REGRESSION (r233480): Mail contents flash black when activating
[WebKit-https.git] / Source / WebKit / UIProcess / ios / WebPageProxyIOS.mm
1 /*
2  * Copyright (C) 2012-2017 Apple Inc. All rights reserved.
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  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23  * THE POSSIBILITY OF SUCH DAMAGE.
24  */
25
26 #import "config.h"
27 #import "WebPageProxy.h"
28
29 #if PLATFORM(IOS)
30
31 #import "APIUIClient.h"
32 #import "DataReference.h"
33 #import "EditingRange.h"
34 #import "InteractionInformationAtPosition.h"
35 #import "Logging.h"
36 #import "NativeWebKeyboardEvent.h"
37 #import "NavigationState.h"
38 #import "PageClient.h"
39 #import "PrintInfo.h"
40 #import "RemoteLayerTreeDrawingAreaProxy.h"
41 #import "RemoteLayerTreeDrawingAreaProxyMessages.h"
42 #import "RemoteLayerTreeTransaction.h"
43 #import "UIKitSPI.h"
44 #import "UserData.h"
45 #import "VideoFullscreenManagerProxy.h"
46 #import "ViewUpdateDispatcherMessages.h"
47 #import "WKBrowsingContextControllerInternal.h"
48 #import "WebPageMessages.h"
49 #import "WebProcessProxy.h"
50 #import <WebCore/FrameView.h>
51 #import <WebCore/NotImplemented.h>
52 #import <WebCore/PlatformScreen.h>
53 #import <WebCore/SharedBuffer.h>
54 #import <WebCore/UserAgent.h>
55 #import <WebCore/ValidationBubble.h>
56 #import <wtf/text/TextStream.h>
57
58 #if USE(QUICK_LOOK)
59 #import "APILoaderClient.h"
60 #import "APINavigationClient.h"
61 #import <wtf/text/WTFString.h>
62 #endif
63
64 using namespace WebCore;
65
66 namespace WebKit {
67
68 void WebPageProxy::platformInitialize()
69 {
70 }
71
72 String WebPageProxy::standardUserAgent(const String& applicationNameForUserAgent)
73 {
74     return standardUserAgentWithApplicationName(applicationNameForUserAgent);
75 }
76
77 void WebPageProxy::getIsSpeaking(bool&)
78 {
79     notImplemented();
80 }
81
82 void WebPageProxy::speak(const String&)
83 {
84     notImplemented();
85 }
86
87 void WebPageProxy::stopSpeaking()
88 {
89     notImplemented();
90 }
91
92 void WebPageProxy::searchWithSpotlight(const String&)
93 {
94     notImplemented();
95 }
96
97 void WebPageProxy::searchTheWeb(const String&)
98 {
99     notImplemented();
100 }
101
102 void WebPageProxy::windowAndViewFramesChanged(const FloatRect&, const FloatPoint&)
103 {
104     notImplemented();
105 }
106
107 String WebPageProxy::stringSelectionForPasteboard()
108 {
109     notImplemented();
110     return String();
111 }
112
113 RefPtr<WebCore::SharedBuffer> WebPageProxy::dataSelectionForPasteboard(const String&)
114 {
115     notImplemented();
116     return nullptr;
117 }
118
119 bool WebPageProxy::readSelectionFromPasteboard(const String&)
120 {
121     notImplemented();
122     return false;
123 }
124
125 void WebPageProxy::performDictionaryLookupAtLocation(const WebCore::FloatPoint&)
126 {
127     notImplemented();
128 }
129
130 void WebPageProxy::gestureCallback(const WebCore::IntPoint& point, uint32_t gestureType, uint32_t gestureState, uint32_t flags, CallbackID callbackID)
131 {
132     auto callback = m_callbacks.take<GestureCallback>(callbackID);
133     if (!callback) {
134         ASSERT_NOT_REACHED();
135         return;
136     }
137     
138     callback->performCallbackWithReturnValue(point, gestureType, gestureState, flags);
139 }
140
141 void WebPageProxy::touchesCallback(const WebCore::IntPoint& point, uint32_t touches, uint32_t flags, CallbackID callbackID)
142 {
143     auto callback = m_callbacks.take<TouchesCallback>(callbackID);
144     if (!callback) {
145         ASSERT_NOT_REACHED();
146         return;
147     }
148
149     callback->performCallbackWithReturnValue(point, touches, flags);
150 }
151
152 void WebPageProxy::autocorrectionDataCallback(const Vector<WebCore::FloatRect>& rects, const String& fontName, float fontSize, uint64_t fontTraits, CallbackID callbackID)
153 {
154     auto callback = m_callbacks.take<AutocorrectionDataCallback>(callbackID);
155     if (!callback) {
156         ASSERT_NOT_REACHED();
157         return;
158     }
159
160     callback->performCallbackWithReturnValue(rects, fontName, fontSize, fontTraits);
161 }
162
163 void WebPageProxy::selectionContextCallback(const String& selectedText, const String& beforeText, const String& afterText, CallbackID callbackID)
164 {
165     auto callback = m_callbacks.take<SelectionContextCallback>(callbackID);
166     if (!callback) {
167         ASSERT_NOT_REACHED();
168         return;
169     }
170
171     callback->performCallbackWithReturnValue(selectedText, beforeText, afterText);
172 }
173
174 void WebPageProxy::autocorrectionContextCallback(const String& beforeText, const String& markedText, const String& selectedText, const String& afterText, uint64_t location, uint64_t length, CallbackID callbackID)
175 {
176     auto callback = m_callbacks.take<AutocorrectionContextCallback>(callbackID);
177     if (!callback) {
178         ASSERT_NOT_REACHED();
179         return;
180     }
181
182     callback->performCallbackWithReturnValue(beforeText, markedText, selectedText, afterText, location, length);
183 }
184
185 void WebPageProxy::selectionRectsCallback(const Vector<WebCore::SelectionRect>& selectionRects, CallbackID callbackID)
186 {
187     auto callback = m_callbacks.take<SelectionRectsCallback>(callbackID);
188     if (!callback) {
189         ASSERT_NOT_REACHED();
190         return;
191     }
192     
193     callback->performCallbackWithReturnValue(selectionRects);
194 }
195
196 void WebPageProxy::assistedNodeInformationCallback(const AssistedNodeInformation& info, CallbackID callbackID)
197 {
198     auto callback = m_callbacks.take<AssistedNodeInformationCallback>(callbackID);
199     if (!callback) {
200         ASSERT_NOT_REACHED();
201         return;
202     }
203
204     callback->performCallbackWithReturnValue(info);
205 }
206
207 void WebPageProxy::requestAssistedNodeInformation(Function<void(const AssistedNodeInformation&, CallbackBase::Error)>&& callback)
208 {
209     if (!isValid()) {
210         callback({ }, CallbackBase::Error::OwnerWasInvalidated);
211         return;
212     }
213
214     auto callbackID = m_callbacks.put(WTFMove(callback), m_process->throttler().backgroundActivityToken());
215     m_process->send(Messages::WebPage::RequestAssistedNodeInformation(callbackID), m_pageID);
216 }
217
218 void WebPageProxy::updateVisibleContentRects(const VisibleContentRectUpdateInfo& visibleContentRectUpdate)
219 {
220     if (!isValid())
221         return;
222
223     if (visibleContentRectUpdate == m_lastVisibleContentRectUpdate)
224         return;
225
226     m_lastVisibleContentRectUpdate = visibleContentRectUpdate;
227     m_process->send(Messages::ViewUpdateDispatcher::VisibleContentRectUpdate(m_pageID, visibleContentRectUpdate), 0);
228 }
229
230 void WebPageProxy::resendLastVisibleContentRects()
231 {
232     m_process->send(Messages::ViewUpdateDispatcher::VisibleContentRectUpdate(m_pageID, m_lastVisibleContentRectUpdate), 0);
233 }
234
235 static inline float adjustedUnexposedEdge(float documentEdge, float exposedRectEdge, float factor)
236 {
237     if (exposedRectEdge < documentEdge)
238         return documentEdge - factor * (documentEdge - exposedRectEdge);
239     
240     return exposedRectEdge;
241 }
242
243 static inline float adjustedUnexposedMaxEdge(float documentEdge, float exposedRectEdge, float factor)
244 {
245     if (exposedRectEdge > documentEdge)
246         return documentEdge + factor * (exposedRectEdge - documentEdge);
247     
248     return exposedRectEdge;
249 }
250
251 // FIXME: rename this when visual viewports are the default.
252 WebCore::FloatRect WebPageProxy::computeCustomFixedPositionRect(const FloatRect& unobscuredContentRect, const FloatRect& unobscuredContentRectRespectingInputViewBounds, const FloatRect& currentCustomFixedPositionRect, double displayedContentScale, FrameView::LayoutViewportConstraint constraint, bool visualViewportEnabled) const
253 {
254     FloatRect constrainedUnobscuredRect = unobscuredContentRect;
255     FloatRect documentRect = m_pageClient.documentRect();
256
257     if (!visualViewportEnabled && m_pageClient.isAssistingNode())
258         return documentRect;
259
260     if (constraint == FrameView::LayoutViewportConstraint::ConstrainedToDocumentRect)
261         constrainedUnobscuredRect.intersect(documentRect);
262
263     double minimumScale = m_pageClient.minimumZoomScale();
264     bool isBelowMinimumScale = displayedContentScale < minimumScale;
265     if (isBelowMinimumScale) {
266         const CGFloat slope = 12;
267         CGFloat factor = std::max<CGFloat>(1 - slope * (minimumScale - displayedContentScale), 0);
268             
269         constrainedUnobscuredRect.setX(adjustedUnexposedEdge(documentRect.x(), constrainedUnobscuredRect.x(), factor));
270         constrainedUnobscuredRect.setY(adjustedUnexposedEdge(documentRect.y(), constrainedUnobscuredRect.y(), factor));
271         constrainedUnobscuredRect.setWidth(adjustedUnexposedMaxEdge(documentRect.maxX(), constrainedUnobscuredRect.maxX(), factor) - constrainedUnobscuredRect.x());
272         constrainedUnobscuredRect.setHeight(adjustedUnexposedMaxEdge(documentRect.maxY(), constrainedUnobscuredRect.maxY(), factor) - constrainedUnobscuredRect.y());
273     }
274
275     if (!visualViewportEnabled)
276         return FrameView::rectForViewportConstrainedObjects(enclosingLayoutRect(constrainedUnobscuredRect), LayoutSize(documentRect.size()), displayedContentScale, false, StickToViewportBounds);
277         
278     FloatSize constrainedSize = isBelowMinimumScale ? constrainedUnobscuredRect.size() : unobscuredContentRect.size();
279     FloatRect unobscuredContentRectForViewport = isBelowMinimumScale ? constrainedUnobscuredRect : unobscuredContentRectRespectingInputViewBounds;
280
281     auto layoutViewportSize = FrameView::expandedLayoutViewportSize(m_baseLayoutViewportSize, LayoutSize(documentRect.size()), m_preferences->layoutViewportHeightExpansionFactor());
282     FloatRect layoutViewportRect = FrameView::computeUpdatedLayoutViewportRect(LayoutRect(currentCustomFixedPositionRect), LayoutRect(documentRect), LayoutSize(constrainedSize), LayoutRect(unobscuredContentRectForViewport), layoutViewportSize, m_minStableLayoutViewportOrigin, m_maxStableLayoutViewportOrigin, constraint);
283     
284     if (layoutViewportRect != currentCustomFixedPositionRect)
285         LOG_WITH_STREAM(VisibleRects, stream << "WebPageProxy::computeCustomFixedPositionRect: new layout viewport  " << layoutViewportRect);
286     return layoutViewportRect;
287 }
288
289 void WebPageProxy::overflowScrollViewWillStartPanGesture()
290 {
291     m_pageClient.overflowScrollViewWillStartPanGesture();
292 }
293
294 void WebPageProxy::overflowScrollViewDidScroll()
295 {
296     m_pageClient.overflowScrollViewDidScroll();
297 }
298
299 void WebPageProxy::overflowScrollWillStartScroll()
300 {
301     m_pageClient.overflowScrollWillStartScroll();
302 }
303
304 void WebPageProxy::overflowScrollDidEndScroll()
305 {
306     m_pageClient.overflowScrollDidEndScroll();
307 }
308
309 void WebPageProxy::dynamicViewportSizeUpdate(const FloatSize& viewLayoutSize, const WebCore::FloatSize& maximumUnobscuredSize, const FloatRect& targetExposedContentRect, const FloatRect& targetUnobscuredRect, const FloatRect& targetUnobscuredRectInScrollViewCoordinates, const WebCore::FloatBoxExtent& unobscuredSafeAreaInsets, double targetScale, int32_t deviceOrientation, DynamicViewportSizeUpdateID dynamicViewportSizeUpdateID)
310 {
311     if (!isValid())
312         return;
313
314     hideValidationMessage();
315
316     m_process->send(Messages::WebPage::DynamicViewportSizeUpdate(viewLayoutSize,
317         maximumUnobscuredSize, targetExposedContentRect, targetUnobscuredRect,
318         targetUnobscuredRectInScrollViewCoordinates, unobscuredSafeAreaInsets,
319         targetScale, deviceOrientation, dynamicViewportSizeUpdateID), m_pageID);
320 }
321
322 void WebPageProxy::setViewportConfigurationViewLayoutSize(const WebCore::FloatSize& size)
323 {
324     m_viewportConfigurationViewLayoutSize = size;
325
326     if (isValid())
327         m_process->send(Messages::WebPage::SetViewportConfigurationViewLayoutSize(size), m_pageID);
328 }
329
330 void WebPageProxy::setForceAlwaysUserScalable(bool userScalable)
331 {
332     if (m_forceAlwaysUserScalable == userScalable)
333         return;
334     m_forceAlwaysUserScalable = userScalable;
335
336     if (isValid())
337         m_process->send(Messages::WebPage::SetForceAlwaysUserScalable(userScalable), m_pageID);
338 }
339
340 void WebPageProxy::setMaximumUnobscuredSize(const WebCore::FloatSize& size)
341 {
342     m_maximumUnobscuredSize = size;
343
344     if (isValid())
345         m_process->send(Messages::WebPage::SetMaximumUnobscuredSize(size), m_pageID);
346 }
347
348 void WebPageProxy::setDeviceOrientation(int32_t deviceOrientation)
349 {
350     if (deviceOrientation != m_deviceOrientation) {
351         m_deviceOrientation = deviceOrientation;
352         if (isValid())
353             m_process->send(Messages::WebPage::SetDeviceOrientation(deviceOrientation), m_pageID);
354     }
355 }
356
357 void WebPageProxy::setOverrideViewportArguments(const std::optional<ViewportArguments>& viewportArguments)
358 {
359     if (isValid())
360         m_process->send(Messages::WebPage::SetOverrideViewportArguments(viewportArguments), m_pageID);
361 }
362
363 static bool exceedsRenderTreeSizeSizeThreshold(uint64_t thresholdSize, uint64_t committedSize)
364 {
365     const double thesholdSizeFraction = 0.5; // Empirically-derived.
366     return committedSize > thresholdSize * thesholdSizeFraction;
367 }
368
369 void WebPageProxy::didCommitLayerTree(const WebKit::RemoteLayerTreeTransaction& layerTreeTransaction)
370 {
371     m_pageExtendedBackgroundColor = layerTreeTransaction.pageExtendedBackgroundColor();
372
373     if (!m_hasReceivedLayerTreeTransactionAfterDidCommitLoad) {
374         if (layerTreeTransaction.transactionID() >= m_firstLayerTreeTransactionIdAfterDidCommitLoad) {
375             m_hasReceivedLayerTreeTransactionAfterDidCommitLoad = true;
376             m_lastVisibleContentRectUpdate = VisibleContentRectUpdateInfo();
377         }
378     }
379
380     m_pageClient.didCommitLayerTree(layerTreeTransaction);
381
382     // FIXME: Remove this special mechanism and fold it into the transaction's layout milestones.
383     if ((m_observedLayoutMilestones & WebCore::ReachedSessionRestorationRenderTreeSizeThreshold) && !m_hitRenderTreeSizeThreshold
384         && exceedsRenderTreeSizeSizeThreshold(m_sessionRestorationRenderTreeSize, layerTreeTransaction.renderTreeSize())) {
385         m_hitRenderTreeSizeThreshold = true;
386         didReachLayoutMilestone(WebCore::ReachedSessionRestorationRenderTreeSizeThreshold);
387     }
388
389     if (m_deferredNodeAssistanceArguments) {
390         m_pageClient.startAssistingNode(m_deferredNodeAssistanceArguments->m_nodeInformation, m_deferredNodeAssistanceArguments->m_userIsInteracting, m_deferredNodeAssistanceArguments->m_blurPreviousNode,
391             m_deferredNodeAssistanceArguments->m_changingActivityState, m_deferredNodeAssistanceArguments->m_userData.get());
392         m_deferredNodeAssistanceArguments = nullptr;
393     }
394 }
395
396 bool WebPageProxy::updateLayoutViewportParameters(const WebKit::RemoteLayerTreeTransaction& layerTreeTransaction)
397 {
398     if (m_baseLayoutViewportSize == layerTreeTransaction.baseLayoutViewportSize()
399         && m_minStableLayoutViewportOrigin == layerTreeTransaction.minStableLayoutViewportOrigin()
400         && m_maxStableLayoutViewportOrigin == layerTreeTransaction.maxStableLayoutViewportOrigin())
401         return false;
402
403     m_baseLayoutViewportSize = layerTreeTransaction.baseLayoutViewportSize();
404     m_minStableLayoutViewportOrigin = layerTreeTransaction.minStableLayoutViewportOrigin();
405     m_maxStableLayoutViewportOrigin = layerTreeTransaction.maxStableLayoutViewportOrigin();
406
407     LOG_WITH_STREAM(VisibleRects, stream << "WebPageProxy::updateLayoutViewportParameters: baseLayoutViewportSize: " << m_baseLayoutViewportSize << " minStableLayoutViewportOrigin: " << m_minStableLayoutViewportOrigin << " maxStableLayoutViewportOrigin: " << m_maxStableLayoutViewportOrigin);
408
409     return true;
410 }
411
412 void WebPageProxy::layerTreeCommitComplete()
413 {
414     m_pageClient.layerTreeCommitComplete();
415 }
416
417 void WebPageProxy::selectWithGesture(const WebCore::IntPoint point, WebCore::TextGranularity granularity, uint32_t gestureType, uint32_t gestureState, bool isInteractingWithAssistedNode, WTF::Function<void (const WebCore::IntPoint&, uint32_t, uint32_t, uint32_t, CallbackBase::Error)>&& callbackFunction)
418 {
419     if (!isValid()) {
420         callbackFunction(WebCore::IntPoint(), 0, 0, 0, CallbackBase::Error::Unknown);
421         return;
422     }
423
424     auto callbackID = m_callbacks.put(WTFMove(callbackFunction), m_process->throttler().backgroundActivityToken());
425     m_process->send(Messages::WebPage::SelectWithGesture(point, (uint32_t)granularity, gestureType, gestureState, isInteractingWithAssistedNode, callbackID), m_pageID);
426 }
427
428 void WebPageProxy::updateSelectionWithTouches(const WebCore::IntPoint point, uint32_t touches, bool baseIsStart, WTF::Function<void (const WebCore::IntPoint&, uint32_t, uint32_t, CallbackBase::Error)>&& callbackFunction)
429 {
430     if (!isValid()) {
431         callbackFunction(WebCore::IntPoint(), 0, 0, CallbackBase::Error::Unknown);
432         return;
433     }
434
435     auto callbackID = m_callbacks.put(WTFMove(callbackFunction), m_process->throttler().backgroundActivityToken());
436     m_process->send(Messages::WebPage::UpdateSelectionWithTouches(point, touches, baseIsStart, callbackID), m_pageID);
437 }
438     
439 void WebPageProxy::replaceDictatedText(const String& oldText, const String& newText)
440 {
441     m_process->send(Messages::WebPage::ReplaceDictatedText(oldText, newText), m_pageID);
442 }
443
444 void WebPageProxy::replaceSelectedText(const String& oldText, const String& newText)
445 {
446     m_process->send(Messages::WebPage::ReplaceSelectedText(oldText, newText), m_pageID);
447 }
448
449 void WebPageProxy::requestAutocorrectionData(const String& textForAutocorrection, WTF::Function<void (const Vector<WebCore::FloatRect>&, const String&, double, uint64_t, CallbackBase::Error)>&& callbackFunction)
450 {
451     if (!isValid()) {
452         callbackFunction(Vector<WebCore::FloatRect>(), String(), 0, 0, CallbackBase::Error::Unknown);
453         return;
454     }
455
456     auto callbackID = m_callbacks.put(WTFMove(callbackFunction), m_process->throttler().backgroundActivityToken());
457     m_process->send(Messages::WebPage::RequestAutocorrectionData(textForAutocorrection, callbackID), m_pageID);
458 }
459
460 void WebPageProxy::applyAutocorrection(const String& correction, const String& originalText, WTF::Function<void (const String&, CallbackBase::Error)>&& callbackFunction)
461 {
462     if (!isValid()) {
463         callbackFunction(String(), CallbackBase::Error::Unknown);
464         return;
465     }
466
467     auto callbackID = m_callbacks.put(WTFMove(callbackFunction), m_process->throttler().backgroundActivityToken());
468     m_process->send(Messages::WebPage::ApplyAutocorrection(correction, originalText, callbackID), m_pageID);
469 }
470
471 bool WebPageProxy::applyAutocorrection(const String& correction, const String& originalText)
472 {
473     bool autocorrectionApplied = false;
474     m_process->sendSync(Messages::WebPage::SyncApplyAutocorrection(correction, originalText), Messages::WebPage::SyncApplyAutocorrection::Reply(autocorrectionApplied), m_pageID);
475     return autocorrectionApplied;
476 }
477
478 void WebPageProxy::selectTextWithGranularityAtPoint(const WebCore::IntPoint point, WebCore::TextGranularity granularity, bool isInteractingWithAssistedNode, WTF::Function<void (CallbackBase::Error)>&& callbackFunction)
479 {
480     if (!isValid()) {
481         callbackFunction(CallbackBase::Error::Unknown);
482         return;
483     }
484     
485     auto callbackID = m_callbacks.put(WTFMove(callbackFunction), m_process->throttler().backgroundActivityToken());
486     m_process->send(Messages::WebPage::SelectTextWithGranularityAtPoint(point, static_cast<uint32_t>(granularity), isInteractingWithAssistedNode, callbackID), m_pageID);
487 }
488
489 void WebPageProxy::selectPositionAtBoundaryWithDirection(const WebCore::IntPoint point, WebCore::TextGranularity granularity, WebCore::SelectionDirection direction, bool isInteractingWithAssistedNode, WTF::Function<void (CallbackBase::Error)>&& callbackFunction)
490 {
491     if (!isValid()) {
492         callbackFunction(CallbackBase::Error::Unknown);
493         return;
494     }
495     
496     auto callbackID = m_callbacks.put(WTFMove(callbackFunction), m_process->throttler().backgroundActivityToken());
497     m_process->send(Messages::WebPage::SelectPositionAtBoundaryWithDirection(point, static_cast<uint32_t>(granularity), static_cast<uint32_t>(direction), isInteractingWithAssistedNode, callbackID), m_pageID);
498 }
499
500 void WebPageProxy::moveSelectionAtBoundaryWithDirection(WebCore::TextGranularity granularity, WebCore::SelectionDirection direction, WTF::Function<void(CallbackBase::Error)>&& callbackFunction)
501 {
502     if (!isValid()) {
503         callbackFunction(CallbackBase::Error::Unknown);
504         return;
505     }
506     
507     auto callbackID = m_callbacks.put(WTFMove(callbackFunction), m_process->throttler().backgroundActivityToken());
508     m_process->send(Messages::WebPage::MoveSelectionAtBoundaryWithDirection(static_cast<uint32_t>(granularity), static_cast<uint32_t>(direction), callbackID), m_pageID);
509 }
510     
511 void WebPageProxy::selectPositionAtPoint(const WebCore::IntPoint point, bool isInteractingWithAssistedNode, WTF::Function<void (CallbackBase::Error)>&& callbackFunction)
512 {
513     if (!isValid()) {
514         callbackFunction(CallbackBase::Error::Unknown);
515         return;
516     }
517     
518     auto callbackID = m_callbacks.put(WTFMove(callbackFunction), m_process->throttler().backgroundActivityToken());
519     m_process->send(Messages::WebPage::SelectPositionAtPoint(point, isInteractingWithAssistedNode, callbackID), m_pageID);
520 }
521
522 void WebPageProxy::beginSelectionInDirection(WebCore::SelectionDirection direction, WTF::Function<void (uint64_t, CallbackBase::Error)>&& callbackFunction)
523 {
524     if (!isValid()) {
525         callbackFunction(0, CallbackBase::Error::Unknown);
526         return;
527     }
528     
529     auto callbackID = m_callbacks.put(WTFMove(callbackFunction), m_process->throttler().backgroundActivityToken());
530     m_process->send(Messages::WebPage::BeginSelectionInDirection(direction, callbackID), m_pageID);
531 }
532
533 void WebPageProxy::updateSelectionWithExtentPoint(const WebCore::IntPoint point, bool isInteractingWithAssistedNode, WTF::Function<void (uint64_t, CallbackBase::Error)>&& callbackFunction)
534 {
535     if (!isValid()) {
536         callbackFunction(0, CallbackBase::Error::Unknown);
537         return;
538     }
539     
540     auto callbackID = m_callbacks.put(WTFMove(callbackFunction), m_process->throttler().backgroundActivityToken());
541     m_process->send(Messages::WebPage::UpdateSelectionWithExtentPoint(point, isInteractingWithAssistedNode, callbackID), m_pageID);
542     
543 }
544
545 void WebPageProxy::updateSelectionWithExtentPointAndBoundary(const WebCore::IntPoint point, WebCore::TextGranularity granularity, bool isInteractingWithAssistedNode, WTF::Function<void(uint64_t, CallbackBase::Error)>&& callbackFunction)
546 {
547     if (!isValid()) {
548         callbackFunction(0, CallbackBase::Error::Unknown);
549         return;
550     }
551     
552     auto callbackID = m_callbacks.put(WTFMove(callbackFunction), m_process->throttler().backgroundActivityToken());
553     m_process->send(Messages::WebPage::UpdateSelectionWithExtentPointAndBoundary(point, granularity, isInteractingWithAssistedNode, callbackID), m_pageID);
554     
555 }
556
557 void WebPageProxy::requestDictationContext(WTF::Function<void (const String&, const String&, const String&, CallbackBase::Error)>&& callbackFunction)
558 {
559     if (!isValid()) {
560         callbackFunction(String(), String(), String(), CallbackBase::Error::Unknown);
561         return;
562     }
563
564     auto callbackID = m_callbacks.put(WTFMove(callbackFunction), m_process->throttler().backgroundActivityToken());
565     m_process->send(Messages::WebPage::RequestDictationContext(callbackID), m_pageID);
566 }
567
568 void WebPageProxy::requestAutocorrectionContext(WTF::Function<void (const String&, const String&, const String&, const String&, uint64_t, uint64_t, CallbackBase::Error)>&& callbackFunction)
569 {
570     if (!isValid()) {
571         callbackFunction(String(), String(), String(), String(), 0, 0, CallbackBase::Error::Unknown);
572         return;
573     }
574
575     auto callbackID = m_callbacks.put(WTFMove(callbackFunction), m_process->throttler().backgroundActivityToken());
576     m_process->send(Messages::WebPage::RequestAutocorrectionContext(callbackID), m_pageID);
577 }
578
579 void WebPageProxy::getAutocorrectionContext(String& beforeContext, String& markedText, String& selectedText, String& afterContext, uint64_t& location, uint64_t& length)
580 {
581     m_process->sendSync(Messages::WebPage::GetAutocorrectionContext(), Messages::WebPage::GetAutocorrectionContext::Reply(beforeContext, markedText, selectedText, afterContext, location, length), m_pageID);
582 }
583
584 void WebPageProxy::getSelectionContext(WTF::Function<void(const String&, const String&, const String&, CallbackBase::Error)>&& callbackFunction)
585 {
586     if (!isValid()) {
587         callbackFunction(String(), String(), String(), CallbackBase::Error::Unknown);
588         return;
589     }
590     
591     auto callbackID = m_callbacks.put(WTFMove(callbackFunction), m_process->throttler().backgroundActivityToken());
592     m_process->send(Messages::WebPage::GetSelectionContext(callbackID), m_pageID);
593 }
594
595 void WebPageProxy::handleTwoFingerTapAtPoint(const WebCore::IntPoint& point, uint64_t requestID)
596 {
597     process().send(Messages::WebPage::HandleTwoFingerTapAtPoint(point, requestID), m_pageID);
598 }
599
600 void WebPageProxy::selectWithTwoTouches(const WebCore::IntPoint from, const WebCore::IntPoint to, uint32_t gestureType, uint32_t gestureState, WTF::Function<void (const WebCore::IntPoint&, uint32_t, uint32_t, uint32_t, CallbackBase::Error)>&& callbackFunction)
601 {
602     if (!isValid()) {
603         callbackFunction(WebCore::IntPoint(), 0, 0, 0, CallbackBase::Error::Unknown);
604         return;
605     }
606
607     auto callbackID = m_callbacks.put(WTFMove(callbackFunction), m_process->throttler().backgroundActivityToken());
608     m_process->send(Messages::WebPage::SelectWithTwoTouches(from, to, gestureType, gestureState, callbackID), m_pageID);
609 }
610
611 void WebPageProxy::didReceivePositionInformation(const InteractionInformationAtPosition& info)
612 {
613     m_pageClient.positionInformationDidChange(info);
614 }
615
616 void WebPageProxy::requestPositionInformation(const InteractionInformationRequest& request)
617 {
618     m_process->send(Messages::WebPage::RequestPositionInformation(request), m_pageID);
619 }
620
621 void WebPageProxy::startInteractionWithElementAtPosition(const WebCore::IntPoint& point)
622 {
623     m_process->send(Messages::WebPage::StartInteractionWithElementAtPosition(point), m_pageID);
624 }
625
626 void WebPageProxy::stopInteraction()
627 {
628     m_process->send(Messages::WebPage::StopInteraction(), m_pageID);
629 }
630
631 void WebPageProxy::performActionOnElement(uint32_t action)
632 {
633     m_process->send(Messages::WebPage::PerformActionOnElement(action), m_pageID);
634 }
635
636 void WebPageProxy::saveImageToLibrary(const SharedMemory::Handle& imageHandle, uint64_t imageSize)
637 {
638     auto sharedMemoryBuffer = SharedMemory::map(imageHandle, SharedMemory::Protection::ReadOnly);
639     auto buffer = SharedBuffer::create(static_cast<unsigned char*>(sharedMemoryBuffer->data()), imageSize);
640     m_pageClient.saveImageToLibrary(WTFMove(buffer));
641 }
642
643 void WebPageProxy::applicationDidEnterBackground()
644 {
645     bool isSuspendedUnderLock = [UIApp isSuspendedUnderLock];
646
647     // We normally delay process suspension when the app is backgrounded until the current page load completes. However,
648     // we do not want to do so when the screen is locked for power reasons.
649     if (isSuspendedUnderLock)
650         NavigationState::fromWebPage(*this).releaseNetworkActivityToken(NavigationState::NetworkActivityTokenReleaseReason::ScreenLocked);
651     m_process->send(Messages::WebPage::ApplicationDidEnterBackground(isSuspendedUnderLock), m_pageID);
652 }
653
654 void WebPageProxy::applicationDidFinishSnapshottingAfterEnteringBackground()
655 {
656     if (m_drawingArea) {
657         m_drawingArea->prepareForAppSuspension();
658         m_drawingArea->hideContentUntilAnyUpdate();
659     }
660     m_process->send(Messages::WebPage::ApplicationDidFinishSnapshottingAfterEnteringBackground(), m_pageID);
661 }
662
663 void WebPageProxy::applicationWillEnterForeground()
664 {
665     bool isSuspendedUnderLock = [UIApp isSuspendedUnderLock];
666     m_process->send(Messages::WebPage::ApplicationWillEnterForeground(isSuspendedUnderLock), m_pageID);
667 }
668
669 void WebPageProxy::applicationWillResignActive()
670 {
671     m_process->send(Messages::WebPage::ApplicationWillResignActive(), m_pageID);
672 }
673
674 void WebPageProxy::applicationDidBecomeActive()
675 {
676 #if HAVE(AVKIT)
677     if (m_videoFullscreenManager)
678         m_videoFullscreenManager->applicationDidBecomeActive();
679 #endif
680     m_process->send(Messages::WebPage::ApplicationDidBecomeActive(), m_pageID);
681 }
682
683 void WebPageProxy::extendSelection(WebCore::TextGranularity granularity)
684 {
685     m_process->send(Messages::WebPage::ExtendSelection(static_cast<uint32_t>(granularity)), m_pageID);
686 }
687
688 void WebPageProxy::selectWordBackward()
689 {
690     m_process->send(Messages::WebPage::SelectWordBackward(), m_pageID);
691 }
692
693 void WebPageProxy::requestRectsForGranularityWithSelectionOffset(WebCore::TextGranularity granularity, uint32_t offset, WTF::Function<void(const Vector<WebCore::SelectionRect>&, CallbackBase::Error)>&& callbackFunction)
694 {
695     if (!isValid()) {
696         callbackFunction(Vector<WebCore::SelectionRect>(), CallbackBase::Error::Unknown);
697         return;
698     }
699     
700     auto callbackID = m_callbacks.put(WTFMove(callbackFunction), m_process->throttler().backgroundActivityToken());
701     m_process->send(Messages::WebPage::GetRectsForGranularityWithSelectionOffset(static_cast<uint32_t>(granularity), offset, callbackID), m_pageID);
702 }
703
704 void WebPageProxy::requestRectsAtSelectionOffsetWithText(int32_t offset, const String& text, WTF::Function<void(const Vector<WebCore::SelectionRect>&, CallbackBase::Error)>&& callbackFunction)
705 {
706     if (!isValid()) {
707         callbackFunction(Vector<WebCore::SelectionRect>(), CallbackBase::Error::Unknown);
708         return;
709     }
710     
711     auto callbackID = m_callbacks.put(WTFMove(callbackFunction), m_process->throttler().backgroundActivityToken());
712     m_process->send(Messages::WebPage::GetRectsAtSelectionOffsetWithText(offset, text, callbackID), m_pageID);
713 }
714
715 void WebPageProxy::storeSelectionForAccessibility(bool shouldStore)
716 {
717     m_process->send(Messages::WebPage::StoreSelectionForAccessibility(shouldStore), m_pageID);
718 }
719
720 void WebPageProxy::startAutoscrollAtPosition(const WebCore::FloatPoint& positionInWindow)
721 {
722     m_process->send(Messages::WebPage::StartAutoscrollAtPosition(positionInWindow), m_pageID);
723 }
724     
725 void WebPageProxy::cancelAutoscroll()
726 {
727     m_process->send(Messages::WebPage::CancelAutoscroll(), m_pageID);
728 }
729
730 void WebPageProxy::moveSelectionByOffset(int32_t offset, WTF::Function<void (CallbackBase::Error)>&& callbackFunction)
731 {
732     if (!isValid()) {
733         callbackFunction(CallbackBase::Error::Unknown);
734         return;
735     }
736     
737     auto callbackID = m_callbacks.put(WTFMove(callbackFunction), m_process->throttler().backgroundActivityToken());
738     m_process->send(Messages::WebPage::MoveSelectionByOffset(offset, callbackID), m_pageID);
739 }
740
741 void WebPageProxy::interpretKeyEvent(const EditorState& state, bool isCharEvent, bool& handled)
742 {
743     m_editorState = state;
744     handled = m_pageClient.interpretKeyEvent(m_keyEventQueue.first(), isCharEvent);
745 }
746
747 // Complex text input support for plug-ins.
748 void WebPageProxy::sendComplexTextInputToPlugin(uint64_t, const String&)
749 {
750     notImplemented();
751 }
752
753 void WebPageProxy::setSmartInsertDeleteEnabled(bool)
754 {
755     notImplemented();
756 }
757
758 void WebPageProxy::registerWebProcessAccessibilityToken(const IPC::DataReference& data)
759 {
760     m_pageClient.accessibilityWebProcessTokenReceived(data);
761 }    
762
763 void WebPageProxy::assistiveTechnologyMakeFirstResponder()
764 {
765     notImplemented();
766 }
767     
768 void WebPageProxy::makeFirstResponder()
769 {
770     notImplemented();
771 }
772
773 void WebPageProxy::registerUIProcessAccessibilityTokens(const IPC::DataReference& elementToken, const IPC::DataReference& windowToken)
774 {
775     if (!isValid())
776         return;
777     
778     process().send(Messages::WebPage::RegisterUIProcessAccessibilityTokens(elementToken, windowToken), m_pageID);
779 }
780
781 void WebPageProxy::pluginFocusOrWindowFocusChanged(uint64_t, bool)
782 {
783     notImplemented();
784 }
785
786 void WebPageProxy::setPluginComplexTextInputState(uint64_t, uint64_t)
787 {
788     notImplemented();
789 }
790
791 void WebPageProxy::executeSavedCommandBySelector(const String&, bool&)
792 {
793     notImplemented();
794 }
795
796 bool WebPageProxy::shouldDelayWindowOrderingForEvent(const WebKit::WebMouseEvent&)
797 {
798     notImplemented();
799     return false;
800 }
801
802 bool WebPageProxy::acceptsFirstMouse(int, const WebKit::WebMouseEvent&)
803 {
804     notImplemented();
805     return false;
806 }
807
808 void WebPageProxy::willStartUserTriggeredZooming()
809 {
810     process().send(Messages::WebPage::WillStartUserTriggeredZooming(), m_pageID);
811 }
812
813 void WebPageProxy::potentialTapAtPosition(const WebCore::FloatPoint& position, uint64_t& requestID)
814 {
815     hideValidationMessage();
816     process().send(Messages::WebPage::PotentialTapAtPosition(requestID, position), m_pageID);
817 }
818
819 void WebPageProxy::commitPotentialTap(uint64_t layerTreeTransactionIdAtLastTouchStart)
820 {
821     process().send(Messages::WebPage::CommitPotentialTap(layerTreeTransactionIdAtLastTouchStart), m_pageID);
822 }
823
824 void WebPageProxy::cancelPotentialTap()
825 {
826     process().send(Messages::WebPage::CancelPotentialTap(), m_pageID);
827 }
828
829 void WebPageProxy::tapHighlightAtPosition(const WebCore::FloatPoint& position, uint64_t& requestID)
830 {
831     process().send(Messages::WebPage::TapHighlightAtPosition(requestID, position), m_pageID);
832 }
833
834 void WebPageProxy::handleTap(const FloatPoint& location, uint64_t layerTreeTransactionIdAtLastTouchStart)
835 {
836     process().send(Messages::WebPage::HandleTap(roundedIntPoint(location), layerTreeTransactionIdAtLastTouchStart), m_pageID);
837 }
838
839 void WebPageProxy::inspectorNodeSearchMovedToPosition(const WebCore::FloatPoint& position)
840 {
841     process().send(Messages::WebPage::InspectorNodeSearchMovedToPosition(position), m_pageID);
842 }
843
844 void WebPageProxy::inspectorNodeSearchEndedAtPosition(const WebCore::FloatPoint& position)
845 {
846     process().send(Messages::WebPage::InspectorNodeSearchEndedAtPosition(position), m_pageID);
847 }
848
849 void WebPageProxy::blurAssistedNode()
850 {
851     process().send(Messages::WebPage::BlurAssistedNode(), m_pageID);
852 }
853
854 FloatSize WebPageProxy::screenSize()
855 {
856     return WebCore::screenSize();
857 }
858
859 FloatSize WebPageProxy::availableScreenSize()
860 {
861     return WebCore::availableScreenSize();
862 }
863
864 FloatSize WebPageProxy::overrideScreenSize()
865 {
866     return WebCore::overrideScreenSize();
867 }
868
869 float WebPageProxy::textAutosizingWidth()
870 {
871     return WebCore::screenSize().width();
872 }
873
874 void WebPageProxy::couldNotRestorePageState()
875 {
876     m_pageClient.couldNotRestorePageState();
877 }
878
879 void WebPageProxy::restorePageState(std::optional<WebCore::FloatPoint> scrollPosition, const WebCore::FloatPoint& scrollOrigin, const WebCore::FloatBoxExtent& obscuredInsetsOnSave, double scale)
880 {
881     m_pageClient.restorePageState(scrollPosition, scrollOrigin, obscuredInsetsOnSave, scale);
882 }
883
884 void WebPageProxy::restorePageCenterAndScale(std::optional<WebCore::FloatPoint> center, double scale)
885 {
886     m_pageClient.restorePageCenterAndScale(center, scale);
887 }
888
889 void WebPageProxy::didGetTapHighlightGeometries(uint64_t requestID, const WebCore::Color& color, const Vector<WebCore::FloatQuad>& highlightedQuads, const WebCore::IntSize& topLeftRadius, const WebCore::IntSize& topRightRadius, const WebCore::IntSize& bottomLeftRadius, const WebCore::IntSize& bottomRightRadius)
890 {
891     m_pageClient.didGetTapHighlightGeometries(requestID, color, highlightedQuads, topLeftRadius, topRightRadius, bottomLeftRadius, bottomRightRadius);
892 }
893
894 void WebPageProxy::startAssistingNode(const AssistedNodeInformation& information, bool userIsInteracting, bool blurPreviousNode, bool changingActivityState, const UserData& userData)
895 {
896     API::Object* userDataObject = process().transformHandlesToObjects(userData.object()).get();
897     if (m_editorState.isMissingPostLayoutData) {
898         m_deferredNodeAssistanceArguments = std::make_unique<NodeAssistanceArguments>(NodeAssistanceArguments { information, userIsInteracting, blurPreviousNode, changingActivityState, userDataObject });
899         return;
900     }
901
902     m_pageClient.startAssistingNode(information, userIsInteracting, blurPreviousNode, changingActivityState, userDataObject);
903 }
904
905 void WebPageProxy::stopAssistingNode()
906 {
907     m_deferredNodeAssistanceArguments = nullptr;
908     m_pageClient.stopAssistingNode();
909 }
910
911 void WebPageProxy::autofillLoginCredentials(const String& username, const String& password)
912 {
913     m_process->send(Messages::WebPage::AutofillLoginCredentials(username, password), m_pageID);
914 }
915
916 void WebPageProxy::showInspectorHighlight(const WebCore::Highlight& highlight)
917 {
918     m_pageClient.showInspectorHighlight(highlight);
919 }
920
921 void WebPageProxy::hideInspectorHighlight()
922 {
923     m_pageClient.hideInspectorHighlight();
924 }
925
926 void WebPageProxy::showInspectorIndication()
927 {
928     m_pageClient.showInspectorIndication();
929 }
930
931 void WebPageProxy::hideInspectorIndication()
932 {
933     m_pageClient.hideInspectorIndication();
934 }
935
936 void WebPageProxy::enableInspectorNodeSearch()
937 {
938     m_pageClient.enableInspectorNodeSearch();
939 }
940
941 void WebPageProxy::disableInspectorNodeSearch()
942 {
943     m_pageClient.disableInspectorNodeSearch();
944 }
945
946 void WebPageProxy::focusNextAssistedNode(bool isForward, WTF::Function<void (CallbackBase::Error)>&& callbackFunction)
947 {
948     if (!isValid()) {
949         callbackFunction(CallbackBase::Error::Unknown);
950         return;
951     }
952     
953     auto callbackID = m_callbacks.put(WTFMove(callbackFunction), m_process->throttler().backgroundActivityToken());
954     process().send(Messages::WebPage::FocusNextAssistedNode(isForward, callbackID), m_pageID);
955 }
956
957 void WebPageProxy::setAssistedNodeValue(const String& value)
958 {
959     process().send(Messages::WebPage::SetAssistedNodeValue(value), m_pageID);
960 }
961
962 void WebPageProxy::setAssistedNodeValueAsNumber(double value)
963 {
964     process().send(Messages::WebPage::SetAssistedNodeValueAsNumber(value), m_pageID);
965 }
966
967 void WebPageProxy::setAssistedNodeSelectedIndex(uint32_t index, bool allowMultipleSelection)
968 {
969     process().send(Messages::WebPage::SetAssistedNodeSelectedIndex(index, allowMultipleSelection), m_pageID);
970 }
971
972 void WebPageProxy::didPerformDictionaryLookup(const DictionaryPopupInfo&)
973 {
974     notImplemented();
975 }
976
977 void WebPageProxy::savePDFToTemporaryFolderAndOpenWithNativeApplication(const String&, const String&, const IPC::DataReference&, const String&)
978 {
979     notImplemented();
980 }
981
982 void WebPageProxy::savePDFToTemporaryFolderAndOpenWithNativeApplicationRaw(const String&, const String&, const uint8_t*, unsigned long, const String&)
983 {
984     notImplemented();
985 }
986
987 void WebPageProxy::openPDFFromTemporaryFolderWithNativeApplication(const String&)
988 {
989     notImplemented();
990 }
991
992 void WebPageProxy::setAcceleratedCompositingRootLayer(LayerOrView* rootLayer)
993 {
994     m_pageClient.setAcceleratedCompositingRootLayer(rootLayer);
995 }
996
997 void WebPageProxy::showPlaybackTargetPicker(bool hasVideo, const IntRect& elementRect, WebCore::RouteSharingPolicy policy, const String& contextUID)
998 {
999     m_pageClient.showPlaybackTargetPicker(hasVideo, elementRect, policy, contextUID);
1000 }
1001
1002 void WebPageProxy::commitPotentialTapFailed()
1003 {
1004     m_pageClient.commitPotentialTapFailed();
1005 }
1006
1007 void WebPageProxy::didNotHandleTapAsClick(const WebCore::IntPoint& point)
1008 {
1009     m_pageClient.didNotHandleTapAsClick(point);
1010     m_uiClient->didNotHandleTapAsClick(point);
1011 }
1012     
1013 void WebPageProxy::didCompleteSyntheticClick()
1014 {
1015     m_pageClient.didCompleteSyntheticClick();
1016 }
1017
1018 void WebPageProxy::disableDoubleTapGesturesDuringTapIfNecessary(uint64_t requestID)
1019 {
1020     m_pageClient.disableDoubleTapGesturesDuringTapIfNecessary(requestID);
1021 }
1022
1023 uint32_t WebPageProxy::computePagesForPrintingAndDrawToPDF(uint64_t frameID, const PrintInfo& printInfo, DrawToPDFCallback::CallbackFunction&& callback)
1024 {
1025     if (!isValid()) {
1026         callback(IPC::DataReference(), CallbackBase::Error::OwnerWasInvalidated);
1027         return 0;
1028     }
1029
1030     uint32_t pageCount = 0;
1031     auto callbackID = m_callbacks.put(WTFMove(callback), m_process->throttler().backgroundActivityToken());
1032     using Message = Messages::WebPage::ComputePagesForPrintingAndDrawToPDF;
1033     process().sendSync(Message(frameID, printInfo, callbackID), Message::Reply(pageCount), m_pageID, Seconds::infinity());
1034     return pageCount;
1035 }
1036
1037 void WebPageProxy::drawToPDFCallback(const IPC::DataReference& pdfData, CallbackID callbackID)
1038 {
1039     auto callback = m_callbacks.take<DrawToPDFCallback>(callbackID);
1040     RELEASE_ASSERT(callback);
1041     callback->performCallbackWithReturnValue(pdfData);
1042 }
1043
1044 void WebPageProxy::contentSizeCategoryDidChange(const String& contentSizeCategory)
1045 {
1046     process().send(Messages::WebPage::ContentSizeCategoryDidChange(contentSizeCategory), m_pageID);
1047 }
1048
1049 void WebPageProxy::editorStateChanged(const EditorState& editorState)
1050 {
1051     bool couldChangeSecureInputState = m_editorState.isInPasswordField != editorState.isInPasswordField || m_editorState.selectionIsNone;
1052     
1053     m_editorState = editorState;
1054     
1055     // Selection being none is a temporary state when editing. Flipping secure input state too quickly was causing trouble (not fully understood).
1056     if (couldChangeSecureInputState && !editorState.selectionIsNone)
1057         m_pageClient.updateSecureInputState();
1058     
1059     if (editorState.shouldIgnoreSelectionChanges)
1060         return;
1061     
1062     // We always need to notify the client on iOS to make sure the selection is redrawn,
1063     // even during composition to support phrase boundary gesture.
1064     m_pageClient.selectionDidChange();
1065 }
1066
1067 void WebPageProxy::showValidationMessage(const IntRect& anchorClientRect, const String& message)
1068 {
1069     m_validationBubble = m_pageClient.createValidationBubble(message, { m_preferences->minimumFontSize() });
1070     m_validationBubble->setAnchorRect(anchorClientRect, uiClient().presentingViewController());
1071
1072     // If we are currently doing a scrolling / zoom animation, then we'll delay showing the validation
1073     // bubble until the animation is over.
1074     if (!m_isScrollingOrZooming)
1075         m_validationBubble->show();
1076 }
1077
1078 void WebPageProxy::setIsScrollingOrZooming(bool isScrollingOrZooming)
1079 {
1080     m_isScrollingOrZooming = isScrollingOrZooming;
1081
1082     // We finished doing the scrolling / zoom animation so we can now show the validation
1083     // bubble if we're supposed to.
1084     if (!m_isScrollingOrZooming && m_validationBubble)
1085         m_validationBubble->show();
1086 }
1087
1088 #if ENABLE(DATA_INTERACTION)
1089
1090 void WebPageProxy::didPerformDataInteractionControllerOperation(bool handled)
1091 {
1092     m_pageClient.didPerformDataInteractionControllerOperation(handled);
1093 }
1094
1095 void WebPageProxy::didHandleStartDataInteractionRequest(bool started)
1096 {
1097     m_pageClient.didHandleStartDataInteractionRequest(started);
1098 }
1099
1100 void WebPageProxy::didHandleAdditionalDragItemsRequest(bool added)
1101 {
1102     m_pageClient.didHandleAdditionalDragItemsRequest(added);
1103 }
1104
1105 void WebPageProxy::requestStartDataInteraction(const WebCore::IntPoint& clientPosition, const WebCore::IntPoint& globalPosition)
1106 {
1107     if (isValid())
1108         m_process->send(Messages::WebPage::RequestStartDataInteraction(clientPosition, globalPosition), m_pageID);
1109 }
1110
1111 void WebPageProxy::requestAdditionalItemsForDragSession(const IntPoint& clientPosition, const IntPoint& globalPosition)
1112 {
1113     if (isValid())
1114         m_process->send(Messages::WebPage::RequestAdditionalItemsForDragSession(clientPosition, globalPosition), m_pageID);
1115 }
1116
1117 void WebPageProxy::didConcludeEditDataInteraction(std::optional<TextIndicatorData> data)
1118 {
1119     m_pageClient.didConcludeEditDataInteraction(data);
1120 }
1121
1122 #endif
1123
1124 #if USE(QUICK_LOOK)
1125     
1126 void WebPageProxy::didStartLoadForQuickLookDocumentInMainFrame(const String& fileName, const String& uti)
1127 {
1128     // Ensure that fileName isn't really a path name
1129     static_assert(notFound + 1 == 0, "The following line assumes WTF::notFound equals -1");
1130     if (m_navigationClient)
1131         m_navigationClient->didStartLoadForQuickLookDocumentInMainFrame(fileName.substring(fileName.reverseFind('/') + 1), uti);
1132     else
1133         m_loaderClient->didStartLoadForQuickLookDocumentInMainFrame(fileName.substring(fileName.reverseFind('/') + 1), uti);
1134 }
1135
1136 void WebPageProxy::didFinishLoadForQuickLookDocumentInMainFrame(const QuickLookDocumentData& data)
1137 {
1138     if (m_navigationClient)
1139         m_navigationClient->didFinishLoadForQuickLookDocumentInMainFrame(data);
1140     else
1141         m_loaderClient->didFinishLoadForQuickLookDocumentInMainFrame(data);
1142 }
1143
1144 void WebPageProxy::didRequestPasswordForQuickLookDocumentInMainFrame(const String& fileName)
1145 {
1146     m_pageClient.requestPasswordForQuickLookDocument(fileName, [protectedThis = makeRef(*this)](const String& password) {
1147         protectedThis->process().send(Messages::WebPage::DidReceivePasswordForQuickLookDocument(password), protectedThis->m_pageID);
1148     });
1149 }
1150
1151 #endif
1152
1153 } // namespace WebKit
1154
1155 #endif // PLATFORM(IOS)