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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/frame/LocalFrame.h"
     32 #include "core/html/HTMLFormElement.h"
     33 #include "core/html/forms/ColorChooser.h"
     34 #include "core/html/forms/DateTimeChooser.h"
     35 #include "core/loader/DocumentLoader.h"
     36 #include "core/storage/StorageNamespace.h"
     37 #include "platform/FileChooser.h"
     38 #include "public/platform/WebApplicationCacheHost.h"
     39 #include "public/platform/WebServiceWorkerProvider.h"
     40 #include "public/platform/WebServiceWorkerProviderClient.h"
     41 
     42 namespace blink {
     43 
     44 void fillWithEmptyClients(Page::PageClients& pageClients)
     45 {
     46     static ChromeClient* dummyChromeClient = adoptPtr(new EmptyChromeClient).leakPtr();
     47     pageClients.chromeClient = dummyChromeClient;
     48 
     49     static ContextMenuClient* dummyContextMenuClient = adoptPtr(new EmptyContextMenuClient).leakPtr();
     50     pageClients.contextMenuClient = dummyContextMenuClient;
     51 
     52     static DragClient* dummyDragClient = adoptPtr(new EmptyDragClient).leakPtr();
     53     pageClients.dragClient = dummyDragClient;
     54 
     55     static EditorClient* dummyEditorClient = adoptPtr(new EmptyEditorClient).leakPtr();
     56     pageClients.editorClient = dummyEditorClient;
     57 
     58     static InspectorClient* dummyInspectorClient = adoptPtr(new EmptyInspectorClient).leakPtr();
     59     pageClients.inspectorClient = dummyInspectorClient;
     60 
     61     static BackForwardClient* dummyBackForwardClient = adoptPtr(new EmptyBackForwardClient).leakPtr();
     62     pageClients.backForwardClient = dummyBackForwardClient;
     63 
     64     static SpellCheckerClient* dummySpellCheckerClient = adoptPtr(new EmptySpellCheckerClient).leakPtr();
     65     pageClients.spellCheckerClient = dummySpellCheckerClient;
     66 
     67     static StorageClient* dummyStorageClient = adoptPtr(new EmptyStorageClient).leakPtr();
     68     pageClients.storageClient = dummyStorageClient;
     69 }
     70 
     71 class EmptyPopupMenu : public PopupMenu {
     72 public:
     73     virtual void show(const FloatQuad&, const IntSize&, int) OVERRIDE { }
     74     virtual void hide() OVERRIDE { }
     75     virtual void updateFromElement() OVERRIDE { }
     76     virtual void disconnectClient() OVERRIDE { }
     77 };
     78 
     79 PassRefPtrWillBeRawPtr<PopupMenu> EmptyChromeClient::createPopupMenu(LocalFrame&, PopupMenuClient*) const
     80 {
     81     return adoptRefWillBeNoop(new EmptyPopupMenu());
     82 }
     83 
     84 PassOwnPtr<ColorChooser> EmptyChromeClient::createColorChooser(LocalFrame*, ColorChooserClient*, const Color&)
     85 {
     86     return nullptr;
     87 }
     88 
     89 PassRefPtr<DateTimeChooser> EmptyChromeClient::openDateTimeChooser(DateTimeChooserClient*, const DateTimeChooserParameters&)
     90 {
     91     return PassRefPtr<DateTimeChooser>();
     92 }
     93 
     94 void EmptyChromeClient::openTextDataListChooser(HTMLInputElement&)
     95 {
     96 }
     97 
     98 void EmptyChromeClient::runOpenPanel(LocalFrame*, PassRefPtr<FileChooser>)
     99 {
    100 }
    101 
    102 String EmptyChromeClient::acceptLanguages()
    103 {
    104     return String();
    105 }
    106 
    107 NavigationPolicy EmptyFrameLoaderClient::decidePolicyForNavigation(const ResourceRequest&, DocumentLoader*, NavigationPolicy, bool isTransitionNavigation)
    108 {
    109     return NavigationPolicyIgnore;
    110 }
    111 
    112 void EmptyFrameLoaderClient::dispatchWillSendSubmitEvent(HTMLFormElement*)
    113 {
    114 }
    115 
    116 void EmptyFrameLoaderClient::dispatchWillSubmitForm(HTMLFormElement*)
    117 {
    118 }
    119 
    120 PassRefPtr<DocumentLoader> EmptyFrameLoaderClient::createDocumentLoader(LocalFrame* frame, const ResourceRequest& request, const SubstituteData& substituteData)
    121 {
    122     return DocumentLoader::create(frame, request, substituteData);
    123 }
    124 
    125 PassRefPtrWillBeRawPtr<LocalFrame> EmptyFrameLoaderClient::createFrame(const KURL&, const AtomicString&, const Referrer&, HTMLFrameOwnerElement*)
    126 {
    127     return nullptr;
    128 }
    129 
    130 PassRefPtr<Widget> EmptyFrameLoaderClient::createPlugin(HTMLPlugInElement*, const KURL&, const Vector<String>&, const Vector<String>&, const String&, bool, DetachedPluginPolicy)
    131 {
    132     return nullptr;
    133 }
    134 
    135 PassRefPtr<Widget> EmptyFrameLoaderClient::createJavaAppletWidget(HTMLAppletElement*, const KURL&, const Vector<String>&, const Vector<String>&)
    136 {
    137     return nullptr;
    138 }
    139 
    140 void EmptyTextCheckerClient::requestCheckingOfString(PassRefPtrWillBeRawPtr<TextCheckingRequest>)
    141 {
    142 }
    143 
    144 void EmptyFrameLoaderClient::didRequestAutocomplete(HTMLFormElement*)
    145 {
    146 }
    147 
    148 PassOwnPtr<blink::WebServiceWorkerProvider> EmptyFrameLoaderClient::createServiceWorkerProvider()
    149 {
    150     return nullptr;
    151 }
    152 
    153 PassOwnPtr<blink::WebApplicationCacheHost> EmptyFrameLoaderClient::createApplicationCacheHost(blink::WebApplicationCacheHostClient*)
    154 {
    155     return nullptr;
    156 }
    157 
    158 PassOwnPtr<StorageNamespace> EmptyStorageClient::createSessionStorageNamespace()
    159 {
    160     return nullptr;
    161 }
    162 
    163 }
    164