feat: [FC-0047] Full-Bleed Header + Top Navigation (#278)

* feat: New header and navigation on CourseContainerFragment

* feat: Changed logic of swipe to refresh, added blur for android <= 12, minor code refactoring

* feat: removed COURSE_TOP_BAR_ENABLED and COURSE_BANNER_ENABLED feature flags

* feat: special header style for android < 12

* fix: Fixed header image blur for android < 12. Added courseContainerTabClickedEvent

* feat: auto scrolling header to  collapsed and expanded states

* fix: Fixed junit tests

* fix: Fixed CourseContainerViewModelTest

* fix: auto scroll fling fix

* feat: CourseContainerFragment refactoring

* fix: Removed expanded header content top padding

* fix: Collapsing header and navigation tabs UI fixes

* fix: Fixes according to PR feedback

* refactor: Course home tabs layout

* fix: Fixes according to PR feedback

* fix: Fixes according to PR feedback

* refactor: Refactored view models of course container screens

* fix: Fixes according to PR feedback

Author: PavloNetrebchuk

Documentation/ConfigurationManagement.md

@@ -89,8 +89,6 @@ android:
 - **WHATS_NEW_ENABLED:** Enables the "What's New" feature to present the latest changes to the user.
 - **SOCIAL_AUTH_ENABLED:** Enables SSO buttons on the SignIn and SignUp screens.
 - **COURSE_NESTED_LIST_ENABLED:** Enables an alternative visual representation for the course structure.
-- **COURSE_BANNER_ENABLED:** Enables the display of the course image on the Course Home screen.
-- **COURSE_TOP_TAB_BAR_ENABLED:** Enables an alternative navigation on the Course Home screen.
 - **COURSE_UNIT_PROGRESS_ENABLED:** Enables the display of the unit progress within the courseware. 
 
 ## Future Support

app/src/main/java/org/openedx/app/di/AppModule.kt

@@ -25,6 +25,7 @@ import org.openedx.auth.presentation.sso.FacebookAuthHelper
 import org.openedx.auth.presentation.sso.GoogleAuthHelper
 import org.openedx.auth.presentation.sso.MicrosoftAuthHelper
 import org.openedx.auth.presentation.sso.OAuthHelper
+import org.openedx.core.ImageProcessor
 import org.openedx.core.config.Config
 import org.openedx.core.data.model.CourseEnrollments
 import org.openedx.core.data.storage.CorePreferences
@@ -81,6 +82,8 @@ val appModule = module {
     single { ReviewManagerFactory.create(get()) }
     single { CalendarManager(get(), get(), get()) }
 
+    single { ImageProcessor(get()) }
+
     single<Gson> {
         GsonBuilder()
             .registerTypeAdapter(CourseEnrollments::class.java, CourseEnrollments.Deserializer())

app/src/main/java/org/openedx/app/di/ScreenModule.kt

@@ -193,11 +193,14 @@ val screenModule = module {
             get(),
             get(),
             get(),
+            get(),
+            get()
         )
     }
-    viewModel { (courseId: String) ->
+    viewModel { (courseId: String, courseTitle: String) ->
         CourseOutlineViewModel(
             courseId,
+            courseTitle,
             get(),
             get(),
             get(),
@@ -234,9 +237,10 @@ val screenModule = module {
             get(),
         )
     }
-    viewModel { (courseId: String) ->
+    viewModel { (courseId: String, courseTitle: String) ->
         CourseVideoViewModel(
             courseId,
+            courseTitle,
             get(),
             get(),
             get(),
@@ -275,11 +279,8 @@ val screenModule = module {
             get(),
         )
     }
-    viewModel { (courseId: String, courseName: String, isSelfPaced: Boolean, enrollmentMode: String) ->
+    viewModel { (enrollmentMode: String) ->
         CourseDatesViewModel(
-            courseId,
-            courseName,
-            isSelfPaced,
             enrollmentMode,
             get(),
             get(),
@@ -288,7 +289,6 @@ val screenModule = module {
             get(),
             get(),
             get(),
-            get(),
         )
     }
     viewModel { (courseId: String, handoutsType: String) ->
@@ -305,13 +305,13 @@ val screenModule = module {
 
     single { DiscussionRepository(get(), get(), get()) }
     factory { DiscussionInteractor(get()) }
-    viewModel { (courseId: String) ->
+    viewModel {
         DiscussionTopicsViewModel(
             get(),
             get(),
             get(),
             get(),
-            courseId
+            get()
         )
     }
     viewModel { (courseId: String, topicId: String, threadType: String) ->

core/build.gradle

@@ -139,6 +139,7 @@ dependencies {
     // Koin DI
     api "io.insert-koin:koin-core:$koin_version"
     api "io.insert-koin:koin-android:$koin_version"
+    api "io.insert-koin:koin-androidx-compose:$koin_version"
 
     api "io.coil-kt:coil-compose:$coil_version"
     api "io.coil-kt:coil-gif:$coil_version"

core/src/main/java/org/openedx/core/ImageProcessor.kt

@@ -0,0 +1,57 @@
+@file:Suppress("DEPRECATION")
+
+package org.openedx.core
+
+import android.content.Context
+import android.graphics.Bitmap
+import android.graphics.drawable.Drawable
+import android.renderscript.Allocation
+import android.renderscript.RenderScript
+import android.renderscript.ScriptIntrinsicBlur
+import androidx.annotation.DrawableRes
+import coil.ImageLoader
+import coil.request.ImageRequest
+
+class ImageProcessor(private val context: Context) {
+    fun loadImage(
+        @DrawableRes
+        defaultImage: Int,
+        imageUrl: String,
+        onComplete: (result: Drawable) -> Unit
+    ) {
+        val loader = ImageLoader(context)
+        val request = ImageRequest.Builder(context)
+            .data(imageUrl)
+            .target { result ->
+                onComplete(result)
+            }
+            .error(defaultImage)
+            .placeholder(defaultImage)
+            .allowHardware(false)
+            .build()
+        loader.enqueue(request)
+    }
+
+    fun applyBlur(
+        bitmap: Bitmap,
+        blurRadio: Float
+    ): Bitmap {
+        val renderScript = RenderScript.create(context)
+        val bitmapAlloc = Allocation.createFromBitmap(renderScript, bitmap)
+        ScriptIntrinsicBlur.create(renderScript, bitmapAlloc.element).apply {
+            setRadius(blurRadio)
+            setInput(bitmapAlloc)
+            repeat(3) {
+                forEach(bitmapAlloc)
+            }
+        }
+        val newBitmap: Bitmap = Bitmap.createBitmap(
+            bitmap.width,
+            bitmap.height,
+            Bitmap.Config.ARGB_8888
+        )
+        bitmapAlloc.copyTo(newBitmap)
+        renderScript.destroy()
+        return newBitmap
+    }
+}

core/src/main/java/org/openedx/core/config/Config.kt

@@ -107,14 +107,6 @@ class Config(context: Context) {
         return getBoolean(COURSE_NESTED_LIST_ENABLED, false)
     }
 
-    fun isCourseBannerEnabled(): Boolean {
-        return getBoolean(COURSE_BANNER_ENABLED, true)
-    }
-
-    fun isCourseTopTabBarEnabled(): Boolean {
-        return getBoolean(COURSE_TOP_TAB_BAR_ENABLED, false)
-    }
-
     fun isCourseUnitProgressEnabled(): Boolean {
         return getBoolean(COURSE_UNIT_PROGRESS_ENABLED, false)
     }
@@ -174,8 +166,6 @@ class Config(context: Context) {
         private const val PROGRAM = "PROGRAM"
         private const val BRANCH = "BRANCH"
         private const val COURSE_NESTED_LIST_ENABLED = "COURSE_NESTED_LIST_ENABLED"
-        private const val COURSE_BANNER_ENABLED = "COURSE_BANNER_ENABLED"
-        private const val COURSE_TOP_TAB_BAR_ENABLED = "COURSE_TOP_TAB_BAR_ENABLED"
         private const val COURSE_UNIT_PROGRESS_ENABLED = "COURSE_UNIT_PROGRESS_ENABLED"
         private const val PLATFORM_NAME = "PLATFORM_NAME"
     }

core/src/main/java/org/openedx/core/module/download/BaseDownloadViewModel.kt

@@ -1,6 +1,5 @@
 package org.openedx.core.module.download
 
-import androidx.lifecycle.LifecycleOwner
 import androidx.lifecycle.viewModelScope
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.asSharedFlow
@@ -41,8 +40,7 @@ abstract class BaseDownloadViewModel(
     private val _downloadingModelsFlow = MutableSharedFlow<List<DownloadModel>>()
     protected val downloadingModelsFlow = _downloadingModelsFlow.asSharedFlow()
 
-    override fun onCreate(owner: LifecycleOwner) {
-        super.onCreate(owner)
+    init {
         viewModelScope.launch {
             downloadDao.readAllData().map { list -> list.map { it.mapToDomain() } }
                 .collect { downloadModels ->

core/src/main/java/org/openedx/core/presentation/course/CourseContainerTab.kt

@@ -0,0 +1,24 @@
+package org.openedx.core.presentation.course
+
+import androidx.annotation.StringRes
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.filled.Chat
+import androidx.compose.material.icons.automirrored.filled.TextSnippet
+import androidx.compose.material.icons.filled.Home
+import androidx.compose.material.icons.outlined.CalendarMonth
+import androidx.compose.material.icons.rounded.PlayCircleFilled
+import androidx.compose.ui.graphics.vector.ImageVector
+import org.openedx.core.R
+import org.openedx.core.ui.TabItem
+
+enum class CourseContainerTab(
+    @StringRes
+    override val labelResId: Int,
+    override val icon: ImageVector
+) : TabItem {
+    HOME(R.string.core_course_container_nav_home, Icons.Default.Home),
+    VIDEOS(R.string.core_course_container_nav_videos, Icons.Rounded.PlayCircleFilled),
+    DATES(R.string.core_course_container_nav_dates, Icons.Outlined.CalendarMonth),
+    DISCUSSIONS(R.string.core_course_container_nav_discussions, Icons.AutoMirrored.Filled.Chat),
+    MORE(R.string.core_course_container_nav_more, Icons.AutoMirrored.Filled.TextSnippet)
+}

core/src/main/java/org/openedx/core/system/notifier/CourseDataReady.kt

@@ -0,0 +1,5 @@
+package org.openedx.core.system.notifier
+
+import org.openedx.core.domain.model.CourseStructure
+
+data class CourseDataReady(val courseStructure: CourseStructure) : CourseEvent

core/src/main/java/org/openedx/core/system/notifier/CourseDatesShifted.kt

@@ -0,0 +1,3 @@
+package org.openedx.core.system.notifier
+
+object CourseDatesShifted : CourseEvent