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1 /* | 1 /* |
2 * Copyright (C) 2004, 2008, 2009, 2010 Apple Inc. All rights reserved. | 2 * Copyright (C) 2004, 2008, 2009, 2010 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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957 // TODO(editing-dev): This should be done in FlatTree world. | 957 // TODO(editing-dev): This should be done in FlatTree world. |
958 void FrameSelection::RevealSelection(const ScrollAlignment& alignment, | 958 void FrameSelection::RevealSelection(const ScrollAlignment& alignment, |
959 RevealExtentOption reveal_extent_option) { | 959 RevealExtentOption reveal_extent_option) { |
960 DCHECK(IsAvailable()); | 960 DCHECK(IsAvailable()); |
961 | 961 |
962 // TODO(editing-dev): The use of updateStyleAndLayoutIgnorePendingStylesheets | 962 // TODO(editing-dev): The use of updateStyleAndLayoutIgnorePendingStylesheets |
963 // needs to be audited. See http://crbug.com/590369 for more details. | 963 // needs to be audited. See http://crbug.com/590369 for more details. |
964 // Calculation of absolute caret bounds requires clean layout. | 964 // Calculation of absolute caret bounds requires clean layout. |
965 GetDocument().UpdateStyleAndLayoutIgnorePendingStylesheets(); | 965 GetDocument().UpdateStyleAndLayoutIgnorePendingStylesheets(); |
966 | 966 |
| 967 const VisibleSelection& selection = ComputeVisibleSelectionInDOMTree(); |
| 968 if (selection.GetSelectionType() == kNoSelection) |
| 969 return; |
| 970 |
967 LayoutRect rect; | 971 LayoutRect rect; |
968 | 972 switch (selection.GetSelectionType()) { |
969 switch (ComputeVisibleSelectionInDOMTree().GetSelectionType()) { | |
970 case kNoSelection: | |
971 return; | |
972 case kCaretSelection: | 973 case kCaretSelection: |
973 rect = LayoutRect(AbsoluteCaretBounds()); | 974 rect = LayoutRect(AbsoluteCaretBounds()); |
974 break; | 975 break; |
975 case kRangeSelection: | 976 case kRangeSelection: { |
976 rect = LayoutRect( | 977 rect = LayoutRect( |
977 reveal_extent_option == kRevealExtent | 978 reveal_extent_option == kRevealExtent |
978 ? AbsoluteCaretBoundsOf(CreateVisiblePosition( | 979 ? AbsoluteCaretBoundsOf(CreateVisiblePosition(selection.Extent())) |
979 ComputeVisibleSelectionInDOMTree().Extent())) | |
980 : AbsoluteSelectionBoundsOf(ComputeVisibleSelectionInFlatTree())); | 980 : AbsoluteSelectionBoundsOf(ComputeVisibleSelectionInFlatTree())); |
981 break; | 981 break; |
| 982 } |
| 983 default: |
| 984 NOTREACHED(); |
| 985 break; |
982 } | 986 } |
983 | 987 |
984 Position start = ComputeVisibleSelectionInDOMTree().Start(); | 988 // FIXME: This code only handles scrolling the startContainer's layer, but |
| 989 // the selection rect could intersect more than just that. |
| 990 if (DocumentLoader* document_loader = frame_->Loader().GetDocumentLoader()) |
| 991 document_loader->GetInitialScrollState().was_scrolled_by_user = true; |
| 992 const Position& start = selection.Start(); |
985 DCHECK(start.AnchorNode()); | 993 DCHECK(start.AnchorNode()); |
986 if (start.AnchorNode() && start.AnchorNode()->GetLayoutObject()) { | 994 DCHECK(start.AnchorNode()->GetLayoutObject()); |
987 // FIXME: This code only handles scrolling the startContainer's layer, but | 995 if (!start.AnchorNode()->GetLayoutObject()->ScrollRectToVisible( |
988 // the selection rect could intersect more than just that. | 996 rect, alignment, alignment)) |
989 if (DocumentLoader* document_loader = frame_->Loader().GetDocumentLoader()) | 997 return; |
990 document_loader->GetInitialScrollState().was_scrolled_by_user = true; | 998 |
991 if (start.AnchorNode()->GetLayoutObject()->ScrollRectToVisible( | 999 UpdateAppearance(); |
992 rect, alignment, alignment)) | |
993 UpdateAppearance(); | |
994 } | |
995 } | 1000 } |
996 | 1001 |
997 void FrameSelection::SetSelectionFromNone() { | 1002 void FrameSelection::SetSelectionFromNone() { |
998 // Put a caret inside the body if the entire frame is editable (either the | 1003 // Put a caret inside the body if the entire frame is editable (either the |
999 // entire WebView is editable or designMode is on for this document). | 1004 // entire WebView is editable or designMode is on for this document). |
1000 | 1005 |
1001 Document* document = frame_->GetDocument(); | 1006 Document* document = frame_->GetDocument(); |
1002 if (!ComputeVisibleSelectionInDOMTreeDeprecated().IsNone() || | 1007 if (!ComputeVisibleSelectionInDOMTreeDeprecated().IsNone() || |
1003 !(blink::HasEditableStyle(*document))) | 1008 !(blink::HasEditableStyle(*document))) |
1004 return; | 1009 return; |
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1182 } | 1187 } |
1183 | 1188 |
1184 void showTree(const blink::FrameSelection* sel) { | 1189 void showTree(const blink::FrameSelection* sel) { |
1185 if (sel) | 1190 if (sel) |
1186 sel->ShowTreeForThis(); | 1191 sel->ShowTreeForThis(); |
1187 else | 1192 else |
1188 LOG(INFO) << "Cannot showTree for <null> FrameSelection."; | 1193 LOG(INFO) << "Cannot showTree for <null> FrameSelection."; |
1189 } | 1194 } |
1190 | 1195 |
1191 #endif | 1196 #endif |
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