Convert webview into an activity (#2470)

Based on https://github.com/Jays2Kings/tachiyomiJ2K/commit/65804ebb3aca0a79377167334ff842c0789440f3
2020-01-10 22:22:12 -05:00
parent 8f82c8ad3d
commit 797553ce16
16 changed files with 229 additions and 136 deletions
@@ -0,0 +1,115 @@
+package eu.kanade.tachiyomi.ui.webview
+
+import android.content.Context
+import android.content.Intent
+import android.graphics.Bitmap
+import android.graphics.Color
+import android.os.Bundle
+import android.view.Menu
+import android.view.MenuItem
+import android.webkit.WebView
+import androidx.core.graphics.ColorUtils
+import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.source.SourceManager
+import eu.kanade.tachiyomi.source.online.HttpSource
+import eu.kanade.tachiyomi.ui.base.activity.BaseActivity
+import eu.kanade.tachiyomi.util.WebViewClientCompat
+import kotlinx.android.synthetic.main.webview_activity.toolbar
+import kotlinx.android.synthetic.main.webview_activity.webview
+import uy.kohesive.injekt.injectLazy
+
+
+class WebViewActivity : BaseActivity() {
+
+    private val sourceManager by injectLazy<SourceManager>()
+
+    private var bundle: Bundle? = null
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.webview_activity)
+
+        title = intent.extras?.getString(TITLE_KEY)
+        setSupportActionBar(toolbar)
+        supportActionBar?.setDisplayHomeAsUpEnabled(true)
+        toolbar.setNavigationOnClickListener {
+            super.onBackPressed()
+        }
+
+        if (bundle == null) {
+            val source = sourceManager.get(intent.extras!!.getLong(SOURCE_KEY)) as? HttpSource ?: return
+            val url = intent.extras!!.getString(URL_KEY) ?: return
+            val headers = source.headers.toMultimap().mapValues { it.value.getOrNull(0) ?: "" }
+
+            webview.webViewClient = object : WebViewClientCompat() {
+                override fun shouldOverrideUrlCompat(view: WebView, url: String): Boolean {
+                    view.loadUrl(url)
+                    return true
+                }
+
+                override fun onPageFinished(view: WebView?, url: String?) {
+                    super.onPageFinished(view, url)
+                    invalidateOptionsMenu()
+                    title = view?.title
+                }
+
+                override fun onPageStarted(view: WebView?, url: String?, favicon: Bitmap?) {
+                    super.onPageStarted(view, url, favicon)
+                    invalidateOptionsMenu()
+                }
+            }
+            webview.settings.javaScriptEnabled = true
+            webview.settings.userAgentString = source.headers["User-Agent"]
+            webview.loadUrl(url, headers)
+        } else {
+            webview.restoreState(bundle)
+        }
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu): Boolean {
+        menuInflater.inflate(R.menu.webview, menu)
+        return true
+    }
+
+    override fun onPrepareOptionsMenu(menu: Menu?): Boolean {
+        val backItem = toolbar.menu.findItem(R.id.action_web_back)
+        val forwardItem = toolbar.menu.findItem(R.id.action_web_forward)
+        backItem?.isEnabled = webview.canGoBack()
+        forwardItem?.isEnabled = webview.canGoForward()
+
+        val translucentWhite = ColorUtils.setAlphaComponent(Color.WHITE, 127)
+        backItem.icon?.setTint(if (webview.canGoBack()) Color.WHITE else translucentWhite)
+        forwardItem?.icon?.setTint(if (webview.canGoForward()) Color.WHITE else translucentWhite)
+
+        return super.onPrepareOptionsMenu(menu)
+    }
+
+    override fun onBackPressed() {
+        if (webview.canGoBack()) webview.goBack()
+        else super.onBackPressed()
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        when (item.itemId) {
+            R.id.action_web_back -> webview.goBack()
+            R.id.action_web_forward -> webview.goForward()
+            R.id.action_web_refresh -> webview.reload()
+        }
+        return super.onOptionsItemSelected(item)
+    }
+
+    companion object {
+        private const val SOURCE_KEY = "source_key"
+        private const val URL_KEY = "url_key"
+        private const val TITLE_KEY = "title_key"
+
+        fun newIntent(context: Context, sourceId: Long, url: String, title: String?): Intent {
+            val intent = Intent(context, WebViewActivity::class.java)
+            intent.putExtra(SOURCE_KEY, sourceId)
+            intent.putExtra(URL_KEY, url)
+            intent.putExtra(TITLE_KEY, title)
+            intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
+            return intent
+        }
+    }
+}