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protocol.json
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protocol.json
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{
"version": { "major": "1", "minor": "1" },
"domains": [{
"domain": "Page",
"description": "Actions and events related to the inspected page belong to the page domain.",
"types": [
{
"id": "ResourceType",
"type": "string",
"enum": ["Document", "Stylesheet", "Image", "Media", "Font", "Script", "TextTrack", "XHR", "Fetch", "EventSource", "WebSocket", "Other"],
"description": "Resource type as it was perceived by the rendering engine."
},
{
"id": "FrameId",
"type": "string",
"description": "Unique frame identifier."
},
{
"id": "Frame",
"type": "object",
"description": "Information about the Frame on the page.",
"properties": [
{ "name": "id", "type": "string", "description": "Frame unique identifier." },
{ "name": "parentId", "type": "string", "optional": true, "description": "Parent frame identifier." },
{ "name": "loaderId", "$ref": "Network.LoaderId", "description": "Identifier of the loader associated with this frame." },
{ "name": "name", "type": "string", "optional": true, "description": "Frame's name as specified in the tag." },
{ "name": "url", "type": "string", "description": "Frame document's URL." },
{ "name": "securityOrigin", "type": "string", "description": "Frame document's security origin." },
{ "name": "mimeType", "type": "string", "description": "Frame document's mimeType as determined by the browser." }
]
},
{
"id": "ScreencastFrameMetadata",
"type": "object",
"description": "Screencast frame metadata",
"properties": [
{ "name": "offsetTop", "type": "number", "hidden": true, "description": "Top offset in DIP." },
{ "name": "pageScaleFactor", "type": "number", "hidden": true, "description": "Page scale factor." },
{ "name": "deviceWidth", "type": "number", "hidden": true, "description": "Device screen width in DIP." },
{ "name": "deviceHeight", "type": "number", "hidden": true, "description": "Device screen height in DIP." },
{ "name": "scrollOffsetX", "type": "number", "hidden": true, "description": "Position of horizontal scroll in CSS pixels." },
{ "name": "scrollOffsetY", "type": "number", "hidden": true, "description": "Position of vertical scroll in CSS pixels." },
{ "name": "timestamp", "type": "number", "optional": true, "hidden": true, "description": "Frame swap timestamp." }
],
"hidden": true
}
],
"commands": [
{
"name": "enable",
"description": "Enables page domain notifications.",
"handlers": ["browser", "renderer"]
},
{
"name": "disable",
"description": "Disables page domain notifications.",
"handlers": ["browser", "renderer"]
},
{
"name": "reload",
"parameters": [
{ "name": "ignoreCache", "type": "boolean", "optional": true, "description": "If true, browser cache is ignored (as if the user pressed Shift+refresh)." },
{ "name": "scriptToEvaluateOnLoad", "type": "string", "optional": true, "description": "If set, the script will be injected into all frames of the inspected page after reload." }
],
"description": "Reloads given page optionally ignoring the cache.",
"handlers": ["browser", "renderer"]
},
{
"name": "navigate",
"parameters": [
{ "name": "url", "type": "string", "description": "URL to navigate the page to." }
],
"returns": [
{ "name": "frameId", "$ref": "FrameId", "hidden": true, "description": "Frame id that will be navigated." }
],
"description": "Navigates current page to the given URL.",
"handlers": ["browser", "renderer"]
},
{
"name": "getNavigationHistory",
"parameters": [],
"returns": [
{ "name": "currentIndex", "type": "integer", "description": "Index of the current navigation history entry." },
{ "name": "entries", "type": "array", "items": { "$ref": "NavigationEntry" }, "description": "Array of navigation history entries." }
],
"description": "Returns navigation history for the current page.",
"hidden": true,
"handlers": ["browser"]
},
{
"name": "getCookies",
"returns": [
{ "name": "cookies", "type": "array", "items": { "$ref": "Network.Cookie" }, "description": "Array of cookie objects." }
],
"description": "Returns all browser cookies. Depending on the backend support, will return detailed cookie information in the <code>cookies</code> field.",
"handlers": ["browser"],
"async": true,
"hidden": true,
"redirect": "Network"
},
{
"name": "deleteCookie",
"parameters": [
{ "name": "cookieName", "type": "string", "description": "Name of the cookie to remove." },
{ "name": "url", "type": "string", "description": "URL to match cooke domain and path." }
],
"description": "Deletes browser cookie with given name, domain and path.",
"handlers": ["browser"],
"async": true,
"hidden": true,
"redirect": "Network"
},
{
"name": "getResourceTree",
"description": "Returns present frame / resource tree structure.",
"returns": [
{ "name": "frameTree", "$ref": "FrameResourceTree", "description": "Present frame / resource tree structure." }
],
"hidden": true
},
{
"name": "captureScreenshot",
"async": true,
"description": "Capture page screenshot.",
"parameters": [],
"returns": [
{ "name": "data", "type": "string", "description": "Base64-encoded image data (PNG)." }
],
"hidden": true,
"handlers": ["browser"]
},
{
"name": "canScreencast",
"description": "Tells whether screencast is supported.",
"returns": [
{ "name": "result", "type": "boolean", "description": "True if screencast is supported." }
],
"hidden": true,
"handlers": ["browser"]
},
{
"name": "startScreencast",
"description": "Starts sending each frame using the <code>screencastFrame</code> event.",
"parameters": [
{ "name": "format", "type": "string", "optional": true, "enum": ["jpeg", "png"], "description": "Image compression format." },
{ "name": "quality", "type": "integer", "optional": true, "description": "Compression quality from range [0..100]." },
{ "name": "maxWidth", "type": "integer", "optional": true, "description": "Maximum screenshot width." },
{ "name": "maxHeight", "type": "integer", "optional": true, "description": "Maximum screenshot height." }
],
"hidden": true,
"handlers": ["browser", "renderer"]
},
{
"name": "stopScreencast",
"description": "Stops sending each frame in the <code>screencastFrame</code>.",
"hidden": true,
"handlers": ["browser", "renderer"]
},
{
"name": "screencastFrameAck",
"description": "Acknowledges that a screencast frame has been received by the frontend.",
"parameters": [
{ "name": "frameNumber", "type": "integer", "description": "Frame number." }
],
"hidden": true,
"handlers": ["browser"]
},
{
"name": "setShowViewportSizeOnResize",
"description": "Paints viewport size upon main frame resize.",
"parameters": [
{ "name": "show", "type": "boolean", "description": "Whether to paint size or not." },
{ "name": "showGrid", "type": "boolean", "optional": true, "description": "Whether to paint grid as well." }
],
"hidden": true
}
],
"events": [
{
"name": "domContentEventFired",
"parameters": [
{ "name": "timestamp", "type": "number" }
]
},
{
"name": "loadEventFired",
"parameters": [
{ "name": "timestamp", "type": "number" }
]
},
{
"name": "frameAttached",
"description": "Fired when frame has been attached to its parent.",
"parameters": [
{ "name": "frameId", "$ref": "FrameId", "description": "Id of the frame that has been attached." },
{ "name": "parentFrameId", "$ref": "FrameId", "description": "Parent frame identifier." }
]
},
{
"name": "frameNavigated",
"description": "Fired once navigation of the frame has completed. Frame is now associated with the new loader.",
"parameters": [
{ "name": "frame", "$ref": "Frame", "description": "Frame object." }
]
},
{
"name": "frameDetached",
"description": "Fired when frame has been detached from its parent.",
"parameters": [
{ "name": "frameId", "$ref": "FrameId", "description": "Id of the frame that has been detached." }
]
},
{
"name": "frameStartedLoading",
"description": "Fired when frame has started loading.",
"parameters": [
{ "name": "frameId", "$ref": "FrameId", "description": "Id of the frame that has started loading." }
],
"hidden": true
},
{
"name": "frameStoppedLoading",
"description": "Fired when frame has stopped loading.",
"parameters": [
{ "name": "frameId", "$ref": "FrameId", "description": "Id of the frame that has stopped loading." }
],
"hidden": true
},
{
"name": "frameScheduledNavigation",
"description": "Fired when frame schedules a potential navigation.",
"parameters": [
{ "name": "frameId", "$ref": "FrameId", "description": "Id of the frame that has scheduled a navigation." },
{ "name": "delay", "type": "number", "description": "Delay (in seconds) until the navigation is scheduled to begin. The navigation is not guaranteed to start." }
],
"hidden": true
},
{
"name": "frameClearedScheduledNavigation",
"description": "Fired when frame no longer has a scheduled navigation.",
"parameters": [
{ "name": "frameId", "$ref": "FrameId", "description": "Id of the frame that has cleared its scheduled navigation." }
],
"hidden": true
},
{
"name": "frameResized",
"hidden": true
},
{
"name": "screencastFrame",
"description": "Compressed image data requested by the <code>startScreencast</code>.",
"parameters": [
{ "name": "data", "type": "string", "description": "Base64-encoded compressed image." },
{ "name": "metadata", "$ref": "ScreencastFrameMetadata", "description": "Screencast frame metadata."},
{ "name": "frameNumber", "type": "integer", "optional": true, "description": "Frame number."}
],
"hidden": true,
"handlers": ["browser"]
},
{
"name": "screencastVisibilityChanged",
"description": "Fired when the page with currently enabled screencast was shown or hidden </code>.",
"parameters": [
{ "name": "visible", "type": "boolean", "description": "True if the page is visible." }
],
"hidden": true,
"handlers": ["browser"]
}
]
},
{
"domain": "Runtime",
"description": "Runtime domain exposes JavaScript runtime by means of remote evaluation and mirror objects. Evaluation results are returned as mirror object that expose object type, string representation and unique identifier that can be used for further object reference. Original objects are maintained in memory unless they are either explicitly released or are released along with the other objects in their object group.",
"types": [
{
"id": "RemoteObjectId",
"type": "string",
"description": "Unique object identifier."
},
{
"id": "RemoteObject",
"type": "object",
"description": "Mirror object referencing original JavaScript object.",
"properties": [
{ "name": "type", "type": "string", "enum": ["object", "function", "undefined", "string", "number", "boolean", "symbol"], "description": "Object type." },
{ "name": "subtype", "type": "string", "optional": true, "enum": ["array", "null", "node", "regexp", "date", "map", "set", "iterator", "generator", "error"], "description": "Object subtype hint. Specified for <code>object</code> type values only." },
{ "name": "className", "type": "string", "optional": true, "description": "Object class (constructor) name. Specified for <code>object</code> type values only." },
{ "name": "value", "type": "any", "optional": true, "description": "Remote object value in case of primitive values or JSON values (if it was requested), or description string if the value can not be JSON-stringified (like NaN, Infinity, -Infinity, -0)." },
{ "name": "description", "type": "string", "optional": true, "description": "String representation of the object." },
{ "name": "objectId", "$ref": "RemoteObjectId", "optional": true, "description": "Unique object identifier (for non-primitive values)." },
{ "name": "preview", "$ref": "ObjectPreview", "optional": true, "description": "Preview containing abbreviated property values. Specified for <code>object</code> type values only.", "hidden": true },
{ "name": "customPreview", "$ref": "CustomPreview", "optional": true, "hidden": true}
]
},
{
"id": "EntryPreview",
"type": "object",
"hidden": true,
"properties": [
{ "name": "key", "$ref": "ObjectPreview", "optional": true, "description": "Preview of the key. Specified for map-like collection entries." },
{ "name": "value", "$ref": "ObjectPreview", "description": "Preview of the value." }
]
},
{
"id": "PropertyDescriptor",
"type": "object",
"description": "Object property descriptor.",
"properties": [
{ "name": "name", "type": "string", "description": "Property name or symbol description." },
{ "name": "value", "$ref": "RemoteObject", "optional": true, "description": "The value associated with the property." },
{ "name": "writable", "type": "boolean", "optional": true, "description": "True if the value associated with the property may be changed (data descriptors only)." },
{ "name": "get", "$ref": "RemoteObject", "optional": true, "description": "A function which serves as a getter for the property, or <code>undefined</code> if there is no getter (accessor descriptors only)." },
{ "name": "set", "$ref": "RemoteObject", "optional": true, "description": "A function which serves as a setter for the property, or <code>undefined</code> if there is no setter (accessor descriptors only)." },
{ "name": "configurable", "type": "boolean", "description": "True if the type of this property descriptor may be changed and if the property may be deleted from the corresponding object." },
{ "name": "enumerable", "type": "boolean", "description": "True if this property shows up during enumeration of the properties on the corresponding object." },
{ "name": "wasThrown", "type": "boolean", "optional": true, "description": "True if the result was thrown during the evaluation." },
{ "name": "isOwn", "optional": true, "type": "boolean", "description": "True if the property is owned for the object.", "hidden": true },
{ "name": "symbol", "$ref": "RemoteObject", "optional": true, "description": "Property symbol object, if the property is of the <code>symbol</code> type.", "hidden": true }
]
},
{
"id": "InternalPropertyDescriptor",
"type": "object",
"description": "Object internal property descriptor. This property isn't normally visible in JavaScript code.",
"properties": [
{ "name": "name", "type": "string", "description": "Conventional property name." },
{ "name": "value", "$ref": "RemoteObject", "optional": true, "description": "The value associated with the property." }
],
"hidden": true
},
{
"id": "CallArgument",
"type": "object",
"description": "Represents function call argument. Either remote object id <code>objectId</code> or primitive <code>value</code> or neither of (for undefined) them should be specified.",
"properties": [
{ "name": "value", "type": "any", "optional": true, "description": "Primitive value, or description string if the value can not be JSON-stringified (like NaN, Infinity, -Infinity, -0)." },
{ "name": "objectId", "$ref": "RemoteObjectId", "optional": true, "description": "Remote object handle." },
{ "name": "type", "optional": true, "hidden": true, "type": "string", "enum": ["object", "function", "undefined", "string", "number", "boolean", "symbol"], "description": "Object type." }
]
},
{
"id": "ExecutionContextId",
"type": "integer",
"description": "Id of an execution context."
},
{
"id": "ExecutionContextDescription",
"type": "object",
"description": "Description of an isolated world.",
"properties": [
{ "name": "id", "$ref": "ExecutionContextId", "description": "Unique id of the execution context. It can be used to specify in which execution context script evaluation should be performed." },
{ "name": "type", "type": "string", "optional": true, "description": "Context type. It is used e.g. to distinguish content scripts from web page script.", "hidden": true },
{ "name": "origin", "type": "string", "description": "Execution context origin.", "hidden": true},
{ "name": "name", "type": "string", "description": "Human readable name describing given context.", "hidden": true},
{ "name": "frameId", "type": "string", "description": "Id of the owning frame. May be an empty string if the context is not associated with a frame." }
]
}
],
"commands": [
{
"name": "evaluate",
"parameters": [
{ "name": "expression", "type": "string", "description": "Expression to evaluate." },
{ "name": "objectGroup", "type": "string", "optional": true, "description": "Symbolic group name that can be used to release multiple objects." },
{ "name": "includeCommandLineAPI", "type": "boolean", "optional": true, "description": "Determines whether Command Line API should be available during the evaluation.", "hidden": true },
{ "name": "doNotPauseOnExceptionsAndMuteConsole", "type": "boolean", "optional": true, "description": "Specifies whether evaluation should stop on exceptions and mute console. Overrides setPauseOnException state.", "hidden": true },
{ "name": "contextId", "$ref": "ExecutionContextId", "optional": true, "description": "Specifies in which isolated context to perform evaluation. Each content script lives in an isolated context and this parameter may be used to specify one of those contexts. If the parameter is omitted or 0 the evaluation will be performed in the context of the inspected page." },
{ "name": "returnByValue", "type": "boolean", "optional": true, "description": "Whether the result is expected to be a JSON object that should be sent by value." },
{ "name": "generatePreview", "type": "boolean", "optional": true, "hidden": true, "description": "Whether preview should be generated for the result." }
],
"returns": [
{ "name": "result", "$ref": "RemoteObject", "description": "Evaluation result." },
{ "name": "wasThrown", "type": "boolean", "optional": true, "description": "True if the result was thrown during the evaluation." },
{ "name": "exceptionDetails", "$ref": "Debugger.ExceptionDetails", "optional": true, "hidden": true, "description": "Exception details."}
],
"description": "Evaluates expression on global object."
},
{
"name": "callFunctionOn",
"parameters": [
{ "name": "objectId", "$ref": "RemoteObjectId", "description": "Identifier of the object to call function on." },
{ "name": "functionDeclaration", "type": "string", "description": "Declaration of the function to call." },
{ "name": "arguments", "type": "array", "items": { "$ref": "CallArgument", "description": "Call argument." }, "optional": true, "description": "Call arguments. All call arguments must belong to the same JavaScript world as the target object." },
{ "name": "doNotPauseOnExceptionsAndMuteConsole", "type": "boolean", "optional": true, "description": "Specifies whether function call should stop on exceptions and mute console. Overrides setPauseOnException state.", "hidden": true },
{ "name": "returnByValue", "type": "boolean", "optional": true, "description": "Whether the result is expected to be a JSON object which should be sent by value." },
{ "name": "generatePreview", "type": "boolean", "optional": true, "hidden": true, "description": "Whether preview should be generated for the result." }
],
"returns": [
{ "name": "result", "$ref": "RemoteObject", "description": "Call result." },
{ "name": "wasThrown", "type": "boolean", "optional": true, "description": "True if the result was thrown during the evaluation." }
],
"description": "Calls function with given declaration on the given object. Object group of the result is inherited from the target object."
},
{
"name": "getProperties",
"parameters": [
{ "name": "objectId", "$ref": "RemoteObjectId", "description": "Identifier of the object to return properties for." },
{ "name": "ownProperties", "optional": true, "type": "boolean", "description": "If true, returns properties belonging only to the element itself, not to its prototype chain." },
{ "name": "accessorPropertiesOnly", "optional": true, "type": "boolean", "description": "If true, returns accessor properties (with getter/setter) only; internal properties are not returned either.", "hidden": true },
{ "name": "generatePreview", "type": "boolean", "optional": true, "hidden": true, "description": "Whether preview should be generated for the results." }
],
"returns": [
{ "name": "result", "type": "array", "items": { "$ref": "PropertyDescriptor" }, "description": "Object properties." },
{ "name": "internalProperties", "optional": true, "type": "array", "items": { "$ref": "InternalPropertyDescriptor" }, "description": "Internal object properties (only of the element itself).", "hidden": true },
{ "name": "exceptionDetails", "$ref": "Debugger.ExceptionDetails", "optional": true, "hidden": true, "description": "Exception details."}
],
"description": "Returns properties of a given object. Object group of the result is inherited from the target object."
},
{
"name": "run",
"hidden": true,
"description": "Tells inspected instance(worker or page) that it can run in case it was started paused."
},
{
"name": "enable",
"description": "Enables reporting of execution contexts creation by means of <code>executionContextCreated</code> event. When the reporting gets enabled the event will be sent immediately for each existing execution context."
},
{
"name": "disable",
"hidden": true,
"description": "Disables reporting of execution contexts creation."
}
],
"events": [
{
"name": "executionContextCreated",
"parameters": [
{ "name": "context", "$ref": "ExecutionContextDescription", "description": "A newly created execution contex." }
],
"description": "Issued when new execution context is created."
},
{
"name": "executionContextDestroyed",
"parameters": [
{ "name": "executionContextId", "$ref": "ExecutionContextId", "description": "Id of the destroyed context" }
],
"description": "Issued when execution context is destroyed."
},
{
"name": "executionContextsCleared",
"description": "Issued when all executionContexts were cleared in browser"
}
]
},
{
"domain": "DOM",
"description": "This domain exposes DOM read/write operations. Each DOM Node is represented with its mirror object that has an <code>id</code>. This <code>id</code> can be used to get additional information on the Node, resolve it into the JavaScript object wrapper, etc. It is important that client receives DOM events only for the nodes that are known to the client. Backend keeps track of the nodes that were sent to the client and never sends the same node twice. It is client's responsibility to collect information about the nodes that were sent to the client.<p>Note that <code>iframe</code> owner elements will return corresponding document elements as their child nodes.</p>",
"types": [
{
"id": "NodeId",
"type": "integer",
"description": "Unique DOM node identifier."
},
{
"id": "BackendNodeId",
"type": "integer",
"description": "Unique DOM node identifier used to reference a node that may not have been pushed to the front-end.",
"hidden": true
},
{
"id": "BackendNode",
"type": "object",
"properties": [
{ "name": "nodeType", "type": "integer", "description": "<code>Node</code>'s nodeType." },
{ "name": "nodeName", "type": "string", "description": "<code>Node</code>'s nodeName." },
{ "name": "backendNodeId", "$ref": "BackendNodeId" }
],
"hidden": true,
"description": "Backend node with a friendly name."
},
{
"id": "PseudoType",
"type": "string",
"enum": [
"first-line",
"first-letter",
"before",
"after",
"backdrop",
"selection",
"first-line-inherited",
"scrollbar",
"scrollbar-thumb",
"scrollbar-button",
"scrollbar-track",
"scrollbar-track-piece",
"scrollbar-corner",
"resizer",
"input-list-button"
],
"description": "Pseudo element type."
},
{
"id": "ShadowRootType",
"type": "string",
"enum": ["user-agent", "open", "closed"],
"description": "Shadow root type."
},
{
"id": "Node",
"type": "object",
"properties": [
{ "name": "nodeId", "$ref": "NodeId", "description": "Node identifier that is passed into the rest of the DOM messages as the <code>nodeId</code>. Backend will only push node with given <code>id</code> once. It is aware of all requested nodes and will only fire DOM events for nodes known to the client." },
{ "name": "nodeType", "type": "integer", "description": "<code>Node</code>'s nodeType." },
{ "name": "nodeName", "type": "string", "description": "<code>Node</code>'s nodeName." },
{ "name": "localName", "type": "string", "description": "<code>Node</code>'s localName." },
{ "name": "nodeValue", "type": "string", "description": "<code>Node</code>'s nodeValue." },
{ "name": "childNodeCount", "type": "integer", "optional": true, "description": "Child count for <code>Container</code> nodes." },
{ "name": "children", "type": "array", "optional": true, "items": { "$ref": "Node" }, "description": "Child nodes of this node when requested with children." },
{ "name": "attributes", "type": "array", "optional": true, "items": { "type": "string" }, "description": "Attributes of the <code>Element</code> node in the form of flat array <code>[name1, value1, name2, value2]</code>." },
{ "name": "documentURL", "type": "string", "optional": true, "description": "Document URL that <code>Document</code> or <code>FrameOwner</code> node points to." },
{ "name": "baseURL", "type": "string", "optional": true, "description": "Base URL that <code>Document</code> or <code>FrameOwner</code> node uses for URL completion.", "hidden": true },
{ "name": "publicId", "type": "string", "optional": true, "description": "<code>DocumentType</code>'s publicId." },
{ "name": "systemId", "type": "string", "optional": true, "description": "<code>DocumentType</code>'s systemId." },
{ "name": "internalSubset", "type": "string", "optional": true, "description": "<code>DocumentType</code>'s internalSubset." },
{ "name": "xmlVersion", "type": "string", "optional": true, "description": "<code>Document</code>'s XML version in case of XML documents." },
{ "name": "name", "type": "string", "optional": true, "description": "<code>Attr</code>'s name." },
{ "name": "value", "type": "string", "optional": true, "description": "<code>Attr</code>'s value." },
{ "name": "pseudoType", "$ref": "PseudoType", "optional": true, "description": "Pseudo element type for this node." },
{ "name": "shadowRootType", "$ref": "ShadowRootType", "optional": true, "description": "Shadow root type." },
{ "name": "frameId", "$ref": "Page.FrameId", "optional": true, "description": "Frame ID for frame owner elements.", "hidden": true },
{ "name": "contentDocument", "$ref": "Node", "optional": true, "description": "Content document for frame owner elements." },
{ "name": "shadowRoots", "type": "array", "optional": true, "items": { "$ref": "Node" }, "description": "Shadow root list for given element host.", "hidden": true },
{ "name": "templateContent", "$ref": "Node", "optional": true, "description": "Content document fragment for template elements.", "hidden": true },
{ "name": "pseudoElements", "type": "array", "items": { "$ref": "Node" }, "optional": true, "description": "Pseudo elements associated with this node.", "hidden": true },
{ "name": "importedDocument", "$ref": "Node", "optional": true, "description": "Import document for the HTMLImport links." },
{ "name": "distributedNodes", "type": "array", "items": { "$ref": "BackendNode" }, "optional": true, "description": "Distributed nodes for given insertion point.", "hidden": true }
],
"description": "DOM interaction is implemented in terms of mirror objects that represent the actual DOM nodes. DOMNode is a base node mirror type."
},
{
"id": "RGBA",
"type": "object",
"properties": [
{ "name": "r", "type": "integer", "description": "The red component, in the [0-255] range." },
{ "name": "g", "type": "integer", "description": "The green component, in the [0-255] range." },
{ "name": "b", "type": "integer", "description": "The blue component, in the [0-255] range." },
{ "name": "a", "type": "number", "optional": true, "description": "The alpha component, in the [0-1] range (default: 1)." }
],
"description": "A structure holding an RGBA color."
},
{
"id": "Quad",
"type": "array",
"items": { "type": "number" },
"minItems": 8,
"maxItems": 8,
"description": "An array of quad vertices, x immediately followed by y for each point, points clock-wise.",
"hidden": true
},
{
"id": "BoxModel",
"type": "object",
"hidden": true,
"properties": [
{ "name": "content", "$ref": "Quad", "description": "Content box" },
{ "name": "padding", "$ref": "Quad", "description": "Padding box" },
{ "name": "border", "$ref": "Quad", "description": "Border box" },
{ "name": "margin", "$ref": "Quad", "description": "Margin box" },
{ "name": "width", "type": "integer", "description": "Node width" },
{ "name": "height", "type": "integer", "description": "Node height" },
{ "name": "shapeOutside", "$ref": "ShapeOutsideInfo", "optional": true, "description": "Shape outside coordinates" }
],
"description": "Box model."
},
{
"id": "ShapeOutsideInfo",
"type": "object",
"hidden": true,
"properties": [
{ "name": "bounds", "$ref": "Quad", "description": "Shape bounds" },
{ "name": "shape", "type": "array", "items": { "type": "any"}, "description": "Shape coordinate details" },
{ "name": "marginShape", "type": "array", "items": { "type": "any"}, "description": "Margin shape bounds" }
],
"description": "CSS Shape Outside details."
},
{
"id": "Rect",
"type": "object",
"hidden": true,
"properties": [
{ "name": "x", "type": "number", "description": "X coordinate" },
{ "name": "y", "type": "number", "description": "Y coordinate" },
{ "name": "width", "type": "number", "description": "Rectangle width" },
{ "name": "height", "type": "number", "description": "Rectangle height" }
],
"description": "Rectangle."
},
{
"id": "HighlightConfig",
"type": "object",
"properties": [
{ "name": "showInfo", "type": "boolean", "optional": true, "description": "Whether the node info tooltip should be shown (default: false)." },
{ "name": "showRulers", "type": "boolean", "optional": true, "description": "Whether the rulers should be shown (default: false)." },
{ "name": "showExtensionLines", "type": "boolean", "optional": true, "description": "Whether the extension lines from node to the rulers should be shown (default: false)." },
{ "name": "displayAsMaterial", "type": "boolean", "optional": true, "hidden": true},
{ "name": "contentColor", "$ref": "RGBA", "optional": true, "description": "The content box highlight fill color (default: transparent)." },
{ "name": "paddingColor", "$ref": "RGBA", "optional": true, "description": "The padding highlight fill color (default: transparent)." },
{ "name": "borderColor", "$ref": "RGBA", "optional": true, "description": "The border highlight fill color (default: transparent)." },
{ "name": "marginColor", "$ref": "RGBA", "optional": true, "description": "The margin highlight fill color (default: transparent)." },
{ "name": "eventTargetColor", "$ref": "RGBA", "optional": true, "hidden": true, "description": "The event target element highlight fill color (default: transparent)." },
{ "name": "shapeColor", "$ref": "RGBA", "optional": true, "hidden": true, "description": "The shape outside fill color (default: transparent)." },
{ "name": "shapeMarginColor", "$ref": "RGBA", "optional": true, "hidden": true, "description": "The shape margin fill color (default: transparent)." }
],
"description": "Configuration data for the highlighting of page elements."
},
{
"id": "InspectMode",
"type": "string",
"hidden": true,
"enum": [
"searchForNode",
"searchForUAShadowDOM",
"showLayoutEditor",
"none"
]
}
],
"commands": [
{
"name": "enable",
"description": "Enables DOM agent for the given page."
},
{
"name": "disable",
"description": "Disables DOM agent for the given page."
},
{
"name": "getDocument",
"returns": [
{ "name": "root", "$ref": "Node", "description": "Resulting node." }
],
"description": "Returns the root DOM node to the caller."
},
{
"name": "requestChildNodes",
"parameters": [
{ "name": "nodeId", "$ref": "NodeId", "description": "Id of the node to get children for." },
{ "name": "depth", "type": "integer", "optional": true, "description": "The maximum depth at which children should be retrieved, defaults to 1. Use -1 for the entire subtree or provide an integer larger than 0.", "hidden": true }
],
"description": "Requests that children of the node with given id are returned to the caller in form of <code>setChildNodes</code> events where not only immediate children are retrieved, but all children down to the specified depth."
},
{
"name": "highlightNode",
"parameters": [
{ "name": "highlightConfig", "$ref": "HighlightConfig", "description": "A descriptor for the highlight appearance." },
{ "name": "nodeId", "$ref": "NodeId", "optional": true, "description": "Identifier of the node to highlight." },
{ "name": "backendNodeId", "$ref": "BackendNodeId", "optional": true, "description": "Identifier of the backend node to highlight." },
{ "name": "objectId", "$ref": "Runtime.RemoteObjectId", "optional": true, "description": "JavaScript object id of the node to be highlighted.", "hidden": true }
],
"description": "Highlights DOM node with given id or with the given JavaScript object wrapper. Either nodeId or objectId must be specified."
},
{
"name": "hideHighlight",
"description": "Hides DOM node highlight."
},
{
"name": "pushNodeByPathToFrontend",
"parameters": [
{ "name": "path", "type": "string", "description": "Path to node in the proprietary format." }
],
"returns": [
{ "name": "nodeId", "$ref": "NodeId", "description": "Id of the node for given path." }
],
"description": "Requests that the node is sent to the caller given its path. // FIXME, use XPath",
"hidden": true
},
{
"name": "pushNodesByBackendIdsToFrontend",
"parameters": [
{ "name": "backendNodeIds", "type": "array", "items": {"$ref": "BackendNodeId"}, "description": "The array of backend node ids." }
],
"returns": [
{ "name": "nodeIds", "type": "array", "items": {"$ref": "NodeId"}, "description": "The array of ids of pushed nodes that correspond to the backend ids specified in backendNodeIds." }
],
"description": "Requests that a batch of nodes is sent to the caller given their backend node ids.",
"hidden": true
},
{
"name": "getAttributes",
"parameters": [
{ "name": "nodeId", "$ref": "NodeId", "description": "Id of the node to retrieve attibutes for." }
],
"returns": [
{ "name": "attributes", "type": "array", "items": { "type": "string" }, "description": "An interleaved array of node attribute names and values." }
],
"description": "Returns attributes for the specified node."
}
],
"events": [
{
"name": "documentUpdated",
"description": "Fired when <code>Document</code> has been totally updated. Node ids are no longer valid."
},
{
"name": "inspectNodeRequested",
"parameters": [
{ "name": "backendNodeId", "$ref": "BackendNodeId", "description": "Id of the node to inspect." }
],
"description": "Fired when the node should be inspected. This happens after call to <code>setInspectMode</code>.",
"hidden" : true
},
{
"name": "setChildNodes",
"parameters": [
{ "name": "parentId", "$ref": "NodeId", "description": "Parent node id to populate with children." },
{ "name": "nodes", "type": "array", "items": { "$ref": "Node" }, "description": "Child nodes array." }
],
"description": "Fired when backend wants to provide client with the missing DOM structure. This happens upon most of the calls requesting node ids."
},
{
"name": "attributeModified",
"parameters": [
{ "name": "nodeId", "$ref": "NodeId", "description": "Id of the node that has changed." },
{ "name": "name", "type": "string", "description": "Attribute name." },
{ "name": "value", "type": "string", "description": "Attribute value." }
],
"description": "Fired when <code>Element</code>'s attribute is modified."
},
{
"name": "attributeRemoved",
"parameters": [
{ "name": "nodeId", "$ref": "NodeId", "description": "Id of the node that has changed." },
{ "name": "name", "type": "string", "description": "A ttribute name." }
],
"description": "Fired when <code>Element</code>'s attribute is removed."
},
{
"name": "inlineStyleInvalidated",
"parameters": [
{ "name": "nodeIds", "type": "array", "items": { "$ref": "NodeId" }, "description": "Ids of the nodes for which the inline styles have been invalidated." }
],
"description": "Fired when <code>Element</code>'s inline style is modified via a CSS property modification.",
"hidden": true
},
{
"name": "characterDataModified",
"parameters": [
{ "name": "nodeId", "$ref": "NodeId", "description": "Id of the node that has changed." },
{ "name": "characterData", "type": "string", "description": "New text value." }
],
"description": "Mirrors <code>DOMCharacterDataModified</code> event."
},
{
"name": "childNodeCountUpdated",
"parameters": [
{ "name": "nodeId", "$ref": "NodeId", "description": "Id of the node that has changed." },
{ "name": "childNodeCount", "type": "integer", "description": "New node count." }
],
"description": "Fired when <code>Container</code>'s child node count has changed."
},
{
"name": "childNodeInserted",
"parameters": [
{ "name": "parentNodeId", "$ref": "NodeId", "description": "Id of the node that has changed." },
{ "name": "previousNodeId", "$ref": "NodeId", "description": "If of the previous siblint." },
{ "name": "node", "$ref": "Node", "description": "Inserted node data." }
],
"description": "Mirrors <code>DOMNodeInserted</code> event."
},
{
"name": "childNodeRemoved",
"parameters": [
{ "name": "parentNodeId", "$ref": "NodeId", "description": "Parent id." },
{ "name": "nodeId", "$ref": "NodeId", "description": "Id of the node that has been removed." }
],
"description": "Mirrors <code>DOMNodeRemoved</code> event."
},
{
"name": "shadowRootPushed",
"parameters": [
{ "name": "hostId", "$ref": "NodeId", "description": "Host element id." },
{ "name": "root", "$ref": "Node", "description": "Shadow root." }
],
"description": "Called when shadow root is pushed into the element.",
"hidden": true
},
{
"name": "shadowRootPopped",
"parameters": [
{ "name": "hostId", "$ref": "NodeId", "description": "Host element id." },
{ "name": "rootId", "$ref": "NodeId", "description": "Shadow root id." }
],
"description": "Called when shadow root is popped from the element.",
"hidden": true
},
{
"name": "pseudoElementAdded",
"parameters": [
{ "name": "parentId", "$ref": "NodeId", "description": "Pseudo element's parent element id." },
{ "name": "pseudoElement", "$ref": "Node", "description": "The added pseudo element." }
],
"description": "Called when a pseudo element is added to an element.",
"hidden": true
},
{
"name": "pseudoElementRemoved",
"parameters": [
{ "name": "parentId", "$ref": "NodeId", "description": "Pseudo element's parent element id." },
{ "name": "pseudoElementId", "$ref": "NodeId", "description": "The removed pseudo element id." }
],
"description": "Called when a pseudo element is removed from an element.",
"hidden": true
},
{
"name": "distributedNodesUpdated",
"parameters": [
{ "name": "insertionPointId", "$ref": "NodeId", "description": "Insertion point where distrubuted nodes were updated." },
{ "name": "distributedNodes", "type": "array", "items": { "$ref": "BackendNode" }, "description": "Distributed nodes for given insertion point." }
],
"description": "Called when distrubution is changed.",
"hidden": true
}
]
},
{
"domain": "CSS",
"hidden": true,
"description": "This domain exposes CSS read/write operations. All CSS objects (stylesheets, rules, and styles) have an associated <code>id</code> used in subsequent operations on the related object. Each object type has a specific <code>id</code> structure, and those are not interchangeable between objects of different kinds. CSS objects can be loaded using the <code>get*ForNode()</code> calls (which accept a DOM node id). A client can also discover all the existing stylesheets with the <code>getAllStyleSheets()</code> method (or keeping track of the <code>styleSheetAdded</code>/<code>styleSheetRemoved</code> events) and subsequently load the required stylesheet contents using the <code>getStyleSheet[Text]()</code> methods.",
"types": [
{
"id": "StyleSheetId",
"type": "string"
},
{
"id": "StyleSheetOrigin",
"type": "string",
"enum": ["injected", "user-agent", "inspector", "regular"],
"description": "Stylesheet type: \"injected\" for stylesheets injected via extension, \"user-agent\" for user-agent stylesheets, \"inspector\" for stylesheets created by the inspector (i.e. those holding the \"via inspector\" rules), \"regular\" for regular stylesheets."
},
{
"id": "PseudoIdMatches",
"type": "object",
"properties": [
{ "name": "pseudoId", "type": "integer", "description": "Pseudo style identifier (see <code>enum PseudoId</code> in <code>ComputedStyleConstants.h</code>)."},
{ "name": "matches", "type": "array", "items": { "$ref": "RuleMatch" }, "description": "Matches of CSS rules applicable to the pseudo style."}
],
"description": "CSS rule collection for a single pseudo style."
},
{
"id": "InheritedStyleEntry",
"type": "object",
"properties": [
{ "name": "inlineStyle", "$ref": "CSSStyle", "optional": true, "description": "The ancestor node's inline style, if any, in the style inheritance chain." },
{ "name": "matchedCSSRules", "type": "array", "items": { "$ref": "RuleMatch" }, "description": "Matches of CSS rules matching the ancestor node in the style inheritance chain." }
],
"description": "Inherited CSS rule collection from ancestor node."
},
{
"id": "RuleMatch",
"type": "object",
"properties": [
{ "name": "rule", "$ref": "CSSRule", "description": "CSS rule in the match." },
{ "name": "matchingSelectors", "type": "array", "items": { "type": "integer" }, "description": "Matching selector indices in the rule's selectorList selectors (0-based)." }
],
"description": "Match data for a CSS rule."
},
{
"id": "Selector",
"type": "object",
"properties": [
{ "name": "value", "type": "string", "description": "Selector text." },
{ "name": "range", "$ref": "SourceRange", "optional": true, "description": "Selector range in the underlying resource (if available)." }
],
"description": "Data for a simple selector (these are delimited by commas in a selector list)."
},
{
"id": "SelectorList",
"type": "object",
"properties": [
{ "name": "selectors", "type": "array", "items": { "$ref": "Selector" }, "description": "Selectors in the list." },
{ "name": "text", "type": "string", "description": "Rule selector text." }
],
"description": "Selector list data."
},
{
"id": "CSSStyleSheetHeader",
"type": "object",
"properties": [
{ "name": "styleSheetId", "$ref": "StyleSheetId", "description": "The stylesheet identifier."},
{ "name": "frameId", "$ref": "Page.FrameId", "description": "Owner frame identifier."},
{ "name": "sourceURL", "type": "string", "description": "Stylesheet resource URL."},
{ "name": "sourceMapURL", "type": "string", "optional": true, "description": "URL of source map associated with the stylesheet (if any)." },
{ "name": "origin", "$ref": "StyleSheetOrigin", "description": "Stylesheet origin."},
{ "name": "title", "type": "string", "description": "Stylesheet title."},
{ "name": "ownerNode", "$ref": "DOM.BackendNodeId", "optional": true, "description": "The backend id for the owner node of the stylesheet." },
{ "name": "disabled", "type": "boolean", "description": "Denotes whether the stylesheet is disabled."},
{ "name": "hasSourceURL", "type": "boolean", "optional": true, "description": "Whether the sourceURL field value comes from the sourceURL comment." },
{ "name": "isInline", "type": "boolean", "description": "Whether this stylesheet is created for STYLE tag by parser. This flag is not set for document.written STYLE tags." },
{ "name": "startLine", "type": "number", "description": "Line offset of the stylesheet within the resource (zero based)." },
{ "name": "startColumn", "type": "number", "description": "Column offset of the stylesheet within the resource (zero based)." }
],
"description": "CSS stylesheet metainformation."
},
{
"id": "CSSRule",
"type": "object",
"properties": [
{ "name": "styleSheetId", "$ref": "StyleSheetId", "optional": true, "description": "The css style sheet identifier (absent for user agent stylesheet and user-specified stylesheet rules) this rule came from." },
{ "name": "selectorList", "$ref": "SelectorList", "description": "Rule selector data." },
{ "name": "origin", "$ref": "StyleSheetOrigin", "description": "Parent stylesheet's origin."},
{ "name": "style", "$ref": "CSSStyle", "description": "Associated style declaration." },
{ "name": "media", "type": "array", "items": { "$ref": "CSSMedia" }, "optional": true, "description": "Media list array (for rules involving media queries). The array enumerates media queries starting with the innermost one, going outwards." }
],
"description": "CSS rule representation."
},
{
"id": "SourceRange",
"type": "object",
"properties": [
{ "name": "startLine", "type": "integer", "description": "Start line of range." },
{ "name": "startColumn", "type": "integer", "description": "Start column of range (inclusive)." },
{ "name": "endLine", "type": "integer", "description": "End line of range" },
{ "name": "endColumn", "type": "integer", "description": "End column of range (exclusive)." }
],
"description": "Text range within a resource. All numbers are zero-based."
},
{
"id": "ShorthandEntry",
"type": "object",
"properties": [
{ "name": "name", "type": "string", "description": "Shorthand name." },
{ "name": "value", "type": "string", "description": "Shorthand value." },
{ "name": "important", "type": "boolean", "optional": true, "description": "Whether the property has \"!important\" annotation (implies <code>false</code> if absent)." }
]
},
{
"id": "CSSComputedStyleProperty",
"type": "object",
"properties": [
{ "name": "name", "type": "string", "description": "Computed style property name." },
{ "name": "value", "type": "string", "description": "Computed style property value." }
]
},
{
"id": "CSSStyle",
"type": "object",
"properties": [
{ "name": "styleSheetId", "$ref": "StyleSheetId", "optional": true, "description": "The css style sheet identifier (absent for user agent stylesheet and user-specified stylesheet rules) this rule came from." },
{ "name": "cssProperties", "type": "array", "items": { "$ref": "CSSProperty" }, "description": "CSS properties in the style." },
{ "name": "shorthandEntries", "type": "array", "items": { "$ref": "ShorthandEntry" }, "description": "Computed values for all shorthands found in the style." },
{ "name": "cssText", "type": "string", "optional": true, "description": "Style declaration text (if available)." },
{ "name": "range", "$ref": "SourceRange", "optional": true, "description": "Style declaration range in the enclosing stylesheet (if available)." }
],
"description": "CSS style representation."
},
{
"id": "CSSProperty",
"type": "object",
"properties": [
{ "name": "name", "type": "string", "description": "The property name." },
{ "name": "value", "type": "string", "description": "The property value." },
{ "name": "important", "type": "boolean", "optional": true, "description": "Whether the property has \"!important\" annotation (implies <code>false</code> if absent)." },
{ "name": "implicit", "type": "boolean", "optional": true, "description": "Whether the property is implicit (implies <code>false</code> if absent)." },
{ "name": "text", "type": "string", "optional": true, "description": "The full property text as specified in the style." },
{ "name": "parsedOk", "type": "boolean", "optional": true, "description": "Whether the property is understood by the browser (implies <code>true</code> if absent)." },
{ "name": "disabled", "type": "boolean", "optional": true, "description": "Whether the property is disabled by the user (present for source-based properties only)." },
{ "name": "range", "$ref": "SourceRange", "optional": true, "description": "The entire property range in the enclosing style declaration (if available)." }
],
"description": "CSS property declaration data."
},
{
"id": "CSSMedia",
"type": "object",
"properties": [
{ "name": "text", "type": "string", "description": "Media query text." },
{ "name": "source", "type": "string", "enum": ["mediaRule", "importRule", "linkedSheet", "inlineSheet"], "description": "Source of the media query: \"mediaRule\" if specified by a @media rule, \"importRule\" if specified by an @import rule, \"linkedSheet\" if specified by a \"media\" attribute in a linked stylesheet's LINK tag, \"inlineSheet\" if specified by a \"media\" attribute in an inline stylesheet's STYLE tag." },
{ "name": "sourceURL", "type": "string", "optional": true, "description": "URL of the document containing the media query description." },
{ "name": "range", "$ref": "SourceRange", "optional": true, "description": "The associated rule (@media or @import) header range in the enclosing stylesheet (if available)." },
{ "name": "parentStyleSheetId", "$ref": "StyleSheetId", "optional": true, "description": "Identifier of the stylesheet containing this object (if exists)." },
{ "name": "mediaList", "type": "array", "items": { "$ref": "MediaQuery" }, "optional": true, "hidden": true, "description": "Array of media queries." }
],
"description": "CSS media rule descriptor."
},
{
"id": "MediaQuery",
"type": "object",
"properties": [
{ "name": "expressions", "type": "array", "items": { "$ref": "MediaQueryExpression" }, "description": "Array of media query expressions." },
{ "name": "active", "type": "boolean", "description": "Whether the media query condition is satisfied." }
],
"description": "Media query descriptor.",
"hidden": true
},
{
"id": "MediaQueryExpression",
"type": "object",
"properties": [
{ "name": "value", "type": "number", "description": "Media query expression value."},
{ "name": "unit", "type": "string", "description": "Media query expression units."},
{ "name": "feature", "type": "string", "description": "Media query expression feature."},
{ "name": "valueRange", "$ref": "SourceRange", "optional": true, "description": "The associated range of the value text in the enclosing stylesheet (if available)." },
{ "name": "computedLength", "type": "number", "optional": true, "description": "Computed length of media query expression (if applicable)."}
],
"description": "Media query expression descriptor.",
"hidden": true
},
{
"id": "PlatformFontUsage",