add support for S Pen actions (#4029)

app/src/main/AndroidManifest.xml

@@ -60,7 +60,14 @@
         </activity>
         <activity
             android:name=".ui.reader.ReaderActivity"
-            android:launchMode="singleTask" />
+            android:launchMode="singleTask">
+            <intent-filter>
+                <action android:name="com.samsung.android.support.REMOTE_ACTION" />
+            </intent-filter>
+
+            <meta-data android:name="com.samsung.android.support.REMOTE_ACTION"
+                android:resource="@xml/s_pen_actions"/>
+        </activity>
         <activity
             android:name=".ui.security.BiometricUnlockActivity"
             android:theme="@style/Theme.Splash" />

app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderActivity.kt

@@ -261,6 +261,17 @@ class ReaderActivity : BaseRxActivity<ReaderActivityBinding, ReaderPresenter>()
         super.onBackPressed()
     }
 
+    override fun onKeyUp(keyCode: Int, event: KeyEvent?): Boolean {
+        if (keyCode == KeyEvent.KEYCODE_N) {
+            presenter.loadNextChapter()
+            return true
+        } else if (keyCode == KeyEvent.KEYCODE_P) {
+            presenter.loadPreviousChapter()
+            return true
+        }
+        return super.onKeyUp(keyCode, event)
+    }
+
     /**
      * Dispatches a key event. If the viewer doesn't handle it, call the default implementation.
      */

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/PagerViewer.kt

@@ -324,6 +324,7 @@ abstract class PagerViewer(val activity: ReaderActivity) : BaseViewer {
      */
     override fun handleKeyEvent(event: KeyEvent): Boolean {
         val isUp = event.action == KeyEvent.ACTION_UP
+        val ctrlPressed = event.metaState.and(KeyEvent.META_CTRL_ON) > 0
 
         when (event.keyCode) {
             KeyEvent.KEYCODE_VOLUME_DOWN -> {
@@ -340,8 +341,16 @@ abstract class PagerViewer(val activity: ReaderActivity) : BaseViewer {
                     if (!config.volumeKeysInverted) moveUp() else moveDown()
                 }
             }
-            KeyEvent.KEYCODE_DPAD_RIGHT -> if (isUp) moveRight()
+            KeyEvent.KEYCODE_DPAD_RIGHT -> {
-            KeyEvent.KEYCODE_DPAD_LEFT -> if (isUp) moveLeft()
+                if (isUp) {
+                    if (ctrlPressed) moveToNext() else moveRight()
+                }
+            }
+            KeyEvent.KEYCODE_DPAD_LEFT -> {
+                if (isUp) {
+                    if (ctrlPressed) moveToPrevious() else moveLeft()
+                }
+            }
             KeyEvent.KEYCODE_DPAD_DOWN -> if (isUp) moveDown()
             KeyEvent.KEYCODE_DPAD_UP -> if (isUp) moveUp()
             KeyEvent.KEYCODE_PAGE_DOWN -> if (isUp) moveDown()

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

@@ -401,4 +401,6 @@
     <string name="label_more">Více</string>
     <string name="action_menu">Menu</string>
     <string name="label_sources">Zdroje</string>
+    <string name="spen_previous_page">Předchozí stránka</string>
+    <string name="spen_next_page">Následující stránka</string>
 </resources>

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

@@ -719,4 +719,8 @@
     <string name="tapping_inverted_vertical">Vertical</string>
     <string name="tapping_inverted_both">Both</string>
 
+    <!-- S Pen actions -->
+    <string name="spen_previous_page">Previous page</string>
+    <string name="spen_next_page">Next page</string>
+
 </resources>

app/src/main/res/xml/s_pen_actions.xml

@@ -0,0 +1,60 @@
+<?xml version="1.0" encoding="utf-8"?>
+<remote-actions
+    actionset_label="@string/app_name"
+    version="1.2">
+    <action
+        id="tachiyomi_next_page"
+        label="@string/spen_next_page"
+        priority="1"
+        repeatable="true"
+        repeatable_interval="short"
+        trigger_key="CTRL_LEFT+DPAD_RIGHT">
+        <preference
+            name="gesture"
+            value="click" />
+    </action>
+    <action
+        id="tachiyomi_previous_page"
+        label="@string/spen_previous_page"
+        priority="2"
+        repeatable="true"
+        repeatable_interval="short"
+        trigger_key="CTRL_LEFT+DPAD_LEFT">
+        <preference
+            name="gesture"
+            value="double_click" />
+    </action>
+    <action
+        id="tachiyomi_back"
+        label="@string/action_webview_back"
+        priority="3"
+        repeatable="true"
+        repeatable_interval="short"
+        trigger_key="BACK">
+        <preference
+            name="gesture"
+            value="circle_ccw" />
+    </action>
+    <action
+        id="tachiyomi_next_chapter"
+        label="@string/action_next_chapter"
+        priority="4"
+        repeatable="true"
+        repeatable_interval="short"
+        trigger_key="N">
+        <preference
+            name="gesture"
+            value="swipe_right" />
+    </action>
+    <action
+        id="tachiyomi_previous_chapter"
+        label="@string/action_previous_chapter"
+        priority="5"
+        repeatable="true"
+        repeatable_interval="short"
+        trigger_key="P">
+        <preference
+            name="gesture"
+            value="swipe_left" />
+    </action>
+</remote-actions>