/*
* Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#import "config.h"
#import "Editor.h"
#import "ColorMac.h"
#import "ClipboardMac.h"
#import "CachedResourceLoader.h"
#import "DocumentFragment.h"
#import "DOMRangeInternal.h"
#import "EditingText.h"
#import "Editor.h"
#import "EditorClient.h"
#import "Frame.h"
#import "FrameView.h"
#import "HTMLConverter.h"
#import "HTMLNames.h"
#import "LegacyWebArchive.h"
#import "Pasteboard.h"
#import "PasteboardStrategy.h"
#import "PlatformStrategies.h"
#import "Range.h"
#import "RenderBlock.h"
#import "RuntimeApplicationChecks.h"
#import "Sound.h"
#import "TypingCommand.h"
#import "htmlediting.h"
#import "WebNSAttributedStringExtras.h"
namespace WebCore {
using namespace HTMLNames;
PassRefPtr<Clipboard> Editor::newGeneralClipboard(ClipboardAccessPolicy policy, Frame* frame)
{
return ClipboardMac::create(Clipboard::CopyAndPaste,
policy == ClipboardWritable ? platformStrategies()->pasteboardStrategy()->uniqueName() : String(NSGeneralPboard), policy, ClipboardMac::CopyAndPasteGeneric, frame);
}
void Editor::showFontPanel()
{
[[NSFontManager sharedFontManager] orderFrontFontPanel:nil];
}
void Editor::showStylesPanel()
{
[[NSFontManager sharedFontManager] orderFrontStylesPanel:nil];
}
void Editor::showColorPanel()
{
[[NSApplication sharedApplication] orderFrontColorPanel:nil];
}
void Editor::pasteWithPasteboard(Pasteboard* pasteboard, bool allowPlainText)
{
RefPtr<Range> range = selectedRange();
bool choosePlainText;
m_frame->editor()->client()->setInsertionPasteboard(NSGeneralPboard);
#if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD)
RefPtr<DocumentFragment> fragment = pasteboard->documentFragment(m_frame, range, allowPlainText, choosePlainText);
if (fragment && shouldInsertFragment(fragment, range, EditorInsertActionPasted))
pasteAsFragment(fragment, canSmartReplaceWithPasteboard(pasteboard), false);
#else
// Mail is ignoring the frament passed to the delegate and creates a new one.
// We want to avoid creating the fragment twice.
if (applicationIsAppleMail()) {
if (shouldInsertFragment(NULL, range, EditorInsertActionPasted)) {
RefPtr<DocumentFragment> fragment = pasteboard->documentFragment(m_frame, range, allowPlainText, choosePlainText);
if (fragment)
pasteAsFragment(fragment, canSmartReplaceWithPasteboard(pasteboard), false);
}
} else {
RefPtr<DocumentFragment>fragment = pasteboard->documentFragment(m_frame, range, allowPlainText, choosePlainText);
if (fragment && shouldInsertFragment(fragment, range, EditorInsertActionPasted))
pasteAsFragment(fragment, canSmartReplaceWithPasteboard(pasteboard), false);
}
#endif
m_frame->editor()->client()->setInsertionPasteboard(String());
}
bool Editor::insertParagraphSeparatorInQuotedContent()
{
// FIXME: Why is this missing calls to canEdit, canEditRichly, etc...
TypingCommand::insertParagraphSeparatorInQuotedContent(m_frame->document());
revealSelectionAfterEditingOperation();
return true;
}
static RenderStyle* styleForSelectionStart(Frame* frame, Node *&nodeToRemove)
{
nodeToRemove = 0;
if (frame->selection()->isNone())
return 0;
Position position = frame->selection()->selection().visibleStart().deepEquivalent();
if (!position.isCandidate() || position.isNull())
return 0;
RefPtr<EditingStyle> typingStyle = frame->selection()->typingStyle();
if (!typingStyle || !typingStyle->style())
return position.deprecatedNode()->renderer()->style();
RefPtr<Element> styleElement = frame->document()->createElement(spanTag, false);
String styleText = typingStyle->style()->asText() + " display: inline";
styleElement->setAttribute(styleAttr, styleText.impl());
styleElement->appendChild(frame->document()->createEditingTextNode(""), ASSERT_NO_EXCEPTION);
position.deprecatedNode()->parentNode()->appendChild(styleElement, ASSERT_NO_EXCEPTION);
nodeToRemove = styleElement.get();
return styleElement->renderer() ? styleElement->renderer()->style() : 0;
}
const SimpleFontData* Editor::fontForSelection(bool& hasMultipleFonts) const
{
hasMultipleFonts = false;
if (!m_frame->selection()->isRange()) {
Node* nodeToRemove;
RenderStyle* style = styleForSelectionStart(m_frame, nodeToRemove); // sets nodeToRemove
const SimpleFontData* result = 0;
if (style)
result = style->font().primaryFont();
if (nodeToRemove) {
ExceptionCode ec;
nodeToRemove->remove(ec);
ASSERT(!ec);
}
return result;
}
const SimpleFontData* font = 0;
RefPtr<Range> range = m_frame->selection()->toNormalizedRange();
if (Node* startNode = adjustedSelectionStartForStyleComputation(m_frame->selection()->selection()).deprecatedNode()) {
Node* pastEnd = range->pastLastNode();
// In the loop below, n should eventually match pastEnd and not become nil, but we've seen at least one
// unreproducible case where this didn't happen, so check for null also.
for (Node* node = startNode; node && node != pastEnd; node = node->traverseNextNode()) {
RenderObject* renderer = node->renderer();
if (!renderer)
continue;
// FIXME: Are there any node types that have renderers, but that we should be skipping?
const SimpleFontData* primaryFont = renderer->style()->font().primaryFont();
if (!font)
font = primaryFont;
else if (font != primaryFont) {
hasMultipleFonts = true;
break;
}
}
}
return font;
}
NSDictionary* Editor::fontAttributesForSelectionStart() const
{
Node* nodeToRemove;
RenderStyle* style = styleForSelectionStart(m_frame, nodeToRemove);
if (!style)
return nil;
NSMutableDictionary* result = [NSMutableDictionary dictionary];
if (style->visitedDependentColor(CSSPropertyBackgroundColor).isValid() && style->visitedDependentColor(CSSPropertyBackgroundColor).alpha() != 0)
[result setObject:nsColor(style->visitedDependentColor(CSSPropertyBackgroundColor)) forKey:NSBackgroundColorAttributeName];
if (style->font().primaryFont()->getNSFont())
[result setObject:style->font().primaryFont()->getNSFont() forKey:NSFontAttributeName];
if (style->visitedDependentColor(CSSPropertyColor).isValid() && style->visitedDependentColor(CSSPropertyColor) != Color::black)
[result setObject:nsColor(style->visitedDependentColor(CSSPropertyColor)) forKey:NSForegroundColorAttributeName];
const ShadowData* shadow = style->textShadow();
if (shadow) {
NSShadow* s = [[NSShadow alloc] init];
[s setShadowOffset:NSMakeSize(shadow->x(), shadow->y())];
[s setShadowBlurRadius:shadow->blur()];
[s setShadowColor:nsColor(shadow->color())];
[result setObject:s forKey:NSShadowAttributeName];
}
int decoration = style->textDecorationsInEffect();
if (decoration & LINE_THROUGH)
[result setObject:[NSNumber numberWithInt:NSUnderlineStyleSingle] forKey:NSStrikethroughStyleAttributeName];
int superscriptInt = 0;
switch (style->verticalAlign()) {
case BASELINE:
case BOTTOM:
case BASELINE_MIDDLE:
case LENGTH:
case MIDDLE:
case TEXT_BOTTOM:
case TEXT_TOP:
case TOP:
break;
case SUB:
superscriptInt = -1;
break;
case SUPER:
superscriptInt = 1;
break;
}
if (superscriptInt)
[result setObject:[NSNumber numberWithInt:superscriptInt] forKey:NSSuperscriptAttributeName];
if (decoration & UNDERLINE)
[result setObject:[NSNumber numberWithInt:NSUnderlineStyleSingle] forKey:NSUnderlineStyleAttributeName];
if (nodeToRemove) {
ExceptionCode ec = 0;
nodeToRemove->remove(ec);
ASSERT(ec == 0);
}
return result;
}
NSWritingDirection Editor::baseWritingDirectionForSelectionStart() const
{
NSWritingDirection result = NSWritingDirectionLeftToRight;
Position pos = m_frame->selection()->selection().visibleStart().deepEquivalent();
Node* node = pos.deprecatedNode();
if (!node)
return result;
RenderObject* renderer = node->renderer();
if (!renderer)
return result;
if (!renderer->isBlockFlow()) {
renderer = renderer->containingBlock();
if (!renderer)
return result;
}
RenderStyle* style = renderer->style();
if (!style)
return result;
switch (style->direction()) {
case LTR:
result = NSWritingDirectionLeftToRight;
break;
case RTL:
result = NSWritingDirectionRightToLeft;
break;
}
return result;
}
bool Editor::canCopyExcludingStandaloneImages()
{
FrameSelection* selection = m_frame->selection();
return selection->isRange() && !selection->isInPasswordField();
}
void Editor::takeFindStringFromSelection()
{
if (!canCopyExcludingStandaloneImages()) {
systemBeep();
return;
}
Vector<String> types;
types.append(String(NSStringPboardType));
platformStrategies()->pasteboardStrategy()->setTypes(types, NSFindPboard);
platformStrategies()->pasteboardStrategy()->setStringForType(m_frame->displayStringModifiedByEncoding(selectedText()), NSStringPboardType, NSFindPboard);
}
void Editor::writeSelectionToPasteboard(const String& pasteboardName, const Vector<String>& pasteboardTypes)
{
Pasteboard pasteboard(pasteboardName);
pasteboard.writeSelectionForTypes(pasteboardTypes, true, m_frame);
}
void Editor::readSelectionFromPasteboard(const String& pasteboardName)
{
Pasteboard pasteboard(pasteboardName);
if (m_frame->selection()->isContentRichlyEditable())
pasteWithPasteboard(&pasteboard, true);
else
pasteAsPlainTextWithPasteboard(&pasteboard);
}
String Editor::stringSelectionForPasteboard()
{
return Pasteboard::getStringSelection(m_frame);
}
PassRefPtr<SharedBuffer> Editor::dataSelectionForPasteboard(const String& pasteboardType)
{
return Pasteboard::getDataSelection(m_frame, pasteboardType);
}
} // namespace WebCore