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implement file sharing by file descriptor

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Using custom gdbus code, as libportal doesn't expose the raw
org.freedesktop.portal.OpenURI.OpenFile method.
This commit is contained in:
Julian Winkler
2024-08-29 13:51:08 +02:00
parent 265ac895d3
commit f3092fd4bd
9 changed files with 240 additions and 2 deletions
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5
src/api-impl/android/content/ContentProvider.java
View File

@@ -6,6 +6,7 @@ import java.util.Map;
import android.content.pm.PackageParser;
import android.database.Cursor;
import android.net.Uri;
import android.os.ParcelFileDescriptor;
public abstract class ContentProvider {
@@ -34,4 +35,8 @@ public abstract class ContentProvider {
public abstract int delete(Uri uri, String selection, String[] selectionArgs);
public abstract String getType(Uri uri);
public abstract ParcelFileDescriptor openFile(Uri uri, String mode);
}

18
src/api-impl/android/content/ContentResolver.java
View File

@@ -23,7 +23,15 @@ public class ContentResolver {
}
public ParcelFileDescriptor openFileDescriptor(Uri uri, String mode) throws FileNotFoundException {
return ParcelFileDescriptor.open(new File(uri.toString()), ParcelFileDescriptor.parseMode(mode));
if ("file".equals(uri.getScheme())) {
return ParcelFileDescriptor.open(new File(uri.toString()), ParcelFileDescriptor.parseMode(mode));
} else {
ContentProvider provider = ContentProvider.providers.get(uri.getAuthority());
if (provider != null)
return provider.openFile(uri, mode);
else
return null;
}
}
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) {
@@ -53,4 +61,12 @@ public class ContentResolver {
else
return null;
}
public String getType(Uri uri) {
ContentProvider provider = ContentProvider.providers.get(uri.getAuthority());
if (provider != null)
return provider.getType(uri);
else
return null;
}
}

11
src/api-impl/android/content/Context.java
View File

@@ -35,6 +35,7 @@ import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Looper;
import android.os.ParcelFileDescriptor;
import android.os.PowerManager;
import android.os.Vibrator;
import android.telephony.TelephonyManager;
@@ -116,6 +117,7 @@ public class Context extends Object {
private static native String native_get_apk_path();
protected static native void native_updateConfig(Configuration config);
private static native void nativeOpenFile(int fd);
static Application createApplication(long native_window) throws Exception {
Application application;
@@ -494,6 +496,15 @@ public class Context extends Object {
ClipboardManager.native_set_clipboard(text);
} else if (intent.getData() != null) {
Slog.i(TAG, "starting extern activity with intent: " + intent);
if (intent.getData().getScheme().equals("content")) {
try {
ParcelFileDescriptor fd = getContentResolver().openFileDescriptor(intent.getData(), "r");
nativeOpenFile(fd.getFd());
return;
} catch (FileNotFoundException e) {
e.printStackTrace();
}
}
Activity.nativeOpenURI(String.valueOf(intent.getData()));
}
return;

11
src/api-impl/android/content/SearchRecentSuggestionsProvider.java
View File

@@ -2,6 +2,7 @@ package android.content;
import android.database.Cursor;
import android.net.Uri;
import android.os.ParcelFileDescriptor;
public class SearchRecentSuggestionsProvider extends ContentProvider {
public void setupSuggestions(String s, int i) {}
@@ -20,4 +21,14 @@ public class SearchRecentSuggestionsProvider extends ContentProvider {
public int delete(Uri uri, String selection, String[] selectionArgs) {
throw new UnsupportedOperationException("Unimplemented method 'delete'");
}
@Override
public String getType(Uri uri) {
throw new UnsupportedOperationException("Unimplemented method 'getType'");
}
@Override
public ParcelFileDescriptor openFile(Uri uri, String mode) {
throw new UnsupportedOperationException("Unimplemented method 'openFile'");
}
}