- makes the event logic not involve a boolean return value (since we ignored it anyway)
- splits the event handling logic into two steps, hit testing and event dispatch
- introduces an App class on the Dart side to factor out the interaction with the C++ side
- ports sector-layout and simple_render_tree to the new App infrastructure
- port simple_render_tree to the new event handling logic
- implement hit testing for the sector-layout demo
R=eseidel@chromium.org
Review URL: https://codereview.chromium.org/1143343004
This only handles really basic cases and doesn't understand
justification, wrapping, and so on. Submitting for code
review so I can get some early feedback before I invest
more time into making it correct.
R=ianh@google.com, abarth
Review URL: https://codereview.chromium.org/1151293002
