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  1. 13 Apr, 2020 1 commit
    • Robert Knight's avatar
      Implement a fallback if CSS blending is not supported · 8587df5c
      Robert Knight authored 
      Implement a fallback for browsers that don't support the CSS
`mix-blend-mode` property (IE 11, Edge < 79) by merging overlapping
highlights into a single layer with uniform opacity. This prevents
overlapping highlights from affecting readability since highlights are
blended with the content underneath using normal blending in this case.
      8587df5c
  3. 11 Apr, 2020 1 commit
    • Robert Knight's avatar
      Improve readability of PDF highlights · 55e4ad5a
      Robert Knight authored 
      Improve the readability of highlights on PDFs by creating the highlights
in an SVG layer overlaid on top of the page's `<canvas>` instead of
using the CSS `background-color` property on the
`<hypothesis-highlight>` elements in the page's text layer.

Using an SVG placed in the DOM like this allows us to control how
the highlight is blended with the content underneath using CSS
`mix-blend-mode`. Using the `multiply` blend mode [2] means that highlights
will darken the content below rather than making dark text in the
canvas appear lighter and muddier. Additionally this approach gives us
more control over the appearance of overlapping highlights. Note that
for the custom blending to work, it is important that the SVG is in the
same stacking context as the canvas [1]

We still need to keep the `<hypothesis-highlight>` elements in the text layer
for interactive functionality (eg. interacting with highlights using the
keyboard or pointer). The SVG highlight is associated with the
`<hypothesis-highlight>` via an `svgHighlight` property so that the SVG
can be removed when the highlight itself is removed.

[1] https://drafts.fxtf.org/compositing-1/#csscompositingrules_CSS
[2] https://drafts.fxtf.org/compositing-1/#valdef-blend-mode-multiply
      55e4ad5a
  5. 08 Apr, 2020 5 commits
    • Robert Knight's avatar
      Merge pull request #2011 from hypothesis/replace-angular-run · 2e287c68
      Robert Knight authored 
      Use `Injector` to initialize services
      2e287c68
    • Robert Knight's avatar
      Merge pull request #2012 from hypothesis/remove-direct-session-state-access · 6e0e57d3
      Robert Knight authored 
      Refactor profile data access in the store
      6e0e57d3
    • Robert Knight's avatar
      Refactor profile data access in the store · 2ec09cad
      Robert Knight authored 
      This PR refactors accessing and updating of profile data from
`/api/profile` in the store:

 - Always access the profile data fetched from `/api/profile` via the
   `store.profile()` selector rather than using
   `store.getState().session...`.

 - Move the profile data from the top level of `state.session` into a
   `profile` field (`state.session.profile`)

 - Rename `store.updateSession()` to `store.updateProfile()` for
   consistency with the `profile()` selector. The previous name is a
   holdover from when "session" meant "the user's cookie session".

These changes make this store module follow our agreed best practices to
avoid accessing state directly, rather than via a selector, and will also
make it easier to add additional session-related state in future which
is not fetched from `/api/profile`.

One subtle but intended change is that `state.session.profile` is now
always _replaced_ when the profile is udpated, rather than it being the
result of merging the previous and current state. The previous behavior
could introduce subtle bugs where state from a previous login remained
after switching the user.
      2ec09cad
    • Robert Knight's avatar
      Use `Injector` to run initialization functions · 4d210869
      Robert Knight authored 
      Replace Angular's `run` function which is used to run initialization
logic once all services are constructed with a new `Injector#run`
method.

This allows us to remove the dependency on Angular for running app
initialization logic which requires access to service instances. As a
result, services that are not used by remaining Angular components no
longer need to be registered with Angular at all.
      4d210869
    • Robert Knight's avatar
      Merge pull request #1996 from hypothesis/improve-nested-highlight-readability · b53d31d7
      Robert Knight authored 
      Improve readability of nested highlights in PDFs
      b53d31d7
  7. 07 Apr, 2020 1 commit
    • Kyle Keating's avatar
      Fix press `Tab` to add a tag · d8157154
      Kyle Keating authored 
      - Tab will add the first suggestion in the autocomplete list if the list is not empty and `Tab` is pressed without any suggestion being selected.
- Tab can act as `Enter` or `,` and add a selected tag from a list when pressed.
      d8157154
  9. 06 Apr, 2020 21 commits
  11. 04 Apr, 2020 1 commit
    • Robert Knight's avatar
      Move annotation deletion/flagging to `annotations` service · 13f562b0
      Robert Knight authored 
      Replace `annotationMapper.{deleteAnnotation, flagAnnotation}` with
`annotationsService.{delete, flag}`.

This is another step towards consolidating the logic for making
annotation-related API calls and updating the store into the annotations
service and removing the legacy annotationMapper service.
      13f562b0
  13. 03 Apr, 2020 10 commits