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/*
Copyright (C) 2009-2010 ProFUSION embedded systems
Copyright (C) 2009-2010 Samsung Electronics
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "ewk_settings.h"
#include "EWebKit.h"
#if ENABLE(DATABASE)
#include "DatabaseTracker.h"
#endif
#include "IconDatabase.h"
#include "Image.h"
#include "IntSize.h"
#include "KURL.h"
#include "ewk_private.h"
#include <wtf/text/CString.h>
#include <eina_safety_checks.h>
#include <errno.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
static uint64_t _ewk_default_web_database_quota = 1 * 1024 * 1024;
/**
* Returns the default quota for Web Database databases. By default
* this value is 1MB.
*
* @return the current default database quota in bytes
**/
uint64_t ewk_settings_web_database_default_quota_get()
{
return _ewk_default_web_database_quota;
}
/**
* Sets the current path to the directory WebKit will write Web
* Database databases.
*
* @path: the new database directory path
*
*/
void ewk_settings_web_database_path_set(const char *path)
{
#if ENABLE(DATABASE)
WebCore::String corePath = WebCore::String::fromUTF8(path);
WebCore::DatabaseTracker::tracker().setDatabaseDirectoryPath(corePath);
#endif
}
/**
* Return directory path where web database is stored.
*
* @return newly allocated string with database path. Note that return must be
* freed with free() as it's a strdup()ed copy of the string due reference
* counting.
*/
const char *ewk_settings_web_database_path_get()
{
#if ENABLE(DATABASE)
WebCore::String path = WebCore::DatabaseTracker::tracker().databaseDirectoryPath();
return strdup(path.utf8().data());
#else
return 0;
#endif
}
/**
* Sets directory where to store icon database, opening database.
*
* @param directory where to store icon database, must be
* write-able. If @c NULL is given, then database is closed.
*
* @return @c EINA_TRUE on success, @c EINA_FALSE on errors.
*/
Eina_Bool ewk_settings_icon_database_path_set(const char *directory)
{
WebCore::iconDatabase()->delayDatabaseCleanup();
if (directory) {
struct stat st;
if (stat(directory, &st)) {
ERR("could not stat(%s): %s", directory, strerror(errno));
return EINA_FALSE;
}
if (!S_ISDIR(st.st_mode)) {
ERR("not a directory: %s", directory);
return EINA_FALSE;
}
if (access(directory, R_OK | W_OK)) {
ERR("could not access directory '%s' for read and write: %s",
directory, strerror(errno));
return EINA_FALSE;
}
WebCore::iconDatabase()->setEnabled(true);
WebCore::iconDatabase()->open(WebCore::String::fromUTF8(directory));
} else {
WebCore::iconDatabase()->setEnabled(false);
WebCore::iconDatabase()->close();
}
return EINA_TRUE;
}
/**
* Return directory path where icon database is stored.
*
* @return newly allocated string with database path or @c NULL if
* none is set or database is closed. Note that return must be
* freed with free() as it's a strdup()ed copy of the string
* due reference counting.
*/
char* ewk_settings_icon_database_path_get(void)
{
if (!WebCore::iconDatabase()->isEnabled())
return 0;
if (!WebCore::iconDatabase()->isOpen())
return 0;
WebCore::String path = WebCore::iconDatabase()->databasePath();
if (path.isEmpty())
return 0;
return strdup(path.utf8().data());
}
/**
* Remove all known icons from database.
*
* Database must be opened with ewk_settings_icon_database_path_set()
* in order to work.
*
* @return @c EINA_TRUE on success or @c EINA_FALSE otherwise, like
* closed database.
*/
Eina_Bool ewk_settings_icon_database_clear(void)
{
if (!WebCore::iconDatabase()->isEnabled())
return EINA_FALSE;
if (!WebCore::iconDatabase()->isOpen())
return EINA_FALSE;
WebCore::iconDatabase()->removeAllIcons();
return EINA_TRUE;
}
/**
* Query icon for given URL, returning associated cairo surface.
*
* @note in order to have this working, one must open icon database
* with ewk_settings_icon_database_path_set().
*
* @param url which url to query icon.
*
* @return cairo surface if any, or NULL on failure.
*/
cairo_surface_t* ewk_settings_icon_database_icon_surface_get(const char *url)
{
EINA_SAFETY_ON_NULL_RETURN_VAL(url, 0);
WebCore::KURL kurl(WebCore::KURL(), WebCore::String::fromUTF8(url));
WebCore::Image *icon = WebCore::iconDatabase()->iconForPageURL(kurl.string(), WebCore::IntSize(16, 16));
if (!icon) {
ERR("no icon for url %s", url);
return 0;
}
return icon->nativeImageForCurrentFrame();
}
/**
* Create Evas_Object of type image representing the given URL.
*
* This is an utility function that creates an Evas_Object of type
* image set to have fill always match object size
* (evas_object_image_filled_add()), saving some code to use it from Evas.
*
* @note in order to have this working, one must open icon database
* with ewk_settings_icon_database_path_set().
*
* @param url which url to query icon.
* @param canvas evas instance where to add resulting object.
*
* @return newly allocated Evas_Object instance or @c NULL on
* errors. Delete the object with evas_object_del().
*/
Evas_Object* ewk_settings_icon_database_icon_object_add(const char* url, Evas* canvas)
{
EINA_SAFETY_ON_NULL_RETURN_VAL(url, 0);
EINA_SAFETY_ON_NULL_RETURN_VAL(canvas, 0);
WebCore::KURL kurl(WebCore::KURL(), WebCore::String::fromUTF8(url));
WebCore::Image* icon = WebCore::iconDatabase()->iconForPageURL(kurl.string(), WebCore::IntSize(16, 16));
cairo_surface_t* surface;
if (!icon) {
ERR("no icon for url %s", url);
return 0;
}
surface = icon->nativeImageForCurrentFrame();
return ewk_util_image_from_cairo_surface_add(canvas, surface);
}
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