Microsoft Technology Licensing, LLC

M David Fields, Jr

Cenk Ergan

Jason Joseph Weber

Michael D Decker

Walter V Von Koch

Katerina V Sedova

Karen Elizabeth Parker Anderson

Qiang Chen

Jatinder Singh Mann

Meir Shmouely

Omer Rosenbaum

Kedar Hirve

Gregory Bershansky

Matthew P Kotsenas

Aaron Rodriguez Hernandez

Kieran Chin Cheong

Kelly Laurence Ford

Yuval Peled

Yi Ming Zhou

In one or more embodiments, an application program interface (API) is provided and enables an entity, such as an application, script, or other computing object to register to receive callbacks immediately and, without specifying a time constraint. In this approach, the API does not rely on a timer, such as a system timer. Rather, a non-timer based queue, such as a message queue-type approach is utilized. Specifically, callbacks that are registered through this API can be placed on the message queue and work associated with the registered callback can be performed through the normal course of processing messages and events in the message queue. Over time, such results in a callback pattern that allows an associated web browser and applications such as web applications to remain responsive, while increasing performance and power efficiencies.

Power efficient callback patterns

Various embodiments align callbacks to a scripting component that enable the scripting component to update animation, with a system's refresh notifications. Specifically, an application program interface (API) is provided and implemented in a manner that generates and issues a callback to the scripting component when the system receives a refresh notification. This provides the scripting component with a desirable amount of time to run before the next refresh notification.

Aligning script animations with display refresh

Various embodiments provide approaches for measuring the rendering times of a webpage that can be browser-independent. In at least some embodiments, as a web page is rendered, video data of the webpage is captured and analyzed to ascertain when the webpage, or portions thereof, have likely been completely rendered. In at least some embodiments, image processing can be performed on captured video data to ascertain, from observed pixel changes over time, when the webpage has likely been rendered.

Measuring web page rendering time

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Kirkland, WA, United States of America

M David Fields, Jr