RCefWebDisplayHandle Class Reference

Definition at line 24 of file RCefWebDisplayHandle.hxx.

Classes
class	CefCreator

Public Member Functions
	RCefWebDisplayHandle (const std::string &url)
	~RCefWebDisplayHandle () override
	Destructor Closes browser window if any.
void	CloseBrowser ()
	Closes associated browser window.
bool	IsValid () const
bool	Resize (int, int) override
	Resize browser window.
void	SetBrowser (CefRefPtr< CefBrowser > br)
bool	WaitForContent (int tmout_sec, const std::string &extra_args)
	Process system events until browser content is available Used in headless mode for batch production like chrome –dump-dom is doing.
Public Member Functions inherited from ROOT::RWebDisplayHandle
	RWebDisplayHandle (const std::string &url)
	constructor
virtual	~RWebDisplayHandle ()=default
	required virtual destructor for correct cleanup at the end
const std::string &	GetContent () const
	get content
const std::string &	GetUrl () const
	returns url of start web display
void	SetContent (const std::string &cont)
	set content

Static Public Member Functions
static void	AddCreator ()
	Add CEF creator.
Static Public Member Functions inherited from ROOT::RWebDisplayHandle
static bool	CanProduceImages (const std::string &browser="")
	Returns true if image production for specified browser kind is supported If browser not specified - use currently configured browser or try to test existing web browsers.
static std::unique_ptr< RWebDisplayHandle >	Display (const RWebDisplayArgs &args)
	Create web display.
static bool	DisplayUrl (const std::string &url)
	Display provided url in configured web browser.
static std::string	GetImageFormat (const std::string &fname)
	Detect image format There is special handling of ".screenshot.pdf" and ".screenshot.png" extensions Creation of such files relies on headless browser functionality and fully supported only by Chrome browser.
static bool	NeedHttpServer (const RWebDisplayArgs &args)
	Check if http server required for display.
static bool	ProduceImage (const std::string &fname, const std::string &json, int width=800, int height=600, const char *batch_file=nullptr)
	Produce image file using JSON data as source Invokes JSROOT drawing functionality in headless browser - Google Chrome or Mozilla Firefox.
static bool	ProduceImages (const std::string &fname, const std::vector< std::string > &jsons, const std::vector< int > &widths, const std::vector< int > &heights, const char *batch_file=nullptr)
	Produce image file(s) using JSON data as source Invokes JSROOT drawing functionality in headless browser - Google Chrome or Mozilla Firefox.
static bool	ProduceImages (const std::vector< std::string > &fnames, const std::vector< std::string > &jsons, const std::vector< int > &widths, const std::vector< int > &heights, const char *batch_file=nullptr)
	Produce image file(s) using JSON data as source Invokes JSROOT drawing functionality in headless browser - Google Chrome or Mozilla Firefox.
static std::vector< std::string >	ProduceImagesNames (const std::string &fname, unsigned nfiles=1)
	Produce vector of file names for specified file pattern Depending from supported file forma.

Protected Types
enum	EValidValues { kValid = 0x3C3C3C3C , kInvalid = 0x92929292 }

Protected Attributes
CefRefPtr< CefBrowser >	fBrowser
	associated browser
unsigned	fValid {kValid}
	used to verify if instance valid or not

Additional Inherited Members
Static Protected Member Functions inherited from ROOT::RWebDisplayHandle
static bool	CheckIfCanProduceImages (RWebDisplayArgs &args)
	Checks if configured browser can be used for image production.
static std::unique_ptr< Creator > &	FindCreator (const std::string &name, const std::string &libname="")
	Search for specific browser creator If not found, try to add one.
static std::map< std::string, std::unique_ptr< Creator > > &	GetMap ()
	Static holder of registered creators of web displays.

#include <RCefWebDisplayHandle.hxx>

Inheritance diagram for RCefWebDisplayHandle:

Member Enumeration Documentation

EValidValues

enum RCefWebDisplayHandle::EValidValues

protected

Enumerator
kValid
kInvalid

Definition at line 36 of file RCefWebDisplayHandle.hxx.

Constructor & Destructor Documentation

RCefWebDisplayHandle()

RCefWebDisplayHandle::RCefWebDisplayHandle ( const std::string & url )

inline

Definition at line 43 of file RCefWebDisplayHandle.hxx.

~RCefWebDisplayHandle()

RCefWebDisplayHandle::~RCefWebDisplayHandle ( )

override

Destructor Closes browser window if any.

Definition at line 218 of file RCefWebDisplayHandle.cxx.

Member Function Documentation

AddCreator()

void RCefWebDisplayHandle::AddCreator ( )

static

Add CEF creator.

Definition at line 289 of file RCefWebDisplayHandle.cxx.

CloseBrowser()

void RCefWebDisplayHandle::CloseBrowser

(

)

Closes associated browser window.

Definition at line 228 of file RCefWebDisplayHandle.cxx.

IsValid()

bool RCefWebDisplayHandle::IsValid ( ) const

inline

Definition at line 47 of file RCefWebDisplayHandle.hxx.

Resize()

bool RCefWebDisplayHandle::Resize ( int width, int height )

overridevirtual

Resize browser window.

Reimplemented from ROOT::RWebDisplayHandle.

Definition at line 279 of file RCefWebDisplayHandle.cxx.

SetBrowser()

void RCefWebDisplayHandle::SetBrowser ( CefRefPtr< CefBrowser > br )

inline

Definition at line 49 of file RCefWebDisplayHandle.hxx.

WaitForContent()

bool RCefWebDisplayHandle::WaitForContent	(	int	tmout_sec,
		const std::string &	extra_args )

Process system events until browser content is available Used in headless mode for batch production like chrome –dump-dom is doing.

Definition at line 241 of file RCefWebDisplayHandle.cxx.

Member Data Documentation

fBrowser

CefRefPtr<CefBrowser> RCefWebDisplayHandle::fBrowser

protected

associated browser

Definition at line 40 of file RCefWebDisplayHandle.hxx.

fValid

unsigned RCefWebDisplayHandle::fValid {kValid}

protected

used to verify if instance valid or not

Definition at line 38 of file RCefWebDisplayHandle.hxx.