)
68{
69    ASSERT(callback);
70    m_changeListeners.remove(callback);
71}
72
73void EwkFaviconDatabase::didChangeIconForPageURL(WKIconDatabaseRef, WKURLRef pageURLRef, const void* clientInfo)
74{
75    const EwkFaviconDatabase* ewkIconDatabase = static_cast<const EwkFaviconDatabase*>(clientInfo);
76
77    if (ewkIconDatabase->m_changeListeners.isEmpty())
78        return;
79
80    CString pageURL = toWTFString(pageURLRef).utf8();
81
82    ChangeListenerMap::const_iterator it = ewkIconDatabase->m_changeListeners.begin();
83    ChangeListenerMap::const_iterator end = ewkIconDatabase->m_changeListeners.end();
84    for (; it != end; ++it)
85        it->value.callback(pageURL.data(), it->value.userData);
86}
87
88PassRefPtr<cairo_surface_t> EwkFaviconDatabase::getIconSurfaceSynchronously(const char* pageURL) const
89{
90    WKRetainPtr<WKURLRef> wkPageURL(AdoptWK, WKURLCreateWithUTF8CString(pageURL));
91
92    RefPtr<cairo_surface_t> surface = WKIconDatabaseTryGetCairoSurfaceForURL(m_iconDatabase.get(), wkPageURL.get());
93    if (!surface)
94        return 0;
95
96    return surface.release();
97}
98
99void EwkFaviconDatabase::iconDataReadyForPageURL(WKIconDatabaseRef, WKURLRef pageURL, const void* clientInfo)
100{
101    EwkFaviconDatabase* ewkIconDatabase = const_cast<EwkFaviconDatabase*>(static_cast<const EwkFaviconDatabase*>(clientInfo));
102
103    WKIconDatabaseRetainIconForURL(ewkIconDatabase->m_iconDatabase.get(), pageURL);
104
105    CString urlString = toWTFString(pageURL).utf8();
106    ChangeListenerMap::const_iterator it = ewkIconDatabase->m_changeListeners.begin();
107    ChangeListenerMap::const_iterator end = ewkIconDatabase->m_changeListeners.end();
108    for (; it != end; ++it)
109        it->value.callback(urlString.data(), it->value.userData);
110}
111
112Evas_Object* ewk_favicon_database_icon_get(Ewk_Favicon_Database* ewkIconDatabase, const char* pageURL, Evas* evas)
113{
114    EINA_SAFETY_ON_NULL_RETURN_VAL(ewkIconDatabase, 0);
115    EINA_SAFETY_ON_NULL_RETURN_VAL(pageURL, 0);
116    EINA_SAFETY_ON_NULL_RETURN_VAL(evas, 0);
117
118    RefPtr<cairo_surface_t> surface = ewkIconDatabase->getIconSurfaceSynchronously(pageURL);
119    if (!surface)
120        return 0;
121
122    return WebCore::evasObjectFromCairoImageSurface(evas, surface.get()).leakRef();
123}
124
125void ewk_favicon_database_icon_change_callback_add(Ewk_Favicon_Database* ewkIconDatabase, Ewk_Favicon_Database_Icon_Change_Cb callback, void* userData)
126{
127    EINA_SAFETY_ON_NULL_RETURN(ewkIconDatabase);
128    EINA_SAFETY_ON_NULL_RETURN(callback);
129
130    ewkIconDatabase->watchChanges(IconChangeCallbackData(callback, userData));
131}
132
133void ewk_favicon_database_icon_change_callback_del(Ewk_Favicon_Database* ewkIconDatabase, Ewk_Favicon_Database_Icon_Change_Cb callback)
134{
135    EINA_SAFETY_ON_NULL_RETURN(ewkIconDatabase);
136    EINA_SAFETY_ON_NULL_RETURN(callback);
137
138    ewkIconDatabase->unwatchChanges(callback);
139}
140