1 files changed, 150 insertions, 0 deletions
diff --git a/src/org/codeaurora/gallery3d/ext/ActivityHookerGroup.java b/src/org/codeaurora/gallery3d/ext/ActivityHookerGroup.java
new file mode 100644
index 000000000..4bf8616e7
--- /dev/null
+++ b/src/org/codeaurora/gallery3d/ext/ActivityHookerGroup.java
@@ -0,0 +1,150 @@
+package org.codeaurora.gallery3d.ext;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.Menu;
+import android.view.MenuItem;
+
+import java.util.ArrayList;
+
+/**
+ * The composite pattern class. It will deliver every action to its leaf
+ * hookers.
+ */
+public class ActivityHookerGroup extends ActivityHooker {
+    private ArrayList<IActivityHooker> mHooks = new ArrayList<IActivityHooker>();
+
+    /**
+     * Add hooker to current group.
+     *
+     * @param hooker
+     * @return
+     */
+    public boolean addHooker(IActivityHooker hooker) {
+        return mHooks.add(hooker);
+    }
+
+    /**
+     * Remove hooker from current group.
+     *
+     * @param hooker
+     * @return
+     */
+    public boolean removeHooker(IActivityHooker hooker) {
+        return mHooks.remove(hooker);
+    }
+
+    /**
+     * Get hooker of requested location.
+     *
+     * @param index
+     * @return
+     */
+    public IActivityHooker getHooker(int index) {
+        return mHooks.get(index);
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        for (IActivityHooker hook : mHooks) {
+            hook.onCreate(savedInstanceState);
+        }
+    }
+
+    @Override
+    public void onStart() {
+        super.onStart();
+        for (IActivityHooker hook : mHooks) {
+            hook.onStart();
+        }
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        for (IActivityHooker hook : mHooks) {
+            hook.onResume();
+        }
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+        for (IActivityHooker hook : mHooks) {
+            hook.onPause();
+        }
+    }
+
+    @Override
+    public void onStop() {
+        super.onStop();
+        for (IActivityHooker hook : mHooks) {
+            hook.onStop();
+        }
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+        for (IActivityHooker hook : mHooks) {
+            hook.onDestroy();
+        }
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        super.onCreateOptionsMenu(menu);
+        boolean handle = false;
+        for (IActivityHooker hook : mHooks) {
+            boolean one = hook.onCreateOptionsMenu(menu);
+            if (!handle) {
+                handle = one;
+            }
+        }
+        return handle;
+    }
+
+    @Override
+    public boolean onPrepareOptionsMenu(Menu menu) {
+        super.onPrepareOptionsMenu(menu);
+        boolean handle = false;
+        for (IActivityHooker hook : mHooks) {
+            boolean one = hook.onPrepareOptionsMenu(menu);
+            if (!handle) {
+                handle = one;
+            }
+        }
+        return handle;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        super.onOptionsItemSelected(item);
+        boolean handle = false;
+        for (IActivityHooker hook : mHooks) {
+            boolean one = hook.onOptionsItemSelected(item);
+            if (!handle) {
+                handle = one;
+            }
+        }
+        return handle;
+    }
+
+    @Override
+    public void setParameter(String key, Object value) {
+        super.setParameter(key, value);
+        for (IActivityHooker hook : mHooks) {
+            hook.setParameter(key, value);
+        }
+    }
+
+    @Override
+    public void init(Activity context, Intent intent) {
+        super.init(context, intent);
+        for (IActivityHooker hook : mHooks) {
+            hook.init(context, intent);
+        }
+    }
+}