Introduce LocalFilesHelper to avoid using the Context directly

vector/src/main/java/im/vector/app/core/files/LocalFilesHelper.kt

@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2021 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.app.core.files
+
+import android.content.Context
+import android.net.Uri
+import androidx.documentfile.provider.DocumentFile
+import org.matrix.android.sdk.api.extensions.orFalse
+import java.io.InputStream
+import javax.inject.Inject
+
+class LocalFilesHelper @Inject constructor(private val context: Context) {
+    fun isLocalFile(fileUri: String?): Boolean {
+        return fileUri
+                ?.let { Uri.parse(it) }
+                ?.let { DocumentFile.fromSingleUri(context, it) }
+                ?.exists()
+                .orFalse()
+    }
+
+    fun openInputStream(fileUri: String?): InputStream? {
+        return fileUri
+                ?.takeIf { isLocalFile(it) }
+                ?.let { Uri.parse(it) }
+                ?.let { context.contentResolver.openInputStream(it) }
+    }
+}

vector/src/main/java/im/vector/app/core/glide/MyAppGlideModule.kt

@@ -25,6 +25,7 @@ import com.bumptech.glide.Registry
 import com.bumptech.glide.annotation.GlideModule
 import com.bumptech.glide.module.AppGlideModule
 import im.vector.app.core.extensions.vectorComponent
+import im.vector.app.core.files.LocalFilesHelper
 import im.vector.app.features.media.ImageContentRenderer
 import java.io.InputStream
 
@@ -38,6 +39,6 @@ class MyAppGlideModule : AppGlideModule() {
     override fun registerComponents(context: Context, glide: Glide, registry: Registry) {
         registry.append(ImageContentRenderer.Data::class.java,
                 InputStream::class.java,
-                VectorGlideModelLoaderFactory(context, context.vectorComponent().activeSessionHolder()))
+                VectorGlideModelLoaderFactory(LocalFilesHelper(context), context.vectorComponent().activeSessionHolder()))
     }
 }

vector/src/main/java/im/vector/app/core/glide/VectorGlideModelLoader.kt

@@ -16,7 +16,6 @@
 
 package im.vector.app.core.glide
 
-import android.content.Context
 import com.bumptech.glide.Priority
 import com.bumptech.glide.load.DataSource
 import com.bumptech.glide.load.Options
@@ -26,8 +25,7 @@ import com.bumptech.glide.load.model.ModelLoaderFactory
 import com.bumptech.glide.load.model.MultiModelLoaderFactory
 import com.bumptech.glide.signature.ObjectKey
 import im.vector.app.core.di.ActiveSessionHolder
-import im.vector.app.core.utils.isLocalFile
-import im.vector.app.core.utils.openInputStream
+import im.vector.app.core.files.LocalFilesHelper
 import im.vector.app.features.media.ImageContentRenderer
 import okhttp3.OkHttpClient
 import org.matrix.android.sdk.api.MatrixCallback
@@ -36,12 +34,12 @@ import java.io.File
 import java.io.IOException
 import java.io.InputStream
 
-class VectorGlideModelLoaderFactory(private val context: Context,
+class VectorGlideModelLoaderFactory(private val localFilesHelper: LocalFilesHelper,
                                     private val activeSessionHolder: ActiveSessionHolder
 ) : ModelLoaderFactory<ImageContentRenderer.Data, InputStream> {
 
     override fun build(multiFactory: MultiModelLoaderFactory): ModelLoader<ImageContentRenderer.Data, InputStream> {
-        return VectorGlideModelLoader(context, activeSessionHolder)
+        return VectorGlideModelLoader(localFilesHelper, activeSessionHolder)
     }
 
     override fun teardown() {
@@ -49,7 +47,8 @@ class VectorGlideModelLoaderFactory(private val context: Context,
     }
 }
 
-class VectorGlideModelLoader(private val context: Context, private val activeSessionHolder: ActiveSessionHolder)
+class VectorGlideModelLoader(private val localFilesHelper: LocalFilesHelper,
+                             private val activeSessionHolder: ActiveSessionHolder)
     : ModelLoader<ImageContentRenderer.Data, InputStream> {
     override fun handles(model: ImageContentRenderer.Data): Boolean {
         // Always handle
@@ -57,11 +56,11 @@ class VectorGlideModelLoader(private val context: Context, private val activeSes
     }
 
     override fun buildLoadData(model: ImageContentRenderer.Data, width: Int, height: Int, options: Options): ModelLoader.LoadData<InputStream>? {
-        return ModelLoader.LoadData(ObjectKey(model), VectorGlideDataFetcher(context, activeSessionHolder, model, width, height))
+        return ModelLoader.LoadData(ObjectKey(model), VectorGlideDataFetcher(localFilesHelper, activeSessionHolder, model, width, height))
     }
 }
 
-class VectorGlideDataFetcher(private val context: Context,
+class VectorGlideDataFetcher(private val localFilesHelper: LocalFilesHelper,
                              private val activeSessionHolder: ActiveSessionHolder,
                              private val data: ImageContentRenderer.Data,
                              private val width: Int,
@@ -102,8 +101,8 @@ class VectorGlideDataFetcher(private val context: Context,
 
     override fun loadData(priority: Priority, callback: DataFetcher.DataCallback<in InputStream>) {
         Timber.v("Load data: $data")
-        if (data.url.isLocalFile(context)) {
-            data.url.openInputStream(context)?.use {
+        if (localFilesHelper.isLocalFile(data.url)) {
+            localFilesHelper.openInputStream(data.url)?.use {
                 callback.onDataReady(it)
             }
             return

vector/src/main/java/im/vector/app/core/utils/FileUtils.kt

@@ -17,29 +17,13 @@
 package im.vector.app.core.utils
 
 import android.content.Context
-import android.net.Uri
-import androidx.documentfile.provider.DocumentFile
-import org.matrix.android.sdk.api.extensions.orFalse
 import timber.log.Timber
 import java.io.File
-import java.io.InputStream
 import java.util.Locale
 
 // Implementation should return true in case of success
 typealias ActionOnFile = (file: File) -> Boolean
 
-internal fun String?.isLocalFile(context: Context): Boolean {
-    return this?.let {
-        DocumentFile.fromSingleUri(context, Uri.parse(it))?.exists()
-    }.orFalse()
-}
-
-internal fun String?.openInputStream(context: Context): InputStream? {
-    return if (isLocalFile(context)) {
-        context.contentResolver.openInputStream(Uri.parse(this))
-    } else null
-}
-
 /* ==========================================================================================
  * Delete
  * ========================================================================================== */

vector/src/main/java/im/vector/app/features/home/room/detail/timeline/factory/MessageItemFactory.kt

@@ -16,7 +16,6 @@
 
 package im.vector.app.features.home.room.detail.timeline.factory
 
-import android.content.Context
 import android.text.SpannableStringBuilder
 import android.text.Spanned
 import android.text.TextPaint
@@ -27,12 +26,12 @@ import android.view.View
 import dagger.Lazy
 import im.vector.app.R
 import im.vector.app.core.epoxy.VectorEpoxyModel
+import im.vector.app.core.files.LocalFilesHelper
 import im.vector.app.core.resources.ColorProvider
 import im.vector.app.core.resources.StringProvider
 import im.vector.app.core.utils.DebouncedClickListener
 import im.vector.app.core.utils.DimensionConverter
 import im.vector.app.core.utils.containsOnlyEmojis
-import im.vector.app.core.utils.isLocalFile
 import im.vector.app.features.home.room.detail.timeline.TimelineEventController
 import im.vector.app.features.home.room.detail.timeline.helper.AvatarSizeProvider
 import im.vector.app.features.home.room.detail.timeline.helper.ContentDownloadStateTrackerBinder
@@ -95,7 +94,7 @@ import org.matrix.android.sdk.internal.crypto.model.event.EncryptedEventContent
 import javax.inject.Inject
 
 class MessageItemFactory @Inject constructor(
-        private val context: Context,
+        private val localFilesHelper: LocalFilesHelper,
         private val colorProvider: ColorProvider,
         private val dimensionConverter: DimensionConverter,
         private val timelineMediaSizeProvider: TimelineMediaSizeProvider,
@@ -207,7 +206,7 @@ class MessageItemFactory @Inject constructor(
         } ?: ""
         return MessageFileItem_()
                 .attributes(attributes)
-                .izLocalFile(fileUrl.isLocalFile(context))
+                .izLocalFile(localFilesHelper.isLocalFile(fileUrl))
                 .izDownloaded(session.fileService().isFileInCache(
                         fileUrl,
                         messageContent.getFileName(),
@@ -272,7 +271,7 @@ class MessageItemFactory @Inject constructor(
         return MessageFileItem_()
                 .attributes(attributes)
                 .leftGuideline(avatarSizeProvider.leftGuideline)
-                .izLocalFile(messageContent.getFileUrl().isLocalFile(context))
+                .izLocalFile(localFilesHelper.isLocalFile(messageContent.getFileUrl()))
                 .izDownloaded(session.fileService().isFileInCache(messageContent))
                 .mxcUrl(mxcUrl)
                 .contentUploadStateTrackerBinder(contentUploadStateTrackerBinder)

vector/src/main/java/im/vector/app/features/home/room/detail/timeline/item/MessageImageVideoItem.kt

@@ -25,8 +25,8 @@ import androidx.core.view.isVisible
 import com.airbnb.epoxy.EpoxyAttribute
 import com.airbnb.epoxy.EpoxyModelClass
 import im.vector.app.R
+import im.vector.app.core.files.LocalFilesHelper
 import im.vector.app.core.glide.GlideApp
-import im.vector.app.core.utils.isLocalFile
 import im.vector.app.features.home.room.detail.timeline.helper.ContentUploadStateTrackerBinder
 import im.vector.app.features.media.ImageContentRenderer
 import org.matrix.android.sdk.api.session.room.send.SendState
@@ -56,7 +56,7 @@ abstract class MessageImageVideoItem : AbsMessageItem<MessageImageVideoItem.Hold
         super.bind(holder)
         imageContentRenderer.render(mediaData, mode, holder.imageView)
         if (!attributes.informationData.sendState.hasFailed()) {
-            contentUploadStateTrackerBinder.bind(attributes.informationData.eventId, mediaData.url.isLocalFile(holder.view.context), holder.progressLayout)
+            contentUploadStateTrackerBinder.bind(attributes.informationData.eventId, LocalFilesHelper(holder.view.context).isLocalFile(mediaData.url), holder.progressLayout)
         } else {
             holder.progressLayout.isVisible = false
         }

vector/src/main/java/im/vector/app/features/media/ImageContentRenderer.kt

@@ -16,7 +16,6 @@
 
 package im.vector.app.features.media
 
-import android.content.Context
 import android.graphics.drawable.Drawable
 import android.net.Uri
 import android.os.Parcelable
@@ -34,12 +33,12 @@ import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView.ORIENTATION
 import com.github.piasy.biv.view.BigImageView
 import im.vector.app.R
 import im.vector.app.core.di.ActiveSessionHolder
+import im.vector.app.core.files.LocalFilesHelper
 import im.vector.app.core.glide.GlideApp
 import im.vector.app.core.glide.GlideRequest
 import im.vector.app.core.glide.GlideRequests
 import im.vector.app.core.ui.model.Size
 import im.vector.app.core.utils.DimensionConverter
-import im.vector.app.core.utils.isLocalFile
 import kotlinx.parcelize.Parcelize
 import org.matrix.android.sdk.api.extensions.tryOrNull
 import org.matrix.android.sdk.api.session.content.ContentUrlResolver
@@ -60,7 +59,7 @@ interface AttachmentData : Parcelable {
     val allowNonMxcUrls: Boolean
 }
 
-class ImageContentRenderer @Inject constructor(private val context: Context,
+class ImageContentRenderer @Inject constructor(private val localFilesHelper: LocalFilesHelper,
                                                private val activeSessionHolder: ActiveSessionHolder,
                                                private val dimensionConverter: DimensionConverter) {
 
@@ -292,7 +291,7 @@ class ImageContentRenderer @Inject constructor(private val context: Context,
 
     private fun resolveUrl(data: Data) =
             (activeSessionHolder.getActiveSession().contentUrlResolver().resolveFullSize(data.url)
-                    ?: data.url?.takeIf { data.url.isLocalFile(context) && data.allowNonMxcUrls })
+                    ?: data.url?.takeIf { localFilesHelper.isLocalFile(data.url) && data.allowNonMxcUrls })
 
     private fun processSize(data: Data, mode: Mode): Size {
         val maxImageWidth = data.maxWidth

vector/src/main/java/im/vector/app/features/media/VideoContentRenderer.kt

@@ -16,7 +16,6 @@
 
 package im.vector.app.features.media
 
-import android.content.Context
 import android.widget.ImageView
 import android.widget.ProgressBar
 import android.widget.TextView
@@ -25,7 +24,7 @@ import androidx.core.view.isVisible
 import im.vector.app.R
 import im.vector.app.core.di.ActiveSessionHolder
 import im.vector.app.core.error.ErrorFormatter
-import im.vector.app.core.utils.isLocalFile
+import im.vector.app.core.files.LocalFilesHelper
 import kotlinx.parcelize.Parcelize
 import org.matrix.android.sdk.api.MatrixCallback
 import org.matrix.android.sdk.internal.crypto.attachments.ElementToDecrypt
@@ -34,7 +33,7 @@ import java.io.File
 import java.net.URLEncoder
 import javax.inject.Inject
 
-class VideoContentRenderer @Inject constructor(private val context: Context,
+class VideoContentRenderer @Inject constructor(private val localFilesHelper: LocalFilesHelper,
                                                private val activeSessionHolder: ActiveSessionHolder,
                                                private val errorFormatter: ErrorFormatter) {
 
@@ -65,7 +64,7 @@ class VideoContentRenderer @Inject constructor(private val context: Context,
                 loadingView.isVisible = false
                 errorView.isVisible = true
                 errorView.setText(R.string.unknown_error)
-            } else if (data.url.isLocalFile(context) && data.allowNonMxcUrls) {
+            } else if (localFilesHelper.isLocalFile(data.url) && data.allowNonMxcUrls) {
                 thumbnailView.isVisible = false
                 loadingView.isVisible = false
                 videoView.isVisible = true
@@ -100,7 +99,7 @@ class VideoContentRenderer @Inject constructor(private val context: Context,
             }
         } else {
             val resolvedUrl = contentUrlResolver.resolveFullSize(data.url)
-                    ?: data.url?.takeIf { data.url.isLocalFile(context) && data.allowNonMxcUrls }
+                    ?: data.url?.takeIf { localFilesHelper.isLocalFile(data.url) && data.allowNonMxcUrls }
 
             if (resolvedUrl == null) {
                 thumbnailView.isVisible = false