Camera: Powerkey shutter (2/2)

Ported from cm-10.1

Including cm-10.1 camera commit:
aa4ae80a41fbab763891c5ef6d67a9e5b4bb981b Don't mess around with pref local ID for power shutter initialization.

Includes http://review.cyanogenmod.org/56986

[mikeioannina]: Updates for L

Signed-off-by: Michael Bestas <mikeioannina@gmail.com>
Change-Id: I0992baa558eefd306d00fbece59cb5c512d9448b

12 files changed, 111 insertions, 3 deletions

diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 9db8270ba..3a4aaa9bd 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -24,6 +24,7 @@
     <uses-permission android:name="android.permission.WRITE_SYNC_SETTINGS" />
     <uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" />
     <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
+    <uses-permission android:name="android.permission.PREVENT_POWER_KEY" />
 
     <supports-screens
         android:anyDensity="true"
diff --git a/res/values/cm_arrays.xml b/res/values/cm_arrays.xml
new file mode 100644
index 000000000..b308c083e
--- /dev/null
+++ b/res/values/cm_arrays.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2013-2015 The CyanogenMod 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.
+-->
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+    <string-array name="pref_switch_entryvalues" translatable="false">
+        <item>off</item>
+        <item>on</item>
+    </string-array>
+
+    <array name="pref_switch_entries" translatable="false">
+        <item>@string/setting_off</item>
+        <item>@string/setting_on</item>
+    </array>
+</resources>
diff --git a/res/values/cm_strings.xml b/res/values/cm_strings.xml
index 6b5dbe53d..ea0473bfb 100644
--- a/res/values/cm_strings.xml
+++ b/res/values/cm_strings.xml
@@ -82,4 +82,8 @@
     <!-- Red eye flash mode title -->
     <string name="pref_camera_flashmode_entry_redeye">Red eye</string>
     <string name="pref_camera_flashmode_label_redeye">RED EYE</string>
+
+    <!-- Power shutter -->
+    <string name="pref_camera_power_shutter_title">Power shutter</string>
+    <string name="pref_camera_power_shutter_default" translatable="false">off</string>
 </resources>
diff --git a/res/xml/camera_preferences.xml b/res/xml/camera_preferences.xml
index bf9263ca4..1de8cb94c 100755
--- a/res/xml/camera_preferences.xml
+++ b/res/xml/camera_preferences.xml
@@ -414,4 +414,10 @@
             camera:entries="@array/pref_camera_zoom_entries"
             camera:entryValues="@array/pref_camera_zoom_entryvalues" />
 
+    <ListPreference
+            camera:key="pref_power_shutter"
+            camera:defaultValue="@string/pref_camera_power_shutter_default"
+            camera:title="@string/pref_camera_power_shutter_title"
+            camera:entries="@array/pref_switch_entries"
+            camera:entryValues="@array/pref_switch_entryvalues" />
 </PreferenceGroup>
diff --git a/res/xml/video_preferences.xml b/res/xml/video_preferences.xml
index 9d0f170bf..151a4f94b 100755
--- a/res/xml/video_preferences.xml
+++ b/res/xml/video_preferences.xml
@@ -190,4 +190,10 @@
             camera:title="@string/pref_camera_zoom_title"
             camera:entries="@array/pref_camera_zoom_entries"
             camera:entryValues="@array/pref_camera_zoom_entryvalues" />
+    <ListPreference
+            camera:key="pref_power_shutter"
+            camera:defaultValue="@string/pref_camera_power_shutter_default"
+            camera:title="@string/pref_camera_power_shutter_title"
+            camera:entries="@array/pref_switch_entries"
+            camera:entryValues="@array/pref_switch_entryvalues" />
 </PreferenceGroup>
diff --git a/src/com/android/camera/CameraActivity.java b/src/com/android/camera/CameraActivity.java
index 9f225d1c7..0bdc60eed 100755
--- a/src/com/android/camera/CameraActivity.java
+++ b/src/com/android/camera/CameraActivity.java
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2012 The Android Open Source Project
+ * Copyright (C) 2013-2015 The CyanogenMod Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -221,6 +222,8 @@ public class CameraActivity extends Activity
     private final Object mStorageSpaceLock = new Object();
     private long mStorageSpaceBytes = Storage.LOW_STORAGE_THRESHOLD_BYTES;
     private boolean mSecureCamera;
+    // Keep track of powershutter state
+    public static boolean mPowerShutter = false;
     private int mLastRawOrientation;
     private MyOrientationEventListener mOrientationListener;
     private Handler mMainHandler;
@@ -2042,6 +2045,19 @@ public class CameraActivity extends Activity
         }
     }
 
+    protected void initPowerShutter(ComboPreferences prefs) {
+        String val = prefs.getString(CameraSettings.KEY_POWER_SHUTTER,
+                getResources().getString(R.string.pref_camera_power_shutter_default));
+        mPowerShutter = val.equals(CameraSettings.VALUE_ON);
+        if (mPowerShutter /*TODO: && mShowCameraAppView*/) {
+            getWindow().addPrivateFlags(
+                    WindowManager.LayoutParams.PRIVATE_FLAG_PREVENT_POWER_KEY);
+        } else {
+            getWindow().clearPrivateFlags(
+                    WindowManager.LayoutParams.PRIVATE_FLAG_PREVENT_POWER_KEY);
+        }
+    }
+
     protected void setResultEx(int resultCode) {
         mResultCodeForTesting = resultCode;
         setResult(resultCode);
diff --git a/src/com/android/camera/CameraSettings.java b/src/com/android/camera/CameraSettings.java
index 9dce35b6a..abad064d5 100755
--- a/src/com/android/camera/CameraSettings.java
+++ b/src/com/android/camera/CameraSettings.java
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2009 The Android Open Source Project
+ * Copyright (C) 2013-2015 The CyanogenMod Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -81,6 +82,7 @@ public class CameraSettings {
     public static final String KEY_PHOTOSPHERE_PICTURESIZE = "pref_photosphere_picturesize_key";
     public static final String KEY_STARTUP_MODULE_INDEX = "camera.startup_module";
 
+    public static final String KEY_POWER_SHUTTER = "pref_power_shutter";
     public static final String KEY_VIDEO_ENCODER = "pref_camera_videoencoder_key";
     public static final String KEY_AUDIO_ENCODER = "pref_camera_audioencoder_key";
     public static final String KEY_POWER_MODE = "pref_camera_powermode_key";
@@ -271,6 +273,8 @@ public class CameraSettings {
     public static final String KEY_SELFIE_FLASH = "pref_selfie_flash_key";
 
     public static final String EXPOSURE_DEFAULT_VALUE = "0";
+    public static final String VALUE_ON = "on";
+    public static final String VALUE_OFF = "off";
 
     public static final int CURRENT_VERSION = 5;
     public static final int CURRENT_LOCAL_VERSION = 2;
diff --git a/src/com/android/camera/ComboPreferences.java b/src/com/android/camera/ComboPreferences.java
index de6db8e9d..107360a55 100755
--- a/src/com/android/camera/ComboPreferences.java
+++ b/src/com/android/camera/ComboPreferences.java
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2010 The Android Open Source Project
+ * Copyright (C) 2013-2015 The CyanogenMod Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -157,7 +158,8 @@ public class ComboPreferences implements
                 || key.equals(SettingsManager.KEY_MONO_ONLY)
                 || key.equals(SettingsManager.KEY_MONO_PREVIEW)
                 || key.equals(SettingsManager.KEY_SWITCH_CAMERA)
-                || key.equals(SettingsManager.KEY_CLEARSIGHT);
+                || key.equals(SettingsManager.KEY_CLEARSIGHT)
+                || key.equals(CameraSettings.KEY_POWER_SHUTTER);
     }
 
     @Override
diff --git a/src/com/android/camera/PhotoMenu.java b/src/com/android/camera/PhotoMenu.java
index 7debfc7ef..c210d5b4c 100644
--- a/src/com/android/camera/PhotoMenu.java
+++ b/src/com/android/camera/PhotoMenu.java
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2012 The Android Open Source Project
+ * Copyright (C) 2013-2015 The CyanogenMod Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -195,7 +196,8 @@ public class PhotoMenu extends MenuController
                 CameraSettings.KEY_QC_CHROMA_FLASH,
                 CameraSettings.KEY_REDEYE_REDUCTION,
                 CameraSettings.KEY_SELFIE_MIRROR,
-                CameraSettings.KEY_SHUTTER_SOUND
+                CameraSettings.KEY_SHUTTER_SOUND,
+                CameraSettings.KEY_POWER_SHUTTER
         };
 
         mOtherKeys2 = new String[] {
@@ -214,6 +216,7 @@ public class PhotoMenu extends MenuController
                 CameraSettings.KEY_QC_CHROMA_FLASH,
                 CameraSettings.KEY_FOCUS_MODE,
                 CameraSettings.KEY_REDEYE_REDUCTION,
+                CameraSettings.KEY_POWER_SHUTTER,
                 CameraSettings.KEY_AUTO_HDR,
                 CameraSettings.KEY_HDR_MODE,
                 CameraSettings.KEY_HDR_NEED_1X,
diff --git a/src/com/android/camera/PhotoModule.java b/src/com/android/camera/PhotoModule.java
index 2938a5c43..8afc9daa2 100755
--- a/src/com/android/camera/PhotoModule.java
+++ b/src/com/android/camera/PhotoModule.java
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2012 The Android Open Source Project
+ * Copyright (C) 2013-2015 The CyanogenMod Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -578,6 +579,10 @@ public class PhotoModule
         CameraSettings.upgradeLocalPreferences(mPreferences.getLocal());
 
         mUI = new PhotoUI(activity, this, parent);
+
+        // Power shutter
+        mActivity.initPowerShutter(mPreferences);
+
         if (mOpenCameraThread == null) {
             mOpenCameraThread = new OpenCameraThread();
             mOpenCameraThread.start();
@@ -2645,6 +2650,9 @@ public class PhotoModule
         // (e.g. onResume -> onPause -> onResume).
         stopPreview();
 
+        // Load the power shutter
+        mActivity.initPowerShutter(mPreferences);
+
         mNamedImages = null;
 
         if (mLocationManager != null) mLocationManager.recordLocation(false);
@@ -2794,6 +2802,9 @@ public class PhotoModule
 
     @Override
     public boolean onKeyDown(int keyCode, KeyEvent event) {
+        /*TODO: if (!mActivity.mShowCameraAppView) {
+            return false;
+        }*/
         switch (keyCode) {
             case KeyEvent.KEYCODE_VOLUME_UP:
                 if (/*TODO: mActivity.isInCameraApp() &&*/ mFirstTimeInitialized
@@ -2831,12 +2842,21 @@ public class PhotoModule
                     mUI.pressShutterButton();
                 }
                 return true;
+            case KeyEvent.KEYCODE_POWER:
+                if (mFirstTimeInitialized && event.getRepeatCount() == 0
+                        && CameraActivity.mPowerShutter) {
+                    onShutterButtonFocus(true);
+                }
+                return true;
         }
         return false;
     }
 
     @Override
     public boolean onKeyUp(int keyCode, KeyEvent event) {
+        /*TODO: if (!mActivity.mShowCameraAppView) {
+            return false;
+        }*/
         switch (keyCode) {
             case KeyEvent.KEYCODE_VOLUME_UP:
             case KeyEvent.KEYCODE_VOLUME_DOWN:
@@ -2846,6 +2866,11 @@ public class PhotoModule
                     onShutterButtonFocus(false);
                 }
                 return true;
+            case KeyEvent.KEYCODE_POWER:
+                if (CameraActivity.mPowerShutter && mFirstTimeInitialized) {
+                    onShutterButtonClick();
+                }
+                return true;
         }
         return false;
     }
@@ -4843,6 +4868,7 @@ public class PhotoModule
             setCameraParametersWhenIdle(UPDATE_PARAM_PREFERENCE);
             mUI.updateOnScreenIndicators(mParameters, mPreferenceGroup,
                 mPreferences);
+            mActivity.initPowerShutter(mPreferences);
         } else {
             mHandler.sendEmptyMessage(SET_PHOTO_UI_PARAMS);
         }
diff --git a/src/com/android/camera/VideoMenu.java b/src/com/android/camera/VideoMenu.java
index e891ce7af..29d22ac85 100644
--- a/src/com/android/camera/VideoMenu.java
+++ b/src/com/android/camera/VideoMenu.java
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2012 The Android Open Source Project
+ * Copyright (C) 2013-2015 The CyanogenMod Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -117,7 +118,8 @@ public class VideoMenu extends MenuController
                 CameraSettings.KEY_EXPOSURE,
                 CameraSettings.KEY_WHITE_BALANCE,
                 CameraSettings.KEY_VIDEO_HIGH_FRAME_RATE,
-                CameraSettings.KEY_DIS
+                CameraSettings.KEY_DIS,
+                CameraSettings.KEY_POWER_SHUTTER
         };
         mOtherKeys2 = new String[] {
                 CameraSettings.KEY_VIDEOCAMERA_FLASH_MODE,
@@ -128,6 +130,7 @@ public class VideoMenu extends MenuController
                 CameraSettings.KEY_WHITE_BALANCE,
                 CameraSettings.KEY_FACE_DETECTION,
                 CameraSettings.KEY_VIDEO_HIGH_FRAME_RATE,
+                CameraSettings.KEY_POWER_SHUTTER,
                 CameraSettings.KEY_SEE_MORE,
                 CameraSettings.KEY_NOISE_REDUCTION,
                 CameraSettings.KEY_DIS,
diff --git a/src/com/android/camera/VideoModule.java b/src/com/android/camera/VideoModule.java
index 44bf51351..df436106e 100644
--- a/src/com/android/camera/VideoModule.java
+++ b/src/com/android/camera/VideoModule.java
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2012 The Android Open Source Project
+ * Copyright (C) 2013-2015 The CyanogenMod Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -505,6 +506,9 @@ public class VideoModule implements CameraModule,
 
         mOrientationManager = new OrientationManager(mActivity);
 
+        // Power shutter
+        mActivity.initPowerShutter(mPreferences);
+
         /*
          * To reduce startup time, we start the preview in another thread.
          * We make sure the preview is started at the end of onCreate.
@@ -1414,6 +1418,11 @@ public class VideoModule implements CameraModule,
             case KeyEvent.KEYCODE_CAMERA:
                 mUI.pressShutter(false);
                 return true;
+            case KeyEvent.KEYCODE_POWER:
+                if (CameraActivity.mPowerShutter) {
+                    onShutterButtonClick();
+                }
+                return true;
         }
         return false;
     }
@@ -2916,6 +2925,7 @@ public class VideoModule implements CameraModule,
             Storage.setSaveSDCard(
                 mPreferences.getString(CameraSettings.KEY_CAMERA_SAVEPATH, "0").equals("1"));
             mActivity.updateStorageSpaceAndHint();
+            mActivity.initPowerShutter(mPreferences);
         }
     }