Application Policy

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/*
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 *   Copyright © 2020-2026 PSPDFKit GmbH. All rights reserved.
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 *
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 *   The PSPDFKit Sample applications are licensed with a modified BSD license.
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 *   Please see License for details. This notice may not be removed from this file.
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 */
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package com.pspdfkit.catalog.examples.kotlin
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import android.content.Context
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import android.net.Uri
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import com.pspdfkit.Nutrient
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import com.pspdfkit.catalog.R
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import com.pspdfkit.catalog.SdkExample
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import com.pspdfkit.catalog.tasks.ExtractAssetTask
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import com.pspdfkit.configuration.activity.PdfActivityConfiguration
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import com.pspdfkit.configuration.policy.ApplicationPolicy
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import com.pspdfkit.ui.PdfActivityIntentBuilder
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/**
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 * Example of how to customize application policy preventing copy/paste action.
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 */
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class CustomApplicationPolicyExample(context: Context) :
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    SdkExample(context, R.string.customApplicationPolicyExampleTitle, R.string.customApplicationPolicyExampleDescription) {
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    override fun launchExample(context: Context, configuration: PdfActivityConfiguration.Builder) {
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        // To customize the application policy we extend ApplicationPolicy.
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        val customApplicationPolicy = CustomApplicationPolicy()
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        // Application policy needs to be set before documents are loaded.
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        Nutrient.setApplicationPolicy(customApplicationPolicy)
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        // We use a custom utility class to extract the example document from the assets.
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        ExtractAssetTask.extract(WELCOME_DOC, title, context) { documentFile ->
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            // Open the example document in PdfActivity.
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            val intent =
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                PdfActivityIntentBuilder
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                    .fromUri(context, Uri.fromFile(documentFile))
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                    .configuration(configuration.build())
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                    .build()
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            context.startActivity(intent)
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        }
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    }
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}
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/**
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 * Custom Application policy that disables text copy and paste.
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 */
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class CustomApplicationPolicy : ApplicationPolicy() {
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    override fun hasPermissionForEvent(event: PolicyEvent): Boolean = when (event) {
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        PolicyEvent.TEXT_COPY_PASTE -> {
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            // Disable text copy/paste policy.
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            false
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        }
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        else -> {
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            // Enable remaining policies.
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            true
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        }
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    }
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}