Update dark theme to have new screen

The dark theme preference should have it's own screen rather than being a dialog. This adds some boilerplate code that will be needed for the illustration as well as converting the current list preference to open a new screen. Test: robotests Bug: 128686189 Change-Id: I5b62276353c0d39ad2ad00d21d2280e76cceb09b
2019-03-20 10:52:52 -07:00
parent 12256ca49f
commit 1053ec04b4
10 changed files with 433 additions and 162 deletions
--- a/src/com/android/settings/display/DarkUISettingsRadioButtonsController.java
+++ b/src/com/android/settings/display/DarkUISettingsRadioButtonsController.java
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.display;
+
+import android.app.UiModeManager;
+import android.content.Context;
+import androidx.preference.Preference;
+import com.android.settings.R;
+import androidx.annotation.VisibleForTesting;
+
+public class DarkUISettingsRadioButtonsController {
+
+    public static final String KEY_DARK = "key_dark_ui_settings_dark";
+    public static final String KEY_LIGHT = "key_dark_ui_settings_light";
+
+    @VisibleForTesting
+    UiModeManager mManager;
+
+    private Preference mFooter;
+
+    public DarkUISettingsRadioButtonsController(Context context, Preference footer) {
+        mManager = context.getSystemService(UiModeManager.class);
+        mFooter = footer;
+    }
+
+    public String getDefaultKey() {
+        final int mode = mManager.getNightMode();
+        updateFooter();
+        return mode == UiModeManager.MODE_NIGHT_YES ? KEY_DARK : KEY_LIGHT;
+    }
+
+    public boolean setDefaultKey(String key) {
+        switch(key) {
+            case KEY_DARK:
+                mManager.setNightMode(UiModeManager.MODE_NIGHT_YES);
+                break;
+            case KEY_LIGHT:
+                mManager.setNightMode(UiModeManager.MODE_NIGHT_NO);
+                break;
+            default:
+                throw new IllegalStateException(
+                        "Not a valid key for " + this.getClass().getSimpleName() + ": " + key);
+        }
+        updateFooter();
+        return true;
+    }
+
+    public void updateFooter() {
+        final int mode = mManager.getNightMode();
+        switch (mode) {
+            case UiModeManager.MODE_NIGHT_YES:
+                mFooter.setSummary(R.string.dark_ui_settings_dark_summary);
+                break;
+            case UiModeManager.MODE_NIGHT_NO:
+            case UiModeManager.MODE_NIGHT_AUTO:
+            default:
+                mFooter.setSummary(R.string.dark_ui_settings_light_summary);
+        }
+    }
+
+    public static String modeToDescription(Context context, int mode) {
+        final String[] values = context.getResources().getStringArray(R.array.dark_ui_mode_entries);
+        switch (mode) {
+            case UiModeManager.MODE_NIGHT_YES:
+                return values[0];
+            case UiModeManager.MODE_NIGHT_NO:
+            case UiModeManager.MODE_NIGHT_AUTO:
+            default:
+                return values[1];
+        }
+    }
+}