Google Inc.

Matthew Jay Isison

Luiz Do Amaral De Franca Pereira Filho

Igor Kopylov

Behnoosh Hariri

Kevin Winter

Olga Sergeyevna Saviano

Gregory George Galante

Haluk Burcin Tunali

Jacob Robert Voytko

Etan Bukiet

Mathieu Turcotte

Leeran Raphaely

Norbert Zsolt Kenderesi

The technology herein involves accessing content of an electronic document and a shared layout for the electronic document, wherein the shared layout provides a layout for user devices having different dimensions of display areas; rendering the content of the electronic document onto a primary rendering surface and a secondary rendering surface, wherein the primary rendering surface is associated with a native platform of a user device and the secondary rendering surface is associated with the shared layout of a server; applying operation commands to modify the primary rendering surface, the operation commands resulting from a user interaction with the electronic document; merging the operation commands into a merged operation call; and invoking the merged operation call to modify the secondary rendering surface, wherein the merged operation call reduces a number of operation calls that modify the secondary rendering surface and is shared with the server to modify the shared layout.

Interactively presenting a visible portion of a rendering surface on a user device

Systems and methods disclosed herein provide a method that includes obtaining, at a user device from a remote storage server, content relating to an electronic document, and rendering the content of the electronic document onto a first virtual rendering surface. The method further includes maintaining a second virtual rendering surface that stores a current state of the first virtual rendering surface. The method further includes obtaining an operation command relating to the electronic document, and retrieving first state information of the first virtual rendering surface and second state information of the second virtual rendering surface. The method further includes applying the operation command to the rendered content of the electronic document on the first virtual rendering surface, and updating at least one of the first state information or the second state information based on a type of the operation command.

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Jersey City, NJ, United States of America

Matthew Jay Isison