feat: add Mastodon Redirect support and "Open Link" share target

app/src/main/AndroidManifest.xml

@@ -58,55 +58,77 @@
         <activity
             android:name=".MainActivity"
             android:configChanges="orientation|screenSize|keyboardHidden|screenLayout|smallestScreenSize"
+            android:launchMode="singleTask"
             android:exported="true">
 
-            <intent-filter>
+            <intent-filter android:label="@string/action_compose">
                 <action android:name="android.intent.action.SEND" />
 
                 <category android:name="android.intent.category.DEFAULT" />
 
                 <data android:mimeType="text/plain" />
             </intent-filter>
-            <intent-filter>
+            <intent-filter android:label="@string/action_compose">
                 <action android:name="android.intent.action.SEND" />
 
                 <category android:name="android.intent.category.DEFAULT" />
 
                 <data android:mimeType="image/*" />
             </intent-filter>
-            <intent-filter>
+            <intent-filter android:label="@string/action_compose">
                 <action android:name="android.intent.action.SEND" />
 
                 <category android:name="android.intent.category.DEFAULT" />
 
                 <data android:mimeType="video/*" />
             </intent-filter>
-            <intent-filter>
+            <intent-filter android:label="@string/action_compose">
                 <action android:name="android.intent.action.SEND_MULTIPLE" />
 
                 <category android:name="android.intent.category.DEFAULT" />
 
                 <data android:mimeType="image/*" />
             </intent-filter>
-            <intent-filter>
+            <intent-filter android:label="@string/action_compose">
                 <action android:name="android.intent.action.SEND_MULTIPLE" />
 
                 <category android:name="android.intent.category.DEFAULT" />
 
                 <data android:mimeType="video/*" />
             </intent-filter>
-            <intent-filter>
+            <intent-filter android:label="@string/action_compose">
                 <action android:name="android.intent.action.SEND" />
 
                 <category android:name="android.intent.category.DEFAULT" />
 
                 <data android:mimeType="audio/*" />
             </intent-filter>
 
+            <intent-filter>
+                <action android:name="dev.zwander.mastodonredirect.intent.action.OPEN_FEDI_LINK" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+
             <meta-data
                 android:name="android.service.chooser.chooser_target_service"
                 android:value="androidx.sharetarget.ChooserTargetServiceCompat" />
 
+        </activity>
+        <activity
+            android:name=".components.view.ViewLinkActivity"
+            android:excludeFromRecents="true"
+            android:exported="true"
+            android:theme="@style/NullTheme">
+
+            <intent-filter android:label="@string/open_link">
+                <action android:name="android.intent.action.SEND" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+
+                <data android:mimeType="text/plain" />
+            </intent-filter>
+
         </activity>
         <activity
             android:name=".components.compose.ComposeActivity"

app/src/main/java/app/pachli/MainActivity.kt

@@ -526,9 +526,17 @@ class MainActivity : BottomSheetActivity(), ActionButtonActivity, MenuProvider {
             if (redirectUrl != null) {
                 viewUrl(redirectUrl, PostLookupFallbackBehavior.DISPLAY_ERROR)
             }
+
+            handleMastodonRedirectIntent(intent)
         }
     }
 
+    override fun onNewIntent(intent: Intent?) {
+        super.onNewIntent(intent)
+
+        handleMastodonRedirectIntent(intent)
+    }
+
     private fun forwardToComposeActivity(intent: Intent) {
         val composeOptions = ComposeActivityIntent.getOptions(intent)
 
@@ -1231,6 +1239,14 @@ class MainActivity : BottomSheetActivity(), ActionButtonActivity, MenuProvider {
         }
     }
 
+    private fun handleMastodonRedirectIntent(intent: Intent?) {
+        if (intent?.action == "dev.zwander.mastodonredirect.intent.action.OPEN_FEDI_LINK") {
+            intent.dataString?.let { url ->
+                viewUrl(url, PostLookupFallbackBehavior.OPEN_IN_BROWSER)
+            }
+        }
+    }
+
     companion object {
         private const val DRAWER_ITEM_ADD_ACCOUNT: Long = -13
         private const val DRAWER_ITEM_ANNOUNCEMENTS: Long = 14

app/src/main/java/app/pachli/components/view/ViewLinkActivity.kt

@@ -0,0 +1,26 @@
+package app.pachli.components.view
+
+import android.content.Intent
+import android.net.Uri
+import android.os.Bundle
+import app.pachli.core.activity.BaseActivity
+import app.pachli.core.navigation.MainActivityIntent
+import dagger.hilt.android.AndroidEntryPoint
+
+@AndroidEntryPoint
+class ViewLinkActivity : BaseActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        if (intent?.action == Intent.ACTION_SEND) {
+            val link = intent.getStringExtra(Intent.EXTRA_TEXT)
+
+            val launchIntent = MainActivityIntent(this)
+            launchIntent.action = "dev.zwander.mastodonredirect.intent.action.OPEN_FEDI_LINK"
+            launchIntent.data = link?.let { Uri.parse(it) }
+
+            startActivity(launchIntent)
+            finish()
+        }
+    }
+}

app/src/main/res/values/strings.xml

@@ -698,10 +698,10 @@
     <string name="pref_title_update_check_now">Check for update now</string>
     <string name="pref_update_check_no_updates">There are no updates available</string>
     <string name="pref_update_next_scheduled_check">Next scheduled check: %1$s</string>
+    <string name="open_link">Open Link</string>
     <string name="error_media_download">Could not download %1$s: %2$d %3$s</string>
     <string name="action_add_to_tab">Add to tab</string>
     <string name="action_add_to_tab_success">Added \'%1$s\' to tabs</string>
     <string name="action_remove_tab">Remove tab</string>
     <string name="action_manage_tabs">Manage tabs</string>
-
 </resources>

core/activity/src/main/kotlin/app/pachli/core/activity/BottomSheetActivity.kt

@@ -118,6 +118,7 @@ abstract class BottomSheetActivity : BaseActivity() {
         when (fallbackBehavior) {
             PostLookupFallbackBehavior.OPEN_IN_BROWSER -> openLink(url)
             PostLookupFallbackBehavior.DISPLAY_ERROR -> Toast.makeText(this, getString(R.string.post_lookup_error_format, url), Toast.LENGTH_SHORT).show()
+            PostLookupFallbackBehavior.OPEN_IN_BROWSER_FORCED -> openLink(url, true)
         }
     }
 
@@ -151,8 +152,8 @@ abstract class BottomSheetActivity : BaseActivity() {
     }
 
     @VisibleForTesting(otherwise = VisibleForTesting.PROTECTED)
-    open fun openLink(url: String) {
-        (this as Context).openLink(url)
+    open fun openLink(url: String, forceBrowser: Boolean = false) {
+        (this as Context).openLink(url, forceBrowser)
     }
 
     private fun showQuerySheet() {
@@ -217,4 +218,5 @@ abstract class BottomSheetActivity : BaseActivity() {
 enum class PostLookupFallbackBehavior {
     OPEN_IN_BROWSER,
     DISPLAY_ERROR,
+    OPEN_IN_BROWSER_FORCED,
 }

core/activity/src/main/kotlin/app/pachli/core/activity/LinkHelper.kt

@@ -37,7 +37,7 @@ import timber.log.Timber
  * @param uri the uri to open
  * @param context context
  */
-fun openLinkInCustomTab(uri: Uri, context: Context) {
+fun openLinkInCustomTab(uri: Uri, context: Context, forceBrowser: Boolean = false) {
     val toolbarColor = MaterialColors.getColor(context, com.google.android.material.R.attr.colorSurface, Color.BLACK)
     val navigationbarColor = MaterialColors.getColor(context, android.R.attr.navigationBarColor, Color.BLACK)
     val navigationbarDividerColor = MaterialColors.getColor(context, com.google.android.material.R.attr.dividerColor, Color.BLACK)
@@ -55,7 +55,7 @@ fun openLinkInCustomTab(uri: Uri, context: Context) {
         customTabsIntent.launchUrl(context, uri)
     } catch (e: ActivityNotFoundException) {
         Timber.w(e, "Activity was not found for intent %s", customTabsIntent)
-        openLinkInBrowser(uri, context)
+        openLinkInBrowser(uri, context, forceBrowser)
     }
 }
 
@@ -65,8 +65,14 @@ fun openLinkInCustomTab(uri: Uri, context: Context) {
  * @param uri the uri to open
  * @param context context
  */
-private fun openLinkInBrowser(uri: Uri?, context: Context) {
+private fun openLinkInBrowser(uri: Uri?, context: Context, forceBrowser: Boolean = false) {
     val intent = Intent(Intent.ACTION_VIEW, uri)
+
+    if (forceBrowser) {
+        // Forces the link to open in the browser instead of another deep-linked app.
+        intent.selector = Intent(Intent.ACTION_VIEW, Uri.parse("https://"))
+    }
+
     try {
         context.startActivity(intent)
     } catch (e: ActivityNotFoundException) {
@@ -80,13 +86,13 @@ private fun openLinkInBrowser(uri: Uri?, context: Context) {
  * @receiver the Context to open the link from
  * @param url a string containing the url to open
  */
-fun Context.openLink(url: String) {
+fun Context.openLink(url: String, forceBrowser: Boolean = false) {
     val uri = url.toUri().normalizeScheme()
     val useCustomTabs = PreferenceManager.getDefaultSharedPreferences(this).getBoolean(PrefKeys.CUSTOM_TABS, false)
 
     if (useCustomTabs) {
-        openLinkInCustomTab(uri, this)
+        openLinkInCustomTab(uri, this, forceBrowser)
     } else {
-        openLinkInBrowser(uri, this)
+        openLinkInBrowser(uri, this, forceBrowser)
     }
 }

core/activity/src/test/kotlin/app/pachli/core/activity/BottomSheetActivityTest.kt

@@ -259,7 +259,7 @@ class BottomSheetActivityTest {
             bottomSheet = mock()
         }
 
-        override fun openLink(url: String) {
+        override fun openLink(url: String, forceBrowser: Boolean) {
             this.link = url
         }
 

core/designsystem/src/main/res/values/styles.xml

@@ -188,4 +188,17 @@
     <style name="snackbar_text" parent="@style/Widget.MaterialComponents.Snackbar.TextView">
         <item name="android:maxLines">5</item>
     </style>
+
+    <style name="NullTheme" parent="Theme.Material3.DynamicColors.DayNight">
+        <item name="android:windowIsTranslucent">true</item>
+        <item name="android:windowBackground">@android:color/transparent</item>
+        <item name="android:windowContentOverlay">@null</item>
+        <item name="android:windowNoTitle">true</item>
+        <item name="android:windowIsFloating">true</item>
+        <item name="android:backgroundDimEnabled">false</item>
+        <item name="android:windowEnterAnimation">@null</item>
+        <item name="android:windowExitAnimation">@null</item>
+        <item name="android:windowNoDisplay">true</item>
+        <item name="android:windowActionBar">false</item>
+    </style>
 </resources>