[Threads V2] Preliminary integration of unspecced V2 APIs (#8443)

* WIP

* Sorting working

* Rough handling of hidden/muted

* Better muted/hidden sorting and handling

* Clarify some naming

* Fix parents

* Handle first reply under highlighted/composer

* WIP RaW

* WIP optimistic

* Optimistic WIP

* Little cleanup, inserting dupes

* Re-org

* Add in new optimistic insert logic

* Update types

* Sorta working linear view optimistic state

* Simple working version, no pref for OP

* Working optimistic reply insertions, preference for OP

* Ensure deletes are coming through

* WIP scroll handling

* WIP scroll tweaks

* Clean up scrolling

* Clean up onPostSuccess

* Add annotations

* Fix highlighted post calc

* WIP kill me

* Update APIs

* Nvm don't kill me

* Fix optimistic insert

* Handle read more cases in tree view

* Basically working read more

* Handle linear view

* Reorg

* More reorg

* Split up thread post components

* New reply tree layout

* Fix up traversal metadata

* Tighten some spacing

* Use indent ya idiot

* Some linear mode cleanup

* Fix lines on read more items

* Vibe coding to success

* Almost there with read mores

* Update APIs

* Bump sdk

* Update import

* Checkpoint new traversal

* Checkpoint cleanup

* Checkpoint, need to fix blocked posts

* Checkpoint: think we're good, needs more cleanup

* Clean it up

* Two passes only

* Set to default params, update comment

* Fix render bug on native

* Checkpoint parent rendering, can opt for slower handling here

* Clean up parent handling, reply handling

* Fix read more extra space

* Fix read more in linear view

* Fix hidden reply handling, seen count, before/after calc

* Update naming

* Rename Slice to ThreadItem

* Add basic post and anchor skeletons

* Refactor client-side hidden

* WIP hidden fetching

* Update types

* Clean up query a bit

* Scrolling still broken

* Ok maybe fix scrolling

* Checkpoint move state into meta query

* Don't load remote hidden items unless needed

* skeleton view

* Reset hidden items when params change

* Split up traversal and avoid multiple passes

* Clean up

* Checkpoint: handling exhausted replies

* Clean up traversal functions further

* Clean up pagination

* Limit optimistic reply depth

* Handle optimistic insert in hidden replies

* Share root query key for easier cache extraction

* Make blurred posts not look like ass

* Fix double deleted item

* Make optimistic deleted state not look like crap in tree view

* Fix parents traversal 4 real

* Rename tree post

* Make optimistic deletions of linear posts not look bad

* Rename linear post components

* Handle tombstone views

* Rename read more component

* Add moreParents handling

* Align interaction states of read more

* Fix read more on FF

* Tree view skeleton

* Reply composer skele

* Remove hack for showing more replies

* Checkpoint: sort change scrolling fixed

* Checkpoint: learned new things, reset to base

* Feature gate

* Rename

* Replace show more

* Update settings screen

* Update pkg and endpoint

* Remove console

* Eureka

* Cleanup last commit

* No tests atm

* Remove scroll provider

* Clean up callbacks, better error state

* Remove todo

* Remove todo

* Remove todos

* Format

* Ok I think scrolling is solid

* Add back mobile compose input

* Ok need to compute headerHeight every time

* Update comments

* Ok button up web too

* Threads v2 tweaks (#8467)

* fix error screen collapsing

* use personx icon for blocked posts

* Remove height/width

* Revert unused Header change

* Clarify code

* Relate consts to theme values

* Remove debug code

* Typo

* Fix debounce of threads prefs

* Update metadata comments, dev mode

* Missed a spot

* Clean up todo

* Fix up no-unauthenticated posts

* Truncate parents if no-unauth

* Update getBranch docs

* Remove debug code

* Expand fetching in some cases

* Clear scroll need for root post to fix jump bug

* Fix reply composer skeleton state

* Remove uneeded initialized value

* Add profile shadow cache

* Some metrics

* prettier tweak

* eslint ignore

* Fix optimistic insertion

* Typo

* Rename, comment

* Remove wait

* Counter naming

* Replies seen counter for moderated sub-trees

* Remove borders on skeleton

* Align tombstone with optimistic deletion state

* Fix optimistic deletion for thread

* Add tree view icon

* Rename

* Cleanup

* Update settings copy

* Header menu open metric

* Bump package

* Better reply prompt (#8474)

* restyle reply prompt

* hide bottom bar border for cleaner look

* use new border hiding hook in DMs

* create `transparentifyColor` function

* adjust padding

* fix padding in immersive lpayer

* Apply suggestions from code review

Co-authored-by: surfdude29 <149612116+surfdude29@users.noreply.github.com>

* Integrate post-source

(cherry picked from commit fe053e9b38395a4fcb30a4367bc800f64ea84fe9)

---------

Co-authored-by: Samuel Newman <mozzius@protonmail.com>
Co-authored-by: surfdude29 <149612116+surfdude29@users.noreply.github.com>

2 files changed, 76 insertions, 0 deletions

diff --git a/src/alf/util/__tests__/colors.test.ts b/src/alf/util/__tests__/colors.test.ts
new file mode 100644
index 000000000..350b6ff4a
--- /dev/null
+++ b/src/alf/util/__tests__/colors.test.ts
@@ -0,0 +1,48 @@
+import {jest} from '@jest/globals'
+
+import {logger} from '#/logger'
+import {transparentifyColor} from '../colorGeneration'
+
+jest.mock('#/logger', () => ({
+  logger: {warn: jest.fn()},
+}))
+
+describe('transparentifyColor', () => {
+  beforeEach(() => {
+    jest.clearAllMocks()
+  })
+
+  it('converts hsl() to hsla()', () => {
+    const result = transparentifyColor('hsl(120 100% 50%)', 0.5)
+    expect(result).toBe('hsla(120 100% 50%, 0.5)')
+  })
+
+  it('converts hsl() to hsla() - fully transparent', () => {
+    const result = transparentifyColor('hsl(120 100% 50%)', 0)
+    expect(result).toBe('hsla(120 100% 50%, 0)')
+  })
+
+  it('converts rgb() to rgba()', () => {
+    const result = transparentifyColor('rgb(255 0 0)', 0.75)
+    expect(result).toBe('rgba(255 0 0, 0.75)')
+  })
+
+  it('expands 3-digit hex and appends alpha channel', () => {
+    const result = transparentifyColor('#abc', 0.4)
+    expect(result).toBe('#aabbcc66')
+  })
+
+  it('appends alpha to 6-digit hex', () => {
+    const result = transparentifyColor('#aabbcc', 0.4)
+    expect(result).toBe('#aabbcc66')
+  })
+
+  it('returns the original string and warns for unsupported formats', () => {
+    const unsupported = 'blue'
+    const result = transparentifyColor(unsupported, 0.5)
+    expect(result).toBe(unsupported)
+    expect(logger.warn).toHaveBeenCalledWith(
+      `Could not make '${unsupported}' transparent`,
+    )
+  })
+})
diff --git a/src/alf/util/colorGeneration.ts b/src/alf/util/colorGeneration.ts
index 8d769b51b..574ab0a49 100644
--- a/src/alf/util/colorGeneration.ts
+++ b/src/alf/util/colorGeneration.ts
@@ -1,3 +1,5 @@
+import {logger} from '#/logger'
+
 export const BLUE_HUE = 211
 export const RED_HUE = 346
 export const GREEN_HUE = 152
@@ -19,3 +21,29 @@ export function generateScale(start: number, end: number) {
 export const defaultScale = generateScale(6, 100)
 // dim shifted 6% lighter
 export const dimScale = generateScale(12, 100)
+
+export function transparentifyColor(color: string, alpha: number) {
+  if (color.startsWith('hsl(')) {
+    return 'hsla(' + color.slice('hsl('.length, -1) + `, ${alpha})`
+  } else if (color.startsWith('rgb(')) {
+    return 'rgba(' + color.slice('rgb('.length, -1) + `, ${alpha})`
+  } else if (color.startsWith('#')) {
+    if (color.length === 7) {
+      const alphaHex = Math.round(alpha * 255).toString(16)
+      // Per MDN: If there is only one number, it is duplicated: e means ee
+      // https://developer.mozilla.org/en-US/docs/Web/CSS/hex-color
+      return color.slice(0, 7) + alphaHex.padStart(2, alphaHex)
+    } else if (color.length === 4) {
+      // convert to 6-digit hex before adding alpha
+      const [r, g, b] = color.slice(1).split('')
+      const alphaHex = Math.round(alpha * 255).toString(16)
+      return `#${r.repeat(2)}${g.repeat(2)}${b.repeat(2)}${alphaHex.padStart(
+        2,
+        alphaHex,
+      )}`
+    }
+  } else {
+    logger.warn(`Could not make '${color}' transparent`)
+  }
+  return color
+}