1 files changed, 116 insertions, 0 deletions
diff --git a/app/src/main/java/it/niedermann/owncloud/notes/branding/BrandedSwitchPreference.java b/app/src/main/java/it/niedermann/owncloud/notes/branding/BrandedSwitchPreference.java
new file mode 100644
index 00000000..541d2f4a
--- /dev/null
+++ b/app/src/main/java/it/niedermann/owncloud/notes/branding/BrandedSwitchPreference.java
@@ -0,0 +1,116 @@
+package it.niedermann.owncloud.notes.branding;
+
+import android.content.Context;
+import android.content.res.ColorStateList;
+import android.graphics.Color;
+import android.util.AttributeSet;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Switch;
+
+import androidx.annotation.ColorInt;
+import androidx.annotation.Nullable;
+import androidx.core.graphics.drawable.DrawableCompat;
+import androidx.preference.PreferenceViewHolder;
+import androidx.preference.SwitchPreference;
+
+import it.niedermann.owncloud.notes.R;
+
+import static android.os.Build.VERSION.SDK_INT;
+import static android.os.Build.VERSION_CODES.JELLY_BEAN;
+import static it.niedermann.owncloud.notes.branding.BrandingUtil.getSecondaryForegroundColorDependingOnTheme;
+
+public class BrandedSwitchPreference extends SwitchPreference implements Branded {
+
+    @ColorInt
+    private Integer mainColor = null;
+
+    @ColorInt
+    private Integer textColor = null;
+
+    @Nullable
+    private Switch switchView;
+
+    public BrandedSwitchPreference(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
+    }
+
+    public BrandedSwitchPreference(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+    }
+
+    public BrandedSwitchPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public BrandedSwitchPreference(Context context) {
+        super(context);
+    }
+
+    @Override
+    public void onBindViewHolder(PreferenceViewHolder holder) {
+        super.onBindViewHolder(holder);
+
+        if (holder.itemView instanceof ViewGroup) {
+            switchView = findSwitchWidget(holder.itemView);
+            if (mainColor != null && textColor != null) {
+                applyBrand();
+            }
+        }
+    }
+
+    @Override
+    public void applyBrand(@ColorInt int mainColor, @ColorInt int textColor) {
+        if (BrandingUtil.isBrandingEnabled(getContext())) {
+            this.mainColor = mainColor;
+            this.textColor = textColor;
+        } else {
+            this.mainColor = getContext().getResources().getColor(R.color.defaultBrand);
+            this.textColor = Color.WHITE;
+        }
+        // onBindViewHolder is called after applyBrand, therefore we have to store the given values and apply them later.
+        applyBrand();
+    }
+
+    private void applyBrand() {
+        if (switchView != null && SDK_INT >= JELLY_BEAN) {
+            final int finalMainColor = getSecondaryForegroundColorDependingOnTheme(getContext(), mainColor);
+            // int trackColor = Color.argb(77, Color.red(finalMainColor), Color.green(finalMainColor), Color.blue(finalMainColor));
+            DrawableCompat.setTintList(switchView.getThumbDrawable(), new ColorStateList(
+                    new int[][]{new int[]{android.R.attr.state_checked}, new int[]{}},
+                    new int[]{finalMainColor, getContext().getResources().getColor(R.color.fg_default_low)}
+            ));
+            DrawableCompat.setTintList(switchView.getTrackDrawable(), new ColorStateList(
+                    new int[][]{new int[]{android.R.attr.state_checked}, new int[]{}},
+                    new int[]{finalMainColor, getContext().getResources().getColor(R.color.fg_default_low)}
+            ));
+        }
+    }
+
+    /**
+     * Recursively go through view tree until we find an android.widget.Switch
+     *
+     * @param view Root view to start searching
+     * @return A Switch class or null
+     * @see <a href="https://gist.github.com/marchold/45e22839eb94aa14dfb5">Source</a>
+     */
+    private Switch findSwitchWidget(View view) {
+        if (view instanceof Switch) {
+            return (Switch) view;
+        }
+        if (view instanceof ViewGroup) {
+            ViewGroup viewGroup = (ViewGroup) view;
+            for (int i = 0; i < viewGroup.getChildCount(); i++) {
+                View child = viewGroup.getChildAt(i);
+                if (child instanceof ViewGroup) {
+                    Switch result = findSwitchWidget(child);
+                    if (result != null) return result;
+                }
+                if (child instanceof Switch) {
+                    return (Switch) child;
+                }
+            }
+        }
+        return null;
+    }
+}