android: construct LayerView in xml GUI definition (activity_main)

Change-Id: I6cd3c8dff2ca36f3d64559b218d005d5a6da9066

android/experimental/LOAndroid3/res/layout/activity_main.xml

@@ -16,19 +16,25 @@
             android:id="@+id/gecko_layout"
             android:layout_width="fill_parent"
             android:layout_height="fill_parent"
-            android:layout_weight="1"/>
+            android:layout_weight="1">
+
+            <org.mozilla.gecko.gfx.LayerView
+                android:id="@+id/layer_view"
+                android:layout_width="fill_parent"
+                android:layout_height="fill_parent"/>
+        </RelativeLayout>
 
         <RelativeLayout
             android:id="@+id/loadingPanel"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
-            android:gravity="center"
-            android:background="#9333">
+            android:background="#9333"
+            android:gravity="center">
 
             <ProgressBar
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:indeterminate="true" />
+                android:indeterminate="true"/>
         </RelativeLayout>
 
         <View

android/experimental/LOAndroid3/src/java/org/libreoffice/LibreOfficeMainActivity.java

@@ -9,6 +9,7 @@ import android.os.Handler;
 import android.support.v4.widget.DrawerLayout;
 import android.util.DisplayMetrics;
 import android.util.Log;
+import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
@@ -21,6 +22,7 @@ import android.widget.TextView;
 import org.mozilla.gecko.ZoomConstraints;
 import org.mozilla.gecko.gfx.GeckoLayerClient;
 import org.mozilla.gecko.gfx.LayerController;
+import org.mozilla.gecko.gfx.LayerView;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -96,6 +98,8 @@ public class LibreOfficeMainActivity extends Activity {
 
         mMainHandler = new Handler();
 
+        LayoutInflater.from(this).setFactory(ViewFactory.getInstance());
+
         if (getIntent().getData() != null) {
             mInputFile = getIntent().getData().getEncodedPath();
         } else {
@@ -128,8 +132,9 @@ public class LibreOfficeMainActivity extends Activity {
         mLayerController = new LayerController(this);
         mLayerController.setZoomConstraints(new ZoomConstraints(true));
         mLayerClient = new GeckoLayerClient(this);
+        LayerView layerView = (LayerView)findViewById(R.id.layer_view);
+        mLayerController.setView(layerView);
         mLayerController.setLayerClient(mLayerClient);
-        mGeckoLayout.addView(mLayerController.getView(), 0);
 
         LOKitShell.sendEvent(LOEventFactory.load(mInputFile));
     }

android/experimental/LOAndroid3/src/java/org/libreoffice/ViewFactory.java

+package org.libreoffice;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+
+import org.mozilla.gecko.gfx.LayerView;
+
+public class ViewFactory implements LayoutInflater.Factory {
+    private static final String LOGTAG = ViewFactory.class.getSimpleName();
+    private static final String LAYER_VIEW_ID = "org.mozilla.gecko.gfx.LayerView";
+    private static final ViewFactory INSTANCE = new ViewFactory();
+
+    private ViewFactory() {
+    }
+
+    public static LayoutInflater.Factory getInstance() {
+        return INSTANCE;
+    }
+
+    @Override
+    public View onCreateView(String name, Context context, AttributeSet attrs) {
+        if (name.equals(LAYER_VIEW_ID)) {
+            Log.i(LOGTAG, "Creating custom Gecko view: " + name);
+            return new LayerView(context, attrs);
+        }
+
+        return null;
+    }
+}
\ No newline at end of file

android/experimental/LOAndroid3/src/java/org/mozilla/gecko/gfx/LayerController.java

@@ -69,11 +69,15 @@ public class LayerController implements PanZoomTarget {
         DisplayMetrics displayMetrics = context.getResources().getDisplayMetrics();
         mViewportMetrics = new ImmutableViewportMetrics(displayMetrics);
         mPanZoomController = new PanZoomController(this);
-        mView = new LayerView(context, this);
         mCheckerboardShouldShowChecks = true;
         mZoomConstraints = new ZoomConstraints(false);
     }
 
+    public void setView(LayerView v) {
+        mView = v;
+        mView.connect(this);
+    }
+
     public void setRoot(Layer layer) { mRootLayer = layer; }
 
     public void setLayerClient(GeckoLayerClient layerClient) {

android/experimental/LOAndroid3/src/java/org/mozilla/gecko/gfx/LayerView.java

@@ -9,6 +9,7 @@ package org.mozilla.gecko.gfx;
 import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.PixelFormat;
+import android.util.AttributeSet;
 import android.util.Log;
 import android.view.KeyEvent;
 import android.view.MotionEvent;
@@ -32,7 +33,6 @@ import java.nio.IntBuffer;
 public class LayerView extends SurfaceView implements SurfaceHolder.Callback {
     private static String LOGTAG = "GeckoLayerView";
 
-    private Context mContext;
     private LayerController mController;
     private TouchEventHandler mTouchEventHandler;
     private GLController mGLController;
@@ -51,18 +51,19 @@ public class LayerView extends SurfaceView implements SurfaceHolder.Callback {
     public static final int PAINT_BEFORE_FIRST = 1;
     public static final int PAINT_AFTER_FIRST = 2;
 
-
-    public LayerView(Context context, LayerController controller) {
-        super(context);
+    public LayerView(Context context, AttributeSet attrs) {
+        super(context, attrs);
 
         SurfaceHolder holder = getHolder();
         holder.addCallback(this);
         holder.setFormat(PixelFormat.RGB_565);
 
         mGLController = new GLController(this);
-        mContext = context;
+    }
+
+    void connect(LayerController controller) {
         mController = controller;
-        mTouchEventHandler = new TouchEventHandler(context, this, mController);
+        mTouchEventHandler = new TouchEventHandler(getContext(), this, mController);
         mRenderer = new LayerRenderer(this);
         mInputConnectionHandler = null;
 
@@ -208,6 +209,10 @@ public class LayerView extends SurfaceView implements SurfaceHolder.Callback {
         mListener = listener;
     }
 
+    Listener getListener() {
+        return mListener;
+    }
+
     public GLController getGLController() {
         return mGLController;
     }
@@ -267,10 +272,6 @@ public class LayerView extends SurfaceView implements SurfaceHolder.Callback {
 
     private GLThread mGLThread; // Protected by this class's monitor.
 
-    /**
-     * Creates a Java GL thread. After this is called, the FlexibleGLSurfaceView may be used just
-     * like a GLSurfaceView. It is illegal to access the controller after this has been called.
-     */
     public synchronized void createGLThread() {
         if (mGLThread != null) {
             throw new LayerViewException ("createGLThread() called with a GL thread already in place!");
@@ -282,10 +283,6 @@ public class LayerView extends SurfaceView implements SurfaceHolder.Callback {
         notifyAll();
     }
 
-    /**
-     * Destroys the Java GL thread. Returns a Thread that completes when the Java GL thread is
-     * fully shut down.
-     */
     public synchronized Thread destroyGLThread() {
         // Wait for the GL thread to be started.
         Log.e(LOGTAG, "### Waiting for GL thread to be created...");