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[
{
"namespace": "devtools.panels",
"allowedContexts": ["devtools", "devtools_only"],
"defaultContexts": ["devtools", "devtools_only"],
"description": "Use the <code>chrome.devtools.panels</code> API to integrate your extension into Developer Tools window UI: create your own panels, access existing panels, and add sidebars.",
"nocompile": true,
"types": [
{
"id": "ElementsPanel",
"type": "object",
"description": "Represents the Elements panel.",
"events": [
{
"name": "onSelectionChanged",
"type": "function",
"description": "Fired when an object is selected in the panel."
}
],
"functions": [
{
"name": "createSidebarPane",
"async": "callback",
"type": "function",
"description": "Creates a pane within panel's sidebar.",
"parameters": [
{
"name": "title",
"type": "string",
"description": "Text that is displayed in sidebar caption."
},
{
"name": "callback",
"type": "function",
"description": "A callback invoked when the sidebar is created.",
"optional": true,
"parameters": [
{
"name": "result",
"description": "An ExtensionSidebarPane object for created sidebar pane.",
"$ref": "ExtensionSidebarPane"
}
]
}
]
}
]
},
{
"id": "SourcesPanel",
"type": "object",
"description": "Represents the Sources panel.",
"events": [
{
"name": "onSelectionChanged",
"unsupported": true,
"description": "Fired when an object is selected in the panel."
}
],
"functions": [
{
"name": "createSidebarPane",
"unsupported": true,
"type": "function",
"description": "Creates a pane within panel's sidebar.",
"parameters": [
{
"name": "title",
"type": "string",
"description": "Text that is displayed in sidebar caption."
},
{
"name": "callback",
"type": "function",
"description": "A callback invoked when the sidebar is created.",
"optional": true,
"parameters": [
{
"name": "result",
"description": "An ExtensionSidebarPane object for created sidebar pane.",
"$ref": "ExtensionSidebarPane"
}
]
}
]
}
]
},
{
"id": "ExtensionPanel",
"type": "object",
"description": "Represents a panel created by extension.",
"functions": [
{
"name": "createStatusBarButton",
"unsupported": true,
"description": "Appends a button to the status bar of the panel.",
"type": "function",
"parameters": [
{
"name": "iconPath",
"type": "string",
"description": "Path to the icon of the button. The file should contain a 64x24-pixel image composed of two 32x24 icons. The left icon is used when the button is inactive; the right icon is displayed when the button is pressed."
},
{
"name": "tooltipText",
"type": "string",
"description": "Text shown as a tooltip when user hovers the mouse over the button."
},
{
"name": "disabled",
"type": "boolean",
"description": "Whether the button is disabled."
}
],
"returns": { "$ref": "Button" }
}
],
"events": [
{
"name": "onSearch",
"unsupported": true,
"description": "Fired upon a search action (start of a new search, search result navigation, or search being canceled).",
"parameters": [
{
"name": "action",
"type": "string",
"description": "Type of search action being performed."
},
{
"name": "queryString",
"type": "string",
"optional": true,
"description": "Query string (only for 'performSearch')."
}
]
},
{
"name": "onShown",
"type": "function",
"description": "Fired when the user switches to the panel.",
"parameters": [
{
"name": "window",
"type": "object",
"isInstanceOf": "global",
"additionalProperties": { "type": "any" },
"description": "The JavaScript <code>window</code> object of panel's page."
}
]
},
{
"name": "onHidden",
"type": "function",
"description": "Fired when the user switches away from the panel."
}
]
},
{
"id": "ExtensionSidebarPane",
"type": "object",
"description": "A sidebar created by the extension.",
"functions": [
{
"name": "setHeight",
"unsupported": true,
"type": "function",
"description": "Sets the height of the sidebar.",
"parameters": [
{
"name": "height",
"type": "string",
"description": "A CSS-like size specification, such as <code>'100px'</code> or <code>'12ex'</code>."
}
]
},
{
"name": "setExpression",
"async": "callback",
"type": "function",
"description": "Sets an expression that is evaluated within the inspected page. The result is displayed in the sidebar pane.",
"parameters": [
{
"name": "expression",
"type": "string",
"description": "An expression to be evaluated in context of the inspected page. JavaScript objects and DOM nodes are displayed in an expandable tree similar to the console/watch."
},
{
"name": "rootTitle",
"type": "string",
"optional": true,
"description": "An optional title for the root of the expression tree."
},
{
"name": "callback",
"type": "function",
"optional": true,
"description": "A callback invoked after the sidebar pane is updated with the expression evaluation results."
}
]
},
{
"name": "setObject",
"async": "callback",
"type": "function",
"description": "Sets a JSON-compliant object to be displayed in the sidebar pane.",
"parameters": [
{
"name": "jsonObject",
"type": "string",
"description": "An object to be displayed in context of the inspected page. Evaluated in the context of the caller (API client)."
},
{
"name": "rootTitle",
"type": "string",
"optional": true,
"description": "An optional title for the root of the expression tree."
},
{
"name": "callback",
"type": "function",
"optional": true,
"description": "A callback invoked after the sidebar is updated with the object."
}
]
},
{
"name": "setPage",
"type": "function",
"async": true,
"description": "Sets an HTML page to be displayed in the sidebar pane.",
"parameters": [
{
"name": "path",
"$ref": "manifest.ExtensionURL",
"description": "Relative path of an extension page to display within the sidebar."
}
]
}
],
"events": [
{
"name": "onShown",
"type": "function",
"description": "Fired when the sidebar pane becomes visible as a result of user switching to the panel that hosts it.",
"parameters": [
{
"name": "window",
"type": "object",
"isInstanceOf": "global",
"additionalProperties": { "type": "any" },
"description": "The JavaScript <code>window</code> object of the sidebar page, if one was set with the <code>setPage()</code> method."
}
]
},
{
"name": "onHidden",
"type": "function",
"description": "Fired when the sidebar pane becomes hidden as a result of the user switching away from the panel that hosts the sidebar pane."
}
]
},
{
"id": "Button",
"type": "object",
"description": "A button created by the extension.",
"functions": [
{
"name": "update",
"unsupported": true,
"type": "function",
"description": "Updates the attributes of the button. If some of the arguments are omitted or <code>null</code>, the corresponding attributes are not updated.",
"parameters": [
{
"name": "iconPath",
"type": "string",
"optional": true,
"description": "Path to the new icon of the button."
},
{
"name": "tooltipText",
"type": "string",
"optional": true,
"description": "Text shown as a tooltip when user hovers the mouse over the button."
},
{
"name": "disabled",
"type": "boolean",
"optional": true,
"description": "Whether the button is disabled."
}
]
}
],
"events": [
{
"name": "onClicked",
"unsupported": true,
"type": "function",
"description": "Fired when the button is clicked."
}
]
}
],
"properties": {
"elements": {
"$ref": "ElementsPanel",
"description": "Elements panel."
},
"sources": {
"$ref": "SourcesPanel",
"description": "Sources panel."
},
"themeName": {
"type": "string",
"description": "The name of the current devtools theme."
}
},
"functions": [
{
"name": "create",
"type": "function",
"description": "Creates an extension panel.",
"async": "callback",
"parameters": [
{
"name": "title",
"type": "string",
"description": "Title that is displayed next to the extension icon in the Developer Tools toolbar."
},
{
"name": "iconPath",
"description": "Path of the panel's icon relative to the extension directory, or an empty string to use the default extension icon as the panel icon.",
"choices": [
{ "type": "string", "enum": [""] },
{ "$ref": "manifest.ExtensionURL" }
]
},
{
"name": "pagePath",
"$ref": "manifest.ExtensionURL",
"description": "Path of the panel's HTML page relative to the extension directory."
},
{
"name": "callback",
"type": "function",
"optional": true,
"description": "A function that is called when the panel is created.",
"parameters": [
{
"name": "panel",
"description": "An ExtensionPanel object representing the created panel.",
"$ref": "ExtensionPanel"
}
]
}
]
},
{
"name": "setOpenResourceHandler",
"unsupported": true,
"type": "function",
"description": "Specifies the function to be called when the user clicks a resource link in the Developer Tools window. To unset the handler, either call the method with no parameters or pass null as the parameter.",
"async": "callback",
"parameters": [
{
"name": "callback",
"type": "function",
"optional": true,
"description": "A function that is called when the user clicks on a valid resource link in Developer Tools window. Note that if the user clicks an invalid URL or an XHR, this function is not called.",
"parameters": [
{
"name": "resource",
"$ref": "devtools.inspectedWindow.Resource",
"description": "A $(ref:devtools.inspectedWindow.Resource) object for the resource that was clicked."
}
]
}
]
},
{
"name": "openResource",
"unsupported": true,
"type": "function",
"description": "Requests DevTools to open a URL in a Developer Tools panel.",
"async": "callback",
"parameters": [
{
"name": "url",
"type": "string",
"description": "The URL of the resource to open."
},
{
"name": "lineNumber",
"type": "integer",
"description": "Specifies the line number to scroll to when the resource is loaded."
},
{
"name": "callback",
"type": "function",
"optional": true,
"description": "A function that is called when the resource has been successfully loaded."
}
]
}
],
"events": [
{
"name": "onThemeChanged",
"type": "function",
"description": "Fired when the devtools theme changes.",
"parameters": [
{
"name": "themeName",
"type": "string",
"description": "The name of the current devtools theme."
}
]
}
]
}
]