Alexandre Julliard : wineandroid: Create the top-level view on desktop window creation.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 4123bbdd84059ba69c6ef22757ccbc336a7ae47c
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=4123bbdd84059ba69c6ef22757ccbc336a7ae47c

Author: Alexandre Julliard <julliard at winehq.org>
Date:   Thu Jun  1 09:40:29 2017 +0200

wineandroid: Create the top-level view on desktop window creation.

Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/wineandroid.drv/WineActivity.java | 47 ++++++++++++++++++++++++++++++++++
 dlls/wineandroid.drv/device.c          | 42 +++++++++++++++++++++++++++++-
 2 files changed, 88 insertions(+), 1 deletion(-)

diff --git a/dlls/wineandroid.drv/WineActivity.java b/dlls/wineandroid.drv/WineActivity.java
index b0a8541..3696493 100644
--- a/dlls/wineandroid.drv/WineActivity.java
+++ b/dlls/wineandroid.drv/WineActivity.java
@@ -22,11 +22,14 @@ package org.winehq.wine;
 
 import android.app.Activity;
 import android.app.ProgressDialog;
+import android.content.Context;
 import android.content.SharedPreferences;
 import android.os.Build;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
 import android.util.Log;
+import android.view.View;
+import android.view.ViewGroup;
 import java.io.BufferedReader;
 import java.io.File;
 import java.io.FileInputStream;
@@ -42,6 +45,7 @@ import java.util.Map;
 public class WineActivity extends Activity
 {
     private native String wine_init( String[] cmdline, String[] env );
+    public native void wine_desktop_changed( int width, int height );
 
     private final String LOGTAG = "wine";
     private ProgressDialog progress_dialog;
@@ -263,4 +267,47 @@ public class WineActivity extends Activity
                 progress_dialog.incrementProgressBy( 1 ); }});
         }
     }
+
+    // The top-level desktop view group
+
+    protected class TopView extends ViewGroup
+    {
+        private int desktop_hwnd;
+
+        public TopView( Context context, int hwnd )
+        {
+            super( context );
+            desktop_hwnd = hwnd;
+        }
+
+        @Override
+        protected void onSizeChanged( int width, int height, int old_width, int old_height )
+        {
+            Log.i( LOGTAG, String.format( "desktop size %dx%d", width, height ));
+            wine_desktop_changed( width, height );
+        }
+
+        @Override
+        protected void onLayout( boolean changed, int left, int top, int right, int bottom )
+        {
+            // nothing to do
+        }
+    }
+
+    protected TopView top_view;
+
+    // Entry points for the device driver
+
+    public void create_desktop_window( int hwnd )
+    {
+        Log.i( LOGTAG, String.format( "create desktop view %08x", hwnd ));
+        top_view = new TopView( this, hwnd );
+        setContentView( top_view );
+        progress_dialog.dismiss();
+    }
+
+    public void createDesktopWindow( final int hwnd )
+    {
+        runOnUiThread( new Runnable() { public void run() { create_desktop_window( hwnd ); }} );
+    }
 }
diff --git a/dlls/wineandroid.drv/device.c b/dlls/wineandroid.drv/device.c
index 3180d69..f565534 100644
--- a/dlls/wineandroid.drv/device.c
+++ b/dlls/wineandroid.drv/device.c
@@ -48,10 +48,48 @@ static HANDLE stop_event;
 static HANDLE thread;
 static JNIEnv *jni_env;
 
-#ifdef __i386__
+#ifdef __i386__  /* the Java VM uses %fs for its own purposes, so we need to wrap the calls */
 static WORD orig_fs, java_fs;
+static inline void wrap_java_call(void)   { wine_set_fs( java_fs ); }
+static inline void unwrap_java_call(void) { wine_set_fs( orig_fs ); }
+#else
+static inline void wrap_java_call(void) { }
+static inline void unwrap_java_call(void) { }
 #endif  /* __i386__ */
 
+static jobject load_java_method( jmethodID *method, const char *name, const char *args )
+{
+    jobject object = wine_get_java_object();
+
+    if (!*method)
+    {
+        jclass class;
+
+        wrap_java_call();
+        class = (*jni_env)->GetObjectClass( jni_env, object );
+        *method = (*jni_env)->GetMethodID( jni_env, class, name, args );
+        unwrap_java_call();
+        if (!*method)
+        {
+            FIXME( "method %s not found\n", name );
+            return NULL;
+        }
+    }
+    return object;
+}
+
+static void create_desktop_window( HWND hwnd )
+{
+    static jmethodID method;
+    jobject object;
+
+    if (!(object = load_java_method( &method, "createDesktopWindow", "(I)V" ))) return;
+
+    wrap_java_call();
+    (*jni_env)->CallVoidMethod( jni_env, object, method, HandleToLong( hwnd ));
+    unwrap_java_call();
+}
+
 static NTSTATUS WINAPI ioctl_callback( DEVICE_OBJECT *device, IRP *irp )
 {
     IO_STACK_LOCATION *irpsp = IoGetCurrentIrpStackLocation( irp );
@@ -105,6 +143,8 @@ static DWORD CALLBACK device_thread( void *arg )
     (*java_vm)->AttachCurrentThread( java_vm, &jni_env, 0 );
 #endif
 
+    create_desktop_window( GetDesktopWindow() );
+
     RtlInitUnicodeString( &nameW, driver_nameW );
     if ((status = IoCreateDriver( &nameW, init_android_driver )))
     {