diff options
Diffstat (limited to 'Source/WebKit2/UIProcess/API/efl/ewk_back_forward_list.cpp')
| -rw-r--r-- | Source/WebKit2/UIProcess/API/efl/ewk_back_forward_list.cpp | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/Source/WebKit2/UIProcess/API/efl/ewk_back_forward_list.cpp b/Source/WebKit2/UIProcess/API/efl/ewk_back_forward_list.cpp new file mode 100644 index 000000000..5b8e2d7ea --- /dev/null +++ b/Source/WebKit2/UIProcess/API/efl/ewk_back_forward_list.cpp @@ -0,0 +1,161 @@ +/* + * 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_back_forward_list.h" + +#include "WKAPICast.h" +#include "WKArray.h" +#include "WKBackForwardList.h" +#include "WKRetainPtr.h" +#include "ewk_back_forward_list_item_private.h" +#include <wtf/text/CString.h> + +using namespace WebKit; + +typedef HashMap<WKBackForwardListItemRef, Ewk_Back_Forward_List_Item*> ItemsMap; + +/** + * \struct _Ewk_Back_Forward_List + * @brief Contains the Back Forward List data. + */ +struct _Ewk_Back_Forward_List { + WKRetainPtr<WKBackForwardListRef> wkList; + mutable ItemsMap wrapperCache; + + _Ewk_Back_Forward_List(WKBackForwardListRef listRef) + : wkList(listRef) + { } + + ~_Ewk_Back_Forward_List() + { + ItemsMap::iterator it = wrapperCache.begin(); + ItemsMap::iterator end = wrapperCache.end(); + for (; it != end; ++it) + ewk_back_forward_list_item_unref(it->second); + } +}; + +#define EWK_BACK_FORWARD_LIST_WK_GET_OR_RETURN(list, wkList_, ...) \ + if (!(list)) { \ + EINA_LOG_CRIT("list is NULL."); \ + return __VA_ARGS__; \ + } \ + if (!(list)->wkList) { \ + EINA_LOG_CRIT("list->wkList is NULL."); \ + return __VA_ARGS__; \ + } \ + WKBackForwardListRef wkList_ = (list)->wkList.get() + + +static inline Ewk_Back_Forward_List_Item* addItemToWrapperCache(const Ewk_Back_Forward_List* list, WKBackForwardListItemRef wkItem) +{ + EINA_SAFETY_ON_NULL_RETURN_VAL(list, 0); + EINA_SAFETY_ON_NULL_RETURN_VAL(wkItem, 0); + + Ewk_Back_Forward_List_Item* item = list->wrapperCache.get(wkItem); + if (!item) { + item = ewk_back_forward_list_item_new(wkItem); + list->wrapperCache.set(wkItem, item); + } + + return item; +} + +Ewk_Back_Forward_List_Item* ewk_back_forward_list_current_item_get(const Ewk_Back_Forward_List* list) +{ + EWK_BACK_FORWARD_LIST_WK_GET_OR_RETURN(list, wkList, 0); + + return addItemToWrapperCache(list, WKBackForwardListGetCurrentItem(wkList)); +} + +Ewk_Back_Forward_List_Item* ewk_back_forward_list_previous_item_get(const Ewk_Back_Forward_List* list) +{ + EWK_BACK_FORWARD_LIST_WK_GET_OR_RETURN(list, wkList, 0); + + return addItemToWrapperCache(list, WKBackForwardListGetBackItem(wkList)); +} + +Ewk_Back_Forward_List_Item* ewk_back_forward_list_next_item_get(const Ewk_Back_Forward_List* list) +{ + EWK_BACK_FORWARD_LIST_WK_GET_OR_RETURN(list, wkList, 0); + + return addItemToWrapperCache(list, WKBackForwardListGetForwardItem(wkList)); +} + +Ewk_Back_Forward_List_Item* ewk_back_forward_list_item_at_index_get(const Ewk_Back_Forward_List* list, int index) +{ + EWK_BACK_FORWARD_LIST_WK_GET_OR_RETURN(list, wkList, 0); + + return addItemToWrapperCache(list, WKBackForwardListGetItemAtIndex(wkList, index)); +} + +unsigned ewk_back_forward_list_count(Ewk_Back_Forward_List* list) +{ + EWK_BACK_FORWARD_LIST_WK_GET_OR_RETURN(list, wkList, 0); + + const unsigned currentItem = ewk_back_forward_list_current_item_get(list) ? 1 : 0; + + return WKBackForwardListGetBackListCount(wkList) + WKBackForwardListGetForwardListCount(wkList) + currentItem; +} + + +/** + * @internal + * Updates items cache. + */ +void ewk_back_forward_list_changed(Ewk_Back_Forward_List* list, WKBackForwardListItemRef wkAddedItem, WKArrayRef wkRemovedItems) +{ + addItemToWrapperCache(list, wkAddedItem); // Puts new item to the cache. + + const size_t removedItemsSize = wkRemovedItems ? WKArrayGetSize(wkRemovedItems) : 0; + for (size_t i = 0; i < removedItemsSize; ++i) { + WKBackForwardListItemRef wkItem = static_cast<WKBackForwardListItemRef>(WKArrayGetItemAtIndex(wkRemovedItems, i)); + if (Ewk_Back_Forward_List_Item* item = list->wrapperCache.take(wkItem)) + ewk_back_forward_list_item_unref(item); + } +} + +/** + * @internal + * Constructs a Ewk_Back_Forward_List from a WKBackForwardListRef. + */ +Ewk_Back_Forward_List* ewk_back_forward_list_new(WKBackForwardListRef wkBackForwardListRef) +{ + EINA_SAFETY_ON_NULL_RETURN_VAL(wkBackForwardListRef, 0); + + return new Ewk_Back_Forward_List(wkBackForwardListRef); +} + +/** + * @internal + * Frees a Ewk_Back_Forward_List object. + */ +void ewk_back_forward_list_free(Ewk_Back_Forward_List* list) +{ + EINA_SAFETY_ON_NULL_RETURN(list); + + delete list; +} |