...

app/src/main/java/com/base/pdfviewerscannerwhite/ui/document/pdf/PdfActivity.kt

@@ -7,6 +7,7 @@ import android.annotation.SuppressLint
 import android.content.Intent
 import android.content.pm.ActivityInfo
 import android.graphics.Color
+import android.net.Uri
 import android.util.DisplayMetrics
 import android.view.View
 import android.view.animation.Animation
@@ -29,6 +30,7 @@ import com.base.pdfviewerscannerwhite.databinding.ActivityPdfBinding
 import com.base.pdfviewerscannerwhite.helper.BaseActivity
 import com.base.pdfviewerscannerwhite.utils.KeyBoardUtils.hideKeyboard
 import com.base.pdfviewerscannerwhite.utils.KeyBoardUtils.showKeyBoard
+import com.base.pdfviewerscannerwhite.utils.LogEx
 import com.base.pdfviewerscannerwhite.utils.ToastUtils.toast
 import java.io.File
 
@@ -36,6 +38,7 @@ import java.io.File
 class PdfActivity : BaseActivity<ActivityPdfBinding>(), PdfView {
 
 
+    private val TAG = "PdfActivity"
     private lateinit var pdfPresenter: PdfPresenter
     private lateinit var pdfPageAdapter: PdfPagerAdapter
 
@@ -45,6 +48,7 @@ class PdfActivity : BaseActivity<ActivityPdfBinding>(), PdfView {
     private var uiMode = UI_MODE_NORMAL
     private var saveMode = ""
     private var path: String = ""
+    private var uri: String? = null
     private var density = 0f
 
     override val binding: ActivityPdfBinding by lazy {
@@ -59,6 +63,10 @@ class PdfActivity : BaseActivity<ActivityPdfBinding>(), PdfView {
         density = metrics.density
 
         path = intent.extras?.getString("path") ?: ""
+        uri = intent.extras?.getString("uri")
+        LogEx.logDebug(TAG, "path=$path")
+        LogEx.logDebug(TAG, "uri=$uri")
+
         val file = File(path)
         binding.tvPdfName.text = file.name
 
@@ -67,7 +75,7 @@ class PdfActivity : BaseActivity<ActivityPdfBinding>(), PdfView {
         initAdapter()
         changeNormalUI()
 
-        muPDFCore = pdfPresenter.openFile(path)
+        muPDFCore = if (uri == null) pdfPresenter.openFile(path) else pdfPresenter.openUri(uri = Uri.parse(uri))
 
 
         // 搜索设为空
@@ -81,7 +89,7 @@ class PdfActivity : BaseActivity<ActivityPdfBinding>(), PdfView {
                 pdfPageAdapter.setPassword(pwd)
                 createPdfUI()
                 binding.root.postDelayed({
-                    pdfPresenter.iniPdfPage(path)
+                    if (uri == null) pdfPresenter.iniPdfPage(path) else pdfPresenter.iniPdfPageByUri(uri ?: "")
                 }, 500)
             } else {
                 toast("unknown error")
@@ -90,7 +98,7 @@ class PdfActivity : BaseActivity<ActivityPdfBinding>(), PdfView {
         } else {
             createPdfUI()
             binding.root.postDelayed({
-                pdfPresenter.iniPdfPage(path)
+                if (uri == null) pdfPresenter.iniPdfPage(path) else pdfPresenter.iniPdfPageByUri(uri ?: "")
             }, 500)
         }
 
@@ -240,7 +248,7 @@ class PdfActivity : BaseActivity<ActivityPdfBinding>(), PdfView {
     }
 
     private fun initAdapter() {
-        pdfPageAdapter = PdfPagerAdapter(path)
+        pdfPageAdapter = PdfPagerAdapter(path, uri)
         pdfPageAdapter.clickAction = { pageIndex ->
             binding.mupdfReaderView.displayedViewIndex = pageIndex
         }
@@ -447,7 +455,6 @@ class PdfActivity : BaseActivity<ActivityPdfBinding>(), PdfView {
         binding.ivWancheng.visibility = View.VISIBLE
 
 
-
         if (binding.llHighlight == view) {
             binding.llHighlight.setBackgroundColor(Color.parseColor("#F5F5F5"))
         } else {

app/src/main/java/com/base/pdfviewerscannerwhite/ui/document/pdf/PdfBoxUtils.kt

@@ -4,7 +4,10 @@ import android.content.Context
 import android.graphics.Bitmap
 import android.graphics.drawable.BitmapDrawable
 import android.graphics.drawable.Drawable
+import android.net.Uri
+import com.base.pdfviewerscannerwhite.helper.MyApplication.Companion.context
 import com.base.pdfviewerscannerwhite.utils.LogEx
+import com.base.pdfviewerscannerwhite.utils.UriUtils.readFileToByteArray
 import com.tom_roush.pdfbox.pdmodel.PDDocument
 import com.tom_roush.pdfbox.pdmodel.encryption.AccessPermission
 import com.tom_roush.pdfbox.pdmodel.encryption.StandardProtectionPolicy
@@ -47,6 +50,15 @@ object PdfBoxUtils {
         return document.numberOfPages
     }
 
+    fun getNumberOfPagesByUri(uri: String, password: String? = null): Int {
+        val byteArray = readFileToByteArray(context, Uri.parse(uri))
+        val document = if (password == null) PDDocument.load(byteArray) else PDDocument.load(byteArray, password)
+        val count = document.numberOfPages
+        document.close()
+        return count
+    }
+
+
     fun getPdfDrawablePage(
         context: Context,
         filePath: String,
@@ -64,6 +76,28 @@ object PdfBoxUtils {
         return drawable
     }
 
+    fun getPdfDrawablePageByUri(
+        context: Context,
+        uri: String,
+        pageIndex: Int,
+        scale: Float = 1f,
+        password: String? = null
+    ): Drawable {
+        val document =
+            if (password == null)
+                PDDocument.load(readFileToByteArray(context, Uri.parse(uri)))
+            else
+                PDDocument.load(readFileToByteArray(context, Uri.parse(uri)), password)
+
+        val renderer = PDFRenderer(document)
+
+        val bitmap: Bitmap = renderer.renderImage(pageIndex, scale, ImageType.RGB, RenderDestination.EXPORT)
+
+        val drawable = BitmapDrawable(context.resources, bitmap)
+
+        return drawable
+    }
+
 
     fun checkPdfEncryption(filePath: String): Int {
         var state = 0
@@ -96,6 +130,37 @@ object PdfBoxUtils {
         return state
     }
 
+    fun checkPdfEncryptionByUri(uri: String): Int {
+        var state = 0
+        try {
+            PDDocument.load(readFileToByteArray(context, Uri.parse(uri))).use { document ->
+                if (document.isEncrypted) {
+                    println("The PDF is encrypted.")
+                    val ap = document.getCurrentAccessPermission()
+                    if (ap.canExtractContent()) {
+                        println("You are allowed to extract content.")
+                    } else {
+                        state = 1
+                        println("You are not allowed to extract content.")
+                    }
+                    if (ap.canPrint()) {
+                        println("You are allowed to print the document.")
+                    } else {
+                        println("You are not allowed to print the document.")
+                        state = 1
+                    }
+                } else {
+                    println("The PDF is not encrypted.")
+                    state = 0
+                }
+            }
+        } catch (e: IOException) {
+            e.printStackTrace()
+            state = 1
+        }
+        return state
+    }
+
     fun setPassword(
         sourceFilePath: String,
         userPassword: String,
@@ -140,10 +205,21 @@ object PdfBoxUtils {
         }
     }
 
-    fun checkPwd(filePath: String, password: String): Boolean {
+    fun checkPwd(
+        context: Context,
+        filePath: String,
+        password: String,
+        uri: String? = null
+    ): Boolean {
         try {
+            val pdfDocument =
+                if (uri == null)
+                    PDDocument.load(File(filePath), password)
+                else
+                    PDDocument.load(readFileToByteArray(context, Uri.parse(uri)) ?: byteArrayOf(), password)
+
             // 尝试使用提供的密码加载PDF文件
-            PDDocument.load(File(filePath), password).use { document ->
+            pdfDocument.use { document ->
                 // 如果没有抛出异常，说明密码正确
                 return true
             }
@@ -156,4 +232,6 @@ object PdfBoxUtils {
         }
         return false
     }
+
+
 }
\ No newline at end of file

app/src/main/java/com/base/pdfviewerscannerwhite/ui/document/pdf/PdfPagerAdapter.kt

@@ -2,6 +2,7 @@ package com.base.pdfviewerscannerwhite.ui.document.pdf
 
 import android.annotation.SuppressLint
 import android.content.Context
+import android.net.Uri
 import android.view.View
 import android.view.ViewGroup
 import android.widget.ImageView
@@ -19,6 +20,7 @@ import java.util.concurrent.TimeUnit
 
 class PdfPagerAdapter(
     val pdfPath: String,
+    val uri: String? = null,
     val itemLayout: Int = R.layout.item_pdf_pager,
 ) : BaseQuickAdapter<PdfPageBean, PdfPagerAdapter.PdfPagerViewHolder>() {
 
@@ -53,7 +55,11 @@ class PdfPagerAdapter(
                 if (item.pageDrawable != null) {
                     binding.ivPager.setImageDrawable(item.pageDrawable)
                 } else {
-                    loadPagerDrawable(context, item, binding.root, binding.ivPager)
+                    if (uri == null) {
+                        loadPagerDrawable(context, item, binding.root, binding.ivPager)
+                    } else {
+                        loadPagerDrawableByUri(context, item, binding.root, binding.ivPager)
+                    }
                 }
                 binding.root.setOnClickListener {
                     clickAction?.invoke(item.pageIndex)
@@ -100,6 +106,27 @@ class PdfPagerAdapter(
         }
     }
 
+    private fun loadPagerDrawableByUri(
+        context: Context,
+        item: PdfPageBean,
+        itemView: View,
+        iv: ImageView,
+        scale: Float = 1f
+    ) {
+        threadPoolExecutor.execute {
+            runCatching {
+                val drawable = PdfBoxUtils.getPdfDrawablePageByUri(context, uri ?: "", item.pageIndex, scale, mPassword)
+                item.pageDrawable = drawable
+                itemView.post {
+                    item.pageDrawable?.let {
+                        iv.setImageDrawable(it)
+                    }
+                }
+            }
+
+        }
+    }
+
     override fun onCreateViewHolder(context: Context, parent: ViewGroup, viewType: Int): PdfPagerViewHolder {
         return PdfPagerViewHolder(itemLayout.inflate(parent))
     }

app/src/main/java/com/base/pdfviewerscannerwhite/ui/document/pdf/PdfPresenter.kt

 package com.base.pdfviewerscannerwhite.ui.document.pdf
 
 import android.content.Context
+import android.net.Uri
 import android.os.Environment
 import com.artifex.mupdfdemo.MuPDFCore
 import com.artifex.mupdfdemo.OutlineActivityData
 import com.base.pdfviewerscannerwhite.R
+import com.base.pdfviewerscannerwhite.bean.ConstObject.MIME_TYPE_PDF
 import com.base.pdfviewerscannerwhite.bean.PdfPageBean
 import com.base.pdfviewerscannerwhite.ui.document.pdf.PdfMergeActivity.Companion.mergePdfList
 import com.base.pdfviewerscannerwhite.utils.LogEx
+import com.base.pdfviewerscannerwhite.utils.UriUtils.readFileToByteArray
 import com.tom_roush.pdfbox.multipdf.PDFMergerUtility
 import com.tom_roush.pdfbox.pdmodel.PDDocument
 import java.io.File
@@ -34,6 +37,20 @@ class PdfPresenter(
         return muPDFCore
     }
 
+    fun openUri(uri: Uri): MuPDFCore? {
+        var muPDFCore: MuPDFCore? = null
+        try {
+            muPDFCore = MuPDFCore(context, readFileToByteArray(context, uri), MIME_TYPE_PDF)
+            // 新建：删除旧的目录数据
+            OutlineActivityData.set(null)
+        } catch (e: java.lang.Exception) {
+            return null
+        } catch (e: OutOfMemoryError) {
+            return null
+        }
+        return muPDFCore
+    }
+
 
     fun iniPdfPage(filePath: String) {
         val list = arrayListOf<PdfPageBean>()
@@ -44,6 +61,15 @@ class PdfPresenter(
         pdfView?.initPdfPageRv(list)
     }
 
+    fun iniPdfPageByUri(uri: String) {
+        val list = arrayListOf<PdfPageBean>()
+        val number = PdfBoxUtils.getNumberOfPagesByUri(uri, password)
+        repeat(number) {
+            list.add(PdfPageBean(it))
+        }
+        pdfView?.initPdfPageRv(list)
+    }
+
     fun splitPdf(
         srcPath: String, newPath: String, splitIndex: List<Int>,
         finishAction: (newFile: File?) -> Unit

app/src/main/java/com/base/pdfviewerscannerwhite/ui/document/pdf/PdfSelectActivity.kt

@@ -89,12 +89,12 @@ class PdfSelectActivity : BaseActivity<ActivityPdfSelectBinding>(), DocumentView
             }
 
             if (doWhat == DO_LOCK_PDF) {
-                showPdfPwdDialog(it, null, false, encryptionAction = {
+                showPdfPwdDialog(state = it.state, path = it.path, encryptionAction = {
                     adapter.remove(it)
                 })
             }
             if (doWhat == DO_UNLOCK_PDF) {
-                showPdfPwdDialog(it, null, false, encryptionAction = {
+                showPdfPwdDialog(state = it.state, path = it.path, encryptionAction = {
                     adapter.remove(it)
                 })
             }

app/src/main/java/com/base/pdfviewerscannerwhite/ui/document/pdf/PdfSplitActivity.kt

@@ -53,7 +53,7 @@ class PdfSplitActivity : BaseActivity<ActivityPdfSplitBinding>(), PdfView {
     }
 
     private fun initAdapter() {
-        pdfPagerAdapter = PdfPagerAdapter(path, R.layout.item_pdf_pager_split)
+        pdfPagerAdapter = PdfPagerAdapter(path, null,R.layout.item_pdf_pager_split)
         pdfPagerAdapter.selectAction = { enable, allSelect ->
             binding.tvBtnSplit.isEnabled = enable
             binding.ivSelector.isSelected = allSelect

app/src/main/java/com/base/pdfviewerscannerwhite/ui/main/DocumentFragment.kt

@@ -52,15 +52,20 @@ class DocumentFragment() : BaseFragment<FragmentDocumentBinding>(), DocumentView
                 if (item.state == 0) {
                     startActivity(Intent(requireContext(), PdfActivity::class.java).apply {
                         putExtra("path", item.path)
+//                        putExtra("uri", item.uri.toString())
                     })
                 }
                 if (item.state == 1) {
-                    requireContext().showPdfPwdDialog(item, null, true, verificationAction = { pwd ->
-                        startActivity(Intent(requireContext(), PdfActivity::class.java).apply {
-                            putExtra("path", item.path)
-                            putExtra("pwd", pwd)
+                    requireContext().showPdfPwdDialog(
+                        state = item.state,
+                        path = item.path,
+                        isCheckPwd = true,
+                        verificationAction = { pwd ->
+                            startActivity(Intent(requireContext(), PdfActivity::class.java).apply {
+                                putExtra("path", item.path)
+                                putExtra("pwd", pwd)
+                            })
                         })
-                    })
                 }
 
             }

app/src/main/java/com/base/pdfviewerscannerwhite/ui/main/ToolFragment.kt

 package com.base.pdfviewerscannerwhite.ui.main
 
 import android.content.Intent
+import android.net.Uri
+import androidx.lifecycle.lifecycleScope
 import com.base.pdfviewerscannerwhite.bean.ConstObject.DO_LOCK_PDF
 import com.base.pdfviewerscannerwhite.bean.ConstObject.DO_MERGE_PDF
 import com.base.pdfviewerscannerwhite.bean.ConstObject.DO_SPLIT_PDF
 import com.base.pdfviewerscannerwhite.bean.ConstObject.DO_UNLOCK_PDF
 import com.base.pdfviewerscannerwhite.databinding.FragmentToolBinding
 import com.base.pdfviewerscannerwhite.helper.BaseFragment
+import com.base.pdfviewerscannerwhite.ui.document.pdf.PdfActivity
+import com.base.pdfviewerscannerwhite.ui.document.pdf.PdfBoxUtils
 import com.base.pdfviewerscannerwhite.ui.document.pdf.PdfSelectActivity
+import com.base.pdfviewerscannerwhite.ui.view.DialogView.showPdfPwdDialog
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
 
 
 class ToolFragment : BaseFragment<FragmentToolBinding>() {
 
+    private val TAG = "ToolFragment"
+
     override val binding: FragmentToolBinding by lazy {
         FragmentToolBinding.inflate(layoutInflater)
     }
@@ -21,6 +30,43 @@ class ToolFragment : BaseFragment<FragmentToolBinding>() {
 
     override fun setListener() {
         super.setListener()
+        binding.llManager.setOnClickListener {
+            val intent = Intent(Intent.ACTION_OPEN_DOCUMENT)
+            intent.addCategory(Intent.CATEGORY_OPENABLE)
+            intent.setType("application/pdf")
+            intent.flags = Intent.FLAG_GRANT_WRITE_URI_PERMISSION
+
+
+            (requireActivity() as MainActivity).launcher.launch(intent) {
+                val uri = it.data?.data ?: Uri.EMPTY
+
+                lifecycleScope.launch(Dispatchers.IO) {
+                    val state = PdfBoxUtils.checkPdfEncryption(uri.toString())
+                    if (state == 0) {
+                        launch(Dispatchers.Main) {
+                            startActivity(Intent(requireContext(), PdfActivity::class.java).apply {
+                                putExtra("uri", uri.toString())
+                            })
+                        }
+                    } else {
+                        launch(Dispatchers.Main) {
+                            requireContext().showPdfPwdDialog(
+                                state = state,
+                                uri = uri.toString(),
+                                isCheckPwd = true,
+                                verificationAction = { pwd ->
+                                    startActivity(Intent(requireContext(), PdfActivity::class.java).apply {
+                                        putExtra("uri", uri.toString())
+                                        putExtra("pwd", pwd)
+                                    })
+                                })
+                        }
+                    }
+                }
+
+
+            }
+        }
         binding.llMerge.setOnClickListener {
             startActivity(Intent(requireContext(), PdfSelectActivity::class.java).apply {
                 putExtra("doWhat", DO_MERGE_PDF)

app/src/main/java/com/base/pdfviewerscannerwhite/ui/view/DialogView.kt

@@ -129,7 +129,7 @@ object DialogView {
             binding.tvLock.text = "Lock PDF"
         }
         binding.llLock.setOnClickListener {
-            showPdfPwdDialog(item, dialog)
+            showPdfPwdDialog(state = item.state, path = item.path, firstDialog = dialog)
         }
         dialog.setOnDismissListener {
             dismissAction.invoke()
@@ -188,8 +188,10 @@ object DialogView {
 
     @SuppressLint("SetTextI18n")
     fun Context.showPdfPwdDialog(
-        item: DocumentBean,
-        firstDialog: Dialog?,
+        state: Int,
+        path: String = "",
+        uri: String? = null,
+        firstDialog: Dialog? = null,
         isCheckPwd: Boolean = false,
         verificationAction: ((pwd: String) -> Unit)? = null,
         encryptionAction: (() -> Unit)? = null
@@ -210,18 +212,18 @@ object DialogView {
         behavior.state = BottomSheetBehavior.STATE_EXPANDED
 
         if (!isCheckPwd) {
-            if (item.state == 1) {
+            if (state == 1) {
                 binding.tvTittle.text = "Delete Password"
                 binding.tvTip.text = "Delete password, the file is not password protected"
             }
-            if (item.state == 0) {
+            if (state == 0) {
                 binding.tvTittle.text = "Set Password"
                 binding.tvTip.text = "Set password protection pdf"
 
             }
         } else {
             binding.tvTittle.text = "Input Password"
-            val file = File(item.path)
+            val file = File(path)
             binding.tvTip.text = "${file.name} password protected"
             binding.tvInputTip.visibility = View.VISIBLE
         }
@@ -241,18 +243,18 @@ object DialogView {
             val pwd = binding.edit.text.toString()
 
             if (!isCheckPwd) {
-                if (item.state == 0) {
-                    PdfBoxUtils.setPassword(item.path, pwd, pwd)
+                if (state == 0) {
+                    PdfBoxUtils.setPassword(path, pwd, pwd)
                     toast("Success Encryption")
                     encryptionAction?.invoke()
                 }
-                if (item.state == 1) {
-                    PdfBoxUtils.clearPassword(item.path, pwd)
+                if (state == 1) {
+                    PdfBoxUtils.clearPassword(path, pwd)
                     toast("clear Encryption")
                     encryptionAction?.invoke()
                 }
             } else {
-                val result = PdfBoxUtils.checkPwd(item.path, pwd)
+                val result = PdfBoxUtils.checkPwd(this, path, pwd, uri.toString())
                 if (!result) {
                     binding.tvErrorTip.visibility = View.VISIBLE
                     return@setOnClickListener

app/src/main/java/com/base/pdfviewerscannerwhite/utils/MediaStoreUtils.kt

@@ -7,7 +7,9 @@ import android.media.MediaScannerConnection
 import android.net.Uri
 import android.os.Build
 import android.os.Environment
+import android.provider.DocumentsContract
 import android.provider.MediaStore
+import android.provider.OpenableColumns
 import com.base.pdfviewerscannerwhite.bean.ConstObject.MIME_TYPE_APK
 import com.base.pdfviewerscannerwhite.bean.ConstObject.MIME_TYPE_DOC
 import com.base.pdfviewerscannerwhite.bean.ConstObject.MIME_TYPE_DOCX
@@ -441,3 +443,23 @@ fun queryFiles(context: Context, fileSuffix: String): MutableList<File> {
     }
     return fileList
 }
+
+fun getFileNameFromUri(context: Context, uri: Uri): String {
+    var displayName = ""
+    if (DocumentsContract.isDocumentUri(context, uri)) {
+        val projection = arrayOf(OpenableColumns.DISPLAY_NAME)
+        var cursor: Cursor? = null
+        try {
+            cursor = context.contentResolver.query(uri, projection, null, null, null)
+            val column_index = cursor!!.getColumnIndexOrThrow(OpenableColumns.DISPLAY_NAME)
+            if (cursor.moveToFirst()) {
+                displayName = cursor.getString(column_index)
+            }
+        } catch (e: java.lang.Exception) {
+            e.printStackTrace()
+        } finally {
+            cursor?.close()
+        }
+    }
+    return displayName
+}
\ No newline at end of file

app/src/main/java/com/base/pdfviewerscannerwhite/utils/UriUtils.kt

+package com.base.pdfviewerscannerwhite.utils
+
+import android.content.Context
+import android.net.Uri
+import com.tom_roush.pdfbox.io.IOUtils
+import java.io.InputStream
+
+object UriUtils {
+
+    fun readFileToByteArray(context: Context, uri: Uri): ByteArray? {
+        var inputStream: InputStream? = null
+        return try {
+            inputStream = context.contentResolver.openInputStream(uri)
+            // 读取文件内容到字节数组
+            IOUtils.toByteArray(inputStream)
+        } catch (e: java.lang.Exception) {
+            e.printStackTrace()
+            null
+        } finally {
+            if (inputStream != null) {
+                try {
+                    inputStream.close()
+                } catch (e: java.lang.Exception) {
+                    e.printStackTrace()
+                }
+            }
+        }
+    }
+}
\ No newline at end of file