Move code for UI state to screen-specific packages

app/src/main/java/org/fairscan/app/ui/screens/camera/CameraPreview.kt

@@ -53,10 +53,9 @@ import androidx.core.graphics.scale
 import androidx.lifecycle.LifecycleOwner
 import androidx.lifecycle.compose.LocalLifecycleOwner
 import com.google.common.util.concurrent.ListenableFuture
-import org.fairscan.app.ui.components.CameraPermissionState
-import org.fairscan.app.ui.state.LiveAnalysisState
 import org.fairscan.app.domain.Point
 import org.fairscan.app.domain.scaledTo
+import org.fairscan.app.ui.components.CameraPermissionState
 import java.util.concurrent.ExecutorService
 import java.util.concurrent.Executors
 

app/src/main/java/org/fairscan/app/ui/screens/camera/CameraScreen.kt

@@ -93,19 +93,8 @@ import org.fairscan.app.ui.components.MyScaffold
 import org.fairscan.app.ui.components.pageCountText
 import org.fairscan.app.ui.dummyNavigation
 import org.fairscan.app.ui.fakeDocument
-import org.fairscan.app.ui.state.LiveAnalysisState
 import org.fairscan.app.ui.theme.FairScanTheme
 
-data class CameraUiState(
-    val pageCount: Int,
-    val liveAnalysisState: LiveAnalysisState,
-    val captureState: CaptureState,
-    val showDetectionError: Boolean,
-    val isLandscape: Boolean,
-    val isDebugMode: Boolean,
-    val isTorchEnabled: Boolean,
-)
-
 const val CAPTURED_IMAGE_DISPLAY_DURATION = 1500L
 const val ANIMATION_DURATION = 200
 

app/src/main/java/org/fairscan/app/ui/screens/camera/CameraUiState.kt

@@ -12,7 +12,7 @@
  * You should have received a copy of the GNU General Public License along with
  * this program. If not, see <https://www.gnu.org/licenses/>.
  */
-package org.fairscan.app.ui.state
+package org.fairscan.app.ui.screens.camera
 
 import android.graphics.Bitmap
 import androidx.compose.runtime.Immutable
@@ -24,4 +24,14 @@ data class LiveAnalysisState(
     val binaryMask: Bitmap? = null,
     val documentQuad: Quad? = null,
     val timestamp: Long = System.currentTimeMillis(),
-)
+)
+
+data class CameraUiState(
+    val pageCount: Int,
+    val liveAnalysisState: LiveAnalysisState,
+    val captureState: CaptureState,
+    val showDetectionError: Boolean,
+    val isLandscape: Boolean,
+    val isDebugMode: Boolean,
+    val isTorchEnabled: Boolean,
+)

app/src/main/java/org/fairscan/app/ui/screens/camera/CameraViewModel.kt

@@ -33,7 +33,6 @@ import org.fairscan.app.AppContainer
 import org.fairscan.app.domain.detectDocumentQuad
 import org.fairscan.app.domain.extractDocument
 import org.fairscan.app.domain.scaledTo
-import org.fairscan.app.ui.state.LiveAnalysisState
 import java.io.ByteArrayOutputStream
 
 sealed interface CameraEvent {

app/src/main/java/org/fairscan/app/ui/screens/export/ExportScreen.kt

@@ -76,7 +76,6 @@ import org.fairscan.app.ui.components.NewDocumentDialog
 import org.fairscan.app.ui.components.isLandscape
 import org.fairscan.app.ui.components.pageCountText
 import org.fairscan.app.ui.dummyNavigation
-import org.fairscan.app.ui.state.PdfGenerationUiState
 import org.fairscan.app.ui.theme.FairScanTheme
 import java.io.File
 import java.text.SimpleDateFormat

app/src/main/java/org/fairscan/app/ui/screens/export/ExportUiState.kt

@@ -12,11 +12,10 @@
  * You should have received a copy of the GNU General Public License along with
  * this program. If not, see <https://www.gnu.org/licenses/>.
  */
-package org.fairscan.app.ui.state
+package org.fairscan.app.ui.screens.export
 
 import android.net.Uri
 import org.fairscan.app.data.GeneratedPdf
-import java.io.File
 
 data class PdfGenerationUiState(
     val isGenerating: Boolean = false,
@@ -28,9 +27,3 @@ data class PdfGenerationUiState(
 ) {
     val hasSavedOrSharedPdf get() = savedFileUri != null || hasSharedPdf
 }
-
-data class RecentDocumentUiState(
-    val file: File,
-    val saveTimestamp: Long,
-    val pageCount: Int,
-)

app/src/main/java/org/fairscan/app/ui/screens/export/ExportViewModel.kt

@@ -35,7 +35,6 @@ import org.fairscan.app.AppContainer
 import org.fairscan.app.data.GeneratedPdf
 import org.fairscan.app.data.PdfFileManager
 import org.fairscan.app.ui.screens.home.HomeViewModel
-import org.fairscan.app.ui.state.PdfGenerationUiState
 import java.io.File
 
 private const val PDF_MIME_TYPE = "application/pdf"

app/src/main/java/org/fairscan/app/ui/screens/home/HomeScreen.kt

@@ -59,7 +59,6 @@ import org.fairscan.app.ui.components.CameraPermissionState
 import org.fairscan.app.ui.Navigation
 import org.fairscan.app.R
 import org.fairscan.app.ui.components.rememberCameraPermissionState
-import org.fairscan.app.ui.state.RecentDocumentUiState
 import org.fairscan.app.ui.components.AboutScreenNavButton
 import org.fairscan.app.ui.components.formatDate
 import org.fairscan.app.ui.components.pageCountText

app/src/main/java/org/fairscan/app/ui/screens/home/HomeUiState.kt

@@ -0,0 +1,23 @@
+/*
+ * Copyright 2025 Pierre-Yves Nicolas
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, either version 3 of the License, or (at your option)
+ * any later version.
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+package org.fairscan.app.ui.screens.home
+
+import java.io.File
+
+data class RecentDocumentUiState(
+    val file: File,
+    val saveTimestamp: Long,
+    val pageCount: Int,
+)

app/src/main/java/org/fairscan/app/ui/screens/home/HomeViewModel.kt

@@ -23,7 +23,6 @@ import kotlinx.coroutines.flow.stateIn
 import kotlinx.coroutines.launch
 import org.fairscan.app.AppContainer
 import org.fairscan.app.RecentDocument
-import org.fairscan.app.ui.state.RecentDocumentUiState
 import java.io.File
 
 class HomeViewModel(appContainer: AppContainer): ViewModel() {