From 0f3adeef4629685e6a82f0fa5e05472d7cd54adf Mon Sep 17 00:00:00 2001
From: althafvly <althafvly@gmail.com>
Date: Fri, 14 Oct 2022 09:34:44 +0530
Subject: [PATCH] Camera: Use alternative flash default on xiaomi, fairphone
 and gigaset

- Fixes https://gitlab.e.foundation/e/backlog/-/issues/5818

Change-Id: Id2c1f9f5cc647017fc0469ff3009cb0f9acbe6ca
---
 .../opencamera/DeviceSettings.java            | 34 +++++++++++++++++++
 .../sourceforge/opencamera/MainActivity.java  |  9 ++++-
 .../opencamera/MyPreferenceFragment.java      | 12 +++++++
 3 files changed, 54 insertions(+), 1 deletion(-)
 create mode 100644 app/src/main/java/net/sourceforge/opencamera/DeviceSettings.java

diff --git a/app/src/main/java/net/sourceforge/opencamera/DeviceSettings.java b/app/src/main/java/net/sourceforge/opencamera/DeviceSettings.java
new file mode 100644
index 000000000..bf98703a7
--- /dev/null
+++ b/app/src/main/java/net/sourceforge/opencamera/DeviceSettings.java
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2022  E FOUNDATION
+ * 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 <https://www.gnu.org/licenses/>.
+ */
+
+package net.sourceforge.opencamera;
+
+import android.os.Build;
+
+import java.util.Locale;
+
+public class DeviceSettings {
+
+    /** Returns whether the the device uses fake flash in Camera API2.
+     *  Some older device have issues in low light.
+     */
+    public static boolean deviceUsingFakeFlash() {
+        final boolean is_xiaomi = Build.MANUFACTURER.toLowerCase(Locale.US).contains("xiaomi");
+        final boolean is_fairphone = Build.MANUFACTURER.toLowerCase(Locale.US).contains("fairphone");
+        final boolean is_GS290 = Build.DEVICE != null && Build.DEVICE.equals("GS290");
+        return is_fairphone || is_xiaomi || is_GS290;
+    }
+}
diff --git a/app/src/main/java/net/sourceforge/opencamera/MainActivity.java b/app/src/main/java/net/sourceforge/opencamera/MainActivity.java
index cf2f527a7..efff30f8f 100644
--- a/app/src/main/java/net/sourceforge/opencamera/MainActivity.java
+++ b/app/src/main/java/net/sourceforge/opencamera/MainActivity.java
@@ -863,7 +863,7 @@ public class MainActivity extends AppCompatActivity {
     void setDeviceDefaults() {
         if( MyDebug.LOG )
             Log.d(TAG, "setDeviceDefaults");
-        //SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
+        final SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
         //boolean is_samsung = Build.MANUFACTURER.toLowerCase(Locale.US).contains("samsung");
         //boolean is_oneplus = Build.MANUFACTURER.toLowerCase(Locale.US).contains("oneplus");
         //boolean is_nexus = Build.MODEL.toLowerCase(Locale.US).contains("nexus");
@@ -878,6 +878,13 @@ public class MainActivity extends AppCompatActivity {
             //Log.d(TAG, "is_pixel_phone? " + is_pixel_phone);
             //Log.d(TAG, "is_pixel_xl_phone? " + is_pixel_xl_phone);
         }*/
+        if ( DeviceSettings.deviceUsingFakeFlash() ) {
+            if( MyDebug.LOG )
+                Log.d(TAG, "set fake flash for camera2");
+            final SharedPreferences.Editor editor = sharedPreferences.edit();
+            editor.putBoolean(PreferenceKeys.Camera2FakeFlashPreferenceKey, true);
+            editor.apply();
+        }
         /*if( is_samsung || is_oneplus ) {
             // The problems we used to have on Samsung Galaxy devices are now fixed, by setting
             // TEMPLATE_PREVIEW for the precaptureBuilder in CameraController2. This also fixes the
diff --git a/app/src/main/java/net/sourceforge/opencamera/MyPreferenceFragment.java b/app/src/main/java/net/sourceforge/opencamera/MyPreferenceFragment.java
index a4ad149c6..116646c3b 100644
--- a/app/src/main/java/net/sourceforge/opencamera/MyPreferenceFragment.java
+++ b/app/src/main/java/net/sourceforge/opencamera/MyPreferenceFragment.java
@@ -211,6 +211,18 @@ public class MyPreferenceFragment extends PreferenceFragment implements OnShared
             pg.removePreference(pref);
         }
 
+        if ( DeviceSettings.deviceUsingFakeFlash() ) {
+            if( MyDebug.LOG )
+                Log.d(TAG, "set fake flash for camera2");
+            Preference pref = findPreference(PreferenceKeys.Camera2FakeFlashPreferenceKey);
+            pref.setDefaultValue(true);
+            pref.setEnabled(false);
+
+            final SharedPreferences.Editor editor = sharedPreferences.edit();
+            editor.putBoolean(PreferenceKeys.Camera2FakeFlashPreferenceKey, true);
+            editor.apply();
+        }
+
         if( Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR2 ) {
             // BluetoothLeService requires Android 4.3+
             Preference pref = findPreference("preference_screen_remote_control");
-- 
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