/*
* Copyright (C) 2010, 2011, 2012 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 INC. AND ITS CONTRIBUTORS ``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 INC. OR ITS 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 "WebPage.h"
#if PLATFORM(MAC)
#import "AttributedString.h"
#import "DataReference.h"
#import "DictionaryPopupInfo.h"
#import "EditingRange.h"
#import "EditorState.h"
#import "PDFKitImports.h"
#import "PageBanner.h"
#import "PluginView.h"
#import "PrintInfo.h"
#import "WKAccessibilityWebPageObjectMac.h"
#import "WebCoreArgumentCoders.h"
#import "WebEvent.h"
#import "WebEventConversion.h"
#import "WebFrame.h"
#import "WebImage.h"
#import "WebInspector.h"
#import "WebPageProxyMessages.h"
#import "WebPasteboardOverrides.h"
#import "WebPreferencesStore.h"
#import "WebProcess.h"
#import <PDFKit/PDFKit.h>
#import <QuartzCore/QuartzCore.h>
#import <WebCore/AXObjectCache.h>
#import <WebCore/BackForwardController.h>
#import <WebCore/EventHandler.h>
#import <WebCore/FocusController.h>
#import <WebCore/FrameLoader.h>
#import <WebCore/FrameView.h>
#import <WebCore/HTMLConverter.h>
#import <WebCore/HitTestResult.h>
#import <WebCore/KeyboardEvent.h>
#import <WebCore/MIMETypeRegistry.h>
#import <WebCore/MainFrame.h>
#import <WebCore/NetworkingContext.h>
#import <WebCore/Page.h>
#import <WebCore/PlatformKeyboardEvent.h>
#import <WebCore/PluginDocument.h>
#import <WebCore/RenderElement.h>
#import <WebCore/RenderObject.h>
#import <WebCore/RenderStyle.h>
#import <WebCore/ResourceHandle.h>
#import <WebCore/ScrollView.h>
#import <WebCore/StyleInheritedData.h>
#import <WebCore/TextIterator.h>
#import <WebCore/VisibleUnits.h>
#import <WebCore/WindowsKeyboardCodes.h>
#import <WebKitSystemInterface.h>
using namespace WebCore;
namespace WebKit {
void WebPage::platformInitialize()
{
#if USE(CFNETWORK)
m_page->addSchedulePair(SchedulePair::create([[NSRunLoop currentRunLoop] getCFRunLoop], kCFRunLoopCommonModes));
#else
m_page->addSchedulePair(SchedulePair::create([NSRunLoop currentRunLoop], kCFRunLoopCommonModes));
#endif
WKAccessibilityWebPageObject* mockAccessibilityElement = [[[WKAccessibilityWebPageObject alloc] init] autorelease];
// Get the pid for the starting process.
pid_t pid = WebProcess::shared().presenterApplicationPid();
WKAXInitializeElementWithPresenterPid(mockAccessibilityElement, pid);
[mockAccessibilityElement setWebPage:this];
// send data back over
NSData* remoteToken = (NSData *)WKAXRemoteTokenForElement(mockAccessibilityElement);
IPC::DataReference dataToken = IPC::DataReference(reinterpret_cast<const uint8_t*>([remoteToken bytes]), [remoteToken length]);
send(Messages::WebPageProxy::RegisterWebProcessAccessibilityToken(dataToken));
m_mockAccessibilityElement = mockAccessibilityElement;
}
NSObject *WebPage::accessibilityObjectForMainFramePlugin()
{
if (!m_page)
return 0;
if (PluginView* pluginView = pluginViewForFrame(&m_page->mainFrame()))
return pluginView->accessibilityObject();
return 0;
}
void WebPage::platformPreferencesDidChange(const WebPreferencesStore& store)
{
}
bool WebPage::shouldUsePDFPlugin() const
{
return pdfPluginEnabled() && classFromPDFKit(@"PDFLayerController");
}
typedef HashMap<String, String> SelectorNameMap;
// Map selectors into Editor command names.
// This is not needed for any selectors that have the same name as the Editor command.
static const SelectorNameMap* createSelectorExceptionMap()
{
SelectorNameMap* map = new HashMap<String, String>;
map->add("insertNewlineIgnoringFieldEditor:", "InsertNewline");
map->add("insertParagraphSeparator:", "InsertNewline");
map->add("insertTabIgnoringFieldEditor:", "InsertTab");
map->add("pageDown:", "MovePageDown");
map->add("pageDownAndModifySelection:", "MovePageDownAndModifySelection");
map->add("pageUp:", "MovePageUp");
map->add("pageUpAndModifySelection:", "MovePageUpAndModifySelection");
return map;
}
static String commandNameForSelectorName(const String& selectorName)
{
// Check the exception map first.
static const SelectorNameMap* exceptionMap = createSelectorExceptionMap();
SelectorNameMap::const_iterator it = exceptionMap->find(selectorName);
if (it != exceptionMap->end())
return it->value;
// Remove the trailing colon.
// No need to capitalize the command name since Editor command names are not case sensitive.
size_t selectorNameLength = selectorName.length();
if (selectorNameLength < 2 || selectorName[selectorNameLength - 1] != ':')
return String();
return selectorName.left(selectorNameLength - 1);
}
static Frame* frameForEvent(KeyboardEvent* event)
{
Node* node = event->target()->toNode();
ASSERT(node);
Frame* frame = node->document().frame();
ASSERT(frame);
return frame;
}
bool WebPage::executeKeypressCommandsInternal(const Vector<WebCore::KeypressCommand>& commands, KeyboardEvent* event)
{
Frame& frame = event ? *frameForEvent(event) : m_page->focusController().focusedOrMainFrame();
ASSERT(frame.page() == corePage());
bool eventWasHandled = false;
for (size_t i = 0; i < commands.size(); ++i) {
if (commands[i].commandName == "insertText:") {
if (frame.editor().hasComposition()) {
eventWasHandled = true;
frame.editor().confirmComposition(commands[i].text);
} else {
if (!frame.editor().canEdit())
continue;
// An insertText: might be handled by other responders in the chain if we don't handle it.
// One example is space bar that results in scrolling down the page.
eventWasHandled |= frame.editor().insertText(commands[i].text, event);
}
} else {
Editor::Command command = frame.editor().command(commandNameForSelectorName(commands[i].commandName));
if (command.isSupported()) {
bool commandExecutedByEditor = command.execute(event);
eventWasHandled |= commandExecutedByEditor;
if (!commandExecutedByEditor) {
bool performedNonEditingBehavior = event->keyEvent()->type() == PlatformEvent::RawKeyDown && performNonEditingBehaviorForSelector(commands[i].commandName, event);
eventWasHandled |= performedNonEditingBehavior;
}
} else {
bool commandWasHandledByUIProcess = false;
WebProcess::shared().parentProcessConnection()->sendSync(Messages::WebPageProxy::ExecuteSavedCommandBySelector(commands[i].commandName),
Messages::WebPageProxy::ExecuteSavedCommandBySelector::Reply(commandWasHandledByUIProcess), m_pageID);
eventWasHandled |= commandWasHandledByUIProcess;
}
}
}
return eventWasHandled;
}
bool WebPage::handleEditingKeyboardEvent(KeyboardEvent* event)
{
Frame* frame = frameForEvent(event);
const PlatformKeyboardEvent* platformEvent = event->keyEvent();
if (!platformEvent)
return false;
const Vector<KeypressCommand>& commands = event->keypressCommands();
ASSERT(!platformEvent->macEvent()); // Cannot have a native event in WebProcess.
// Don't handle Esc while handling keydown event, we need to dispatch a keypress first.
if (platformEvent->type() != PlatformEvent::Char && platformEvent->windowsVirtualKeyCode() == VK_ESCAPE && commands.size() == 1 && commandNameForSelectorName(commands[0].commandName) == "cancelOperation")
return false;
bool eventWasHandled = false;
// Are there commands that could just cause text insertion if executed via Editor?
// WebKit doesn't have enough information about mode to decide how they should be treated, so we leave it upon WebCore
// to either handle them immediately (e.g. Tab that changes focus) or let a keypress event be generated
// (e.g. Tab that inserts a Tab character, or Enter).
bool haveTextInsertionCommands = false;
for (auto& command : commands) {
if (frame->editor().command(commandNameForSelectorName(command.commandName)).isTextInsertion())
haveTextInsertionCommands = true;
}
// If there are no text insertion commands, default keydown handler is the right time to execute the commands.
// Keypress (Char event) handler is the latest opportunity to execute.
if (!haveTextInsertionCommands || platformEvent->type() == PlatformEvent::Char) {
eventWasHandled = executeKeypressCommandsInternal(event->keypressCommands(), event);
event->keypressCommands().clear();
}
return eventWasHandled;
}
void WebPage::sendComplexTextInputToPlugin(uint64_t pluginComplexTextInputIdentifier, const String& textInput)
{
for (auto* pluginView : m_pluginViews) {
if (pluginView->sendComplexTextInput(pluginComplexTextInputIdentifier, textInput))
break;
}
}
#if !USE(ASYNC_NSTEXTINPUTCLIENT)
void WebPage::setComposition(const String& text, Vector<CompositionUnderline> underlines, const EditingRange& selectionRange, const EditingRange& replacementEditingRange, EditorState& newState)
{
Frame& frame = m_page->focusController().focusedOrMainFrame();
if (frame.selection().selection().isContentEditable()) {
RefPtr<Range> replacementRange;
if (replacementEditingRange.location != notFound) {
replacementRange = rangeFromEditingRange(frame, replacementEditingRange);
frame.selection().setSelection(VisibleSelection(replacementRange.get(), SEL_DEFAULT_AFFINITY));
}
frame.editor().setComposition(text, underlines, selectionRange.location, selectionRange.location + selectionRange.length);
}
newState = editorState();
}
void WebPage::confirmComposition(EditorState& newState)
{
Frame& frame = m_page->focusController().focusedOrMainFrame();
frame.editor().confirmComposition();
newState = editorState();
}
void WebPage::insertText(const String& text, const EditingRange& replacementEditingRange, bool& handled, EditorState& newState)
{
Frame& frame = m_page->focusController().focusedOrMainFrame();
if (replacementEditingRange.location != notFound) {
RefPtr<Range> replacementRange = rangeFromEditingRange(frame, replacementEditingRange);
if (replacementRange)
frame.selection().setSelection(VisibleSelection(replacementRange.get(), SEL_DEFAULT_AFFINITY));
}
if (!frame.editor().hasComposition()) {
// An insertText: might be handled by other responders in the chain if we don't handle it.
// One example is space bar that results in scrolling down the page.
handled = frame.editor().insertText(text, nullptr);
} else {
handled = true;
frame.editor().confirmComposition(text);
}
newState = editorState();
}
void WebPage::insertDictatedText(const String& text, const EditingRange& replacementEditingRange, const Vector<WebCore::DictationAlternative>& dictationAlternativeLocations, bool& handled, EditorState& newState)
{
Frame& frame = m_page->focusController().focusedOrMainFrame();
if (replacementEditingRange.location != notFound) {
RefPtr<Range> replacementRange = rangeFromEditingRange(frame, replacementEditingRange);
if (replacementRange)
frame.selection().setSelection(VisibleSelection(replacementRange.get(), SEL_DEFAULT_AFFINITY));
}
ASSERT(!frame.editor().hasComposition());
handled = frame.editor().insertDictatedText(text, dictationAlternativeLocations, nullptr);
newState = editorState();
}
void WebPage::getMarkedRange(EditingRange& result)
{
Frame& frame = m_page->focusController().focusedOrMainFrame();
RefPtr<Range> range = frame.editor().compositionRange();
size_t locationSize;
size_t lengthSize;
if (range && TextIterator::getLocationAndLengthFromRange(frame.selection().rootEditableElementOrDocumentElement(), range.get(), locationSize, lengthSize))
result = EditingRange(static_cast<uint64_t>(locationSize), static_cast<uint64_t>(lengthSize));
else
result = EditingRange();
}
void WebPage::getSelectedRange(EditingRange& result)
{
Frame& frame = m_page->focusController().focusedOrMainFrame();
size_t locationSize;
size_t lengthSize;
RefPtr<Range> range = frame.selection().toNormalizedRange();
if (range && TextIterator::getLocationAndLengthFromRange(frame.selection().rootEditableElementOrDocumentElement(), range.get(), locationSize, lengthSize))
result = EditingRange(static_cast<uint64_t>(locationSize), static_cast<uint64_t>(lengthSize));
else
result = EditingRange();
}
void WebPage::getAttributedSubstringFromRange(const EditingRange& editingRange, AttributedString& result)
{
Frame& frame = m_page->focusController().focusedOrMainFrame();
const VisibleSelection& selection = frame.selection().selection();
if (selection.isNone() || !selection.isContentEditable() || selection.isInPasswordField())
return;
RefPtr<Range> range = rangeFromEditingRange(frame, editingRange);
if (!range)
return;
result.string = editingAttributedStringFromRange(*range);
NSAttributedString* attributedString = result.string.get();
// WebCore::editingAttributedStringFromRange() insists on inserting a trailing
// whitespace at the end of the string which breaks the ATOK input method. <rdar://problem/5400551>
// To work around this we truncate the resultant string to the correct length.
if ([attributedString length] > editingRange.length) {
ASSERT([attributedString length] == editingRange.length + 1);
ASSERT([[attributedString string] characterAtIndex:editingRange.length] == '\n' || [[attributedString string] characterAtIndex:editingRange.length] == ' ');
result.string = [attributedString attributedSubstringFromRange:NSMakeRange(0, editingRange.length)];
}
}
void WebPage::characterIndexForPoint(IntPoint point, uint64_t& index)
{
index = notFound;
HitTestResult result = m_page->mainFrame().eventHandler().hitTestResultAtPoint(point);
Frame* frame = result.innerNonSharedNode() ? result.innerNodeFrame() : &m_page->focusController().focusedOrMainFrame();
RefPtr<Range> range = frame->rangeForPoint(result.roundedPointInInnerNodeFrame());
if (!range)
return;
size_t location;
size_t length;
if (TextIterator::getLocationAndLengthFromRange(frame->selection().rootEditableElementOrDocumentElement(), range.get(), location, length))
index = static_cast<uint64_t>(location);
}
void WebPage::firstRectForCharacterRange(const EditingRange& editingRange, WebCore::IntRect& resultRect)
{
Frame& frame = m_page->focusController().focusedOrMainFrame();
resultRect.setLocation(IntPoint(0, 0));
resultRect.setSize(IntSize(0, 0));
RefPtr<Range> range = rangeFromEditingRange(frame, editingRange);
if (!range)
return;
ASSERT(range->startContainer());
ASSERT(range->endContainer());
IntRect rect = frame.editor().firstRectForRange(range.get());
resultRect = frame.view()->contentsToWindow(rect);
}
void WebPage::executeKeypressCommands(const Vector<WebCore::KeypressCommand>& commands, bool& handled, EditorState& newState)
{
handled = executeKeypressCommandsInternal(commands, nullptr);
newState = editorState();
}
void WebPage::cancelComposition(EditorState& newState)
{
Frame& frame = m_page->focusController().focusedOrMainFrame();
frame.editor().cancelComposition();
newState = editorState();
}
#endif // !USE(ASYNC_NSTEXTINPUTCLIENT)
void WebPage::insertDictatedTextAsync(const String& text, const EditingRange& replacementEditingRange, const Vector<WebCore::DictationAlternative>& dictationAlternativeLocations, bool registerUndoGroup)
{
Frame& frame = m_page->focusController().focusedOrMainFrame();
if (replacementEditingRange.location != notFound) {
RefPtr<Range> replacementRange = rangeFromEditingRange(frame, replacementEditingRange);
if (replacementRange)
frame.selection().setSelection(VisibleSelection(replacementRange.get(), SEL_DEFAULT_AFFINITY));
}
if (registerUndoGroup)
send(Messages::WebPageProxy::RegisterInsertionUndoGrouping());
ASSERT(!frame.editor().hasComposition());
frame.editor().insertDictatedText(text, dictationAlternativeLocations, nullptr);
}
void WebPage::attributedSubstringForCharacterRangeAsync(const EditingRange& editingRange, uint64_t callbackID)
{
AttributedString result;
Frame& frame = m_page->focusController().focusedOrMainFrame();
const VisibleSelection& selection = frame.selection().selection();
if (selection.isNone() || !selection.isContentEditable() || selection.isInPasswordField()) {
send(Messages::WebPageProxy::AttributedStringForCharacterRangeCallback(result, EditingRange(), callbackID));
return;
}
RefPtr<Range> range = rangeFromEditingRange(frame, editingRange);
if (!range) {
send(Messages::WebPageProxy::AttributedStringForCharacterRangeCallback(result, EditingRange(), callbackID));
return;
}
result.string = editingAttributedStringFromRange(*range);
NSAttributedString* attributedString = result.string.get();
// WebCore::editingAttributedStringFromRange() insists on inserting a trailing
// whitespace at the end of the string which breaks the ATOK input method. <rdar://problem/5400551>
// To work around this we truncate the resultant string to the correct length.
if ([attributedString length] > editingRange.length) {
ASSERT([attributedString length] == editingRange.length + 1);
ASSERT([[attributedString string] characterAtIndex:editingRange.length] == '\n' || [[attributedString string] characterAtIndex:editingRange.length] == ' ');
result.string = [attributedString attributedSubstringFromRange:NSMakeRange(0, editingRange.length)];
}
send(Messages::WebPageProxy::AttributedStringForCharacterRangeCallback(result, EditingRange(editingRange.location, [result.string length]), callbackID));
}
static bool isPositionInRange(const VisiblePosition& position, Range* range)
{
RefPtr<Range> positionRange = makeRange(position, position);
ExceptionCode ec = 0;
range->compareBoundaryPoints(Range::START_TO_START, positionRange.get(), ec);
if (ec)
return false;
if (!range->isPointInRange(positionRange->startContainer(), positionRange->startOffset(), ec))
return false;
if (ec)
return false;
return true;
}
static bool shouldUseSelection(const VisiblePosition& position, const VisibleSelection& selection)
{
if (!selection.isRange())
return false;
RefPtr<Range> selectedRange = selection.toNormalizedRange();
if (!selectedRange)
return false;
return isPositionInRange(position, selectedRange.get());
}
void WebPage::performDictionaryLookupAtLocation(const FloatPoint& floatPoint)
{
if (PluginView* pluginView = pluginViewForFrame(&m_page->mainFrame())) {
if (pluginView->performDictionaryLookupAtLocation(floatPoint))
return;
}
// Find the frame the point is over.
IntPoint point = roundedIntPoint(floatPoint);
HitTestResult result = m_page->mainFrame().eventHandler().hitTestResultAtPoint(m_page->mainFrame().view()->windowToContents(point));
Frame* frame = result.innerNonSharedNode() ? result.innerNonSharedNode()->document().frame() : &m_page->focusController().focusedOrMainFrame();
IntPoint translatedPoint = frame->view()->windowToContents(point);
// Don't do anything if there is no character at the point.
if (!frame->rangeForPoint(translatedPoint))
return;
VisiblePosition position = frame->visiblePositionForPoint(translatedPoint);
VisibleSelection selection = m_page->focusController().focusedOrMainFrame().selection().selection();
if (shouldUseSelection(position, selection)) {
performDictionaryLookupForSelection(frame, selection);
return;
}
NSDictionary *options = nil;
// As context, we are going to use four lines of text before and after the point. (Dictionary can sometimes look up things that are four lines long)
const int numberOfLinesOfContext = 4;
VisiblePosition contextStart = position;
VisiblePosition contextEnd = position;
for (int i = 0; i < numberOfLinesOfContext; i++) {
VisiblePosition n = previousLinePosition(contextStart, contextStart.lineDirectionPointForBlockDirectionNavigation());
if (n.isNull() || n == contextStart)
break;
contextStart = n;
}
for (int i = 0; i < numberOfLinesOfContext; i++) {
VisiblePosition n = nextLinePosition(contextEnd, contextEnd.lineDirectionPointForBlockDirectionNavigation());
if (n.isNull() || n == contextEnd)
break;
contextEnd = n;
}
VisiblePosition lineStart = startOfLine(contextStart);
if (!lineStart.isNull())
contextStart = lineStart;
VisiblePosition lineEnd = endOfLine(contextEnd);
if (!lineEnd.isNull())
contextEnd = lineEnd;
NSRange rangeToPass = NSMakeRange(TextIterator::rangeLength(makeRange(contextStart, position).get()), 0);
RefPtr<Range> fullCharacterRange = makeRange(contextStart, contextEnd);
String fullPlainTextString = plainText(fullCharacterRange.get());
NSRange extractedRange = WKExtractWordDefinitionTokenRangeFromContextualString(fullPlainTextString, rangeToPass, &options);
// This function sometimes returns {NSNotFound, 0} if it was unable to determine a good string.
if (extractedRange.location == NSNotFound)
return;
RefPtr<Range> finalRange = TextIterator::subrange(fullCharacterRange.get(), extractedRange.location, extractedRange.length);
if (!finalRange)
return;
performDictionaryLookupForRange(frame, *finalRange, options);
}
void WebPage::performDictionaryLookupForSelection(Frame* frame, const VisibleSelection& selection)
{
RefPtr<Range> selectedRange = selection.toNormalizedRange();
if (!selectedRange)
return;
NSDictionary *options = nil;
VisiblePosition selectionStart = selection.visibleStart();
VisiblePosition selectionEnd = selection.visibleEnd();
// As context, we are going to use the surrounding paragraphs of text.
VisiblePosition paragraphStart = startOfParagraph(selectionStart);
VisiblePosition paragraphEnd = endOfParagraph(selectionEnd);
int lengthToSelectionStart = TextIterator::rangeLength(makeRange(paragraphStart, selectionStart).get());
int lengthToSelectionEnd = TextIterator::rangeLength(makeRange(paragraphStart, selectionEnd).get());
NSRange rangeToPass = NSMakeRange(lengthToSelectionStart, lengthToSelectionEnd - lengthToSelectionStart);
String fullPlainTextString = plainText(makeRange(paragraphStart, paragraphEnd).get());
// Since we already have the range we want, we just need to grab the returned options.
WKExtractWordDefinitionTokenRangeFromContextualString(fullPlainTextString, rangeToPass, &options);
performDictionaryLookupForRange(frame, *selectedRange, options);
}
void WebPage::performDictionaryLookupForRange(Frame* frame, Range& range, NSDictionary *options)
{
if (range.text().stripWhiteSpace().isEmpty())
return;
RenderObject* renderer = range.startContainer()->renderer();
const RenderStyle& style = renderer->style();
Vector<FloatQuad> quads;
range.textQuads(quads);
if (quads.isEmpty())
return;
IntRect rangeRect = frame->view()->contentsToWindow(quads[0].enclosingBoundingBox());
DictionaryPopupInfo dictionaryPopupInfo;
dictionaryPopupInfo.origin = FloatPoint(rangeRect.x(), rangeRect.y() + (style.fontMetrics().ascent() * pageScaleFactor()));
dictionaryPopupInfo.options = (CFDictionaryRef)options;
NSAttributedString *nsAttributedString = editingAttributedStringFromRange(range);
RetainPtr<NSMutableAttributedString> scaledNSAttributedString = adoptNS([[NSMutableAttributedString alloc] initWithString:[nsAttributedString string]]);
NSFontManager *fontManager = [NSFontManager sharedFontManager];
[nsAttributedString enumerateAttributesInRange:NSMakeRange(0, [nsAttributedString length]) options:0 usingBlock:^(NSDictionary *attributes, NSRange range, BOOL *stop) {
RetainPtr<NSMutableDictionary> scaledAttributes = adoptNS([attributes mutableCopy]);
NSFont *font = [scaledAttributes objectForKey:NSFontAttributeName];
if (font) {
font = [fontManager convertFont:font toSize:[font pointSize] * pageScaleFactor()];
[scaledAttributes setObject:font forKey:NSFontAttributeName];
}
[scaledNSAttributedString addAttributes:scaledAttributes.get() range:range];
}];
AttributedString attributedString;
attributedString.string = scaledNSAttributedString;
send(Messages::WebPageProxy::DidPerformDictionaryLookup(attributedString, dictionaryPopupInfo));
}
bool WebPage::performNonEditingBehaviorForSelector(const String& selector, KeyboardEvent* event)
{
// First give accessibility a chance to handle the event.
Frame* frame = frameForEvent(event);
frame->eventHandler().handleKeyboardSelectionMovementForAccessibility(event);
if (event->defaultHandled())
return true;
// FIXME: All these selectors have corresponding Editor commands, but the commands only work in editable content.
// Should such non-editing behaviors be implemented in Editor or EventHandler::defaultArrowEventHandler() perhaps?
bool didPerformAction = false;
if (selector == "moveUp:")
didPerformAction = scroll(m_page.get(), ScrollUp, ScrollByLine);
else if (selector == "moveToBeginningOfParagraph:")
didPerformAction = scroll(m_page.get(), ScrollUp, ScrollByPage);
else if (selector == "moveToBeginningOfDocument:") {
didPerformAction = scroll(m_page.get(), ScrollUp, ScrollByDocument);
didPerformAction |= scroll(m_page.get(), ScrollLeft, ScrollByDocument);
} else if (selector == "moveDown:")
didPerformAction = scroll(m_page.get(), ScrollDown, ScrollByLine);
else if (selector == "moveToEndOfParagraph:")
didPerformAction = scroll(m_page.get(), ScrollDown, ScrollByPage);
else if (selector == "moveToEndOfDocument:") {
didPerformAction = scroll(m_page.get(), ScrollDown, ScrollByDocument);
didPerformAction |= scroll(m_page.get(), ScrollLeft, ScrollByDocument);
} else if (selector == "moveLeft:")
didPerformAction = scroll(m_page.get(), ScrollLeft, ScrollByLine);
else if (selector == "moveWordLeft:")
didPerformAction = scroll(m_page.get(), ScrollLeft, ScrollByPage);
else if (selector == "moveToLeftEndOfLine:")
didPerformAction = m_page->backForward().goBack();
else if (selector == "moveRight:")
didPerformAction = scroll(m_page.get(), ScrollRight, ScrollByLine);
else if (selector == "moveWordRight:")
didPerformAction = scroll(m_page.get(), ScrollRight, ScrollByPage);
else if (selector == "moveToRightEndOfLine:")
didPerformAction = m_page->backForward().goForward();
return didPerformAction;
}
#if ENABLE(SERVICE_CONTROLS)
static String& replaceSelectionPasteboardName()
{
static NeverDestroyed<String> string("ReplaceSelectionPasteboard");
return string;
}
void WebPage::replaceSelectionWithPasteboardData(const Vector<String>& types, const IPC::DataReference& data)
{
for (auto& type : types)
WebPasteboardOverrides::sharedPasteboardOverrides().addOverride(replaceSelectionPasteboardName(), type, data.vector());
bool result;
readSelectionFromPasteboard(replaceSelectionPasteboardName(), result);
for (auto& type : types)
WebPasteboardOverrides::sharedPasteboardOverrides().removeOverride(replaceSelectionPasteboardName(), type);
}
#endif
bool WebPage::performDefaultBehaviorForKeyEvent(const WebKeyboardEvent&)
{
return false;
}
void WebPage::registerUIProcessAccessibilityTokens(const IPC::DataReference& elementToken, const IPC::DataReference& windowToken)
{
NSData* elementTokenData = [NSData dataWithBytes:elementToken.data() length:elementToken.size()];
NSData* windowTokenData = [NSData dataWithBytes:windowToken.data() length:windowToken.size()];
id remoteElement = WKAXRemoteElementForToken(elementTokenData);
id remoteWindow = WKAXRemoteElementForToken(windowTokenData);
WKAXSetWindowForRemoteElement(remoteWindow, remoteElement);
[accessibilityRemoteObject() setRemoteParent:remoteElement];
}
void WebPage::readSelectionFromPasteboard(const String& pasteboardName, bool& result)
{
Frame& frame = m_page->focusController().focusedOrMainFrame();
if (frame.selection().isNone()) {
result = false;
return;
}
frame.editor().readSelectionFromPasteboard(pasteboardName);
result = true;
}
void WebPage::getStringSelectionForPasteboard(String& stringValue)
{
Frame& frame = m_page->focusController().focusedOrMainFrame();
if (PluginView* pluginView = focusedPluginViewForFrame(frame)) {
String selection = pluginView->getSelectionString();
if (!selection.isNull()) {
stringValue = selection;
return;
}
}
if (frame.selection().isNone())
return;
stringValue = frame.editor().stringSelectionForPasteboard();
}
void WebPage::getDataSelectionForPasteboard(const String pasteboardType, SharedMemory::Handle& handle, uint64_t& size)
{
Frame& frame = m_page->focusController().focusedOrMainFrame();
if (frame.selection().isNone())
return;
RefPtr<SharedBuffer> buffer = frame.editor().dataSelectionForPasteboard(pasteboardType);
if (!buffer) {
size = 0;
return;
}
size = buffer->size();
RefPtr<SharedMemory> sharedMemoryBuffer = SharedMemory::create(size);
memcpy(sharedMemoryBuffer->data(), buffer->data(), size);
sharedMemoryBuffer->createHandle(handle, SharedMemory::ReadOnly);
}
WKAccessibilityWebPageObject* WebPage::accessibilityRemoteObject()
{
return m_mockAccessibilityElement.get();
}
bool WebPage::platformHasLocalDataForURL(const WebCore::URL& url)
{
NSMutableURLRequest* request = [[NSMutableURLRequest alloc] initWithURL:url];
[request setValue:(NSString*)userAgent(url) forHTTPHeaderField:@"User-Agent"];
NSCachedURLResponse *cachedResponse;
if (CFURLStorageSessionRef storageSession = corePage()->mainFrame().loader().networkingContext()->storageSession().platformSession())
cachedResponse = WKCachedResponseForRequest(storageSession, request);
else
cachedResponse = [[NSURLCache sharedURLCache] cachedResponseForRequest:request];
[request release];
return cachedResponse;
}
static NSCachedURLResponse *cachedResponseForURL(WebPage* webPage, const URL& url)
{
RetainPtr<NSMutableURLRequest> request = adoptNS([[NSMutableURLRequest alloc] initWithURL:url]);
[request setValue:(NSString *)webPage->userAgent(url) forHTTPHeaderField:@"User-Agent"];
if (CFURLStorageSessionRef storageSession = webPage->corePage()->mainFrame().loader().networkingContext()->storageSession().platformSession())
return WKCachedResponseForRequest(storageSession, request.get());
return [[NSURLCache sharedURLCache] cachedResponseForRequest:request.get()];
}
String WebPage::cachedSuggestedFilenameForURL(const URL& url)
{
return [[cachedResponseForURL(this, url) response] suggestedFilename];
}
String WebPage::cachedResponseMIMETypeForURL(const URL& url)
{
return [[cachedResponseForURL(this, url) response] MIMEType];
}
PassRefPtr<SharedBuffer> WebPage::cachedResponseDataForURL(const URL& url)
{
return SharedBuffer::wrapNSData([cachedResponseForURL(this, url) data]);
}
bool WebPage::platformCanHandleRequest(const WebCore::ResourceRequest& request)
{
if ([NSURLConnection canHandleRequest:request.nsURLRequest(DoNotUpdateHTTPBody)])
return true;
// FIXME: Return true if this scheme is any one WebKit2 knows how to handle.
return request.url().protocolIs("applewebdata");
}
void WebPage::shouldDelayWindowOrderingEvent(const WebKit::WebMouseEvent& event, bool& result)
{
Frame& frame = m_page->focusController().focusedOrMainFrame();
#if ENABLE(DRAG_SUPPORT)
HitTestResult hitResult = frame.eventHandler().hitTestResultAtPoint(frame.view()->windowToContents(event.position()), HitTestRequest::ReadOnly | HitTestRequest::Active);
if (hitResult.isSelected())
result = frame.eventHandler().eventMayStartDrag(platform(event));
else
#endif
result = false;
}
void WebPage::acceptsFirstMouse(int eventNumber, const WebKit::WebMouseEvent& event, bool& result)
{
result = false;
Frame& frame = m_page->focusController().focusedOrMainFrame();
HitTestResult hitResult = frame.eventHandler().hitTestResultAtPoint(frame.view()->windowToContents(event.position()), HitTestRequest::ReadOnly | HitTestRequest::Active);
frame.eventHandler().setActivationEventNumber(eventNumber);
#if ENABLE(DRAG_SUPPORT)
if (hitResult.isSelected())
result = frame.eventHandler().eventMayStartDrag(platform(event));
else
#endif
result = !!hitResult.scrollbar();
}
void WebPage::setTopOverhangImage(PassRefPtr<WebImage> image)
{
FrameView* frameView = m_mainFrame->coreFrame()->view();
if (!frameView)
return;
GraphicsLayer* layer = frameView->setWantsLayerForTopOverHangArea(image.get());
if (!layer)
return;
layer->setSize(image->size());
layer->setPosition(FloatPoint(0, -image->size().height()));
RetainPtr<CGImageRef> cgImage = image->bitmap()->makeCGImageCopy();
layer->platformLayer().contents = (id)cgImage.get();
}
void WebPage::setBottomOverhangImage(PassRefPtr<WebImage> image)
{
FrameView* frameView = m_mainFrame->coreFrame()->view();
if (!frameView)
return;
GraphicsLayer* layer = frameView->setWantsLayerForBottomOverHangArea(image.get());
if (!layer)
return;
layer->setSize(image->size());
RetainPtr<CGImageRef> cgImage = image->bitmap()->makeCGImageCopy();
layer->platformLayer().contents = (id)cgImage.get();
}
void WebPage::updateHeaderAndFooterLayersForDeviceScaleChange(float scaleFactor)
{
if (m_headerBanner)
m_headerBanner->didChangeDeviceScaleFactor(scaleFactor);
if (m_footerBanner)
m_footerBanner->didChangeDeviceScaleFactor(scaleFactor);
}
void WebPage::computePagesForPrintingPDFDocument(uint64_t frameID, const PrintInfo& printInfo, Vector<IntRect>& resultPageRects)
{
ASSERT(resultPageRects.isEmpty());
WebFrame* frame = WebProcess::shared().webFrame(frameID);
Frame* coreFrame = frame ? frame->coreFrame() : 0;
RetainPtr<PDFDocument> pdfDocument = coreFrame ? pdfDocumentForPrintingFrame(coreFrame) : 0;
if ([pdfDocument allowsPrinting]) {
NSUInteger pageCount = [pdfDocument pageCount];
IntRect pageRect(0, 0, ceilf(printInfo.availablePaperWidth), ceilf(printInfo.availablePaperHeight));
for (NSUInteger i = 1; i <= pageCount; ++i) {
resultPageRects.append(pageRect);
pageRect.move(0, pageRect.height());
}
}
}
static inline CGFloat roundCGFloat(CGFloat f)
{
if (sizeof(CGFloat) == sizeof(float))
return roundf(static_cast<float>(f));
return static_cast<CGFloat>(round(f));
}
static void drawPDFPage(PDFDocument *pdfDocument, CFIndex pageIndex, CGContextRef context, CGFloat pageSetupScaleFactor, CGSize paperSize)
{
CGContextSaveGState(context);
CGContextScaleCTM(context, pageSetupScaleFactor, pageSetupScaleFactor);
PDFPage *pdfPage = [pdfDocument pageAtIndex:pageIndex];
NSRect cropBox = [pdfPage boundsForBox:kPDFDisplayBoxCropBox];
if (NSIsEmptyRect(cropBox))
cropBox = [pdfPage boundsForBox:kPDFDisplayBoxMediaBox];
else
cropBox = NSIntersectionRect(cropBox, [pdfPage boundsForBox:kPDFDisplayBoxMediaBox]);
// Always auto-rotate PDF content regardless of the paper orientation.
NSInteger rotation = [pdfPage rotation];
if (rotation == 90 || rotation == 270)
std::swap(cropBox.size.width, cropBox.size.height);
bool shouldRotate = (paperSize.width < paperSize.height) != (cropBox.size.width < cropBox.size.height);
if (shouldRotate)
std::swap(cropBox.size.width, cropBox.size.height);
// Center.
CGFloat widthDifference = paperSize.width / pageSetupScaleFactor - cropBox.size.width;
CGFloat heightDifference = paperSize.height / pageSetupScaleFactor - cropBox.size.height;
if (widthDifference || heightDifference)
CGContextTranslateCTM(context, roundCGFloat(widthDifference / 2), roundCGFloat(heightDifference / 2));
if (shouldRotate) {
CGContextRotateCTM(context, static_cast<CGFloat>(piOverTwoDouble));
CGContextTranslateCTM(context, 0, -cropBox.size.width);
}
[NSGraphicsContext saveGraphicsState];
[NSGraphicsContext setCurrentContext:[NSGraphicsContext graphicsContextWithGraphicsPort:context flipped:NO]];
[pdfPage drawWithBox:kPDFDisplayBoxCropBox];
[NSGraphicsContext restoreGraphicsState];
CGAffineTransform transform = CGContextGetCTM(context);
for (PDFAnnotation *annotation in [pdfPage annotations]) {
if (![annotation isKindOfClass:pdfAnnotationLinkClass()])
continue;
PDFAnnotationLink *linkAnnotation = (PDFAnnotationLink *)annotation;
NSURL *url = [linkAnnotation URL];
if (!url)
continue;
CGRect urlRect = NSRectToCGRect([linkAnnotation bounds]);
CGRect transformedRect = CGRectApplyAffineTransform(urlRect, transform);
CGPDFContextSetURLForRect(context, (CFURLRef)url, transformedRect);
}
CGContextRestoreGState(context);
}
void WebPage::drawPDFDocument(CGContextRef context, PDFDocument *pdfDocument, const PrintInfo& printInfo, const WebCore::IntRect& rect)
{
NSUInteger pageCount = [pdfDocument pageCount];
IntSize paperSize(ceilf(printInfo.availablePaperWidth), ceilf(printInfo.availablePaperHeight));
IntRect pageRect(IntPoint(), paperSize);
for (NSUInteger i = 0; i < pageCount; ++i) {
if (pageRect.intersects(rect)) {
CGContextSaveGState(context);
CGContextTranslateCTM(context, pageRect.x() - rect.x(), pageRect.y() - rect.y());
drawPDFPage(pdfDocument, i, context, printInfo.pageSetupScaleFactor, paperSize);
CGContextRestoreGState(context);
}
pageRect.move(0, pageRect.height());
}
}
void WebPage::drawPagesToPDFFromPDFDocument(CGContextRef context, PDFDocument *pdfDocument, const PrintInfo& printInfo, uint32_t first, uint32_t count)
{
NSUInteger pageCount = [pdfDocument pageCount];
for (uint32_t page = first; page < first + count; ++page) {
if (page >= pageCount)
break;
RetainPtr<CFDictionaryRef> pageInfo = adoptCF(CFDictionaryCreateMutable(0, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks));
CGPDFContextBeginPage(context, pageInfo.get());
drawPDFPage(pdfDocument, page, context, printInfo.pageSetupScaleFactor, CGSizeMake(printInfo.availablePaperWidth, printInfo.availablePaperHeight));
CGPDFContextEndPage(context);
}
}
#if ENABLE(WEBGL)
WebCore::WebGLLoadPolicy WebPage::webGLPolicyForURL(WebFrame* frame, const String& url)
{
uint32_t policyResult = 0;
if (sendSync(Messages::WebPageProxy::WebGLPolicyForURL(url), Messages::WebPageProxy::WebGLPolicyForURL::Reply(policyResult)))
return static_cast<WebGLLoadPolicy>(policyResult);
return WebGLAllowCreation;
}
WebCore::WebGLLoadPolicy WebPage::resolveWebGLPolicyForURL(WebFrame* frame, const String& url)
{
uint32_t policyResult = 0;
if (sendSync(Messages::WebPageProxy::ResolveWebGLPolicyForURL(url), Messages::WebPageProxy::ResolveWebGLPolicyForURL::Reply(policyResult)))
return static_cast<WebGLLoadPolicy>(policyResult);
return WebGLAllowCreation;
}
#endif // ENABLE(WEBGL)
#if ENABLE(TELEPHONE_NUMBER_DETECTION)
void WebPage::handleTelephoneNumberClick(const String& number, const IntPoint& point)
{
send(Messages::WebPageProxy::ShowTelephoneNumberMenu(number, point));
}
#endif
#if ENABLE(SERVICE_CONTROLS)
void WebPage::handleSelectionServiceClick(FrameSelection& selection, const Vector<String>& phoneNumbers, const IntPoint& point)
{
RefPtr<Range> range = selection.selection().firstRange();
if (!range)
return;
NSAttributedString *attributedSelection = attributedStringFromRange(*range);
if (!attributedSelection)
return;
NSData *selectionData = [attributedSelection RTFDFromRange:NSMakeRange(0, [attributedSelection length]) documentAttributes:nil];
IPC::DataReference data = IPC::DataReference(reinterpret_cast<const uint8_t*>([selectionData bytes]), [selectionData length]);
bool isEditable = selection.selection().isContentRichlyEditable();
send(Messages::WebPageProxy::ShowSelectionServiceMenu(data, phoneNumbers, isEditable, point));
}
#endif
String WebPage::platformUserAgent(const URL&) const
{
return String();
}
} // namespace WebKit
#endif // PLATFORM(MAC)