A request context provides request handling for a set of related browser or URL request objects. More...

#include "include/cef_request_context.h"

Inheritance diagram for CefRequestContext:

Public Member Functions
virtual bool	IsSame (CefRefPtr< CefRequestContext > other)=0
	Returns true if this object is pointing to the same context as \|that\| object. More...

virtual bool	IsSharingWith (CefRefPtr< CefRequestContext > other)=0
	Returns true if this object is sharing the same storage as \|that\| object. More...

virtual bool	IsGlobal ()=0
	Returns true if this object is the global context. More...

virtual CefRefPtr< CefRequestContextHandler >	GetHandler ()=0
	Returns the handler for this context if any. More...

virtual CefString	GetCachePath ()=0
	Returns the cache path for this object. More...

virtual CefRefPtr< CefCookieManager >	GetCookieManager (CefRefPtr< CefCompletionCallback > callback)=0
	Returns the cookie manager for this object. More...

virtual bool	RegisterSchemeHandlerFactory (const CefString &scheme_name, const CefString &domain_name, CefRefPtr< CefSchemeHandlerFactory > factory)=0
	Register a scheme handler factory for the specified \|scheme_name\| and optional \|domain_name\|. More...

virtual bool	ClearSchemeHandlerFactories ()=0
	Clear all registered scheme handler factories. More...

virtual void	ClearCertificateExceptions (CefRefPtr< CefCompletionCallback > callback)=0
	Clears all certificate exceptions that were added as part of handling CefRequestHandler::OnCertificateError(). More...

virtual void	ClearHttpAuthCredentials (CefRefPtr< CefCompletionCallback > callback)=0
	Clears all HTTP authentication credentials that were added as part of handling GetAuthCredentials. More...

virtual void	CloseAllConnections (CefRefPtr< CefCompletionCallback > callback)=0
	Clears all active and idle connections that Chromium currently has. More...

virtual void	ResolveHost (const CefString &origin, CefRefPtr< CefResolveCallback > callback)=0
	Attempts to resolve \|origin\| to a list of associated IP addresses. More...

virtual void	LoadExtension (const CefString &root_directory, CefRefPtr< CefDictionaryValue > manifest, CefRefPtr< CefExtensionHandler > handler)=0
	Load an extension. More...

virtual bool	DidLoadExtension (const CefString &extension_id)=0
	Returns true if this context was used to load the extension identified by \|extension_id\|. More...

virtual bool	HasExtension (const CefString &extension_id)=0
	Returns true if this context has access to the extension identified by \|extension_id\|. More...

virtual bool	GetExtensions (std::vector< CefString > &extension_ids)=0
	Retrieve the list of all extensions that this context has access to (see HasExtension). More...

virtual CefRefPtr< CefExtension >	GetExtension (const CefString &extension_id)=0
	Returns the extension matching \|extension_id\| or NULL if no matching extension is accessible in this context (see HasExtension). More...

virtual CefRefPtr< CefMediaRouter >	GetMediaRouter (CefRefPtr< CefCompletionCallback > callback)=0
	Returns the MediaRouter object associated with this context. More...

Public Member Functions inherited from CefPreferenceManager
virtual bool	HasPreference (const CefString &name)=0
	Returns true if a preference with the specified \|name\| exists. More...

virtual CefRefPtr< CefValue >	GetPreference (const CefString &name)=0
	Returns the value for the preference with the specified \|name\|. More...

virtual CefRefPtr< CefDictionaryValue >	GetAllPreferences (bool include_defaults)=0
	Returns all preferences as a dictionary. More...

virtual bool	CanSetPreference (const CefString &name)=0
	Returns true if the preference with the specified \|name\| can be modified using SetPreference. More...

virtual bool	SetPreference (const CefString &name, CefRefPtr< CefValue > value, CefString &error)=0
	Set the \|value\| associated with preference \|name\|. More...

Public Member Functions inherited from CefBaseRefCounted
virtual void	AddRef () const =0
	Called to increment the reference count for the object. More...

virtual bool	Release () const =0
	Called to decrement the reference count for the object. More...

virtual bool	HasOneRef () const =0
	Returns true if the reference count is 1. More...

virtual bool	HasAtLeastOneRef () const =0
	Returns true if the reference count is at least 1. More...

Static Public Member Functions
static CefRefPtr< CefRequestContext >	GetGlobalContext ()
	Returns the global context object. More...

static CefRefPtr< CefRequestContext >	CreateContext (const CefRequestContextSettings &settings, CefRefPtr< CefRequestContextHandler > handler)
	Creates a new context object with the specified \|settings\| and optional \|handler\|. More...

static CefRefPtr< CefRequestContext >	CreateContext (CefRefPtr< CefRequestContext > other, CefRefPtr< CefRequestContextHandler > handler)
	Creates a new context object that shares storage with \|other\| and uses an optional \|handler\|. More...

Static Public Member Functions inherited from CefPreferenceManager
static CefRefPtr< CefPreferenceManager >	GetGlobalPreferenceManager ()
	Returns the global preference manager object. More...

Additional Inherited Members
Protected Member Functions inherited from CefBaseRefCounted
virtual	~CefBaseRefCounted ()

Detailed Description

A request context provides request handling for a set of related browser or URL request objects.

A request context can be specified when creating a new browser via the CefBrowserHost static factory methods or when creating a new URL request via the CefURLRequest static factory methods. Browser objects with different request contexts will never be hosted in the same render process. Browser objects with the same request context may or may not be hosted in the same render process depending on the process model. Browser objects created indirectly via the JavaScript window.open function or targeted links will share the same render process and the same request context as the source browser. When running in single-process mode there is only a single render process (the main process) and so all browsers created in single-process mode will share the same request context. This will be the first request context passed into a CefBrowserHost static factory method and all other request context objects will be ignored.

Member Function Documentation

◆ ClearCertificateExceptions()

virtual void CefRequestContext::ClearCertificateExceptions ( CefRefPtr< CefCompletionCallback > callback )

pure virtual

Clears all certificate exceptions that were added as part of handling CefRequestHandler::OnCertificateError().

If you call this it is recommended that you also call CloseAllConnections() or you risk not being prompted again for server certificates if you reconnect quickly. If |callback| is non-NULL it will be executed on the UI thread after completion.

◆ ClearHttpAuthCredentials()

virtual void CefRequestContext::ClearHttpAuthCredentials ( CefRefPtr< CefCompletionCallback > callback )

pure virtual

Clears all HTTP authentication credentials that were added as part of handling GetAuthCredentials.

If |callback| is non-NULL it will be executed on the UI thread after completion.

◆ ClearSchemeHandlerFactories()

virtual bool CefRequestContext::ClearSchemeHandlerFactories ( )

pure virtual

Clear all registered scheme handler factories.

Returns false on error. This function may be called on any thread in the browser process.

◆ CloseAllConnections()

virtual void CefRequestContext::CloseAllConnections ( CefRefPtr< CefCompletionCallback > callback )

pure virtual

Clears all active and idle connections that Chromium currently has.

This is only recommended if you have released all other CEF objects but don't yet want to call CefShutdown(). If |callback| is non-NULL it will be executed on the UI thread after completion.

◆ CreateContext() [1/2]

static CefRefPtr<CefRequestContext> CefRequestContext::CreateContext	(	CefRefPtr< CefRequestContext >	other,
		CefRefPtr< CefRequestContextHandler >	handler
	)

static

Creates a new context object that shares storage with |other| and uses an optional |handler|.

◆ CreateContext() [2/2]

static CefRefPtr<CefRequestContext> CefRequestContext::CreateContext	(	const CefRequestContextSettings &	settings,
		CefRefPtr< CefRequestContextHandler >	handler
	)

static

Creates a new context object with the specified |settings| and optional |handler|.

◆ DidLoadExtension()

virtual bool CefRequestContext::DidLoadExtension ( const CefString & extension_id )

pure virtual

Returns true if this context was used to load the extension identified by |extension_id|.

Other contexts sharing the same storage will also have access to the extension (see HasExtension). This method must be called on the browser process UI thread.

◆ GetCachePath()

virtual CefString CefRequestContext::GetCachePath ( )

pure virtual

Returns the cache path for this object.

If empty an "incognito mode" in-memory cache is being used.

◆ GetCookieManager()

virtual CefRefPtr<CefCookieManager> CefRequestContext::GetCookieManager ( CefRefPtr< CefCompletionCallback > callback )

pure virtual

Returns the cookie manager for this object.

If |callback| is non-NULL it will be executed asnychronously on the UI thread after the manager's storage has been initialized.

◆ GetExtension()

virtual CefRefPtr<CefExtension> CefRequestContext::GetExtension ( const CefString & extension_id )

pure virtual

Returns the extension matching |extension_id| or NULL if no matching extension is accessible in this context (see HasExtension).

This method must be called on the browser process UI thread.

◆ GetExtensions()

virtual bool CefRequestContext::GetExtensions ( std::vector< CefString > & extension_ids )

pure virtual

Retrieve the list of all extensions that this context has access to (see HasExtension).

|extension_ids| will be populated with the list of extension ID values. Returns true on success. This method must be called on the browser process UI thread.

◆ GetGlobalContext()

static CefRefPtr<CefRequestContext> CefRequestContext::GetGlobalContext ( )

static

Returns the global context object.

◆ GetHandler()

virtual CefRefPtr<CefRequestContextHandler> CefRequestContext::GetHandler ( )

pure virtual

Returns the handler for this context if any.

◆ GetMediaRouter()

virtual CefRefPtr<CefMediaRouter> CefRequestContext::GetMediaRouter ( CefRefPtr< CefCompletionCallback > callback )

pure virtual

Returns the MediaRouter object associated with this context.

If |callback| is non-NULL it will be executed asnychronously on the UI thread after the manager's context has been initialized.

◆ HasExtension()

virtual bool CefRequestContext::HasExtension ( const CefString & extension_id )

pure virtual

Returns true if this context has access to the extension identified by |extension_id|.

This may not be the context that was used to load the extension (see DidLoadExtension). This method must be called on the browser process UI thread.

◆ IsGlobal()

virtual bool CefRequestContext::IsGlobal ( )

pure virtual

Returns true if this object is the global context.

The global context is used by default when creating a browser or URL request with a NULL context argument.

◆ IsSame()

virtual bool CefRequestContext::IsSame ( CefRefPtr< CefRequestContext > other )

pure virtual

Returns true if this object is pointing to the same context as |that| object.

◆ IsSharingWith()

virtual bool CefRequestContext::IsSharingWith ( CefRefPtr< CefRequestContext > other )

pure virtual

Returns true if this object is sharing the same storage as |that| object.

◆ LoadExtension()

virtual void CefRequestContext::LoadExtension	(	const CefString &	root_directory,
		CefRefPtr< CefDictionaryValue >	manifest,
		CefRefPtr< CefExtensionHandler >	handler
	)

pure virtual

Load an extension.

If extension resources will be read from disk using the default load implementation then |root_directory| should be the absolute path to the extension resources directory and |manifest| should be NULL. If extension resources will be provided by the client (e.g. via CefRequestHandler and/or CefExtensionHandler) then |root_directory| should be a path component unique to the extension (if not absolute this will be internally prefixed with the PK_DIR_RESOURCES path) and |manifest| should contain the contents that would otherwise be read from the "manifest.json" file on disk.

The loaded extension will be accessible in all contexts sharing the same storage (HasExtension returns true). However, only the context on which this method was called is considered the loader (DidLoadExtension returns true) and only the loader will receive CefRequestContextHandler callbacks for the extension.

CefExtensionHandler::OnExtensionLoaded will be called on load success or CefExtensionHandler::OnExtensionLoadFailed will be called on load failure.

If the extension specifies a background script via the "background" manifest key then CefExtensionHandler::OnBeforeBackgroundBrowser will be called to create the background browser. See that method for additional information about background scripts.

For visible extension views the client application should evaluate the manifest to determine the correct extension URL to load and then pass that URL to the CefBrowserHost::CreateBrowser* function after the extension has loaded. For example, the client can look for the "browser_action" manifest key as documented at https://developer.chrome.com/extensions/browserAction. Extension URLs take the form "chrome-extension://<extension_id>/<path>".

Browsers that host extensions differ from normal browsers as follows:

Can access chrome.* JavaScript APIs if allowed by the manifest. Visit chrome://extensions-support for the list of extension APIs currently supported by CEF.
Main frame navigation to non-extension content is blocked.
Pinch-zooming is disabled.
CefBrowserHost::GetExtension returns the hosted extension.
CefBrowserHost::IsBackgroundHost returns true for background hosts.

See https://developer.chrome.com/extensions for extension implementation and usage documentation.

◆ RegisterSchemeHandlerFactory()

virtual bool CefRequestContext::RegisterSchemeHandlerFactory	(	const CefString &	scheme_name,
		const CefString &	domain_name,
		CefRefPtr< CefSchemeHandlerFactory >	factory
	)

pure virtual

Register a scheme handler factory for the specified |scheme_name| and optional |domain_name|.

An empty |domain_name| value for a standard scheme will cause the factory to match all domain names. The |domain_name| value will be ignored for non-standard schemes. If |scheme_name| is a built-in scheme and no handler is returned by |factory| then the built-in scheme handler factory will be called. If |scheme_name| is a custom scheme then you must also implement the CefApp::OnRegisterCustomSchemes() method in all processes. This function may be called multiple times to change or remove the factory that matches the specified |scheme_name| and optional |domain_name|. Returns false if an error occurs. This function may be called on any thread in the browser process.

◆ ResolveHost()

virtual void CefRequestContext::ResolveHost	(	const CefString &	origin,
		CefRefPtr< CefResolveCallback >	callback
	)

pure virtual

Attempts to resolve |origin| to a list of associated IP addresses.

|callback| will be executed on the UI thread after completion.

The documentation for this class was generated from the following file:

include/cef_request_context.h

Public Member Functions

Static Public Member Functions

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ ClearCertificateExceptions()

◆ ClearHttpAuthCredentials()

◆ ClearSchemeHandlerFactories()

◆ CloseAllConnections()

◆ CreateContext() [1/2]

◆ CreateContext() [2/2]

◆ DidLoadExtension()

◆ GetCachePath()

◆ GetCookieManager()

◆ GetExtension()

◆ GetExtensions()

◆ GetGlobalContext()

◆ GetHandler()

◆ GetMediaRouter()

◆ HasExtension()

◆ IsGlobal()

◆ IsSame()

◆ IsSharingWith()

◆ LoadExtension()

◆ RegisterSchemeHandlerFactory()

◆ ResolveHost()