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1 /* | |
2 * Copyright (C) 2012 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. ``AS IS'' AND ANY | |
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR | |
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
24 */ | |
25 | |
26 #include "config.h" | |
27 #include "core/editing/TextInsertionBaseCommand.h" | |
28 | |
29 #include "bindings/core/v8/ExceptionStatePlaceholder.h" | |
30 #include "core/dom/Element.h" | |
31 #include "core/dom/Node.h" | |
32 #include "core/editing/FrameSelection.h" | |
33 #include "core/events/BeforeTextInsertedEvent.h" | |
34 #include "core/frame/LocalFrame.h" | |
35 | |
36 namespace blink { | |
37 | |
38 TextInsertionBaseCommand::TextInsertionBaseCommand(Document& document) | |
39 : CompositeEditCommand(document) | |
40 { | |
41 } | |
42 | |
43 void TextInsertionBaseCommand::applyTextInsertionCommand(LocalFrame* frame, Pass
RefPtrWillBeRawPtr<TextInsertionBaseCommand> command, const VisibleSelection& se
lectionForInsertion, const VisibleSelection& endingSelection) | |
44 { | |
45 bool changeSelection = !VisibleSelection::InDOMTree::equalSelections(selecti
onForInsertion, endingSelection); | |
46 if (changeSelection) { | |
47 command->setStartingSelection(selectionForInsertion); | |
48 command->setEndingSelection(selectionForInsertion); | |
49 } | |
50 command->apply(); | |
51 if (changeSelection) { | |
52 command->setEndingSelection(endingSelection); | |
53 frame->selection().setSelection(endingSelection); | |
54 } | |
55 } | |
56 | |
57 String dispatchBeforeTextInsertedEvent(const String& text, const VisibleSelectio
n& selectionForInsertion, bool insertionIsForUpdatingComposition) | |
58 { | |
59 if (insertionIsForUpdatingComposition) | |
60 return text; | |
61 | |
62 String newText = text; | |
63 if (Node* startNode = selectionForInsertion.start().computeContainerNode())
{ | |
64 if (startNode->rootEditableElement()) { | |
65 // Send BeforeTextInsertedEvent. The event handler will update text
if necessary. | |
66 RefPtrWillBeRawPtr<BeforeTextInsertedEvent> evt = BeforeTextInserted
Event::create(text); | |
67 startNode->rootEditableElement()->dispatchEvent(evt); | |
68 newText = evt->text(); | |
69 } | |
70 } | |
71 return newText; | |
72 } | |
73 | |
74 bool canAppendNewLineFeedToSelection(const VisibleSelection& selection) | |
75 { | |
76 Element* element = selection.rootEditableElement(); | |
77 if (!element) | |
78 return false; | |
79 | |
80 RefPtrWillBeRawPtr<BeforeTextInsertedEvent> event = BeforeTextInsertedEvent:
:create(String("\n")); | |
81 element->dispatchEvent(event); | |
82 return event->text().length(); | |
83 } | |
84 | |
85 } | |
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