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ewk_history.cpp
460 lines (394 loc) · 14 KB
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ewk_history.cpp
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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_history.h"
#include "BackForwardListImpl.h"
#include "EWebKit.h"
#include "HistoryItem.h"
#include "IconDatabaseBase.h"
#include "Image.h"
#include "IntSize.h"
#include "ewk_private.h"
#include <Eina.h>
#include <eina_safety_checks.h>
#include <wtf/text/CString.h>
struct _Ewk_History {
WebCore::BackForwardListImpl *core;
};
#define EWK_HISTORY_CORE_GET_OR_RETURN(history, core_, ...) \
if (!(history)) { \
CRITICAL("history is NULL."); \
return __VA_ARGS__; \
} \
if (!(history)->core) { \
CRITICAL("history->core is NULL."); \
return __VA_ARGS__; \
} \
if (!(history)->core->enabled()) { \
ERR("history->core is disabled!."); \
return __VA_ARGS__; \
} \
WebCore::BackForwardListImpl *core_ = (history)->core
struct _Ewk_History_Item {
WebCore::HistoryItem *core;
const char *title;
const char *alternate_title;
const char *uri;
const char *original_uri;
};
#define EWK_HISTORY_ITEM_CORE_GET_OR_RETURN(item, core_, ...) \
if (!(item)) { \
CRITICAL("item is NULL."); \
return __VA_ARGS__; \
} \
if (!(item)->core) { \
CRITICAL("item->core is NULL."); \
return __VA_ARGS__; \
} \
WebCore::HistoryItem *core_ = (item)->core
static inline Ewk_History_Item *_ewk_history_item_new(WebCore::HistoryItem *core)
{
Ewk_History_Item* item;
if (!core) {
ERR("WebCore::HistoryItem is NULL.");
return 0;
}
item = (Ewk_History_Item *)calloc(1, sizeof(Ewk_History_Item));
if (!item) {
CRITICAL("Could not allocate item memory.");
return 0;
}
core->ref();
item->core = core;
return item;
}
static inline Eina_List *_ewk_history_item_list_get(const WebCore::HistoryItemVector &core_items)
{
Eina_List* ret = 0;
unsigned int i, size;
size = core_items.size();
for (i = 0; i < size; i++) {
Ewk_History_Item* item = _ewk_history_item_new(core_items[i].get());
if (item)
ret = eina_list_append(ret, item);
}
return ret;
}
Eina_Bool ewk_history_forward(Ewk_History* history)
{
EWK_HISTORY_CORE_GET_OR_RETURN(history, core, EINA_FALSE);
if (core->forwardListCount() < 1)
return EINA_FALSE;
core->goForward();
return EINA_TRUE;
}
Eina_Bool ewk_history_back(Ewk_History* history)
{
EWK_HISTORY_CORE_GET_OR_RETURN(history, core, EINA_FALSE);
if (core->backListCount() < 1)
return EINA_FALSE;
core->goBack();
return EINA_TRUE;
}
Eina_Bool ewk_history_history_item_add(Ewk_History* history, const Ewk_History_Item* item)
{
EWK_HISTORY_CORE_GET_OR_RETURN(history, history_core, EINA_FALSE);
EWK_HISTORY_ITEM_CORE_GET_OR_RETURN(item, item_core, EINA_FALSE);
history_core->addItem(item_core);
return EINA_TRUE;
}
Eina_Bool ewk_history_history_item_set(Ewk_History* history, const Ewk_History_Item* item)
{
EWK_HISTORY_CORE_GET_OR_RETURN(history, history_core, EINA_FALSE);
EWK_HISTORY_ITEM_CORE_GET_OR_RETURN(item, item_core, EINA_FALSE);
history_core->goToItem(item_core);
return EINA_TRUE;
}
Ewk_History_Item* ewk_history_history_item_back_get(const Ewk_History* history)
{
EWK_HISTORY_CORE_GET_OR_RETURN(history, core, 0);
return _ewk_history_item_new(core->backItem());
}
Ewk_History_Item* ewk_history_history_item_current_get(const Ewk_History* history)
{
EWK_HISTORY_CORE_GET_OR_RETURN(history, core, 0);
WebCore::HistoryItem *currentItem = core->currentItem();
if (currentItem)
return _ewk_history_item_new(currentItem);
return 0;
}
Ewk_History_Item* ewk_history_history_item_forward_get(const Ewk_History* history)
{
EWK_HISTORY_CORE_GET_OR_RETURN(history, core, 0);
return _ewk_history_item_new(core->forwardItem());
}
Ewk_History_Item* ewk_history_history_item_nth_get(const Ewk_History* history, int index)
{
EWK_HISTORY_CORE_GET_OR_RETURN(history, core, 0);
return _ewk_history_item_new(core->itemAtIndex(index));
}
Eina_Bool ewk_history_history_item_contains(const Ewk_History* history, const Ewk_History_Item* item)
{
EWK_HISTORY_CORE_GET_OR_RETURN(history, history_core, EINA_FALSE);
EWK_HISTORY_ITEM_CORE_GET_OR_RETURN(item, item_core, EINA_FALSE);
return history_core->containsItem(item_core);
}
Eina_List* ewk_history_forward_list_get(const Ewk_History* history)
{
EWK_HISTORY_CORE_GET_OR_RETURN(history, core, 0);
WebCore::HistoryItemVector items;
int limit = core->forwardListCount();
core->forwardListWithLimit(limit, items);
return _ewk_history_item_list_get(items);
}
Eina_List* ewk_history_forward_list_get_with_limit(const Ewk_History* history, int limit)
{
EWK_HISTORY_CORE_GET_OR_RETURN(history, core, 0);
WebCore::HistoryItemVector items;
core->forwardListWithLimit(limit, items);
return _ewk_history_item_list_get(items);
}
int ewk_history_forward_list_length(const Ewk_History* history)
{
EWK_HISTORY_CORE_GET_OR_RETURN(history, core, 0);
return core->forwardListCount();
}
Eina_List* ewk_history_back_list_get(const Ewk_History* history)
{
EWK_HISTORY_CORE_GET_OR_RETURN(history, core, 0);
WebCore::HistoryItemVector items;
int limit = core->backListCount();
core->backListWithLimit(limit, items);
return _ewk_history_item_list_get(items);
}
Eina_List* ewk_history_back_list_get_with_limit(const Ewk_History* history, int limit)
{
EWK_HISTORY_CORE_GET_OR_RETURN(history, core, 0);
WebCore::HistoryItemVector items;
core->backListWithLimit(limit, items);
return _ewk_history_item_list_get(items);
}
int ewk_history_back_list_length(const Ewk_History* history)
{
EWK_HISTORY_CORE_GET_OR_RETURN(history, core, 0);
return core->backListCount();
}
int ewk_history_limit_get(Ewk_History* history)
{
EWK_HISTORY_CORE_GET_OR_RETURN(history, core, 0);
return core->capacity();
}
Eina_Bool ewk_history_limit_set(const Ewk_History* history, int limit)
{
EWK_HISTORY_CORE_GET_OR_RETURN(history, core, EINA_FALSE);
core->setCapacity(limit);
return EINA_TRUE;
}
Ewk_History_Item* ewk_history_item_new(const char* uri, const char* title)
{
WTF::String u = WTF::String::fromUTF8(uri);
WTF::String t = WTF::String::fromUTF8(title);
WTF::RefPtr<WebCore::HistoryItem> core = WebCore::HistoryItem::create(u, t, 0);
Ewk_History_Item* item = _ewk_history_item_new(core.release().releaseRef());
return item;
}
static inline void _ewk_history_item_free(Ewk_History_Item* item, WebCore::HistoryItem* core)
{
core->deref();
free(item);
}
void ewk_history_item_free(Ewk_History_Item* item)
{
EWK_HISTORY_ITEM_CORE_GET_OR_RETURN(item, core);
_ewk_history_item_free(item, core);
}
void ewk_history_item_list_free(Eina_List* history_items)
{
void* d;
EINA_LIST_FREE(history_items, d) {
Ewk_History_Item* item = (Ewk_History_Item*)d;
_ewk_history_item_free(item, item->core);
}
}
const char* ewk_history_item_title_get(const Ewk_History_Item* item)
{
EWK_HISTORY_ITEM_CORE_GET_OR_RETURN(item, core, 0);
// hide the following optimzation from outside
Ewk_History_Item* i = (Ewk_History_Item*)item;
eina_stringshare_replace(&i->title, core->title().utf8().data());
return i->title;
}
const char* ewk_history_item_title_alternate_get(const Ewk_History_Item* item)
{
EWK_HISTORY_ITEM_CORE_GET_OR_RETURN(item, core, 0);
// hide the following optimzation from outside
Ewk_History_Item* i = (Ewk_History_Item*)item;
eina_stringshare_replace(&i->alternate_title,
core->alternateTitle().utf8().data());
return i->alternate_title;
}
void ewk_history_item_title_alternate_set(Ewk_History_Item* item, const char* title)
{
EWK_HISTORY_ITEM_CORE_GET_OR_RETURN(item, core);
if (!eina_stringshare_replace(&item->alternate_title, title))
return;
core->setAlternateTitle(WTF::String::fromUTF8(title));
}
const char* ewk_history_item_uri_get(const Ewk_History_Item* item)
{
EWK_HISTORY_ITEM_CORE_GET_OR_RETURN(item, core, 0);
// hide the following optimzation from outside
Ewk_History_Item* i = (Ewk_History_Item*)item;
eina_stringshare_replace(&i->uri, core->urlString().utf8().data());
return i->uri;
}
const char* ewk_history_item_uri_original_get(const Ewk_History_Item* item)
{
EWK_HISTORY_ITEM_CORE_GET_OR_RETURN(item, core, 0);
// hide the following optimzation from outside
Ewk_History_Item* i = (Ewk_History_Item*)item;
eina_stringshare_replace(&i->original_uri,
core->originalURLString().utf8().data());
return i->original_uri;
}
double ewk_history_item_time_last_visited_get(const Ewk_History_Item* item)
{
EWK_HISTORY_ITEM_CORE_GET_OR_RETURN(item, core, 0.0);
return core->lastVisitedTime();
}
cairo_surface_t* ewk_history_item_icon_surface_get(const Ewk_History_Item* item)
{
EWK_HISTORY_ITEM_CORE_GET_OR_RETURN(item, core, 0);
WebCore::Image* icon = WebCore::iconDatabase().synchronousIconForPageURL(core->url(), WebCore::IntSize(16, 16));
if (!icon) {
ERR("icon is NULL.");
return 0;
}
return icon->nativeImageForCurrentFrame();
}
Evas_Object* ewk_history_item_icon_object_add(const Ewk_History_Item* item, Evas* canvas)
{
EWK_HISTORY_ITEM_CORE_GET_OR_RETURN(item, core, 0);
EINA_SAFETY_ON_NULL_RETURN_VAL(canvas, 0);
WebCore::Image* icon = WebCore::iconDatabase().synchronousIconForPageURL(core->url(), WebCore::IntSize(16, 16));
cairo_surface_t* surface;
if (!icon) {
ERR("icon is NULL.");
return 0;
}
surface = icon->nativeImageForCurrentFrame();
return ewk_util_image_from_cairo_surface_add(canvas, surface);
}
Eina_Bool ewk_history_item_page_cache_exists(const Ewk_History_Item* item)
{
EWK_HISTORY_ITEM_CORE_GET_OR_RETURN(item, core, EINA_FALSE);
return core->isInPageCache();
}
int ewk_history_item_visit_count(const Ewk_History_Item* item)
{
EWK_HISTORY_ITEM_CORE_GET_OR_RETURN(item, core, 0);
return core->visitCount();
}
Eina_Bool ewk_history_item_visit_last_failed(const Ewk_History_Item* item)
{
EWK_HISTORY_ITEM_CORE_GET_OR_RETURN(item, core, EINA_TRUE);
return core->lastVisitWasFailure();
}
/* internal methods ****************************************************/
/**
* @internal
*
* Creates history for given view. Called internally by ewk_view and
* should never be called from outside.
*
* @param core WebCore::BackForwardListImpl instance to use internally.
*
* @return newly allocated history instance or @c NULL on errors.
*/
Ewk_History* ewk_history_new(WebCore::BackForwardListImpl* core)
{
Ewk_History* history;
EINA_SAFETY_ON_NULL_RETURN_VAL(core, 0);
DBG("core=%p", core);
history = (Ewk_History*)malloc(sizeof(Ewk_History));
if (!history) {
CRITICAL("Could not allocate history memory.");
return 0;
}
core->ref();
history->core = core;
return history;
}
/**
* @internal
*
* Destroys previously allocated history instance. This is called
* automatically by ewk_view and should never be called from outside.
*
* @param history instance to free
*/
void ewk_history_free(Ewk_History* history)
{
DBG("history=%p", history);
history->core->deref();
free(history);
}
/**
* @internal
*
* Returns a newly-allocated string with the item's target name.
* Callers are responsible for freeing the allocated memory with free(3).
*
* @param item instance to operate upon.
*/
char* ewk_history_item_target_get(const Ewk_History_Item* item)
{
EWK_HISTORY_ITEM_CORE_GET_OR_RETURN(item, core, 0);
return strdup(core->target().utf8().data());
}
/**
* @internal
*
* Returns whether the given item is currently a target.
*
* @param item instance to check.
*/
Eina_Bool ewk_history_item_target_is(const Ewk_History_Item* item)
{
EWK_HISTORY_ITEM_CORE_GET_OR_RETURN(item, core, 0);
return core->isTargetItem();
}
/**
* @internal
*
* Returns a list of child history items relative to the given item,
* or @c NULL if there are none.
*
* @param item instance to operate upon.
*/
Eina_List* ewk_history_item_children_get(const Ewk_History_Item* item)
{
EWK_HISTORY_ITEM_CORE_GET_OR_RETURN(item, core, 0);
const WebCore::HistoryItemVector& children = core->children();
if (!children.size())
return 0;
Eina_List* kids = 0;
const unsigned size = children.size();
for (unsigned i = 0; i < size; ++i)
kids = eina_list_append(kids, _ewk_history_item_new(children[i].get()));
return kids;
}