This CL teaches Scrollable how to settle back to a scroll offset of 0.0 after a
fling or a scroll. There's still some room for improvement:
1) Some of this logic should be factored out into the scroll curve object.
2) We don't produce the correct animation curves when we fling into the
overscroll region because we wait for the fling velocity to reach zero
before we start the settling animation.
R=ojan@chromium.org, eseidel@chromium.org
Review URL: https://codereview.chromium.org/1005753002
When using OverscrollCurve, we continue to scroll beyond the top of the
scrollable area but the scroll delta is reduced by 2x. A future CL will add an
animation at gesturescrollend to relax back to scroll position 0.0.
R=eseidel@chromium.org
Review URL: https://codereview.chromium.org/1002953003
Intead of hard-coding the notion of bounded scrolling into Scrollable, this CL
factors out a ScrollCurve class that applies the bounds. In the future, we'll
refine this mechanism to implement overflow scrolling.
R=eseidel@chromium.org
Review URL: https://codereview.chromium.org/1005633002
To accomplish this, I made the following changes:
1) Material is now in charge of drawing the material shadows.
2) In order to mix in the style for the shadow, Element now takes a list of
Styles instead of a single style.
3) Update all clients of Element#style to understand that we now have a list.
4) Update components that drawer shadows to have Material do that work instead.
a) One exception: FloatingActionButton draws its own shadow because of its
crazy clip requirements. We'll probably want to find a better way for
FloatingActionButton to clip in the future.
I've also added a widgets-fn example to demo the fn material widgets.
This CL introduces a bug into Drawer whereby you can get ink splashes
everywhere in the drawer. In the future, we'll need to separate out the
different material aspects to get non-splashable materials.
R=rafaelw@chromium.org
Review URL: https://codereview.chromium.org/1003553002
Instead of MaterialComponent being a base class, components that want material
behavior simply create a MaterialComponent during their render function. This
approach gives the component more flexibility as to its structure and gives
MaterialComponent more flexibility has to how the components it generates are
related to the existing children.
Also, I've improved some of the event delegation code. There's no reason to
attach event handlers to the root component you emit during |render| because
the framework already delegates events from your root component to you.
R=rafaelw@chromium.org
Review URL: https://codereview.chromium.org/983903003