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author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 19:30:52 -0800 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 19:30:52 -0800 |
commit | 8e35f3cfc7fba1d1c829dc557ebad6409cbe16a2 (patch) | |
tree | 11425ea0b299d6fb89c6d3618a22d97d5bf68d0f /WebKit/gtk/webkit/webkitwebbackforwardlist.cpp | |
parent | 648161bb0edfc3d43db63caed5cc5213bc6cb78f (diff) | |
download | external_webkit-8e35f3cfc7fba1d1c829dc557ebad6409cbe16a2.zip external_webkit-8e35f3cfc7fba1d1c829dc557ebad6409cbe16a2.tar.gz external_webkit-8e35f3cfc7fba1d1c829dc557ebad6409cbe16a2.tar.bz2 |
auto import from //depot/cupcake/@135843
Diffstat (limited to 'WebKit/gtk/webkit/webkitwebbackforwardlist.cpp')
-rw-r--r-- | WebKit/gtk/webkit/webkitwebbackforwardlist.cpp | 379 |
1 files changed, 379 insertions, 0 deletions
diff --git a/WebKit/gtk/webkit/webkitwebbackforwardlist.cpp b/WebKit/gtk/webkit/webkitwebbackforwardlist.cpp new file mode 100644 index 0000000..ff68dad --- /dev/null +++ b/WebKit/gtk/webkit/webkitwebbackforwardlist.cpp @@ -0,0 +1,379 @@ +/* + * Copyright (C) 2008 Jan Michael C. Alonzo + * + * 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 "webkitwebbackforwardlist.h" +#include "webkitprivate.h" +#include "webkitwebhistoryitem.h" +#include "webkitwebview.h" + +#include <glib.h> + +#include "BackForwardList.h" +#include "HistoryItem.h" + +using namespace WebKit; + +extern "C" { + +struct _WebKitWebBackForwardListPrivate { + WebCore::BackForwardList* backForwardList; +}; + +#define WEBKIT_WEB_BACK_FORWARD_LIST_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE((obj), WEBKIT_TYPE_WEB_BACK_FORWARD_LIST, WebKitWebBackForwardListPrivate)) + +G_DEFINE_TYPE(WebKitWebBackForwardList, webkit_web_back_forward_list, G_TYPE_OBJECT); + +static void webkit_web_back_forward_list_class_init(WebKitWebBackForwardListClass* klass) +{ + g_type_class_add_private(klass, sizeof(WebKitWebBackForwardListPrivate)); +} + +static void webkit_web_back_forward_list_init(WebKitWebBackForwardList* webBackForwardList) +{ + webBackForwardList->priv = WEBKIT_WEB_BACK_FORWARD_LIST_GET_PRIVATE(webBackForwardList); +} + +/** + * webkit_web_back_forward_list_new_with_web_view: + * @webView: the back forward list's #WebKitWebView + * + * Creates an instance of the back forward list with a controlling #WebKitWebView + * + * Return value: a #WebKitWebBackForwardList + */ +WebKitWebBackForwardList* webkit_web_back_forward_list_new_with_web_view(WebKitWebView* webView) +{ + g_return_val_if_fail(WEBKIT_IS_WEB_VIEW(webView), NULL); + + WebKitWebBackForwardList* webBackForwardList; + + webBackForwardList = WEBKIT_WEB_BACK_FORWARD_LIST(g_object_new(WEBKIT_TYPE_WEB_BACK_FORWARD_LIST, NULL)); + WebKitWebBackForwardListPrivate* priv = webBackForwardList->priv; + + priv->backForwardList = core(webView)->backForwardList(); + priv->backForwardList->setEnabled(TRUE); + + return webBackForwardList; +} + +/** + * webkit_web_back_forward_list_go_forward: + * @webBackForwardList: a #WebKitWebBackForwardList + * + * Steps forward in the back forward list + */ +void webkit_web_back_forward_list_go_forward(WebKitWebBackForwardList* webBackForwardList) +{ + g_return_if_fail(WEBKIT_IS_WEB_BACK_FORWARD_LIST(webBackForwardList)); + + WebCore::BackForwardList* backForwardList = core(webBackForwardList); + if (backForwardList->enabled()) + backForwardList->goForward(); +} + +/** + * webkit_web_back_forward_list_go_back: + * @webBackForwardList: a #WebKitWebBackForwardList + * + * Steps backward in the back forward list + */ +void webkit_web_back_forward_list_go_back(WebKitWebBackForwardList* webBackForwardList) +{ + g_return_if_fail(WEBKIT_IS_WEB_BACK_FORWARD_LIST(webBackForwardList)); + + WebCore::BackForwardList* backForwardList = core(webBackForwardList); + if (backForwardList->enabled()) + backForwardList->goBack(); +} + +/** + * webkit_web_back_forward_list_contains_item: + * @webBackForwardList: a #WebKitWebBackForwardList + * @webHistoryItem: the #WebKitWebHistoryItem to check + * + * Checks if @webHistoryItem is in the back forward list + * + * Return: %TRUE if @webHistoryItem is in the back forward list, %FALSE if it doesn't + */ +gboolean webkit_web_back_forward_list_contains_item(WebKitWebBackForwardList* webBackForwardList, WebKitWebHistoryItem* webHistoryItem) +{ + g_return_val_if_fail(WEBKIT_IS_WEB_BACK_FORWARD_LIST(webBackForwardList), FALSE); + g_return_val_if_fail(WEBKIT_IS_WEB_HISTORY_ITEM(webHistoryItem), FALSE); + + WebCore::HistoryItem* historyItem = core(webHistoryItem); + + g_return_val_if_fail(historyItem != NULL, FALSE); + + WebCore::BackForwardList* backForwardList = core(webBackForwardList); + + return (backForwardList->enabled() ? backForwardList->containsItem(historyItem) : FALSE); +} + +/** + * webkit_web_back_forward_list_go_to_item: + * @webBackForwardList: a #WebKitWebBackForwardList + * @webHistoryItem: the #WebKitWebHistoryItem to go to + * + * Go to the specified @webHistoryItem in the back forward list + */ +void webkit_web_back_forward_list_go_to_item(WebKitWebBackForwardList* webBackForwardList, WebKitWebHistoryItem* webHistoryItem) +{ + g_return_if_fail(WEBKIT_IS_WEB_BACK_FORWARD_LIST(webBackForwardList)); + g_return_if_fail(WEBKIT_IS_WEB_HISTORY_ITEM(webHistoryItem)); + + WebCore::HistoryItem* historyItem = core(webHistoryItem); + WebCore::BackForwardList* backForwardList = core(webBackForwardList); + + if (backForwardList->enabled() && historyItem) + backForwardList->goToItem(historyItem); +} + +/** + * webkit_web_back_forward_list_get_forward_list_with_limit: + * @webBackForwardList: a #WebKitWebBackForwardList + * @limit: the number of items to retrieve + * + * Returns a list of items that succeed the current item, limited by @limit + * + * Return value: a #GList of items succeeding the current item, limited by @limit + */ +GList* webkit_web_back_forward_list_get_forward_list_with_limit(WebKitWebBackForwardList* webBackForwardList, gint limit) +{ + g_return_val_if_fail(WEBKIT_IS_WEB_BACK_FORWARD_LIST(webBackForwardList), NULL); + + WebCore::BackForwardList* backForwardList = core(webBackForwardList); + if (!backForwardList || !backForwardList->enabled()) + return NULL; + + WebCore::HistoryItemVector items; + GList* forwardItems = { 0 }; + + backForwardList->forwardListWithLimit(limit, items); + + for (unsigned i = 0; i < items.size(); i++) { + WebKitWebHistoryItem* webHistoryItem = webkit_web_history_item_new_with_core_item(items[i].get()); + forwardItems = g_list_prepend(forwardItems, g_object_ref(webHistoryItem)); + } + + return g_list_reverse(forwardItems); +} + +/** + * webkit_web_back_forward_list_get_back_list_with_limit: + * @webBackForwardList: a #WebKitWebBackForwardList + * @limit: the number of items to retrieve + * + * Returns a list of items that precede the current item, limited by @limit + * + * Return value: a #GList of items preceding the current item, limited by @limit + */ +GList* webkit_web_back_forward_list_get_back_list_with_limit(WebKitWebBackForwardList* webBackForwardList, gint limit) +{ + g_return_val_if_fail(WEBKIT_IS_WEB_BACK_FORWARD_LIST(webBackForwardList), NULL); + + WebCore::BackForwardList* backForwardList = core(webBackForwardList); + if (!backForwardList || !backForwardList->enabled()) + return NULL; + + WebCore::HistoryItemVector items; + GList* backItems = { 0 }; + + backForwardList->backListWithLimit(limit, items); + + for (unsigned i = 0; i < items.size(); i++) { + WebKitWebHistoryItem* webHistoryItem = webkit_web_history_item_new_with_core_item(items[i].get()); + backItems = g_list_prepend(backItems, g_object_ref(webHistoryItem)); + } + + return g_list_reverse(backItems); +} +/** + * webkit_web_back_forward_list_get_back_item: + * @webBackForwardList: a #WebBackForwardList + * + * Returns the item that precedes the current item + * + * Return value: the #WebKitWebHistoryItem preceding the current item + */ +WebKitWebHistoryItem* webkit_web_back_forward_list_get_back_item(WebKitWebBackForwardList* webBackForwardList) +{ + g_return_val_if_fail(WEBKIT_IS_WEB_BACK_FORWARD_LIST(webBackForwardList), NULL); + + WebCore::BackForwardList* backForwardList = core(webBackForwardList); + if (!backForwardList || !backForwardList->enabled()) + return NULL; + + WebCore::HistoryItem* historyItem = backForwardList->backItem(); + + return (historyItem ? kit(historyItem) : NULL); +} + +/** + * webkit_web_back_forward_list_get_current_item: + * @webBackForwardList: a #WebKitWebBackForwardList + * + * Returns the current item. + * + * Returns a NULL value if the back forward list is empty + * + * Return value: a #WebKitWebHistoryItem + */ +WebKitWebHistoryItem* webkit_web_back_forward_list_get_current_item(WebKitWebBackForwardList* webBackForwardList) +{ + g_return_val_if_fail(WEBKIT_IS_WEB_BACK_FORWARD_LIST(webBackForwardList), NULL); + + WebCore::BackForwardList* backForwardList = core(webBackForwardList); + if (!backForwardList || !backForwardList->enabled()) + return NULL; + + WebCore::HistoryItem* historyItem = backForwardList->currentItem(); + + return (historyItem ? kit(historyItem) : NULL); +} + +/** + * webkit_web_back_forward_list_get_forward_item: + * @webBackForwardList: a #WebKitWebBackForwardList + * + * Returns the item that succeeds the current item. + * + * Returns a NULL value if there nothing that succeeds the current item + * + * Return value: a #WebKitWebHistoryItem + */ +WebKitWebHistoryItem* webkit_web_back_forward_list_get_forward_item(WebKitWebBackForwardList* webBackForwardList) +{ + g_return_val_if_fail(WEBKIT_IS_WEB_BACK_FORWARD_LIST(webBackForwardList), NULL); + + WebCore::BackForwardList* backForwardList = core(webBackForwardList); + if (!backForwardList || !backForwardList->enabled()) + return NULL; + + WebCore::HistoryItem* historyItem = backForwardList->forwardItem(); + + return (historyItem ? kit(historyItem) : NULL); +} + +/** + * webkit_web_back_forward_list_get_nth_item: + * @webBackForwardList: a #WebKitWebBackForwardList + * @index: the index of the item + * + * Returns the item at a given index relative to the current item. + * + * Return value: the #WebKitWebHistoryItem located at the specified index relative to the current item + */ +WebKitWebHistoryItem* webkit_web_back_forward_list_get_nth_item(WebKitWebBackForwardList* webBackForwardList, gint index) +{ + g_return_val_if_fail(WEBKIT_IS_WEB_BACK_FORWARD_LIST(webBackForwardList), NULL); + + WebCore::BackForwardList* backForwardList = core(webBackForwardList); + if (!backForwardList) + return NULL; + + WebCore::HistoryItem* historyItem = backForwardList->itemAtIndex(index); + + return (historyItem ? kit(historyItem) : NULL); +} + +/** + * webkit_web_back_forward_list_get_back_length: + * @webBackForwardList: a #WebKitWebBackForwardList + * + * Returns the number of items that preced the current item. + * + * Return value: a #gint corresponding to the number of items preceding the current item + */ +gint webkit_web_back_forward_list_get_back_length(WebKitWebBackForwardList* webBackForwardList) +{ + g_return_val_if_fail(WEBKIT_IS_WEB_BACK_FORWARD_LIST(webBackForwardList), 0); + + WebCore::BackForwardList* backForwardList = core(webBackForwardList); + if (!backForwardList || !backForwardList->enabled()) + return 0; + + return backForwardList->backListCount(); +} + +/** + * webkit_web_back_forward_list_get_forward_length: + * @webBackForwardList: a #WebKitWebBackForwardList + * + * Returns the number of items that succeed the current item. + * + * Return value: a #gint corresponding to the nuber of items succeeding the current item + */ +gint webkit_web_back_forward_list_get_forward_length(WebKitWebBackForwardList* webBackForwardList) +{ + g_return_val_if_fail(WEBKIT_IS_WEB_BACK_FORWARD_LIST(webBackForwardList), 0); + + WebCore::BackForwardList* backForwardList = core(webBackForwardList); + if (!backForwardList || !backForwardList->enabled()) + return 0; + + return backForwardList->forwardListCount(); +} + +/** + * webkit_web_back_forward_list_get_limit: + * @webBackForwardList: a #WebKitWebBackForwardList + * + * Returns the maximum limit of the back forward list. + * + * Return value: a #gint indicating the number of #WebHistoryItem the back forward list can hold + */ +gint webkit_web_back_forward_list_get_limit(WebKitWebBackForwardList* webBackForwardList) +{ + g_return_val_if_fail(WEBKIT_IS_WEB_BACK_FORWARD_LIST(webBackForwardList), 0); + + WebCore::BackForwardList* backForwardList = core(webBackForwardList); + if (!backForwardList || !backForwardList->enabled()) + return 0; + + return backForwardList->capacity(); +} + +/** + * webkit_web_back_forward_list_set_limit: + * @webBackForwardList: a #WebKitWebBackForwardList + * @limit: the limit to set the back forward list to + * + * Sets the maximum limit of the back forward list. If the back forward list + * exceeds its capacity, items will be removed everytime a new item has been + * added. + */ +void webkit_web_back_forward_list_set_limit(WebKitWebBackForwardList* webBackForwardList, gint limit) +{ + g_return_if_fail(WEBKIT_IS_WEB_BACK_FORWARD_LIST(webBackForwardList)); + + WebCore::BackForwardList* backForwardList = core(webBackForwardList); + if (backForwardList) + backForwardList->setCapacity(limit); +} + +} /* end extern "C" */ + +WebCore::BackForwardList* WebKit::core(WebKitWebBackForwardList* webBackForwardList) +{ + g_return_val_if_fail(WEBKIT_IS_WEB_BACK_FORWARD_LIST(webBackForwardList), NULL); + + return webBackForwardList->priv ? webBackForwardList->priv->backForwardList : 0; +} |