Migrate WebViewActivity to Compose

2025-11-10 11:08:56 +01:00 · 2022-04-24 10:22:22 -04:00
parent 6e95fde4ec
commit 558b18899c
10 changed files with 291 additions and 258 deletions
--- a/app/src/main/java/eu/kanade/presentation/webview/WebViewScreen.kt
+++ b/app/src/main/java/eu/kanade/presentation/webview/WebViewScreen.kt
@@ -0,0 +1,152 @@
+package eu.kanade.presentation.webview
+
+import android.content.pm.ApplicationInfo
+import android.webkit.WebResourceRequest
+import android.webkit.WebView
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material.icons.filled.ArrowForward
+import androidx.compose.material.icons.filled.Close
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.LinearProgressIndicator
+import androidx.compose.material3.SmallTopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.stringResource
+import com.google.accompanist.web.AccompanistWebViewClient
+import com.google.accompanist.web.LoadingState
+import com.google.accompanist.web.WebView
+import com.google.accompanist.web.rememberWebViewNavigator
+import com.google.accompanist.web.rememberWebViewState
+import eu.kanade.presentation.components.AppBar
+import eu.kanade.presentation.components.AppBarActions
+import eu.kanade.presentation.components.AppBarTitle
+import eu.kanade.tachiyomi.BuildConfig
+import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.util.system.setDefaultSettings
+
+@Composable
+fun WebViewScreen(
+    onUp: () -> Unit,
+    initialTitle: String?,
+    url: String,
+    headers: Map<String, String> = emptyMap(),
+    onShare: (String) -> Unit,
+    onOpenInBrowser: (String) -> Unit,
+    onClearCookies: (String) -> Unit,
+) {
+    val context = LocalContext.current
+    val state = rememberWebViewState(url = url)
+    val navigator = rememberWebViewNavigator()
+
+    Column {
+        SmallTopAppBar(
+            title = {
+                AppBarTitle(
+                    title = state.pageTitle ?: initialTitle,
+                    subtitle = state.content.getCurrentUrl(),
+                )
+            },
+            navigationIcon = {
+                IconButton(onClick = onUp) {
+                    Icon(
+                        imageVector = Icons.Default.Close,
+                        contentDescription = stringResource(R.string.action_close),
+                    )
+                }
+            },
+            actions = {
+                AppBarActions(
+                    listOf(
+                        AppBar.Action(
+                            title = stringResource(R.string.action_webview_back),
+                            icon = Icons.Default.ArrowBack,
+                            onClick = {
+                                if (navigator.canGoBack) {
+                                    navigator.navigateBack()
+                                }
+                            },
+                            isEnabled = navigator.canGoBack,
+                        ),
+                        AppBar.Action(
+                            title = stringResource(R.string.action_webview_forward),
+                            icon = Icons.Default.ArrowForward,
+                            onClick = {
+                                if (navigator.canGoForward) {
+                                    navigator.navigateForward()
+                                }
+                            },
+                            isEnabled = navigator.canGoForward,
+                        ),
+                        AppBar.OverflowAction(
+                            title = stringResource(R.string.action_webview_refresh),
+                            onClick = { navigator.reload() },
+                        ),
+                        AppBar.OverflowAction(
+                            title = stringResource(R.string.action_share),
+                            onClick = { onShare(state.content.getCurrentUrl()!!) },
+                        ),
+                        AppBar.OverflowAction(
+                            title = stringResource(R.string.action_open_in_browser),
+                            onClick = { onOpenInBrowser(state.content.getCurrentUrl()!!) },
+                        ),
+                        AppBar.OverflowAction(
+                            title = stringResource(R.string.pref_clear_cookies),
+                            onClick = { onClearCookies(state.content.getCurrentUrl()!!) },
+                        ),
+                    ),
+                )
+            },
+        )
+
+        Box(modifier = Modifier.weight(1f)) {
+            val loadingState = state.loadingState
+            if (loadingState is LoadingState.Loading) {
+                LinearProgressIndicator(
+                    progress = loadingState.progress,
+                    modifier = Modifier.fillMaxWidth(),
+                )
+            }
+
+            val webClient = remember {
+                object : AccompanistWebViewClient() {
+                    override fun shouldOverrideUrlLoading(
+                        view: WebView?,
+                        request: WebResourceRequest?,
+                    ): Boolean {
+                        request?.let {
+                            view?.loadUrl(it.url.toString(), headers)
+                        }
+                        return super.shouldOverrideUrlLoading(view, request)
+                    }
+                }
+            }
+
+            WebView(
+                state = state,
+                modifier = Modifier.fillMaxSize(),
+                navigator = navigator,
+                onCreated = { webView ->
+                    webView.setDefaultSettings()
+
+                    // Debug mode (chrome://inspect/#devices)
+                    if (BuildConfig.DEBUG && 0 != context.applicationInfo.flags and ApplicationInfo.FLAG_DEBUGGABLE) {
+                        WebView.setWebContentsDebuggingEnabled(true)
+                    }
+
+                    headers["User-Agent"]?.let {
+                        webView.settings.userAgentString = it
+                    }
+                },
+                client = webClient,
+            )
+        }
+    }
+}