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      1 /*
      2  * Copyright (C) 2007 Alp Toker <alp (at) atoker.com>
      3  *
      4  * This library is free software; you can redistribute it and/or
      5  * modify it under the terms of the GNU Library General Public
      6  * License as published by the Free Software Foundation; either
      7  * version 2 of the License, or (at your option) any later version.
      8  *
      9  * This library is distributed in the hope that it will be useful,
     10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12  * Library General Public License for more details.
     13  *
     14  * You should have received a copy of the GNU Library General Public License
     15  * along with this library; see the file COPYING.LIB.  If not, write to
     16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     17  * Boston, MA 02110-1301, USA.
     18  */
     19 
     20 #include "config.h"
     21 #include "WorkQueueItem.h"
     22 
     23 #include "DumpRenderTree.h"
     24 
     25 #include <GOwnPtr.h>
     26 #include <JavaScriptCore/JSStringRef.h>
     27 #include <webkit/webkit.h>
     28 #include <string.h>
     29 
     30 // Returns a newly allocated UTF-8 character buffer which must be freed with g_free()
     31 gchar* JSStringCopyUTF8CString(JSStringRef jsString)
     32 {
     33     size_t dataSize = JSStringGetMaximumUTF8CStringSize(jsString);
     34     gchar* utf8 = (gchar*)g_malloc(dataSize);
     35     JSStringGetUTF8CString(jsString, utf8, dataSize);
     36 
     37     return utf8;
     38 }
     39 
     40 bool LoadItem::invoke() const
     41 {
     42     gchar* targetString = JSStringCopyUTF8CString(m_target.get());
     43 
     44     WebKitWebFrame* targetFrame;
     45     if (!strlen(targetString))
     46         targetFrame = mainFrame;
     47     else
     48         targetFrame = webkit_web_frame_find_frame(mainFrame, targetString);
     49     g_free(targetString);
     50 
     51     gchar* urlString = JSStringCopyUTF8CString(m_url.get());
     52     WebKitNetworkRequest* request = webkit_network_request_new(urlString);
     53     g_free(urlString);
     54     webkit_web_frame_load_request(targetFrame, request);
     55     g_object_unref(request);
     56 
     57     return true;
     58 }
     59 
     60 bool LoadHTMLStringItem::invoke() const
     61 {
     62     GOwnPtr<gchar> content(JSStringCopyUTF8CString(m_content.get()));
     63     GOwnPtr<gchar> baseURL(JSStringCopyUTF8CString(m_baseURL.get()));
     64 
     65     if (m_unreachableURL) {
     66         GOwnPtr<gchar> unreachableURL(JSStringCopyUTF8CString(m_unreachableURL.get()));
     67         webkit_web_frame_load_alternate_string(mainFrame, content.get(), baseURL.get(), unreachableURL.get());
     68         return true;
     69     }
     70     webkit_web_frame_load_string(mainFrame, content.get(), 0, 0, baseURL.get());
     71     return true;
     72 }
     73 
     74 bool ReloadItem::invoke() const
     75 {
     76     webkit_web_frame_reload(mainFrame);
     77     return true;
     78 }
     79 
     80 bool ScriptItem::invoke() const
     81 {
     82     WebKitWebView* webView = webkit_web_frame_get_web_view(mainFrame);
     83     gchar* scriptString = JSStringCopyUTF8CString(m_script.get());
     84     webkit_web_view_execute_script(webView, scriptString);
     85     g_free(scriptString);
     86     return true;
     87 }
     88 
     89 bool BackForwardItem::invoke() const
     90 {
     91     WebKitWebView* webView = webkit_web_frame_get_web_view(mainFrame);
     92     if (m_howFar == 1)
     93         webkit_web_view_go_forward(webView);
     94     else if (m_howFar == -1)
     95         webkit_web_view_go_back(webView);
     96     else {
     97         WebKitWebBackForwardList* webBackForwardList = webkit_web_view_get_back_forward_list(webView);
     98         WebKitWebHistoryItem* item = webkit_web_back_forward_list_get_nth_item(webBackForwardList, m_howFar);
     99         webkit_web_view_go_to_back_forward_item(webView, item);
    100     }
    101     return true;
    102 }
    103