CameraService and Stagefright: Support AppOps

Camera:
- Signal to AppOpsService when camera usage starts and stops
- Listen to permissions revocations and act on them
- Currently just kill camera connection when permissions lost

Stagefright:
- Pass on client name, UID to camera as needed

Bug: 8181262
Change-Id: I9e33c9d05e9daa77dbb2d795045d08eb887ec8f0

1 files changed, 21 insertions, 0 deletions

diff --git a/media/libmedia/mediarecorder.cpp b/media/libmedia/mediarecorder.cpp
index 660b1b2..3ac98cc 100644
--- a/media/libmedia/mediarecorder.cpp
+++ b/media/libmedia/mediarecorder.cpp
@@ -656,6 +656,27 @@ status_t MediaRecorder::setListener(const sp<MediaRecorderListener>& listener)
     return NO_ERROR;
 }
 
+status_t MediaRecorder::setClientName(const String16& clientName)
+{
+    ALOGV("setClientName");
+    if (mMediaRecorder == NULL) {
+        ALOGE("media recorder is not initialized yet");
+        return INVALID_OPERATION;
+    }
+    bool isInvalidState = (mCurrentState &
+                           (MEDIA_RECORDER_PREPARED |
+                            MEDIA_RECORDER_RECORDING |
+                            MEDIA_RECORDER_ERROR));
+    if (isInvalidState) {
+        ALOGE("setClientName is called in an invalid state: %d", mCurrentState);
+        return INVALID_OPERATION;
+    }
+
+    mMediaRecorder->setClientName(clientName);
+
+    return NO_ERROR;
+}
+
 void MediaRecorder::notify(int msg, int ext1, int ext2)
 {
     ALOGV("message received msg=%d, ext1=%d, ext2=%d", msg, ext1, ext2);