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      1 /*
      2  * Copyright (C) 2010 Igalia S.L.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
     14  *     its contributors may be used to endorse or promote products derived
     15  *     from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include "config.h"
     30 #include "EditingCallbacks.h"
     31 
     32 #include "CString.h"
     33 #include "DumpRenderTree.h"
     34 #include "GOwnPtr.h"
     35 #include "LayoutTestController.h"
     36 #include <gtk/gtk.h>
     37 #include <webkit/webkit.h>
     38 
     39 static CString dumpNodePath(WebKitDOMNode* node)
     40 {
     41     GOwnPtr<gchar> nodeName(webkit_dom_node_get_node_name(node));
     42     GString* path = g_string_new(nodeName.get());
     43 
     44     WebKitDOMNode* parent = webkit_dom_node_get_parent_node(node);
     45     while (parent) {
     46         GOwnPtr<gchar> parentName(webkit_dom_node_get_node_name(parent));
     47 
     48         g_string_append(path, " > ");
     49         g_string_append(path, parentName.get());
     50         parent = webkit_dom_node_get_parent_node(parent);
     51     }
     52 
     53     GOwnPtr<gchar> pathBuffer(g_string_free(path, FALSE));
     54     return pathBuffer.get();
     55 }
     56 
     57 static CString dumpRange(WebKitDOMRange* range)
     58 {
     59     if (!range)
     60         return "(null)";
     61 
     62     GOwnPtr<GError> error1;
     63     GOwnPtr<GError> error2;
     64     GOwnPtr<GError> error3;
     65     GOwnPtr<GError> error4;
     66     GOwnPtr<gchar> dump(g_strdup_printf("range from %li of %s to %li of %s",
     67         webkit_dom_range_get_start_offset(range, &error1.outPtr()),
     68         dumpNodePath(webkit_dom_range_get_start_container(range, &error2.outPtr())).data(),
     69         webkit_dom_range_get_end_offset(range, &error3.outPtr()),
     70         dumpNodePath(webkit_dom_range_get_end_container(range, &error4.outPtr())).data()));
     71     return dump.get();
     72 }
     73 
     74 static const char* insertActionString(WebKitInsertAction action)
     75 {
     76     switch (action) {
     77     case WEBKIT_INSERT_ACTION_TYPED:
     78         return "WebViewInsertActionTyped";
     79     case WEBKIT_INSERT_ACTION_PASTED:
     80         return "WebViewInsertActionPasted";
     81     case WEBKIT_INSERT_ACTION_DROPPED:
     82         return "WebViewInsertActionDropped";
     83     }
     84     ASSERT_NOT_REACHED();
     85     return "WebViewInsertActionTyped";
     86 }
     87 
     88 static const char* selectionAffinityString(WebKitSelectionAffinity affinity)
     89 {
     90     switch (affinity) {
     91     case WEBKIT_SELECTION_AFFINITY_UPSTREAM:
     92         return "NSSelectionAffinityUpstream";
     93     case WEBKIT_SELECTION_AFFINITY_DOWNSTREAM:
     94         return "NSSelectionAffinityDownstream";
     95     }
     96     ASSERT_NOT_REACHED();
     97     return "NSSelectionAffinityUpstream";
     98 }
     99 
    100 gboolean shouldBeginEditing(WebKitWebView* webView, WebKitDOMRange* range)
    101 {
    102     if (!done && gLayoutTestController->dumpEditingCallbacks())
    103         printf("EDITING DELEGATE: shouldBeginEditingInDOMRange:%s\n", dumpRange(range).data());
    104     return TRUE;
    105 }
    106 
    107 gboolean shouldEndEditing(WebKitWebView* webView, WebKitDOMRange* range)
    108 {
    109     if (!done && gLayoutTestController->dumpEditingCallbacks())
    110         printf("EDITING DELEGATE: shouldEndEditingInDOMRange:%s\n", dumpRange(range).data());
    111     return TRUE;
    112 }
    113 
    114 gboolean shouldInsertNode(WebKitWebView* webView, WebKitDOMNode* node, WebKitDOMRange* range, WebKitInsertAction action)
    115 {
    116     if (!done && gLayoutTestController->dumpEditingCallbacks()) {
    117         printf("EDITING DELEGATE: shouldInsertNode:%s replacingDOMRange:%s givenAction:%s\n",
    118                dumpNodePath(node).data(), dumpRange(range).data(), insertActionString(action));
    119     }
    120     return TRUE;
    121 }
    122 
    123 gboolean shouldInsertText(WebKitWebView* webView, const gchar* text, WebKitDOMRange* range, WebKitInsertAction action)
    124 {
    125     if (!done && gLayoutTestController->dumpEditingCallbacks()) {
    126         printf("EDITING DELEGATE: shouldInsertText:%s replacingDOMRange:%s givenAction:%s\n",
    127                text, dumpRange(range).data(), insertActionString(action));
    128     }
    129     return TRUE;
    130 }
    131 
    132 gboolean shouldDeleteRange(WebKitWebView* webView, WebKitDOMRange* range)
    133 {
    134     if (!done && gLayoutTestController->dumpEditingCallbacks())
    135         printf("EDITING DELEGATE: shouldDeleteDOMRange:%s\n", dumpRange(range).data());
    136     return TRUE;
    137 }
    138 
    139 gboolean shouldShowDeleteInterfaceForElement(WebKitWebView* webView, WebKitDOMHTMLElement* element)
    140 {
    141     GOwnPtr<gchar> elementClassName(webkit_dom_html_element_get_class_name(element));
    142     return g_str_equal(elementClassName.get(), "needsDeletionUI");
    143 }
    144 
    145 gboolean shouldChangeSelectedRange(WebKitWebView* webView, WebKitDOMRange* fromRange, WebKitDOMRange* toRange, WebKitSelectionAffinity affinity, gboolean stillSelecting)
    146 {
    147     if (!done && gLayoutTestController->dumpEditingCallbacks()) {
    148         printf("EDITING DELEGATE: shouldChangeSelectedDOMRange:%s toDOMRange:%s affinity:%s stillSelecting:%s\n",
    149                dumpRange(fromRange).data(), dumpRange(toRange).data(), selectionAffinityString(affinity),
    150                stillSelecting ? "TRUE" : "FALSE");
    151     }
    152     return TRUE;
    153 }
    154 
    155 gboolean shouldApplyStyle(WebKitWebView* webView, WebKitDOMCSSStyleDeclaration* style, WebKitDOMRange* range)
    156 {
    157     if (!done && gLayoutTestController->dumpEditingCallbacks()) {
    158         GOwnPtr<gchar> styleText(webkit_dom_css_style_declaration_get_css_text(style));
    159         printf("EDITING DELEGATE: shouldApplyStyle:%s toElementsInDOMRange:%s\n",
    160                styleText.get(), dumpRange(range).data());
    161     }
    162     return TRUE;
    163 }
    164 
    165 void editingBegan(WebKitWebView*)
    166 {
    167     if (!done && gLayoutTestController->dumpEditingCallbacks())
    168         printf("EDITING DELEGATE: webViewDidBeginEditing:WebViewDidBeginEditingNotification\n");
    169 }
    170 
    171 void userChangedContents(WebKitWebView*)
    172 {
    173     if (!done && gLayoutTestController->dumpEditingCallbacks())
    174         printf("EDITING DELEGATE: webViewDidChange:WebViewDidChangeNotification\n");
    175 }
    176 
    177 void editingEnded(WebKitWebView*)
    178 {
    179     if (!done && gLayoutTestController->dumpEditingCallbacks())
    180         printf("EDITING DELEGATE: webViewDidEndEditing:WebViewDidEndEditingNotification\n");
    181 }
    182 
    183 void selectionChanged(WebKitWebView*)
    184 {
    185     if (!done && gLayoutTestController->dumpEditingCallbacks())
    186         printf("EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification\n");
    187 }
    188 
    189 void connectEditingCallbacks(WebKitWebView* webView)
    190 {
    191     g_object_connect(G_OBJECT(webView),
    192                      "signal::should-begin-editing", shouldBeginEditing, 0,
    193                      "signal::should-end-editing", shouldEndEditing, 0,
    194                      "signal::should-insert-node", shouldInsertNode, 0,
    195                      "signal::should-insert-text", shouldInsertText, 0,
    196                      "signal::should-delete-range", shouldDeleteRange, 0,
    197                      "signal::should-show-delete-interface-for-element", shouldShowDeleteInterfaceForElement, 0,
    198                      "signal::should-change-selected-range", shouldChangeSelectedRange, 0,
    199                      "signal::should-apply-style", shouldApplyStyle, 0,
    200                      "signal::editing-began", editingBegan, 0,
    201                      "signal::user-changed-contents", userChangedContents, 0,
    202                      "signal::editing-ended", editingEnded, 0,
    203                      "signal::selection-changed", selectionChanged, 0,
    204                      NULL);
    205 }
    206 
    207