Implement Flash Notifications UI for Settings app.

Bug: 237628564 Test: make RunSettingsRoboTests ROBOTEST_FILTER=CameraFlashNotificationPreferenceControllerTest Test: make RunSettingsRoboTests ROBOTEST_FILTER=ColorSelectorLayoutTest Test: make RunSettingsRoboTests ROBOTEST_FILTER=FlashNotificationsPreferenceControllerTest Test: make RunSettingsRoboTests ROBOTEST_FILTER=FlashNotificationsPreferenceFragmentTest Test: make RunSettingsRoboTests ROBOTEST_FILTER=FlashNotificationsPreviewPreferenceControllerTest Test: make RunSettingsRoboTests ROBOTEST_FILTER=FlashNotificationsPreviewPreferenceTest Test: make RunSettingsRoboTests ROBOTEST_FILTER=FlashNotificationsUtilTest Test: make RunSettingsRoboTests ROBOTEST_FILTER=ScreenFlashNotificationColorDialogFragmentTest Test: make RunSettingsRoboTests ROBOTEST_FILTER=ScreenFlashNotificationColorTest Change-Id: I0987590ddfcfd0873ec419db263f6a7eade81844 Signed-off-by: yw.bae <yw.bae@samsung.corp-partner.google.com> Signed-off-by: Angela Wang <angelala@google.com>
2023-01-06 22:49:14 +09:00
parent 8750e58ed6
commit f763c25c1e
68 changed files with 4058 additions and 0 deletions
--- a/src/com/android/settings/accessibility/FlashNotificationsUtil.java
+++ b/src/com/android/settings/accessibility/FlashNotificationsUtil.java
@@ -0,0 +1,141 @@
+/*
+ * Copyright (C) 2023 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.accessibility;
+
+import static com.android.settings.accessibility.AccessibilityUtil.State.OFF;
+
+import android.content.Context;
+import android.hardware.camera2.CameraAccessException;
+import android.hardware.camera2.CameraCharacteristics;
+import android.hardware.camera2.CameraManager;
+import android.provider.Settings;
+import android.util.Log;
+
+import androidx.annotation.ColorInt;
+import androidx.annotation.IntDef;
+import androidx.annotation.NonNull;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+class FlashNotificationsUtil {
+    static final String LOG_TAG = "FlashNotificationsUtil";
+    static final String ACTION_FLASH_NOTIFICATION_START_PREVIEW =
+            "com.android.internal.intent.action.FLASH_NOTIFICATION_START_PREVIEW";
+    static final String ACTION_FLASH_NOTIFICATION_STOP_PREVIEW =
+            "com.android.internal.intent.action.FLASH_NOTIFICATION_STOP_PREVIEW";
+    static final String EXTRA_FLASH_NOTIFICATION_PREVIEW_COLOR =
+            "com.android.internal.intent.extra.FLASH_NOTIFICATION_PREVIEW_COLOR";
+    static final String EXTRA_FLASH_NOTIFICATION_PREVIEW_TYPE =
+            "com.android.internal.intent.extra.FLASH_NOTIFICATION_PREVIEW_TYPE";
+
+    static final String SETTING_KEY_CAMERA_FLASH_NOTIFICATION =
+            "camera_flash_notification";
+    static final String SETTING_KEY_SCREEN_FLASH_NOTIFICATION =
+            "screen_flash_notification";
+    static final String SETTING_KEY_SCREEN_FLASH_NOTIFICATION_COLOR =
+            "screen_flash_notification_color_global";
+
+    static final int TYPE_SHORT_PREVIEW = 0;
+    static final int TYPE_LONG_PREVIEW = 1;
+
+    static final int DEFAULT_SCREEN_FLASH_COLOR =
+            ScreenFlashNotificationColor.YELLOW.mColorInt;
+
+
+    @Retention(RetentionPolicy.SOURCE)
+    @IntDef({
+            FlashNotificationsUtil.State.OFF,
+            FlashNotificationsUtil.State.CAMERA,
+            FlashNotificationsUtil.State.SCREEN,
+            FlashNotificationsUtil.State.CAMERA_SCREEN,
+    })
+    @interface State {
+        int OFF = 0;
+        int CAMERA = 1;
+        int SCREEN = 2;
+        int CAMERA_SCREEN = 3;
+    }
+
+    static boolean isTorchAvailable(@NonNull Context context) {
+        // TODO This is duplicated logic of FlashNotificationsController.getCameraId.
+        final CameraManager cameraManager = context.getSystemService(CameraManager.class);
+        if (cameraManager == null) return false;
+
+        try {
+            final String[] ids = cameraManager.getCameraIdList();
+
+            for (String id : ids) {
+                final CameraCharacteristics c = cameraManager.getCameraCharacteristics(id);
+
+                final Boolean flashAvailable = c.get(CameraCharacteristics.FLASH_INFO_AVAILABLE);
+                if (flashAvailable == null) continue;
+
+                final Integer lensFacing = c.get(CameraCharacteristics.LENS_FACING);
+                if (lensFacing == null) continue;
+
+                if (flashAvailable && lensFacing == CameraCharacteristics.LENS_FACING_BACK) {
+                    return true;
+                }
+            }
+        } catch (CameraAccessException ignored) {
+            Log.w(LOG_TAG, "Failed to get valid camera for camera flash notification.");
+        }
+        return false;
+    }
+
+    static ScreenFlashNotificationColor getScreenColor(@ColorInt int colorInt)
+            throws ScreenColorNotFoundException {
+
+        colorInt |= ScreenFlashNotificationColor.ALPHA_MASK;
+        for (ScreenFlashNotificationColor color : ScreenFlashNotificationColor.values()) {
+            if (colorInt == color.mOpaqueColorInt) {
+                return color;
+            }
+        }
+
+        throw new ScreenColorNotFoundException();
+    }
+
+    @NonNull
+    static String getColorDescriptionText(@NonNull Context context, @ColorInt int color) {
+        try {
+            return context.getString(getScreenColor(color).mStringRes);
+        } catch (ScreenColorNotFoundException e) {
+            return "";
+        }
+    }
+
+    @State
+    static int getFlashNotificationsState(Context context) {
+        if (context == null) {
+            return State.OFF;
+        }
+
+        final boolean isTorchAvailable = FlashNotificationsUtil.isTorchAvailable(context);
+        final boolean isCameraFlashEnabled = Settings.System.getInt(context.getContentResolver(),
+                SETTING_KEY_CAMERA_FLASH_NOTIFICATION, State.OFF) != State.OFF;
+        final boolean isScreenFlashEnabled = Settings.System.getInt(context.getContentResolver(),
+                SETTING_KEY_SCREEN_FLASH_NOTIFICATION, State.OFF) != State.OFF;
+
+        return ((isTorchAvailable && isCameraFlashEnabled) ? State.CAMERA : State.OFF)
+                | (isScreenFlashEnabled ? State.SCREEN : State.OFF);
+    }
+
+    static class ScreenColorNotFoundException extends Exception {
+    }
+}