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PDF viewer

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This commit is contained in:
Matéo Duparc 2022-02-18 15:53:48 +01:00
parent 83efc53edc
commit b18232615d
Signed by untrusted user: hardcoresushi
GPG Key ID: 007F84120107191E
14 changed files with 92 additions and 17 deletions
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3
.gitmodules vendored
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@ -1,3 +1,6 @@
[submodule "app/libgocryptfs"]
path = app/libgocryptfs
url = https://forge.chapril.org/hardcoresushi/libgocryptfs.git
[submodule "libpdfviewer"]
path = libpdfviewer
url = https://forge.chapril.org/hardcoresushi/libpdfviewer.git

8
README.md
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@ -101,14 +101,10 @@ You also need to install the Android SDK build tools and the [Android NDK](https
#### Download Sources
```
$ git clone https://github.com/hardcore-sushi/DroidFS.git
```
Download [libgocryptfs](https://forge.chapril.org/hardcoresushi/libgocryptfs):
```
$ git clone --recurse-submodules https://github.com/hardcore-sushi/DroidFS.git
$ cd DroidFS
$ git submodule update --init
```
libgocryptfs needs OpenSSL:
[libgocryptfs](https://forge.chapril.org/hardcoresushi/libgocryptfs) needs OpenSSL:
```
$ cd app/libgocryptfs
$ wget https://www.openssl.org/source/openssl-1.1.1m.tar.gz

1
app/build.gradle
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@ -55,6 +55,7 @@ android {
}
dependencies {
implementation project(":libpdfviewer:app")
implementation fileTree(dir: "libs", include: ["*.jar"])
implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
implementation 'androidx.core:core-ktx:1.7.0'

3
app/src/main/AndroidManifest.xml
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@ -77,6 +77,9 @@
<activity
android:name=".file_viewers.VideoPlayer"
android:configChanges="screenSize|orientation" />
<activity
android:name=".file_viewers.PdfViewer"
android:configChanges="screenSize|orientation" />
<activity
android:name=".file_viewers.AudioPlayer"
android:configChanges="screenSize|orientation" />

4
app/src/main/java/sushi/hardcore/droidfs/ConstValues.kt
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@ -19,6 +19,7 @@ class ConstValues {
Pair("image", listOf("png", "jpg", "jpeg", "gif", "webp", "bmp")),
Pair("video", listOf("mp4", "webm", "mkv", "mov")),
Pair("audio", listOf("mp3", "ogg", "m4a", "wav", "flac")),
Pair("pdf", listOf("pdf")),
Pair("text", listOf("txt", "json", "conf", "log", "xml", "java", "kt", "py", "pl", "rb", "go", "c", "h", "cpp", "hpp", "rs", "sh", "bat", "js", "html", "css", "php", "yml", "yaml", "toml", "ini", "md", "properties"))
)
@ -35,6 +36,9 @@ class ConstValues {
fun isAudio(path: String): Boolean {
return isExtensionType("audio", path)
}
fun isPDF(path: String): Boolean {
return isExtensionType("pdf", path)
}
fun isText(path: String): Boolean {
return isExtensionType("text", path)
}

4
app/src/main/java/sushi/hardcore/droidfs/GocryptfsVolume.kt
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@ -238,8 +238,8 @@ class GocryptfsVolume(val applicationContext: Context, var sessionID: Int) {
}
}
fun loadWholeFile(fullPath: String, maxSize: Long? = null): Pair<ByteArray?, Int> {
val fileSize = getSize(fullPath)
fun loadWholeFile(fullPath: String, size: Long? = null, maxSize: Long? = null): Pair<ByteArray?, Int> {
val fileSize = size ?: getSize(fullPath)
return if (fileSize >= 0) {
maxSize?.let {
if (fileSize > it) {

2
app/src/main/java/sushi/hardcore/droidfs/adapters/ExplorerElementAdapter.kt
View File

@ -127,7 +127,7 @@ class ExplorerElementAdapter(
adapter.gocryptfsVolume?.let { volume ->
displayThumbnail = true
Thread {
volume.loadWholeFile(fullPath, 50_000_000).first?.let {
volume.loadWholeFile(fullPath, maxSize = 50_000_000).first?.let {
if (displayThumbnail) {
adapter.activity.runOnUiThread {
if (displayThumbnail) {

10
app/src/main/java/sushi/hardcore/droidfs/explorers/BaseExplorerActivity.kt
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@ -25,6 +25,7 @@ import sushi.hardcore.droidfs.BaseActivity
import sushi.hardcore.droidfs.ConstValues
import sushi.hardcore.droidfs.ConstValues.Companion.isAudio
import sushi.hardcore.droidfs.ConstValues.Companion.isImage
import sushi.hardcore.droidfs.ConstValues.Companion.isPDF
import sushi.hardcore.droidfs.ConstValues.Companion.isText
import sushi.hardcore.droidfs.ConstValues.Companion.isVideo
import sushi.hardcore.droidfs.GocryptfsVolume
@ -35,10 +36,7 @@ import sushi.hardcore.droidfs.content_providers.ExternalProvider
import sushi.hardcore.droidfs.content_providers.RestrictedFileProvider
import sushi.hardcore.droidfs.file_operations.FileOperationService
import sushi.hardcore.droidfs.file_operations.OperationFile
import sushi.hardcore.droidfs.file_viewers.AudioPlayer
import sushi.hardcore.droidfs.file_viewers.ImageViewer
import sushi.hardcore.droidfs.file_viewers.TextEditor
import sushi.hardcore.droidfs.file_viewers.VideoPlayer
import sushi.hardcore.droidfs.file_viewers.*
import sushi.hardcore.droidfs.util.PathUtils
import sushi.hardcore.droidfs.widgets.CustomAlertDialogBuilder
@ -164,6 +162,7 @@ open class BaseExplorerActivity : BaseActivity() {
"image" -> startFileViewer(ImageViewer::class.java, path)
"video" -> startFileViewer(VideoPlayer::class.java, path)
"audio" -> startFileViewer(AudioPlayer::class.java, path)
"pdf" -> startFileViewer(PdfViewer::class.java, path)
"text" -> startFileViewer(TextEditor::class.java, path)
"external" -> if (usf_open) {
openWithExternalApp(path)
@ -197,6 +196,9 @@ open class BaseExplorerActivity : BaseActivity() {
isText(fullPath) -> {
startFileViewer(TextEditor::class.java, fullPath)
}
isPDF(fullPath) -> {
startFileViewer(PdfViewer::class.java, fullPath)
}
isAudio(fullPath) -> {
startFileViewer(AudioPlayer::class.java, fullPath)
}

4
app/src/main/java/sushi/hardcore/droidfs/file_viewers/FileViewerActivity.kt
View File

@ -66,8 +66,8 @@ abstract class FileViewerActivity: BaseActivity() {
}
}
protected fun loadWholeFile(path: String): ByteArray? {
val result = gocryptfsVolume.loadWholeFile(path)
protected fun loadWholeFile(path: String, fileSize: Long? = null): ByteArray? {
val result = gocryptfsVolume.loadWholeFile(path, size = fileSize)
if (result.second != 0) {
val dialog = CustomAlertDialogBuilder(this, themeValue)
.setTitle(R.string.error)

51
app/src/main/java/sushi/hardcore/droidfs/file_viewers/PdfViewer.kt Normal file
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@ -0,0 +1,51 @@
package sushi.hardcore.droidfs.file_viewers
import android.view.Menu
import android.view.MenuItem
import android.widget.TextView
import androidx.appcompat.widget.Toolbar
import sushi.hardcore.droidfs.R
import sushi.hardcore.droidfs.databinding.ActivityPdfViewerBinding
import java.io.ByteArrayInputStream
import java.io.File
class PdfViewer: FileViewerActivity() {
private lateinit var binding: ActivityPdfViewerBinding
override fun hideSystemUi() {
//don't hide system ui
}
override fun getFileType(): String {
return "pdf"
}
override fun viewFile() {
binding = ActivityPdfViewerBinding.inflate(layoutInflater)
val toolbar = binding.root.findViewById<Toolbar>(R.id.toolbar)
setSupportActionBar(toolbar)
title = ""
val titleText = toolbar.findViewById<TextView>(R.id.title_text)
val fileName = File(filePath).name
titleText.text = fileName
binding.pdfViewer.activity = this
setContentView(binding.root)
val fileSize = gocryptfsVolume.getSize(filePath)
loadWholeFile(filePath, fileSize)?.let {
binding.pdfViewer.loadPdf(ByteArrayInputStream(it), fileName, fileSize)
}
}
override fun onCreateOptionsMenu(menu: Menu?): Boolean {
binding.pdfViewer.onCreateOptionMenu(menu)
return super.onCreateOptionsMenu(menu)
}
override fun onPrepareOptionsMenu(menu: Menu?): Boolean {
return binding.pdfViewer.onPrepareOptionsMenu(menu)
}
override fun onOptionsItemSelected(item: MenuItem): Boolean {
return binding.pdfViewer.onOptionsItemSelected(item) || super.onOptionsItemSelected(item)
}
}

14
app/src/main/res/layout/activity_pdf_viewer.xml Normal file
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@ -0,0 +1,14 @@
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<include android:id="@+id/toolbar" layout="@layout/toolbar"/>
<org.grapheneos.pdfviewer.PdfViewer
android:id="@+id/pdf_viewer"
android:layout_height="match_parent"
android:layout_width="match_parent"/>
</LinearLayout>

2
build.gradle
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@ -6,7 +6,7 @@ buildscript {
mavenCentral()
}
dependencies {
classpath 'com.android.tools.build:gradle:7.0.4'
classpath 'com.android.tools.build:gradle:7.1.1'
classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
}
}

1
libpdfviewer Submodule

@ -0,0 +1 @@
Subproject commit 4e4b7c5da4dddbc3841abd450fa250936be70f4e

2
settings.gradle
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@ -1,2 +1,2 @@
include ':app'
include ':app', ':libpdfviewer:app'
rootProject.name = "DroidFS"