Rewards 3.0 android

[deeppandya]

Resolves brave/brave-browser#38434
Resolves brave/brave-browser#42273

Submitter Checklist:

• I confirm that no security/privacy review is needed and no other type of reviews are needed, or that I have requested them
• There is a ticket for my issue
• Used Github auto-closing keywords in the PR description above
• Wrote a good PR/commit description
• Squashed any review feedback or "fixup" commits before merge, so that history is a record of what happened in the repo, not your PR
• Added appropriate labels (QA/Yes or QA/No; release-notes/include or release-notes/exclude; OS/...) to the associated issue
• Checked the PR locally:
  • npm run test -- brave_browser_tests, npm run test -- brave_unit_tests wiki
  • npm run presubmit wiki, npm run gn_check, npm run tslint
• Ran git rebase master (if needed)

Reviewer Checklist:

• A security review is not needed, or a link to one is included in the PR description
• New files have MPL-2.0 license header
• Adequate test coverage exists to prevent regressions
• Major classes, functions and non-trivial code blocks are well-commented
• Changes in component dependencies are properly reflected in gn
• Code follows the style guide
• Test plan is specified in PR before merging

After-merge Checklist:

• The associated issue milestone is set to the smallest version that the
  changes has landed on
• All relevant documentation has been updated, for instance:
  • https://github.com/brave/brave-browser/wiki/Deviations-from-Chromium-(features-we-disable-or-remove)
  • https://github.com/brave/brave-browser/wiki/Proxy-redirected-URLs
  • https://github.com/brave/brave-browser/wiki/Fingerprinting-Protections
  • https://github.com/brave/brave-browser/wiki/Brave%E2%80%99s-Use-of-Referral-Codes
  • https://github.com/brave/brave-browser/wiki/Web-Compatibility-Exceptions-in-Brave
  • https://github.com/brave/brave-browser/wiki/QA-Guide
  • https://github.com/brave/brave-browser/wiki/P3A

Test Plan:

[samartnik]

lgtm

[vadimstruts]

LGTM

[github-actions]

Chromium major version is behind target branch (132.0.6834.111 vs 133.0.6943.27). Please rebase.

[github-actions]

Chromium major version is behind target branch (133.0.6943.98 vs 134.0.6998.15). Please rebase.

[github-actions]

[puLL-Merge] - brave/brave-core@26945

Description

This PR introduces a new full-screen custom tab activity for displaying Brave Rewards pages on Android. It includes feature flags for enabling a new Rewards UI and additions to handle publisher information more comprehensively. The changes primarily focus on creating a better user experience for interacting with Brave Rewards.

Changes

Changes

1. New Files:

• FullScreenCustomTabActivity.java - Custom tab activity for full-screen display of rewards pages
• FullScreenCustomTabRootUiCoordinator.java - Coordinator for managing the UI of full-screen custom tabs
• rewards_page_helper.cc/h - Native helper for opening rewards pages

2. Modified Files:

• BraveFeatureList.java - Added NEW_REWARDS_UI_FEATURE flag
• BraveRewardsHelper.java - Added method to check if new rewards UI should be shown
• BraveRewardsNativeWorker.java - Updated publisher observer interface to include publisher ID
• BraveToolbarLayoutImpl.java - Added support for new rewards page display mechanism
• AndroidManifest.xml - Added declaration for FullScreenCustomTabActivity
• Various build files updated to include new components

3. Feature Additions:

• New full-screen custom tab implementation
• Publisher ID tracking in rewards interface
• Smooth transitions for rewards page display
• Feature flag control for new rewards UI

sequenceDiagram
    participant User
    participant ToolbarLayout
    participant RewardsHelper
    participant CustomTab
    participant NativeWorker

    User->>ToolbarLayout: Clicks rewards button
    ToolbarLayout->>RewardsHelper: shouldShowNewRewardsUI()
    alt New UI Enabled
        RewardsHelper-->>ToolbarLayout: true
        ToolbarLayout->>CustomTab: showRewardsPage()
        CustomTab->>User: Displays full-screen rewards
    else Legacy UI
        RewardsHelper-->>ToolbarLayout: false
        ToolbarLayout->>User: Shows rewards popup
    end

    NativeWorker->>ToolbarLayout: onFrontTabPublisherChanged
    ToolbarLayout->>ToolbarLayout: updateVerifiedPublisherMark

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