Android: Add on-screen fast forward button

android/app/src/main/java/com/github/stenzek/duckstation/TouchscreenControllerButtonView.java

@@ -12,12 +12,19 @@ import android.view.View;
  * TODO: document your custom view class.
  */
 public final class TouchscreenControllerButtonView extends View {
+    public enum Hotkey
+    {
+        NONE,
+        FAST_FORWARD
+    }
+
     private Drawable mUnpressedDrawable;
     private Drawable mPressedDrawable;
     private boolean mPressed = false;
     private boolean mHapticFeedback = false;
     private int mControllerIndex = -1;
     private int mButtonCode = -1;
+    private Hotkey mHotkey = Hotkey.NONE;
     private String mConfigName;
 
     public TouchscreenControllerButtonView(Context context) {
@@ -95,6 +102,10 @@ public final class TouchscreenControllerButtonView extends View {
         mButtonCode = code;
     }
 
+    public void setHotkey(Hotkey hotkey) {
+        mHotkey = hotkey;
+    }
+
     public void setConfigName(String name) {
         mConfigName = name;
     }
@@ -110,6 +121,17 @@ public final class TouchscreenControllerButtonView extends View {
     private void updateControllerState() {
         if (mButtonCode >= 0)
             AndroidHostInterface.getInstance().setControllerButtonState(mControllerIndex, mButtonCode, mPressed);
+
+        switch (mHotkey)
+        {
+            case FAST_FORWARD:
+                AndroidHostInterface.getInstance().setFastForwardEnabled(mPressed);
+                break;
+
+            case NONE:
+            default:
+                break;
+        }
     }
 
     public Drawable getPressedDrawable() {

android/app/src/main/java/com/github/stenzek/duckstation/TouchscreenControllerView.java

@@ -204,6 +204,9 @@ public class TouchscreenControllerView extends FrameLayout {
             linkAxisToButtons(mMainView, R.id.controller_axis_left, "LeftAxis", "");
 
         linkAxis(mMainView, R.id.controller_axis_right, "RightAxis", "Right");
+
+        linkHotkeyButton(mMainView, R.id.controller_button_fast_forward, TouchscreenControllerButtonView.Hotkey.FAST_FORWARD);
+
         reloadButtonTranslation();
         requestLayout();
     }
@@ -262,6 +265,15 @@ public class TouchscreenControllerView extends FrameLayout {
         return true;
     }
 
+    private void linkHotkeyButton(View view, int id, TouchscreenControllerButtonView.Hotkey hotkey) {
+        TouchscreenControllerButtonView buttonView = (TouchscreenControllerButtonView) view.findViewById(id);
+        if (buttonView == null)
+            return;
+
+        buttonView.setHotkey(hotkey);
+        mButtonViews.add(buttonView);
+    }
+
     private int dpToPixels(float dp) {
         return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, getResources().getDisplayMetrics()));
     }

android/app/src/main/res/drawable/ic_controller_fast_forward.xml

@@ -0,0 +1,17 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M0.6615,0.6614L23.7969,0.6614v23.0L0.6615,23.7969Z"
+      android:strokeAlpha="1"
+      android:strokeLineJoin="round"
+      android:strokeWidth="0.26458332"
+      android:fillColor="#00000000"
+      android:strokeColor="#e6e6e6"
+      android:strokeLineCap="round" />
+  <path
+      android:fillColor="#e6e6e6"
+      android:pathData="M4,18l8.5,-6L4,6v12zM13,6v12l8.5,-6L13,6z"/>
+</vector>

android/app/src/main/res/drawable/ic_controller_fast_forward_pressed.xml

@@ -0,0 +1,17 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M0.6615,0.6614L23.7969,0.6614v23.0L0.6615,23.7969Z"
+      android:strokeAlpha="1"
+      android:strokeLineJoin="round"
+      android:strokeWidth="0.26458332"
+      android:fillColor="#4d4d4d"
+      android:strokeColor="#e6e6e6"
+      android:strokeLineCap="round" />
+  <path
+      android:fillColor="#e6e6e6"
+      android:pathData="M4,18l8.5,-6L4,6v12zM13,6v12l8.5,-6L13,6z"/>
+</vector>

android/app/src/main/res/layout/layout_touchscreen_controller_analog_stick.xml

@@ -55,7 +55,7 @@
         android:id="@+id/controller_button_start"
         android:layout_width="40dp"
         android:layout_height="25dp"
-        android:layout_marginStart="80dp"
+        android:layout_marginStart="70dp"
         android:layout_marginBottom="8dp"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
@@ -68,7 +68,7 @@
         android:id="@+id/controller_button_select"
         android:layout_width="40dp"
         android:layout_height="25dp"
-        android:layout_marginEnd="50dp"
+        android:layout_marginEnd="70dp"
         android:layout_marginBottom="8dp"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
@@ -133,4 +133,16 @@
         android:paddingRight="20dp"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintStart_toStartOf="parent" />
+
+    <com.github.stenzek.duckstation.TouchscreenControllerButtonView
+        android:id="@+id/controller_button_fast_forward"
+        android:layout_width="35dp"
+        android:layout_height="35dp"
+        android:layout_marginBottom="50dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toStartOf="parent"
+        app:pressedDrawable="@drawable/ic_controller_fast_forward_pressed"
+        app:unpressedDrawable="@drawable/ic_controller_fast_forward" />
 </androidx.constraintlayout.widget.ConstraintLayout>

android/app/src/main/res/layout/layout_touchscreen_controller_analog_sticks.xml

@@ -55,7 +55,7 @@
         android:id="@+id/controller_button_start"
         android:layout_width="40dp"
         android:layout_height="25dp"
-        android:layout_marginStart="80dp"
+        android:layout_marginStart="70dp"
         android:layout_marginBottom="8dp"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
@@ -68,7 +68,7 @@
         android:id="@+id/controller_button_select"
         android:layout_width="40dp"
         android:layout_height="25dp"
-        android:layout_marginEnd="50dp"
+        android:layout_marginEnd="70dp"
         android:layout_marginBottom="8dp"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
@@ -198,4 +198,16 @@
         app:layout_constraintStart_toStartOf="parent"
         app:pressedDrawable="@drawable/ic_controller_up_button_pressed"
         app:unpressedDrawable="@drawable/ic_controller_up_button" />
+
+    <com.github.stenzek.duckstation.TouchscreenControllerButtonView
+        android:id="@+id/controller_button_fast_forward"
+        android:layout_width="35dp"
+        android:layout_height="35dp"
+        android:layout_marginBottom="50dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toStartOf="parent"
+        app:pressedDrawable="@drawable/ic_controller_fast_forward_pressed"
+        app:unpressedDrawable="@drawable/ic_controller_fast_forward" />
 </androidx.constraintlayout.widget.ConstraintLayout>

android/app/src/main/res/layout/layout_touchscreen_controller_digital.xml

@@ -107,7 +107,7 @@
         android:id="@+id/controller_button_start"
         android:layout_width="40dp"
         android:layout_height="25dp"
-        android:layout_marginStart="80dp"
+        android:layout_marginStart="70dp"
         android:layout_marginBottom="8dp"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
@@ -120,7 +120,7 @@
         android:id="@+id/controller_button_select"
         android:layout_width="40dp"
         android:layout_height="25dp"
-        android:layout_marginEnd="50dp"
+        android:layout_marginEnd="70dp"
         android:layout_marginBottom="8dp"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
@@ -172,4 +172,16 @@
         app:layout_constraintEnd_toEndOf="parent"
         app:pressedDrawable="@drawable/ic_controller_circle_button_pressed"
         app:unpressedDrawable="@drawable/ic_controller_circle_button" />
+
+    <com.github.stenzek.duckstation.TouchscreenControllerButtonView
+        android:id="@+id/controller_button_fast_forward"
+        android:layout_width="35dp"
+        android:layout_height="35dp"
+        android:layout_marginBottom="50dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toStartOf="parent"
+        app:pressedDrawable="@drawable/ic_controller_fast_forward_pressed"
+        app:unpressedDrawable="@drawable/ic_controller_fast_forward" />
 </androidx.constraintlayout.widget.ConstraintLayout>