/*
 * Copyright (C) 2012 Google Inc. All rights reserved.
 * Copyright (C) 2013 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 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.
 */

[
    NoInterfaceObject,
] interface Internals {
    DOMString address(Node node);

    [RaisesException] DOMString elementRenderTreeAsText(Element element);
    boolean isPreloaded(DOMString url);
    boolean isLoadingFromMemoryCache(DOMString url);

    [RaisesException] CSSStyleDeclaration computedStyleIncludingVisitedInfo(Node node);

#if defined(ENABLE_SHADOW_DOM) && ENABLE_SHADOW_DOM
    [RaisesException] ShadowRoot ensureShadowRoot(Element host);
    [RaisesException] ShadowRoot createShadowRoot(Element host);
    [RaisesException] ShadowRoot shadowRoot(Element host);
#else
    [RaisesException] Node ensureShadowRoot(Element host);
    [RaisesException] Node createShadowRoot(Element host);
    [RaisesException] Node shadowRoot(Element host);
#endif
    [RaisesException] DOMString shadowRootType(Node root);
    [RaisesException] Element includerFor(Node node);
    [RaisesException] DOMString shadowPseudoId(Element element);
    [RaisesException] void setShadowPseudoId(Element element, DOMString id);
    [RaisesException] Node treeScopeRootNode(Node node);
    [RaisesException] Node parentTreeScope(Node node);

    // Spatial Navigation testing
    [RaisesException] unsigned long lastSpatialNavigationCandidateCount();

    // CSS Animation testing.
    unsigned long numberOfActiveAnimations();
    [RaisesException] void suspendAnimations();
    [RaisesException] void resumeAnimations();
    [RaisesException] boolean animationsAreSuspended();
    [RaisesException] boolean pauseAnimationAtTimeOnElement(DOMString animationName, double pauseTime, Element element);
    [RaisesException] boolean pauseAnimationAtTimeOnPseudoElement(DOMString animationName, double pauseTime, Element element, DOMString pseudoId);

    // CSS Transition testing.
    [RaisesException] boolean pauseTransitionAtTimeOnElement(DOMString propertyName, double pauseTime, Element element);
    [RaisesException] boolean pauseTransitionAtTimeOnPseudoElement(DOMString property, double pauseTime, Element element, DOMString pseudoId);

    [RaisesException] boolean attached(Node node);

    DOMString visiblePlaceholder(Element element);
#if defined(ENABLE_INPUT_TYPE_COLOR) && ENABLE_INPUT_TYPE_COLOR
    void selectColorInColorChooser(Element element, DOMString colorValue);
#endif
    [RaisesException] DOMString[] formControlStateOfPreviousHistoryItem();
    [RaisesException] void setFormControlStateOfPreviousHistoryItem(sequence<DOMString> values);

    [RaisesException] ClientRect absoluteCaretBounds();

    [RaisesException] ClientRect boundingBox(Element element);

    [RaisesException] ClientRectList inspectorHighlightRects();
    [RaisesException] DOMString inspectorHighlightObject();

    [RaisesException] unsigned long markerCountForNode(Node node, DOMString markerType);
    [RaisesException] Range markerRangeForNode(Node node, DOMString markerType, unsigned long index);
    [RaisesException] DOMString markerDescriptionForNode(Node node, DOMString markerType, unsigned long index);
    void addTextMatchMarker(Range range, boolean isActive);

    [RaisesException] void setScrollViewPosition(long x, long y);

    [RaisesException] void setPagination(DOMString mode, long gap, optional long pageLength);

    [RaisesException] DOMString configurationForViewport(float devicePixelRatio,
                                       long deviceWidth,
                                       long deviceHeight,
                                       long availableWidth,
                                       long availableHeight);

    [RaisesException] boolean wasLastChangeUserEdit(Element textField);
    [RaisesException] boolean elementShouldAutoComplete(Element inputElement);
    [RaisesException] DOMString suggestedValue(Element inputElement);
    [RaisesException] void setSuggestedValue(Element inputElement, DOMString value);
    [RaisesException] void setEditingValue(Element inputElement, DOMString value);
    [RaisesException] void setAutofilled(Element inputElement, boolean enabled);

    [RaisesException] void paintControlTints();

    [RaisesException] void scrollElementToRect(Element element, long x, long y, long w, long h);

    [RaisesException] Range rangeFromLocationAndLength(Element scope, long rangeLocation, long rangeLength);
    [RaisesException] unsigned long locationFromRange(Element scope, Range range);
    [RaisesException] unsigned long lengthFromRange(Element scope, Range range);
    [RaisesException] DOMString rangeAsText(Range range);

    [RaisesException] void setDelegatesScrolling(boolean enabled);

    [RaisesException] long lastSpellCheckRequestSequence();
    [RaisesException] long lastSpellCheckProcessedSequence();

    sequence<DOMString> userPreferredLanguages();
    void setUserPreferredLanguages(sequence<DOMString> languages);

    [RaisesException] unsigned long wheelEventHandlerCount();
    [RaisesException] unsigned long touchEventHandlerCount();

    [RaisesException] NodeList nodesFromRect(Document document, long x, long y,
        unsigned long topPadding, unsigned long rightPadding, unsigned long bottomPadding, unsigned long leftPadding,
        boolean ignoreClipping, boolean allowShadowContent, boolean allowChildFrameContent);

    void emitInspectorDidBeginFrame();
    void emitInspectorDidCancelFrame();

    // Calling parserMetaData() with no arguments gets the metadata for the script of the current scope.
    DOMString parserMetaData(optional any func);

    [RaisesException] boolean hasSpellingMarker(long from, long length);
    [RaisesException] boolean hasGrammarMarker(long from, long length);
    [RaisesException] boolean hasAutocorrectedMarker(long from, long length);
    [RaisesException] void setContinuousSpellCheckingEnabled(boolean enabled);
    [RaisesException] void setAutomaticQuoteSubstitutionEnabled(boolean enabled);
    [RaisesException] void setAutomaticLinkDetectionEnabled(boolean enabled);
    [RaisesException] void setAutomaticDashSubstitutionEnabled(boolean enabled);
    [RaisesException] void setAutomaticTextReplacementEnabled(boolean enabled);
    [RaisesException] void setAutomaticSpellingCorrectionEnabled(boolean enabled);

    [RaisesException] boolean isOverwriteModeEnabled();
    [RaisesException] void toggleOverwriteModeEnabled();

    [RaisesException] unsigned long numberOfScrollableAreas();

    [RaisesException] boolean isPageBoxVisible(long pageNumber);

    readonly attribute InternalSettings settings;
    readonly attribute unsigned long workerThreadCount;

    // Flags for layerTreeAsText.
    const unsigned short LAYER_TREE_INCLUDES_VISIBLE_RECTS = 1;
    const unsigned short LAYER_TREE_INCLUDES_TILE_CACHES = 2;
    const unsigned short LAYER_TREE_INCLUDES_REPAINT_RECTS = 4;
    const unsigned short LAYER_TREE_INCLUDES_PAINTING_PHASES = 8;
    const unsigned short LAYER_TREE_INCLUDES_CONTENT_LAYERS = 16;
    [RaisesException] DOMString layerTreeAsText(Document document, optional unsigned short flags);

    [RaisesException] DOMString scrollingStateTreeAsText();
    [RaisesException] DOMString mainThreadScrollingReasons(); // FIXME: rename to synchronousScrollingReasons().
    [RaisesException] ClientRectList nonFastScrollableRects();

    [RaisesException] DOMString repaintRectsAsText();

    [RaisesException] void garbageCollectDocumentResources();

    void allowRoundingHacks();

    [RaisesException] void insertAuthorCSS(DOMString css);
    [RaisesException] void insertUserCSS(DOMString css);

#if defined(ENABLE_BATTERY_STATUS) && ENABLE_BATTERY_STATUS
    [RaisesException] void setBatteryStatus(DOMString eventType, boolean charging, double chargingTime, double dischargingTime, double level);
#endif

#if defined(ENABLE_NETWORK_INFO) && ENABLE_NETWORK_INFO
    [RaisesException] void setNetworkInformation(DOMString eventType, double bandwidth, boolean metered);
#endif

#if defined(ENABLE_PROXIMITY_EVENTS) && ENABLE_PROXIMITY_EVENTS
    [RaisesException] void setDeviceProximity(DOMString eventType, double value, double min, double max);
#endif

    [Conditional=INSPECTOR] unsigned long numberOfLiveNodes();
    [Conditional=INSPECTOR] unsigned long numberOfLiveDocuments();
    [Conditional=INSPECTOR] sequence<DOMString> consoleMessageArgumentCounts();
    [Conditional=INSPECTOR] DOMWindow openDummyInspectorFrontend(DOMString url);
    [Conditional=INSPECTOR] void closeDummyInspectorFrontend();
    [Conditional=INSPECTOR, RaisesException] void setInspectorResourcesDataSizeLimits(long maximumResourcesContentSize, long maximumSingleResourceContentSize);
    [Conditional=INSPECTOR, RaisesException] void setJavaScriptProfilingEnabled(boolean creates);

    DOMString counterValue(Element element);
    long pageNumber(Element element, optional float pageWidth, optional float pageHeight);
    DOMString[] shortcutIconURLs();
    DOMString[] allIconURLs();
    long numberOfPages(optional double pageWidthInPixels, optional double pageHeightInPixels);
    [RaisesException] DOMString pageProperty(DOMString propertyName, long pageNumber);
    [RaisesException] DOMString pageSizeAndMarginsInPixels(long pageIndex, long width, long height, long marginTop, long marginRight, long marginBottom, long marginLeft);

    [RaisesException] void setPageScaleFactor(float scaleFactor, long x, long y);

    void setHeaderHeight(float height);
    void setFooterHeight(float height);

#if defined(ENABLE_FULLSCREEN_API) && ENABLE_FULLSCREEN_API
    void webkitWillEnterFullScreenForElement(Element element);
    void webkitDidEnterFullScreenForElement(Element element);
    void webkitWillExitFullScreenForElement(Element element);
    void webkitDidExitFullScreenForElement(Element element);
#endif

    void setApplicationCacheOriginQuota(unsigned long long quota);

    void registerURLSchemeAsBypassingContentSecurityPolicy(DOMString scheme);
    void removeURLSchemeRegisteredAsBypassingContentSecurityPolicy(DOMString scheme);

    MallocStatistics mallocStatistics();
    TypeConversions typeConversions();
    MemoryInfo memoryInfo();

    DOMString[] getReferencedFilePaths();

    // These functions both reset the tracked repaint rects. They are inteded to be used in the following order:
    //  startTrackingRepaints, repaintRectsAsText, stopTrackingRepaints.
    [RaisesException] void startTrackingRepaints();
    [RaisesException] void stopTrackingRepaints();

    // |node| should be Document, HTMLIFrameElement, or unspecified.
    // If |node| is an HTMLIFrameElement, it assumes node.contentDocument is
    // specified without security checks. Unspecified means this document.
    [RaisesException] void updateLayoutIgnorePendingStylesheetsAndRunPostLayoutTasks(optional Node node);

    // Returns a string with information about the mouse cursor used at the specified client location.
    [RaisesException] DOMString getCurrentCursorInfo();

    [RaisesException] DOMString markerTextForListItem(Element element);

    SerializedScriptValue deserializeBuffer(ArrayBuffer buffer);
    ArrayBuffer serializeObject(SerializedScriptValue obj);

    void setUsesOverlayScrollbars(boolean enabled);

    void forceReload(boolean endToEnd);

    [Conditional=VIDEO] void simulateAudioInterruption(Node node);

    [Conditional=ENCRYPTED_MEDIA_V2] void initializeMockCDM();

    [Conditional=SPEECH_SYNTHESIS] void enableMockSpeechSynthesizer();

    [RaisesException] DOMString getImageSourceURL(Element element);

    [Conditional=VIDEO_TRACK, RaisesException] DOMString captionsStyleSheetOverride();
    [Conditional=VIDEO_TRACK, RaisesException] void setCaptionsStyleSheetOverride(DOMString override);
    [Conditional=VIDEO_TRACK, RaisesException] void setPrimaryAudioTrackLanguageOverride(DOMString language);
    [Conditional=VIDEO_TRACK, RaisesException] void setCaptionDisplayMode(DOMString mode);

    [Conditional=VIDEO] TimeRanges createTimeRanges(Float32Array startTimes, Float32Array
     endTimes);
    [Conditional=VIDEO] double closestTimeToTimeRanges(double time, TimeRanges ranges);

    boolean isSelectPopupVisible(Node node);

#if defined(ENABLE_VIBRATION) && ENABLE_VIBRATION
    boolean isVibrating();
#endif

    [RaisesException] boolean isPluginUnavailabilityIndicatorObscured(Element element);

    [RaisesException] ClientRect selectionBounds();
    
    [Conditional=MEDIA_SOURCE] void initializeMockMediaSource();

    void beginMediaSessionInterruption();
    void endMediaSessionInterruption(DOMString flags);
    [RaisesException] void setMediaSessionRestrictions(DOMString mediaType, DOMString restrictions);
};
