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/*
* Copyright (C) 2012 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "ewk_favicon_database.h"
#include "WKAPICast.h"
#include "WKIconDatabase.h"
#include "WKURL.h"
#include "WebIconDatabase.h"
#include "WebURL.h"
#include "ewk_favicon_database_private.h"
#include <WebCore/CairoUtilitiesEfl.h>
#include <WebCore/RefPtrCairo.h>
#include <wtf/text/CString.h>
#include <wtf/text/WTFString.h>
using namespace WebKit;
EwkFaviconDatabase::EwkFaviconDatabase(WebIconDatabase* iconDatabase)
: m_iconDatabase(iconDatabase)
{
WKIconDatabaseClient iconDatabaseClient;
memset(&iconDatabaseClient, 0, sizeof(WKIconDatabaseClient));
iconDatabaseClient.version = kWKIconDatabaseClientCurrentVersion;
iconDatabaseClient.clientInfo = this;
iconDatabaseClient.didChangeIconForPageURL = didChangeIconForPageURL;
iconDatabaseClient.iconDataReadyForPageURL = iconDataReadyForPageURL;
WKIconDatabaseSetIconDatabaseClient(toAPI(m_iconDatabase.get()), &iconDatabaseClient);
}
EwkFaviconDatabase::~EwkFaviconDatabase()
{
}
String EwkFaviconDatabase::iconURLForPageURL(const String& pageURL) const
{
String iconURL;
m_iconDatabase->synchronousIconURLForPageURL(pageURL, iconURL);
return iconURL;
}
void EwkFaviconDatabase::watchChanges(const IconChangeCallbackData& callbackData)
{
ASSERT(callbackData.callback);
if (m_changeListeners.contains(callbackData.callback))
return;
m_changeListeners.add(callbackData.callback, callbackData);
}
void EwkFaviconDatabase::unwatchChanges(Ewk_Favicon_Database_Icon_Change_Cb callback)
{
ASSERT(callback);
m_changeListeners.remove(callback);
}
struct AsyncIconRequestResponse {
String pageURL;
RefPtr<cairo_surface_t> surface;
IconRequestCallbackData callbackData;
AsyncIconRequestResponse(const String& pageURL, PassRefPtr<cairo_surface_t> surface, const IconRequestCallbackData& callbackData)
: pageURL(pageURL)
, surface(surface)
, callbackData(callbackData)
{ }
};
static Eina_Bool respond_icon_request_idle(void* data)
{
AsyncIconRequestResponse* response = static_cast<AsyncIconRequestResponse*>(data);
RefPtr<Evas_Object> icon = response->surface ? WebCore::evasObjectFromCairoImageSurface(response->callbackData.evas, response->surface.get()) : 0;
response->callbackData.callback(response->pageURL.utf8().data(), icon.get(), response->callbackData.userData);
delete response;
return ECORE_CALLBACK_DONE;
}
void EwkFaviconDatabase::iconForPageURL(const String& pageURL, const IconRequestCallbackData& callbackData)
{
// We ask for the icon directly. If we don't get the icon data now,
// we'll be notified later (even if the database is still importing icons).
RefPtr<cairo_surface_t> surface = getIconSurfaceSynchronously(pageURL);
// If there's no valid icon, but there's an iconURL registered,
// or it's still not registered but the import process hasn't
// finished yet, we need to wait for iconDataReadyForPageURL to be
// called before making and informed decision.
String iconURL = iconURLForPageURL(pageURL);
if (!surface && (!iconURL.isEmpty() || !m_iconDatabase->isUrlImportCompleted())) {
PendingIconRequestVector requests = m_iconRequests.get(pageURL);
requests.append(callbackData);
m_iconRequests.set(pageURL, requests);
return;
}
// Respond when idle.
AsyncIconRequestResponse* response = new AsyncIconRequestResponse(pageURL, surface.release(), callbackData);
ecore_idler_add(respond_icon_request_idle, response);
}
void EwkFaviconDatabase::didChangeIconForPageURL(WKIconDatabaseRef, WKURLRef pageURLRef, const void* clientInfo)
{
const Ewk_Favicon_Database* ewkIconDatabase = static_cast<const Ewk_Favicon_Database*>(clientInfo);
if (ewkIconDatabase->m_changeListeners.isEmpty())
return;
CString pageURL = toImpl(pageURLRef)->string().utf8();
ChangeListenerMap::const_iterator it = ewkIconDatabase->m_changeListeners.begin();
ChangeListenerMap::const_iterator end = ewkIconDatabase->m_changeListeners.end();
for (; it != end; ++it)
it->value.callback(pageURL.data(), it->value.userData);
}
PassRefPtr<cairo_surface_t> EwkFaviconDatabase::getIconSurfaceSynchronously(const String& pageURL) const
{
m_iconDatabase->retainIconForPageURL(pageURL);
WebCore::NativeImagePtr icon = m_iconDatabase->nativeImageForPageURL(pageURL);
if (!icon) {
m_iconDatabase->releaseIconForPageURL(pageURL);
return 0;
}
RefPtr<cairo_surface_t> surface = icon->surface();
return surface.release();
}
void EwkFaviconDatabase::iconDataReadyForPageURL(WKIconDatabaseRef, WKURLRef pageURL, const void* clientInfo)
{
Ewk_Favicon_Database* ewkIconDatabase = const_cast<Ewk_Favicon_Database*>(static_cast<const Ewk_Favicon_Database*>(clientInfo));
String urlString = toImpl(pageURL)->string();
if (!ewkIconDatabase->m_iconRequests.contains(urlString))
return;
RefPtr<cairo_surface_t> surface = ewkIconDatabase->getIconSurfaceSynchronously(urlString);
PendingIconRequestVector requestsForURL = ewkIconDatabase->m_iconRequests.take(urlString);
size_t requestCount = requestsForURL.size();
for (size_t i = 0; i < requestCount; ++i) {
const IconRequestCallbackData& callbackData = requestsForURL[i];
RefPtr<Evas_Object> icon = surface ? WebCore::evasObjectFromCairoImageSurface(callbackData.evas, surface.get()) : 0;
callbackData.callback(urlString.utf8().data(), icon.get(), callbackData.userData);
}
}
const char* ewk_favicon_database_icon_url_get(Ewk_Favicon_Database* ewkIconDatabase, const char* pageURL)
{
EINA_SAFETY_ON_NULL_RETURN_VAL(ewkIconDatabase, 0);
EINA_SAFETY_ON_NULL_RETURN_VAL(pageURL, 0);
String iconURL = ewkIconDatabase->iconURLForPageURL(String::fromUTF8(pageURL));
return eina_stringshare_add(iconURL.utf8().data());
}
Eina_Bool ewk_favicon_database_async_icon_get(Ewk_Favicon_Database* ewkIconDatabase, const char* page_url, Evas* evas, Ewk_Favicon_Database_Async_Icon_Get_Cb callback, void* userData)
{
EINA_SAFETY_ON_NULL_RETURN_VAL(ewkIconDatabase, false);
EINA_SAFETY_ON_NULL_RETURN_VAL(page_url, false);
EINA_SAFETY_ON_NULL_RETURN_VAL(evas, false);
EINA_SAFETY_ON_NULL_RETURN_VAL(callback, false);
ewkIconDatabase->iconForPageURL(String::fromUTF8(page_url), IconRequestCallbackData(callback, userData, evas));
return true;
}
void ewk_favicon_database_icon_change_callback_add(Ewk_Favicon_Database* ewkIconDatabase, Ewk_Favicon_Database_Icon_Change_Cb callback, void* userData)
{
EINA_SAFETY_ON_NULL_RETURN(ewkIconDatabase);
EINA_SAFETY_ON_NULL_RETURN(callback);
ewkIconDatabase->watchChanges(IconChangeCallbackData(callback, userData));
}
void ewk_favicon_database_icon_change_callback_del(Ewk_Favicon_Database* ewkIconDatabase, Ewk_Favicon_Database_Icon_Change_Cb callback)
{
EINA_SAFETY_ON_NULL_RETURN(ewkIconDatabase);
EINA_SAFETY_ON_NULL_RETURN(callback);
ewkIconDatabase->unwatchChanges(callback);
}
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