camera: add power mode support

Based on commit 7036d66bec7697160ba1b2e255f1e7fae0c8c435 from CAF,
branch ics_chocolate.

Change-Id: I8a60668b18980fd5e6f9dd341db5a8a63deb99d0

2 files changed, 42 insertions, 0 deletions

diff --git a/api/current.txt b/api/current.txt
index 6b893d5..c57a541 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -9804,6 +9804,7 @@ package android.hardware {
     method public int getJpegQuality();
     method public int getJpegThumbnailQuality();
     method public android.hardware.Camera.Size getJpegThumbnailSize();
+    method public java.lang.String getPowerMode();
     method public int getMaxExposureCompensation();
     method public int getMaxNumDetectedFaces();
     method public int getMaxNumFocusAreas();
@@ -9840,6 +9841,7 @@ package android.hardware {
     method public java.util.List<java.lang.Integer> getZoomRatios();
     method public boolean isAutoExposureLockSupported();
     method public boolean isAutoWhiteBalanceLockSupported();
+    method public boolean isPowerModeSupported();
     method public boolean isSmoothZoomSupported();
     method public boolean isVideoSnapshotSupported();
     method public boolean isVideoStabilizationSupported();
@@ -9867,6 +9869,7 @@ package android.hardware {
     method public void setMeteringAreas(java.util.List<android.hardware.Camera.Area>);
     method public void setPictureFormat(int);
     method public void setPictureSize(int, int);
+    method public void setPowerMode(java.lang.String);
     method public void setPreviewFormat(int);
     method public void setPreviewFpsRange(int, int);
     method public deprecated void setPreviewFrameRate(int);
@@ -9906,6 +9909,8 @@ package android.hardware {
     field public static final java.lang.String FOCUS_MODE_FIXED = "fixed";
     field public static final java.lang.String FOCUS_MODE_INFINITY = "infinity";
     field public static final java.lang.String FOCUS_MODE_MACRO = "macro";
+    field public static final java.lang.String LOW_POWER = "Low_Power";
+    field public static final java.lang.String NORMAL_POWER = "Normal_Power";
     field public static final int PREVIEW_FPS_MAX_INDEX = 1; // 0x1
     field public static final int PREVIEW_FPS_MIN_INDEX = 0; // 0x0
     field public static final java.lang.String SCENE_MODE_ACTION = "action";
diff --git a/core/java/android/hardware/Camera.java b/core/java/android/hardware/Camera.java
index c60d838..2e2d9a6 100644
--- a/core/java/android/hardware/Camera.java
+++ b/core/java/android/hardware/Camera.java
@@ -1716,6 +1716,9 @@ public class Camera {
         private static final String KEY_VIDEO_SNAPSHOT_SUPPORTED = "video-snapshot-supported";
         private static final String KEY_VIDEO_STABILIZATION = "video-stabilization";
         private static final String KEY_VIDEO_STABILIZATION_SUPPORTED = "video-stabilization-supported";
+        private static final String KEY_POWER_MODE_SUPPORTED = "power-mode-supported";
+
+        private static final String KEY_POWER_MODE = "power-mode";
 
         // Parameter key suffix for supported values.
         private static final String SUPPORTED_VALUES_SUFFIX = "-values";
@@ -1750,6 +1753,10 @@ public class Camera {
         public static final String ANTIBANDING_60HZ = "60hz";
         public static final String ANTIBANDING_OFF = "off";
 
+        // Values for POWER MODE
+        public static final String LOW_POWER = "Low_Power";
+        public static final String NORMAL_POWER = "Normal_Power";
+
         // Values for flash mode settings.
         /**
          * Flash will not be fired.
@@ -2961,6 +2968,28 @@ public class Camera {
         }
 
         /**
+         * Sets the Power mode.
+         *
+         * @param value Power mode.
+         * @see #getPowerMode()
+         */
+        public void setPowerMode(String value) {
+            set(KEY_POWER_MODE, value);
+        }
+
+        /**
+         * Gets the current power mode setting.
+         *
+         * @return current power mode. null if power mode setting is not
+         *         supported.
+         * @see #POWER_MODE_LOW
+         * @see #POWER_MODE_NORMAL
+         */
+        public String getPowerMode() {
+            return get(KEY_POWER_MODE);
+        }
+
+        /**
          * Gets the current focus mode setting.
          *
          * @return current focus mode. This method will always return a non-null
@@ -3577,6 +3606,14 @@ public class Camera {
         }
 
         /**
+         * @return true if full size video snapshot is supported.
+         */
+        public boolean isPowerModeSupported() {
+            String str = get(KEY_POWER_MODE_SUPPORTED);
+            return TRUE.equals(str);
+        }
+
+        /**
          * <p>Enables and disables video stabilization. Use
          * {@link #isVideoStabilizationSupported} to determine if calling this
          * method is valid.</p>