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This is all the code for the selector content worker. This worker has these responsibilities:

  • Setup an iframe where work happens
  • Create the shot object and keep it updated
  • Handle clicks in the interface (e.g., My Shots)
  • Manage the selection and resizing process
  • Manage click-to-select
  • Take a screenshot (when canvas.drawWindow is supported)
    • Or when canvas.drawWindow is not present, rely on the background page to take a screenshot
  • Ask the background worker to finish the shot

The files are loaded by a list in background/main.js

  • callBackground.js exports a function callBackground(funcName, ...args) to communicate with the background worker.
  • documentMetadata.js gets information out of the document (URL, og: metadata, etc)
  • ui.js handles all the visual components, including iframe setup, and has callbacks when the user interacts with those components.
  • util.js has random stuff.
  • uicontrol.js handles the actual selection and transition between states. It also handles the actual dragging and selection.
  • shooter.js coordinates all the other parts.