1 files changed, 53 insertions, 0 deletions
diff --git a/src/com/android/camera/CameraButtonIntentReceiver.java b/src/com/android/camera/CameraButtonIntentReceiver.java
new file mode 100644
index 000000000..a65942d57
--- /dev/null
+++ b/src/com/android/camera/CameraButtonIntentReceiver.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2007 The Android Open Source 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.
+ */
+
+package com.android.camera;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+
+/**
+ * {@code CameraButtonIntentReceiver} is invoked when the camera button is
+ * long-pressed.
+ *
+ * It is declared in {@code AndroidManifest.xml} to receive the
+ * {@code android.intent.action.CAMERA_BUTTON} intent.
+ *
+ * After making sure we can use the camera hardware, it starts the Camera
+ * activity.
+ */
+public class CameraButtonIntentReceiver extends BroadcastReceiver {
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        // Try to get the camera hardware
+        CameraHolder holder = CameraHolder.instance();
+        ComboPreferences pref = new ComboPreferences(context);
+        int cameraId = CameraSettings.readPreferredCameraId(pref);
+        if (holder.tryOpen(cameraId) == null) return;
+
+        // We are going to launch the camera, so hold the camera for later use
+        holder.keep();
+        holder.release();
+        Intent i = new Intent(Intent.ACTION_MAIN);
+        i.setClass(context, CameraActivity.class);
+        i.addCategory(Intent.CATEGORY_LAUNCHER);
+        i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
+                | Intent.FLAG_ACTIVITY_CLEAR_TOP);
+        context.startActivity(i);
+    }
+}