From 00900eb35473530a5fc77f7bd3ac306b6dcf19cb Mon Sep 17 00:00:00 2001
From: Chih-Chung Chang <chihchung@google.com>
Date: Tue, 15 Sep 2009 14:51:56 +0800
Subject: Fix 2083478: Camera needs an auto-focus cancel API

Change-Id: I13bda991b32aee47e82b5cf9d43b3021c416a9a2
---
 libs/ui/Camera.cpp  |  8 ++++++++
 libs/ui/ICamera.cpp | 18 ++++++++++++++++++
 2 files changed, 26 insertions(+)

(limited to 'libs')

diff --git a/libs/ui/Camera.cpp b/libs/ui/Camera.cpp
index 12a7725..0c6d340 100644
--- a/libs/ui/Camera.cpp
+++ b/libs/ui/Camera.cpp
@@ -242,6 +242,14 @@ status_t Camera::autoFocus()
     return c->autoFocus();
 }
 
+status_t Camera::cancelAutoFocus()
+{
+    LOGV("cancelAutoFocus");
+    sp <ICamera> c = mCamera;
+    if (c == 0) return NO_INIT;
+    return c->cancelAutoFocus();
+}
+
 // take a picture
 status_t Camera::takePicture()
 {
diff --git a/libs/ui/ICamera.cpp b/libs/ui/ICamera.cpp
index 805c2ca..fd7e084 100644
--- a/libs/ui/ICamera.cpp
+++ b/libs/ui/ICamera.cpp
@@ -32,6 +32,7 @@ enum {
     START_PREVIEW,
     STOP_PREVIEW,
     AUTO_FOCUS,
+    CANCEL_AUTO_FOCUS,
     TAKE_PICTURE,
     SET_PARAMETERS,
     GET_PARAMETERS,
@@ -162,6 +163,17 @@ public:
         return ret;
     }
 
+    // cancel focus
+    status_t cancelAutoFocus()
+    {
+        LOGV("cancelAutoFocus");
+        Parcel data, reply;
+        data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+        remote()->transact(CANCEL_AUTO_FOCUS, data, &reply);
+        status_t ret = reply.readInt32();
+        return ret;
+    }
+
     // take a picture - returns an IMemory (ref-counted mmap)
     status_t takePicture()
     {
@@ -294,6 +306,12 @@ status_t BnCamera::onTransact(
             reply->writeInt32(autoFocus());
             return NO_ERROR;
         } break;
+        case CANCEL_AUTO_FOCUS: {
+            LOGV("CANCEL_AUTO_FOCUS");
+            CHECK_INTERFACE(ICamera, data, reply);
+            reply->writeInt32(cancelAutoFocus());
+            return NO_ERROR;
+        } break;
         case TAKE_PICTURE: {
             LOGV("TAKE_PICTURE");
             CHECK_INTERFACE(ICamera, data, reply);
-- 
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