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| 1 /* | |
| 2 * Copyright (C) 2012 Google 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'' AND | |
| 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 16 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE | |
| 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
| 19 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
| 20 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 23 * SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #include "web/ValidationMessageClientImpl.h" | |
| 27 | |
| 28 #include "core/dom/Element.h" | |
| 29 #include "core/dom/TaskRunnerHelper.h" | |
| 30 #include "core/exported/WebViewBase.h" | |
| 31 #include "core/frame/FrameView.h" | |
| 32 #include "core/page/ChromeClient.h" | |
| 33 #include "platform/PlatformChromeClient.h" | |
| 34 #include "platform/wtf/CurrentTime.h" | |
| 35 #include "public/platform/WebRect.h" | |
| 36 #include "public/platform/WebString.h" | |
| 37 #include "public/web/WebTextDirection.h" | |
| 38 #include "public/web/WebViewClient.h" | |
| 39 | |
| 40 namespace blink { | |
| 41 | |
| 42 ValidationMessageClientImpl::ValidationMessageClientImpl(WebViewBase& web_view) | |
| 43 : web_view_(web_view), | |
| 44 current_anchor_(nullptr), | |
| 45 last_page_scale_factor_(1), | |
| 46 finish_time_(0) {} | |
| 47 | |
| 48 ValidationMessageClientImpl* ValidationMessageClientImpl::Create( | |
| 49 WebViewBase& web_view) { | |
| 50 return new ValidationMessageClientImpl(web_view); | |
| 51 } | |
| 52 | |
| 53 ValidationMessageClientImpl::~ValidationMessageClientImpl() {} | |
| 54 | |
| 55 FrameView* ValidationMessageClientImpl::CurrentView() { | |
| 56 return current_anchor_->GetDocument().View(); | |
| 57 } | |
| 58 | |
| 59 void ValidationMessageClientImpl::ShowValidationMessage( | |
| 60 const Element& anchor, | |
| 61 const String& message, | |
| 62 TextDirection message_dir, | |
| 63 const String& sub_message, | |
| 64 TextDirection sub_message_dir) { | |
| 65 if (message.IsEmpty()) { | |
| 66 HideValidationMessage(anchor); | |
| 67 return; | |
| 68 } | |
| 69 if (!anchor.GetLayoutBox()) | |
| 70 return; | |
| 71 if (current_anchor_) | |
| 72 HideValidationMessage(*current_anchor_); | |
| 73 current_anchor_ = &anchor; | |
| 74 IntRect anchor_in_viewport = | |
| 75 CurrentView()->ContentsToViewport(anchor.PixelSnappedBoundingBox()); | |
| 76 last_anchor_rect_in_screen_ = | |
| 77 CurrentView()->GetChromeClient()->ViewportToScreen(anchor_in_viewport, | |
| 78 CurrentView()); | |
| 79 last_page_scale_factor_ = web_view_.PageScaleFactor(); | |
| 80 message_ = message; | |
| 81 const double kMinimumSecondToShowValidationMessage = 5.0; | |
| 82 const double kSecondPerCharacter = 0.05; | |
| 83 const double kStatusCheckInterval = 0.1; | |
| 84 | |
| 85 web_view_.Client()->ShowValidationMessage( | |
| 86 anchor_in_viewport, message_, ToWebTextDirection(message_dir), | |
| 87 sub_message, ToWebTextDirection(sub_message_dir)); | |
| 88 web_view_.ChromeClient().RegisterPopupOpeningObserver(this); | |
| 89 | |
| 90 finish_time_ = | |
| 91 MonotonicallyIncreasingTime() + | |
| 92 std::max(kMinimumSecondToShowValidationMessage, | |
| 93 (message.length() + sub_message.length()) * kSecondPerCharacter); | |
| 94 // FIXME: We should invoke checkAnchorStatus actively when layout, scroll, | |
| 95 // or page scale change happen. | |
| 96 timer_ = WTF::MakeUnique<TaskRunnerTimer<ValidationMessageClientImpl>>( | |
| 97 TaskRunnerHelper::Get(TaskType::kUnspecedTimer, &anchor.GetDocument()), | |
| 98 this, &ValidationMessageClientImpl::CheckAnchorStatus); | |
| 99 timer_->StartRepeating(kStatusCheckInterval, BLINK_FROM_HERE); | |
| 100 } | |
| 101 | |
| 102 void ValidationMessageClientImpl::HideValidationMessage(const Element& anchor) { | |
| 103 if (!current_anchor_ || !IsValidationMessageVisible(anchor)) | |
| 104 return; | |
| 105 timer_ = nullptr; | |
| 106 current_anchor_ = nullptr; | |
| 107 message_ = String(); | |
| 108 finish_time_ = 0; | |
| 109 web_view_.Client()->HideValidationMessage(); | |
| 110 web_view_.ChromeClient().UnregisterPopupOpeningObserver(this); | |
| 111 } | |
| 112 | |
| 113 bool ValidationMessageClientImpl::IsValidationMessageVisible( | |
| 114 const Element& anchor) { | |
| 115 return current_anchor_ == &anchor; | |
| 116 } | |
| 117 | |
| 118 void ValidationMessageClientImpl::WillUnloadDocument(const Document& document) { | |
| 119 if (current_anchor_ && current_anchor_->GetDocument() == document) | |
| 120 HideValidationMessage(*current_anchor_); | |
| 121 } | |
| 122 | |
| 123 void ValidationMessageClientImpl::DocumentDetached(const Document& document) { | |
| 124 DCHECK(!current_anchor_ || current_anchor_->GetDocument() != document) | |
| 125 << "willUnloadDocument() should be called beforehand."; | |
| 126 } | |
| 127 | |
| 128 void ValidationMessageClientImpl::CheckAnchorStatus(TimerBase*) { | |
| 129 DCHECK(current_anchor_); | |
| 130 if (MonotonicallyIncreasingTime() >= finish_time_ || !CurrentView()) { | |
| 131 HideValidationMessage(*current_anchor_); | |
| 132 return; | |
| 133 } | |
| 134 | |
| 135 IntRect new_anchor_rect_in_viewport = | |
| 136 current_anchor_->VisibleBoundsInVisualViewport(); | |
| 137 if (new_anchor_rect_in_viewport.IsEmpty()) { | |
| 138 HideValidationMessage(*current_anchor_); | |
| 139 return; | |
| 140 } | |
| 141 | |
| 142 IntRect new_anchor_rect_in_viewport_in_screen = | |
| 143 CurrentView()->GetChromeClient()->ViewportToScreen( | |
| 144 new_anchor_rect_in_viewport, CurrentView()); | |
| 145 if (new_anchor_rect_in_viewport_in_screen == last_anchor_rect_in_screen_ && | |
| 146 web_view_.PageScaleFactor() == last_page_scale_factor_) | |
| 147 return; | |
| 148 last_anchor_rect_in_screen_ = new_anchor_rect_in_viewport_in_screen; | |
| 149 last_page_scale_factor_ = web_view_.PageScaleFactor(); | |
| 150 web_view_.Client()->MoveValidationMessage(new_anchor_rect_in_viewport); | |
| 151 } | |
| 152 | |
| 153 void ValidationMessageClientImpl::WillBeDestroyed() { | |
| 154 if (current_anchor_) | |
| 155 HideValidationMessage(*current_anchor_); | |
| 156 } | |
| 157 | |
| 158 void ValidationMessageClientImpl::WillOpenPopup() { | |
| 159 if (current_anchor_) | |
| 160 HideValidationMessage(*current_anchor_); | |
| 161 } | |
| 162 | |
| 163 DEFINE_TRACE(ValidationMessageClientImpl) { | |
| 164 visitor->Trace(current_anchor_); | |
| 165 ValidationMessageClient::Trace(visitor); | |
| 166 } | |
| 167 | |
| 168 } // namespace blink | |
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Chromium Code Reviews
Issue 2886683002:
Move ValidationMessageClientImpl to core/page/. (Closed)
