47 lines
1.7 KiB
Kotlin
47 lines
1.7 KiB
Kotlin
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.fenix.share
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import android.content.Context
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import android.widget.Toast
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import android.widget.Toast.LENGTH_LONG
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import kotlinx.coroutines.DelicateCoroutinesApi
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.GlobalScope
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import kotlinx.coroutines.launch
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import mozilla.components.browser.state.action.BrowserAction
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import mozilla.components.browser.state.action.EngineAction
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import mozilla.components.browser.state.state.BrowserState
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import mozilla.components.lib.state.Action
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import mozilla.components.lib.state.Middleware
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import mozilla.components.lib.state.MiddlewareContext
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import org.mozilla.fenix.R
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/**
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* [BrowserAction] middleware reacting in response to Save to PDF related [Action]s.
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* @property context An Application context.
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*/
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class SaveToPDFMiddleware(
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private val context: Context,
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) : Middleware<BrowserState, BrowserAction> {
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@OptIn(DelicateCoroutinesApi::class)
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override fun invoke(
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ctx: MiddlewareContext<BrowserState, BrowserAction>,
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next: (BrowserAction) -> Unit,
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action: BrowserAction,
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) {
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if (action is EngineAction.SaveToPdfExceptionAction) {
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// See https://github.com/mozilla-mobile/fenix/issues/27649 for more details,
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// why a Toast is used here.
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GlobalScope.launch(Dispatchers.Main) {
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Toast.makeText(context, R.string.unable_to_save_to_pdf_error, LENGTH_LONG).show()
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}
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} else {
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next(action)
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}
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}
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}
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