1 files changed, 147 insertions, 0 deletions
diff --git a/app/src/main/kotlin/com/pitchedapps/frost/prefs/sections/ThemePrefs.kt b/app/src/main/kotlin/com/pitchedapps/frost/prefs/sections/ThemePrefs.kt
new file mode 100644
index 00000000..487827de
--- /dev/null
+++ b/app/src/main/kotlin/com/pitchedapps/frost/prefs/sections/ThemePrefs.kt
@@ -0,0 +1,147 @@
+/*
+ * Copyright 2020 Allan Wang
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.pitchedapps.frost.prefs.sections
+
+import android.graphics.Color
+import ca.allanwang.kau.kotlin.lazyResettable
+import ca.allanwang.kau.kpref.KPref
+import ca.allanwang.kau.kpref.KPrefFactory
+import ca.allanwang.kau.utils.colorToForeground
+import ca.allanwang.kau.utils.isColorVisibleOn
+import ca.allanwang.kau.utils.withAlpha
+import com.pitchedapps.frost.BuildConfig
+import com.pitchedapps.frost.enums.FACEBOOK_BLUE
+import com.pitchedapps.frost.enums.Theme
+import com.pitchedapps.frost.injectors.InjectorContract
+import com.pitchedapps.frost.prefs.OldPrefs
+import com.pitchedapps.frost.prefs.PrefsBase
+import org.koin.core.KoinComponent
+import org.koin.core.inject
+
+interface ThemePrefs : PrefsBase {
+    var theme: Int
+
+    var customTextColor: Int
+
+    var customAccentColor: Int
+
+    var customBackgroundColor: Int
+
+    var customHeaderColor: Int
+
+    var customIconColor: Int
+
+    val textColor: Int
+
+    val accentColor: Int
+
+    val accentColorForWhite: Int
+
+    val nativeBgColor: Int
+
+    fun nativeBgColor(unread: Boolean): Int
+
+    val bgColor: Int
+
+    val headerColor: Int
+
+    val iconColor: Int
+
+    val themeInjector: InjectorContract
+
+    val isCustomTheme: Boolean
+
+    var tintNavBar: Boolean
+}
+
+class ThemePrefsImpl(
+    factory: KPrefFactory
+) : KPref("${BuildConfig.APPLICATION_ID}.prefs.theme", factory),
+    ThemePrefs, KoinComponent {
+
+    private val oldPrefs: OldPrefs by inject()
+
+    override var theme: Int by kpref("theme", oldPrefs.theme /* 0 */) { _: Int ->
+        loader.invalidate()
+    }
+
+    override var customTextColor: Int by kpref(
+        "color_text",
+        oldPrefs.customTextColor /* 0xffeceff1.toInt() */
+    )
+
+    override var customAccentColor: Int by kpref(
+        "color_accent",
+        oldPrefs.customAccentColor /* 0xff0288d1.toInt() */
+    )
+
+    override var customBackgroundColor: Int by kpref(
+        "color_bg",
+        oldPrefs.customBackgroundColor /* 0xff212121.toInt() */
+    )
+
+    override var customHeaderColor: Int by kpref(
+        "color_header",
+        oldPrefs.customHeaderColor /* 0xff01579b.toInt() */
+    )
+
+    override var customIconColor: Int by kpref(
+        "color_icons",
+        oldPrefs.customIconColor /* 0xffeceff1.toInt() */
+    )
+
+    private val loader = lazyResettable { Theme.values[theme] }
+
+    private val t: Theme by loader
+
+    override val textColor: Int
+        get() = t.textColorGetter(this)
+
+    override val accentColor: Int
+        get() = t.accentColorGetter(this)
+
+    override val accentColorForWhite: Int
+        get() = when {
+            accentColor.isColorVisibleOn(Color.WHITE) -> accentColor
+            textColor.isColorVisibleOn(Color.WHITE) -> textColor
+            else -> FACEBOOK_BLUE
+        }
+
+    override val nativeBgColor: Int
+        get() = bgColor.withAlpha(30)
+
+    override fun nativeBgColor(unread: Boolean) = bgColor
+        .colorToForeground(if (unread) 0.7f else 0.0f)
+        .withAlpha(30)
+
+    override val bgColor: Int
+        get() = t.backgroundColorGetter(this)
+
+    override val headerColor: Int
+        get() = t.headerColorGetter(this)
+
+    override val iconColor: Int
+        get() = t.iconColorGetter(this)
+
+    override val themeInjector: InjectorContract
+        get() = t.injector
+
+    override val isCustomTheme: Boolean
+        get() = t == Theme.CUSTOM
+
+    override var tintNavBar: Boolean by kpref("tint_nav_bar", oldPrefs.tintNavBar /* true */)
+}