WlHelper: Clipboard

green-green-avk · Jan 10, 2022 · 9178d9f · 9178d9f
1 parent d7f4ab0
commit 9178d9f
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Showing 13 changed files with 554 additions and 50 deletions.
diff --git a/app/build.gradle b/app/build.gradle
@@ -117,4 +117,5 @@ dependencies {
     implementation project(path: ':bluetoothspp')
     implementation 'me.saket:better-link-movement-method:2.2.0'
     implementation project(path: ':wayland')
+    implementation 'org.apache.httpcomponents:httpcore:4.4.15'
 }
diff --git a/app/src/main/java/green_green_avk/anotherterm/App.java b/app/src/main/java/green_green_avk/anotherterm/App.java
@@ -7,6 +7,7 @@
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 
+import green_green_avk.anotherterm.wlterm.WlTermServer;
 import green_green_avk.libusbmanager.LibUsbManager;
 
 public final class App extends Application {

diff --git a/app/src/main/java/green_green_avk/anotherterm/GraphicsCompositor.java b/app/src/main/java/green_green_avk/anotherterm/GraphicsCompositor.java
@@ -60,9 +60,24 @@ public interface Sink {
         void destroySurface(@NonNull Surface surface);
     }
 
+    public interface ClipboardContentCb {
+        void clipboardContent(@NonNull String mime, @NonNull byte[] data);
+    }
+
+    public interface AuxSource {
+        void clipboardContent(@NonNull String mime, @NonNull byte[] data);
+
+        void clipboardContentRequest(@NonNull String mime, @NonNull ClipboardContentCb cb);
+    }
+
+    public static final AuxSource emptyAuxSource = null;
+
     public Source source = null;
     private volatile Sink sink = null;
 
+    @Nullable
+    public AuxSource auxSource = emptyAuxSource;
+
     public void setSink(@Nullable final Sink sink) {
         this.sink = sink;
         synchronized (treeLock) {
@@ -361,6 +376,21 @@ public void onKeyboardFocusChange(@Nullable final Surface focus) {
         }
     }
 
+    public boolean hasClipboard() {
+        return auxSource != null;
+    }
+
+    public void postClipboardContent(@NonNull final String mime, @NonNull final byte[] data) {
+        if (auxSource != null)
+            auxSource.clipboardContent(mime, data);
+    }
+
+    public void requestClipboardContent(@NonNull final String mime,
+                                        @NonNull final ClipboardContentCb cb) {
+        if (auxSource != null)
+            auxSource.clipboardContentRequest(mime, cb);
+    }
+
     @UiThread
     public void stop() {
         source.onStop();

diff --git a/app/src/main/java/green_green_avk/anotherterm/GraphicsConsoleActivity.java b/app/src/main/java/green_green_avk/anotherterm/GraphicsConsoleActivity.java
@@ -17,13 +17,19 @@
 import androidx.annotation.Keep;
 import androidx.annotation.Nullable;
 
+import org.apache.http.entity.ContentType;
+
+import java.nio.charset.Charset;
+import java.nio.charset.UnsupportedCharsetException;
 import java.util.NoSuchElementException;
 
 import green_green_avk.anotherterm.ui.ConsoleKeyboardView;
 import green_green_avk.anotherterm.ui.FontProvider;
 import green_green_avk.anotherterm.ui.GraphicsCompositorView;
 import green_green_avk.anotherterm.ui.MouseButtonsWorkAround;
 import green_green_avk.anotherterm.ui.ScreenMouseView;
+import green_green_avk.anotherterm.ui.UiUtils;
+import green_green_avk.anotherterm.utils.Misc;
 
 public final class GraphicsConsoleActivity extends ConsoleActivity {
     private GraphicsSession mSession = null;
@@ -207,6 +213,32 @@ public void onSwitchIme(final View view) {
         mCkv.setMode(mode);
     }
 
+    public void onFromXClipboard(final View view) {
+        mSession.compositor.requestClipboardContent("", (mime, data) -> runOnUiThread(() -> {
+            final ContentType ct;
+            try {
+                ct = ContentType.parse(mime);
+            } catch (final UnsupportedCharsetException e) {
+                return;
+            }
+            if ("text/plain".equals(ct.getMimeType())) {
+                final String text;
+                try {
+                    final Charset cs = ct.getCharset();
+                    text = new String(data, cs != null ? cs : Misc.UTF8);
+                } catch (final UnsupportedCharsetException e) {
+                    return;
+                }
+                UiUtils.toClipboard(GraphicsConsoleActivity.this, text);
+            }
+        }));
+    }
+
+    public void onToXClipboard(final View view) {
+        mSession.compositor.postClipboardContent("text/plain; charset=utf8",
+                Misc.toUTF8(UiUtils.textFromClipboard(this).toString()));
+    }
+
     final MouseButtonsWorkAround mbwa = new MouseButtonsWorkAround(this);
 
     @Override

diff --git a/app/src/main/java/green_green_avk/anotherterm/ui/UiUtils.java b/app/src/main/java/green_green_avk/anotherterm/ui/UiUtils.java
@@ -112,7 +112,7 @@ public static void share(@NonNull final Activity ctx, @NonNull final Uri uri) {
     }
 
     @NonNull
-    public static Uri uriFromClipboard(@NonNull final Context ctx) {
+    private static ClipData.Item firstItemFromClipboard(@NonNull final Context ctx) {
         final ClipboardManager clipboard = (ClipboardManager) ctx.getSystemService(Context.CLIPBOARD_SERVICE);
         if (clipboard == null) throw new IllegalStateException("Can't get ClipboardManager");
         if (!clipboard.hasPrimaryClip()) throw new IllegalStateException("Clipboard is empty");
@@ -121,11 +121,23 @@ public static Uri uriFromClipboard(@NonNull final Context ctx) {
             throw new IllegalStateException("Clipboard is empty");
         final ClipData.Item clipItem = clipData.getItemAt(0);
         if (clipItem == null) throw new IllegalStateException("Clipboard is empty");
+        return clipItem;
+    }
+
+    @NonNull
+    public static Uri uriFromClipboard(@NonNull final Context ctx) {
+        final ClipData.Item clipItem = firstItemFromClipboard(ctx);
         Uri uri = clipItem.getUri();
         if (uri == null) uri = Uri.parse(clipItem.coerceToText(ctx).toString());
         return uri;
     }
 
+    @NonNull
+    public static CharSequence textFromClipboard(@NonNull final Context ctx) {
+        final ClipData.Item clipItem = firstItemFromClipboard(ctx);
+        return clipItem.coerceToText(ctx).toString();
+    }
+
     public static void uriToClipboard(@NonNull final Context ctx, @NonNull final Uri uri,
                                       @NonNull final String title) {
         final ClipboardManager clipboard = (ClipboardManager) ctx.getSystemService(Context.CLIPBOARD_SERVICE);

diff --git a/app/src/main/java/green_green_avk/anotherterm/wlterm/WlOwnCustomException.java b/app/src/main/java/green_green_avk/anotherterm/wlterm/WlOwnCustomException.java
@@ -0,0 +1,15 @@
+package green_green_avk.anotherterm.wlterm;
+
+import androidx.annotation.NonNull;
+
+public class WlOwnCustomException extends Exception {
+    public WlOwnCustomException() {
+        super();
+    }
+
+    @Override
+    @NonNull
+    public synchronized Throwable fillInStackTrace() {
+        return this;
+    }
+}