Re-Add hidden-apps setting

Forward port from CM 10.2
PS3: Don't rename and incorporate changes from Devkota
PS4: Update German translation
PS5: Remove translations
PS7: Hide widgets from widget list
PS9: Remove debug output
PS11: Rebase

Change-Id: Ie06b288e22c2678fb09da1bf42d46922b8319e01

2 files changed, 119 insertions, 0 deletions

diff --git a/src/com/android/launcher3/widget/CheckableLinearLayout.java b/src/com/android/launcher3/widget/CheckableLinearLayout.java
new file mode 100644
index 000000000..f834c10b8
--- /dev/null
+++ b/src/com/android/launcher3/widget/CheckableLinearLayout.java
@@ -0,0 +1,50 @@
+package com.android.launcher3.widget;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.widget.CheckBox;
+import android.widget.Checkable;
+import android.widget.LinearLayout;
+
+import com.android.launcher3.R;
+
+/*
+ * This class is useful for using inside of ListView that needs to have checkable items.
+ */
+public class CheckableLinearLayout extends LinearLayout implements Checkable {
+    private CheckBox mCheckBox;
+
+    public CheckableLinearLayout(Context context) {
+        super(context);
+    }
+
+    public CheckableLinearLayout(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public CheckableLinearLayout(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+    }
+
+    @Override
+    protected void onFinishInflate() {
+        super.onFinishInflate();
+
+        mCheckBox = (CheckBox) findViewById(R.id.checkbox);
+    }
+
+    @Override
+    public boolean isChecked() {
+        return mCheckBox.isChecked();
+    }
+
+    @Override
+    public void setChecked(boolean checked) {
+        mCheckBox.setChecked(checked);
+    }
+
+    @Override
+    public void toggle() {
+        mCheckBox.toggle();
+    }
+}
\ No newline at end of file
diff --git a/src/com/android/launcher3/widget/InertCheckBox.java b/src/com/android/launcher3/widget/InertCheckBox.java
new file mode 100644
index 000000000..e990a8b85
--- /dev/null
+++ b/src/com/android/launcher3/widget/InertCheckBox.java
@@ -0,0 +1,69 @@
+package com.android.launcher3.widget;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.KeyEvent;
+import android.view.MotionEvent;
+import android.widget.CheckBox;
+
+
+// CheckBox that does not react to any user event in order to let the container handle them.
+public class InertCheckBox extends CheckBox {
+
+    @SuppressWarnings("unused")
+    public InertCheckBox(Context context) {
+        super(context);
+    }
+
+    @SuppressWarnings("unused")
+    public InertCheckBox(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    @SuppressWarnings("unused")
+    public InertCheckBox(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+    }
+
+    @Override
+    public boolean onTouchEvent(MotionEvent event) {
+        // Make the checkbox not respond to any user event
+        return false;
+    }
+
+    @Override
+    public boolean onKeyDown(int keyCode, KeyEvent event) {
+        // Make the checkbox not respond to any user event
+        return false;
+    }
+
+    @Override
+    public boolean onKeyMultiple(int keyCode, int repeatCount, KeyEvent event) {
+        // Make the checkbox not respond to any user event
+        return false;
+    }
+
+    @Override
+    public boolean onKeyPreIme(int keyCode, KeyEvent event) {
+        // Make the checkbox not respond to any user event
+        return false;
+    }
+
+    @Override
+    public boolean onKeyShortcut(int keyCode, KeyEvent event) {
+        // Make the checkbox not respond to any user event
+        return false;
+    }
+
+    @Override
+    public boolean onKeyUp(int keyCode, KeyEvent event) {
+        // Make the checkbox not respond to any user event
+        return false;
+    }
+
+    @Override
+    public boolean onTrackballEvent(MotionEvent event) {
+        // Make the checkbox not respond to any user event
+        return false;
+    }
+}
\ No newline at end of file