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Side by Side Diff: Source/core/paint/PaintDataCache.cpp

Issue 1218013003: Keep a cache of caret painters to avoid recomputing all the time. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: a shade of deduplication blue Created 5 years, 5 months ago
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1 // Copyright 2015 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "config.h"
6 #include "core/paint/PaintDataCache.h"
7
8 #include "core/editing/Caret.h"
9 #include "core/editing/FrameSelection.h"
10 #include "core/frame/LocalFrame.h"
11 #include "core/frame/Settings.h"
12 #include "core/page/Page.h"
13
14 namespace blink {
15
16 void PaintDataCache::updateCaretCacheForFrame(const LocalFrame* frame)
17 {
18 m_caretFrame = frame;
19
20 Settings* settings = frame->settings();
21 bool caretBrowsing = settings && settings->caretBrowsingEnabled();
22
23 const FrameSelection& selection = frame->selection();
24 m_cursorCaretLayoutObject = (selection.hasEditableStyle() || caretBrowsing)
25 ? selection.caretLayoutObject() : nullptr;
26
27 const DragCaretController& dragCaretController = frame->page()->dragCaretCon troller();
28 m_dragCaretLayoutObject = (dragCaretController.isContentEditable() || caretB rowsing)
29 ? dragCaretController.caretLayoutObject() : nullptr;
30 }
31
32 } // namespace blink
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