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authorAngus Kong <shkong@google.com>2012-08-27 12:47:21 +0800
committerAngus Kong <shkong@google.com>2012-08-27 16:03:48 +0800
commit65ba13d0361be253ebe913b83c7345a811566cf5 (patch)
tree086fd1937693f2353b08e0192cfa4ac826aa94a8 /gallerycommon/src/com/android
parent2104e7be341685b4b6b9fd2748164960e9e6619d (diff)
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Add LightCycle helper class.
LightCycleHelper also receives event of package changes to get updated. bug:6912297 Change-Id: Ib822ee778537b64986389bf8eeec36f61c9289f2
Diffstat (limited to 'gallerycommon/src/com/android')
-rw-r--r--gallerycommon/src/com/android/gallery3d/common/LightCycleHelper.java79
1 files changed, 79 insertions, 0 deletions
diff --git a/gallerycommon/src/com/android/gallery3d/common/LightCycleHelper.java b/gallerycommon/src/com/android/gallery3d/common/LightCycleHelper.java
new file mode 100644
index 000000000..f8df29dd4
--- /dev/null
+++ b/gallerycommon/src/com/android/gallery3d/common/LightCycleHelper.java
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2012 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.gallery3d.common;
+
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+
+public class LightCycleHelper {
+ public static final String LIGHTCYCLE_PACKAGE =
+ "com.google.android.apps.lightcycle";
+ public static final String LIGHTCYCLE_CAPTURE_CLASS =
+ "com.google.android.apps.lightcycle.PanoramaCaptureActivity";
+ public static final String LIGHTCYCLE_VIEW_CLASS =
+ "com.google.android.apps.lightcycle.PanoramaViewActivity";
+ public static final String EXTRA_OUTPUT_DIR = "output_dir";
+
+ private static boolean sUpdated;
+ private static boolean sHasViewActivity;
+ private static boolean sHasCaptureActivity;
+
+ private static boolean hasLightCycleActivity(PackageManager pm, String activityClass) {
+ Intent it = new Intent();
+ it.setClassName(LIGHTCYCLE_PACKAGE, activityClass);
+ return (pm.resolveActivity(it, 0) != null);
+ }
+
+ private static void update(PackageManager pm) {
+ sUpdated = true;
+ sHasViewActivity = hasLightCycleActivity(pm, LIGHTCYCLE_VIEW_CLASS);
+ sHasCaptureActivity = hasLightCycleActivity(pm, LIGHTCYCLE_CAPTURE_CLASS);
+ }
+
+ public synchronized static boolean hasLightCycleView(PackageManager pm) {
+ if (!sUpdated) {
+ update(pm);
+ }
+ return sHasViewActivity;
+ }
+
+ public synchronized static boolean hasLightCycleCapture(PackageManager pm) {
+ if (!sUpdated) {
+ update(pm);
+ }
+ return sHasCaptureActivity;
+ }
+
+ public synchronized static void onPackageAdded(Context context, String packageName) {
+ if (LIGHTCYCLE_PACKAGE.equals(packageName)) {
+ update(context.getPackageManager());
+ }
+ }
+
+ public synchronized static void onPackageRemoved(Context context, String packageName) {
+ if (LIGHTCYCLE_PACKAGE.equals(packageName)) {
+ update(context.getPackageManager());
+ }
+ }
+
+ public synchronized static void onPackageChanged(Context context, String packageName) {
+ if (LIGHTCYCLE_PACKAGE.equals(packageName)) {
+ update(context.getPackageManager());
+ }
+ }
+}