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      1 /*
      2  * Copyright (C) 2006 Eric Seidel <eric (at) webkit.org>
      3  * Copyright (C) 2008, 2009, 2012 Apple Inc. All rights reserved.
      4  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
     16  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     18  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
     19  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     20  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     22  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     23  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     25  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 #include "config.h"
     29 #include "core/loader/EmptyClients.h"
     30 
     31 #include "core/html/HTMLFormElement.h"
     32 #include "core/loader/DocumentLoader.h"
     33 #include "core/loader/FormState.h"
     34 #include "core/page/Frame.h"
     35 #include "core/platform/ColorChooser.h"
     36 #include "core/platform/DateTimeChooser.h"
     37 #include "core/platform/FileChooser.h"
     38 
     39 namespace WebCore {
     40 
     41 void fillWithEmptyClients(Page::PageClients& pageClients)
     42 {
     43     static ChromeClient* dummyChromeClient = adoptPtr(new EmptyChromeClient).leakPtr();
     44     pageClients.chromeClient = dummyChromeClient;
     45 
     46     static ContextMenuClient* dummyContextMenuClient = adoptPtr(new EmptyContextMenuClient).leakPtr();
     47     pageClients.contextMenuClient = dummyContextMenuClient;
     48 
     49     static DragClient* dummyDragClient = adoptPtr(new EmptyDragClient).leakPtr();
     50     pageClients.dragClient = dummyDragClient;
     51 
     52     static EditorClient* dummyEditorClient = adoptPtr(new EmptyEditorClient).leakPtr();
     53     pageClients.editorClient = dummyEditorClient;
     54 
     55     static InspectorClient* dummyInspectorClient = adoptPtr(new EmptyInspectorClient).leakPtr();
     56     pageClients.inspectorClient = dummyInspectorClient;
     57 
     58     static BackForwardClient* dummyBackForwardClient = adoptPtr(new EmptyBackForwardClient).leakPtr();
     59     pageClients.backForwardClient = dummyBackForwardClient;
     60 }
     61 
     62 class EmptyPopupMenu : public PopupMenu {
     63 public:
     64     virtual void show(const FloatQuad&, const IntSize&, int) OVERRIDE { }
     65     virtual void hide() OVERRIDE { }
     66     virtual void updateFromElement() OVERRIDE { }
     67     virtual void disconnectClient() OVERRIDE { }
     68 };
     69 
     70 PassRefPtr<PopupMenu> EmptyChromeClient::createPopupMenu(Frame&, PopupMenuClient*) const
     71 {
     72     return adoptRef(new EmptyPopupMenu());
     73 }
     74 
     75 PassOwnPtr<ColorChooser> EmptyChromeClient::createColorChooser(ColorChooserClient*, const Color&)
     76 {
     77     return nullptr;
     78 }
     79 
     80 PassRefPtr<DateTimeChooser> EmptyChromeClient::openDateTimeChooser(DateTimeChooserClient*, const DateTimeChooserParameters&)
     81 {
     82     return PassRefPtr<DateTimeChooser>();
     83 }
     84 
     85 void EmptyChromeClient::runOpenPanel(Frame*, PassRefPtr<FileChooser>)
     86 {
     87 }
     88 
     89 String EmptyChromeClient::acceptLanguages()
     90 {
     91     return String();
     92 }
     93 
     94 NavigationPolicy EmptyFrameLoaderClient::decidePolicyForNavigation(const ResourceRequest&, DocumentLoader*, NavigationPolicy)
     95 {
     96     return NavigationPolicyIgnore;
     97 }
     98 
     99 bool EmptyFrameLoaderClient::shouldAbortNavigationAfterUrlResolve(const KURL& base, const String& fragment, const KURL& result) {
    100   return false;
    101 }
    102 
    103 void EmptyFrameLoaderClient::dispatchWillSendSubmitEvent(PassRefPtr<FormState>)
    104 {
    105 }
    106 
    107 void EmptyFrameLoaderClient::dispatchWillSubmitForm(PassRefPtr<FormState>)
    108 {
    109 }
    110 
    111 PassRefPtr<DocumentLoader> EmptyFrameLoaderClient::createDocumentLoader(const ResourceRequest& request, const SubstituteData& substituteData)
    112 {
    113     return DocumentLoader::create(request, substituteData);
    114 }
    115 
    116 PassRefPtr<Frame> EmptyFrameLoaderClient::createFrame(const KURL&, const String&, HTMLFrameOwnerElement*, const String&, bool, int, int)
    117 {
    118     return 0;
    119 }
    120 
    121 PassRefPtr<Widget> EmptyFrameLoaderClient::createPlugin(const IntSize&, HTMLPlugInElement*, const KURL&, const Vector<String>&, const Vector<String>&, const String&, bool)
    122 {
    123     return 0;
    124 }
    125 
    126 PassRefPtr<Widget> EmptyFrameLoaderClient::createJavaAppletWidget(const IntSize&, HTMLAppletElement*, const KURL&, const Vector<String>&, const Vector<String>&)
    127 {
    128     return 0;
    129 }
    130 
    131 void EmptyTextCheckerClient::requestCheckingOfString(PassRefPtr<TextCheckingRequest>)
    132 {
    133 }
    134 
    135 void EmptyEditorClient::registerUndoStep(PassRefPtr<UndoStep>)
    136 {
    137 }
    138 
    139 void EmptyEditorClient::registerRedoStep(PassRefPtr<UndoStep>)
    140 {
    141 }
    142 
    143 void EmptyFrameLoaderClient::didRequestAutocomplete(PassRefPtr<FormState>)
    144 {
    145 }
    146 
    147 }
    148