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/*
* Copyright (C) 2012 Google 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 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 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.
*/
#ifndef Internals_h
#define Internals_h
#include "ContextDestructionObserver.h"
#include "ExceptionCodePlaceholder.h"
#include "NodeList.h"
#include <wtf/ArrayBuffer.h>
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class ClientRect;
class ClientRectList;
class DOMStringList;
class DOMWindow;
class Document;
class DocumentMarker;
class Element;
class Frame;
class InspectorFrontendChannelDummy;
class InternalSettings;
class Node;
class Page;
class PagePopupController;
class Range;
class ScriptExecutionContext;
class ShadowRoot;
class WebKitPoint;
class MallocStatistics;
class SerializedScriptValue;
typedef int ExceptionCode;
class Internals : public RefCounted<Internals>
, public ContextDestructionObserver {
public:
static PassRefPtr<Internals> create(Document*);
virtual ~Internals();
static void resetToConsistentState(Page*);
String elementRenderTreeAsText(Element*, ExceptionCode&);
String address(Node*);
bool isPreloaded(Document*, const String& url);
size_t numberOfScopedHTMLStyleChildren(const Node*, ExceptionCode&) const;
#if ENABLE(SHADOW_DOM)
typedef ShadowRoot ShadowRootIfShadowDOMEnabledOrNode;
#else
typedef Node ShadowRootIfShadowDOMEnabledOrNode;
#endif
ShadowRootIfShadowDOMEnabledOrNode* ensureShadowRoot(Element* host, ExceptionCode&);
ShadowRootIfShadowDOMEnabledOrNode* shadowRoot(Element* host, ExceptionCode&);
ShadowRootIfShadowDOMEnabledOrNode* youngestShadowRoot(Element* host, ExceptionCode&);
ShadowRootIfShadowDOMEnabledOrNode* oldestShadowRoot(Element* host, ExceptionCode&);
ShadowRootIfShadowDOMEnabledOrNode* youngerShadowRoot(Node* shadow, ExceptionCode&);
ShadowRootIfShadowDOMEnabledOrNode* olderShadowRoot(Node* shadow, ExceptionCode&);
String shadowRootType(const Node*, ExceptionCode&) const;
bool hasShadowInsertionPoint(const Node*, ExceptionCode&) const;
bool hasContentElement(const Node*, ExceptionCode&) const;
size_t countElementShadow(const Node*, ExceptionCode&) const;
Element* includerFor(Node*, ExceptionCode&);
String shadowPseudoId(Element*, ExceptionCode&);
void setShadowPseudoId(Element*, const String&, ExceptionCode&);
PassRefPtr<Element> createContentElement(Document*, ExceptionCode&);
Element* getElementByIdInShadowRoot(Node* shadowRoot, const String& id, ExceptionCode&);
bool isValidContentSelect(Element* insertionPoint, ExceptionCode&);
Node* treeScopeRootNode(Node*, ExceptionCode&);
Node* parentTreeScope(Node*, ExceptionCode&);
bool hasSelectorForIdInShadow(Element* host, const String& idValue, ExceptionCode&);
bool hasSelectorForClassInShadow(Element* host, const String& className, ExceptionCode&);
bool hasSelectorForAttributeInShadow(Element* host, const String& attributeName, ExceptionCode&);
bool hasSelectorForPseudoClassInShadow(Element* host, const String& pseudoClass, ExceptionCode&);
bool attached(Node*, ExceptionCode&);
// FIXME: Rename these functions if walker is prefered.
Node* nextSiblingByWalker(Node*, ExceptionCode&);
Node* firstChildByWalker(Node*, ExceptionCode&);
Node* lastChildByWalker(Node*, ExceptionCode&);
Node* nextNodeByWalker(Node*, ExceptionCode&);
Node* previousNodeByWalker(Node*, ExceptionCode&);
String visiblePlaceholder(Element*);
#if ENABLE(INPUT_TYPE_COLOR)
void selectColorInColorChooser(Element*, const String& colorValue);
#endif
PassRefPtr<DOMStringList> formControlStateOfPreviousHistoryItem(ExceptionCode&);
void setFormControlStateOfPreviousHistoryItem(PassRefPtr<DOMStringList>, ExceptionCode&);
void setEnableMockPagePopup(bool, ExceptionCode&);
#if ENABLE(PAGE_POPUP)
PassRefPtr<PagePopupController> pagePopupController();
#endif
PassRefPtr<ClientRect> absoluteCaretBounds(Document*, ExceptionCode&);
PassRefPtr<ClientRect> boundingBox(Element*, ExceptionCode&);
PassRefPtr<ClientRectList> inspectorHighlightRects(Document*, ExceptionCode&);
void setBackgroundBlurOnNode(Node*, int blurLength, ExceptionCode&);
unsigned markerCountForNode(Node*, const String&, ExceptionCode&);
PassRefPtr<Range> markerRangeForNode(Node*, const String& markerType, unsigned index, ExceptionCode&);
String markerDescriptionForNode(Node*, const String& markerType, unsigned index, ExceptionCode&);
void addTextMatchMarker(const Range*, bool isActive);
void setScrollViewPosition(Document*, long x, long y, ExceptionCode&);
void setPagination(Document* document, const String& mode, int gap, ExceptionCode& ec) { setPagination(document, mode, gap, 0, ec); }
void setPagination(Document*, const String& mode, int gap, int pageLength, ExceptionCode&);
String configurationForViewport(Document*, float devicePixelRatio, int deviceWidth, int deviceHeight, int availableWidth, int availableHeight, ExceptionCode&);
bool wasLastChangeUserEdit(Element* textField, ExceptionCode&);
String suggestedValue(Element* inputElement, ExceptionCode&);
void setSuggestedValue(Element* inputElement, const String&, ExceptionCode&);
void setEditingValue(Element* inputElement, const String&, ExceptionCode&);
void scrollElementToRect(Element*, long x, long y, long w, long h, ExceptionCode&);
void paintControlTints(Document*, ExceptionCode&);
PassRefPtr<Range> rangeFromLocationAndLength(Element* scope, int rangeLocation, int rangeLength, ExceptionCode&);
unsigned locationFromRange(Element* scope, const Range*, ExceptionCode&);
unsigned lengthFromRange(Element* scope, const Range*, ExceptionCode&);
String rangeAsText(const Range*, ExceptionCode&);
void setDelegatesScrolling(bool enabled, Document*, ExceptionCode&);
#if ENABLE(TOUCH_ADJUSTMENT)
PassRefPtr<WebKitPoint> touchPositionAdjustedToBestClickableNode(long x, long y, long width, long height, Document*, ExceptionCode&);
Node* touchNodeAdjustedToBestClickableNode(long x, long y, long width, long height, Document*, ExceptionCode&);
PassRefPtr<WebKitPoint> touchPositionAdjustedToBestContextMenuNode(long x, long y, long width, long height, Document*, ExceptionCode&);
Node* touchNodeAdjustedToBestContextMenuNode(long x, long y, long width, long height, Document*, ExceptionCode&);
PassRefPtr<ClientRect> bestZoomableAreaForTouchPoint(long x, long y, long width, long height, Document*, ExceptionCode&);
#endif
int lastSpellCheckRequestSequence(Document*, ExceptionCode&);
int lastSpellCheckProcessedSequence(Document*, ExceptionCode&);
Vector<String> userPreferredLanguages() const;
void setUserPreferredLanguages(const Vector<String>&);
unsigned wheelEventHandlerCount(Document*, ExceptionCode&);
unsigned touchEventHandlerCount(Document*, ExceptionCode&);
PassRefPtr<NodeList> nodesFromRect(Document*, int x, int y, unsigned topPadding, unsigned rightPadding,
unsigned bottomPadding, unsigned leftPadding, bool ignoreClipping, bool allowShadowContent, ExceptionCode&) const;
void emitInspectorDidBeginFrame();
void emitInspectorDidCancelFrame();
bool hasSpellingMarker(Document*, int from, int length, ExceptionCode&);
bool hasGrammarMarker(Document*, int from, int length, ExceptionCode&);
bool hasAutocorrectedMarker(Document*, int from, int length, ExceptionCode&);
unsigned numberOfScrollableAreas(Document*, ExceptionCode&);
bool isPageBoxVisible(Document*, int pageNumber, ExceptionCode&);
static const char* internalsId;
InternalSettings* settings() const;
void setBatteryStatus(Document*, const String& eventType, bool charging, double chargingTime, double dischargingTime, double level, ExceptionCode&);
void setNetworkInformation(Document*, const String& eventType, double bandwidth, bool metered, ExceptionCode&);
void suspendAnimations(Document*, ExceptionCode&) const;
void resumeAnimations(Document*, ExceptionCode&) const;
enum {
// Values need to be kept in sync with Internals.idl.
LAYER_TREE_INCLUDES_VISIBLE_RECTS = 1,
LAYER_TREE_INCLUDES_TILE_CACHES = 2,
LAYER_TREE_INCLUDES_REPAINT_RECTS = 4
};
String layerTreeAsText(Document*, unsigned flags, ExceptionCode&) const;
String layerTreeAsText(Document*, ExceptionCode&) const;
String repaintRectsAsText(Document*, ExceptionCode&) const;
String scrollingStateTreeAsText(Document*, ExceptionCode&) const;
void garbageCollectDocumentResources(Document*, ExceptionCode&) const;
void allowRoundingHacks() const;
#if ENABLE(INSPECTOR)
unsigned numberOfLiveNodes() const;
unsigned numberOfLiveDocuments() const;
Vector<String> consoleMessageArgumentCounts(Document*) const;
PassRefPtr<DOMWindow> openDummyInspectorFrontend(const String& url);
void closeDummyInspectorFrontend();
void setInspectorResourcesDataSizeLimits(int maximumResourcesContentSize, int maximumSingleResourceContentSize, ExceptionCode&);
void setJavaScriptProfilingEnabled(bool enabled, ExceptionCode&);
#endif
String counterValue(Element*);
int pageNumber(Element*, float pageWidth = 800, float pageHeight = 600);
PassRefPtr<DOMStringList> iconURLs(Document*) const;
int numberOfPages(float pageWidthInPixels = 800, float pageHeightInPixels = 600);
String pageProperty(String, int, ExceptionCode& = ASSERT_NO_EXCEPTION) const;
String pageSizeAndMarginsInPixels(int, int, int, int, int, int, int, ExceptionCode& = ASSERT_NO_EXCEPTION) const;
void setPageScaleFactor(float scaleFactor, int x, int y, ExceptionCode&);
#if ENABLE(FULLSCREEN_API)
void webkitWillEnterFullScreenForElement(Document*, Element*);
void webkitDidEnterFullScreenForElement(Document*, Element*);
void webkitWillExitFullScreenForElement(Document*, Element*);
void webkitDidExitFullScreenForElement(Document*, Element*);
#endif
void registerURLSchemeAsBypassingContentSecurityPolicy(const String& scheme);
void removeURLSchemeRegisteredAsBypassingContentSecurityPolicy(const String& scheme);
PassRefPtr<MallocStatistics> mallocStatistics() const;
PassRefPtr<DOMStringList> getReferencedFilePaths() const;
void startTrackingRepaints(Document*, ExceptionCode&);
void stopTrackingRepaints(Document*, ExceptionCode&);
PassRefPtr<ArrayBuffer> serializeObject(PassRefPtr<SerializedScriptValue>) const;
PassRefPtr<SerializedScriptValue> deserializeBuffer(PassRefPtr<ArrayBuffer>) const;
void setUsesOverlayScrollbars(bool enabled);
String getCurrentCursorInfo(Document*, ExceptionCode&);
private:
explicit Internals(Document*);
Document* contextDocument() const;
Frame* frame() const;
DocumentMarker* markerAt(Node*, const String& markerType, unsigned index, ExceptionCode&);
#if ENABLE(INSPECTOR)
RefPtr<DOMWindow> m_frontendWindow;
OwnPtr<InspectorFrontendChannelDummy> m_frontendChannel;
#endif
};
} // namespace WebCore
#endif
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