1/*
2 * Copyright (C) 2006 Eric Seidel (eric@webkit.org)
3 * Copyright (C) 2008-2017 Apple Inc. All rights reserved.
4 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
5 * Copyright (C) 2012 Samsung Electronics. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
20 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
21 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
24 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#pragma once
30
31#include "ChromeClient.h"
32#include <wtf/UniqueRef.h>
33
34// Empty client classes for use by WebCore.
35//
36// First created for SVGImage as it had no way to access the current Page (nor should it, since Images are not tied to a page).
37// See http://bugs.webkit.org/show_bug.cgi?id=5971 for the original discussion about this file.
38
39namespace WebCore {
40
41class DiagnosticLoggingClient;
42class EditorClient;
43class PageConfiguration;
44
45class EmptyChromeClient : public ChromeClient {
46 WTF_MAKE_FAST_ALLOCATED;
47
48 void chromeDestroyed() override { }
49
50 void setWindowRect(const FloatRect&) final { }
51 FloatRect windowRect() final { return FloatRect(); }
52
53 FloatRect pageRect() final { return FloatRect(); }
54
55 void focus() final { }
56 void unfocus() final { }
57
58 bool canTakeFocus(FocusDirection) final { return false; }
59 void takeFocus(FocusDirection) final { }
60
61 void focusedElementChanged(Element*) final { }
62 void focusedFrameChanged(Frame*) final { }
63
64 Page* createWindow(Frame&, const FrameLoadRequest&, const WindowFeatures&, const NavigationAction&) final { return nullptr; }
65 void show() final { }
66
67 bool canRunModal() final { return false; }
68 void runModal() final { }
69
70 void setToolbarsVisible(bool) final { }
71 bool toolbarsVisible() final { return false; }
72
73 void setStatusbarVisible(bool) final { }
74 bool statusbarVisible() final { return false; }
75
76 void setScrollbarsVisible(bool) final { }
77 bool scrollbarsVisible() final { return false; }
78
79 void setMenubarVisible(bool) final { }
80 bool menubarVisible() final { return false; }
81
82 void setResizable(bool) final { }
83
84 void addMessageToConsole(MessageSource, MessageLevel, const String&, unsigned, unsigned, const String&) final { }
85
86 bool canRunBeforeUnloadConfirmPanel() final { return false; }
87 bool runBeforeUnloadConfirmPanel(const String&, Frame&) final { return true; }
88
89 void closeWindowSoon() final { }
90
91 void runJavaScriptAlert(Frame&, const String&) final { }
92 bool runJavaScriptConfirm(Frame&, const String&) final { return false; }
93 bool runJavaScriptPrompt(Frame&, const String&, const String&, String&) final { return false; }
94
95 bool selectItemWritingDirectionIsNatural() final { return false; }
96 bool selectItemAlignmentFollowsMenuWritingDirection() final { return false; }
97 RefPtr<PopupMenu> createPopupMenu(PopupMenuClient&) const final;
98 RefPtr<SearchPopupMenu> createSearchPopupMenu(PopupMenuClient&) const final;
99
100 void setStatusbarText(const String&) final { }
101
102 KeyboardUIMode keyboardUIMode() final { return KeyboardAccessDefault; }
103
104 void invalidateRootView(const IntRect&) final { }
105 void invalidateContentsAndRootView(const IntRect&) override { }
106 void invalidateContentsForSlowScroll(const IntRect&) final { }
107 void scroll(const IntSize&, const IntRect&, const IntRect&) final { }
108
109 IntPoint screenToRootView(const IntPoint& p) const final { return p; }
110 IntRect rootViewToScreen(const IntRect& r) const final { return r; }
111 IntPoint accessibilityScreenToRootView(const IntPoint& p) const final { return p; };
112 IntRect rootViewToAccessibilityScreen(const IntRect& r) const final { return r; };
113
114 PlatformPageClient platformPageClient() const final { return 0; }
115 void contentsSizeChanged(Frame&, const IntSize&) const final { }
116 void intrinsicContentsSizeChanged(const IntSize&) const final { }
117
118 void mouseDidMoveOverElement(const HitTestResult&, unsigned) final { }
119
120 void setToolTip(const String&, TextDirection) final { }
121
122 void print(Frame&) final { }
123
124 void exceededDatabaseQuota(Frame&, const String&, DatabaseDetails) final { }
125
126 void reachedMaxAppCacheSize(int64_t) final { }
127 void reachedApplicationCacheOriginQuota(SecurityOrigin&, int64_t) final { }
128
129#if ENABLE(INPUT_TYPE_COLOR)
130 std::unique_ptr<ColorChooser> createColorChooser(ColorChooserClient&, const Color&) final;
131#endif
132
133#if ENABLE(DATALIST_ELEMENT)
134 std::unique_ptr<DataListSuggestionPicker> createDataListSuggestionPicker(DataListSuggestionsClient&) final;
135#endif
136
137 void runOpenPanel(Frame&, FileChooser&) final;
138 void showShareSheet(ShareDataWithParsedURL&, CompletionHandler<void(bool)>&&) final;
139 void loadIconForFiles(const Vector<String>&, FileIconLoader&) final { }
140
141 void elementDidFocus(Element&) final { }
142 void elementDidBlur(Element&) final { }
143
144#if !PLATFORM(IOS_FAMILY)
145 void setCursor(const Cursor&) final { }
146 void setCursorHiddenUntilMouseMoves(bool) final { }
147#endif
148
149 void scrollRectIntoView(const IntRect&) const final { }
150
151 void attachRootGraphicsLayer(Frame&, GraphicsLayer*) final { }
152 void attachViewOverlayGraphicsLayer(GraphicsLayer*) final { }
153 void setNeedsOneShotDrawingSynchronization() final { }
154 void scheduleCompositingLayerFlush() final { }
155
156#if PLATFORM(WIN)
157 void setLastSetCursorToCurrentCursor() final { }
158 void AXStartFrameLoad() final { }
159 void AXFinishFrameLoad() final { }
160#endif
161
162#if ENABLE(IOS_TOUCH_EVENTS)
163 void didPreventDefaultForEvent() final { }
164#endif
165
166#if PLATFORM(IOS_FAMILY)
167 void didReceiveMobileDocType(bool) final { }
168 void setNeedsScrollNotifications(Frame&, bool) final { }
169 void observedContentChange(Frame&) final { }
170 void notifyRevealedSelectionByScrollingFrame(Frame&) final { }
171 void didLayout(LayoutType) final { }
172 void didStartOverflowScroll() final { }
173 void didEndOverflowScroll() final { }
174
175 void suppressFormNotifications() final { }
176 void restoreFormNotifications() final { }
177
178 void addOrUpdateScrollingLayer(Node*, PlatformLayer*, PlatformLayer*, const IntSize&, bool, bool) final { }
179 void removeScrollingLayer(Node*, PlatformLayer*, PlatformLayer*) final { }
180
181 void webAppOrientationsUpdated() final { };
182 void showPlaybackTargetPicker(bool, RouteSharingPolicy, const String&) final { };
183#endif // PLATFORM(IOS_FAMILY)
184
185#if ENABLE(ORIENTATION_EVENTS)
186 int deviceOrientation() const final { return 0; }
187#endif
188
189#if PLATFORM(IOS_FAMILY)
190 bool isStopping() final { return false; }
191#endif
192
193 void wheelEventHandlersChanged(bool) final { }
194
195 bool isEmptyChromeClient() const final { return true; }
196
197 void didAssociateFormControls(const Vector<RefPtr<Element>>&, Frame&) final { }
198 bool shouldNotifyOnFormChanges() final { return false; }
199
200 RefPtr<Icon> createIconForFiles(const Vector<String>& /* filenames */) final { return nullptr; }
201};
202
203DiagnosticLoggingClient& emptyDiagnosticLoggingClient();
204WEBCORE_EXPORT PageConfiguration pageConfigurationWithEmptyClients();
205
206}
207