Examples with FileDescriptor java.io.FileDescriptor used on opensource projects

Example 41 with FileDescriptor

use of java.io.FileDescriptor in project XobotOS by xamarin.

the class MemoryMappedFile method mmapRO.

/**
     * Use this to mmap the whole file read-only.
     */
public static MemoryMappedFile mmapRO(String path) throws ErrnoException {
    FileDescriptor fd = Libcore.os.open(path, O_RDONLY, 0);
    long size = Libcore.os.fstat(fd).st_size;
    long address = Libcore.os.mmap(0L, size, PROT_READ, MAP_SHARED, fd, 0);
    Libcore.os.close(fd);
    return new MemoryMappedFile(address, size);
}

Example 42 with FileDescriptor

use of java.io.FileDescriptor in project XobotOS by xamarin.

the class IInputMethodWrapper method executeMessage.

public void executeMessage(Message msg) {
    InputMethod inputMethod = mInputMethod.get();
    // Need a valid reference to the inputMethod for everything except a dump.
    if (inputMethod == null && msg.what != DO_DUMP) {
        Log.w(TAG, "Input method reference was null, ignoring message: " + msg.what);
        return;
    }
    switch(msg.what) {
        case DO_DUMP:
            {
                AbstractInputMethodService target = mTarget.get();
                if (target == null) {
                    return;
                }
                HandlerCaller.SomeArgs args = (HandlerCaller.SomeArgs) msg.obj;
                try {
                    target.dump((FileDescriptor) args.arg1, (PrintWriter) args.arg2, (String[]) args.arg3);
                } catch (RuntimeException e) {
                    ((PrintWriter) args.arg2).println("Exception: " + e);
                }
                synchronized (args.arg4) {
                    ((CountDownLatch) args.arg4).countDown();
                }
                return;
            }
        case DO_ATTACH_TOKEN:
            {
                inputMethod.attachToken((IBinder) msg.obj);
                return;
            }
        case DO_SET_INPUT_CONTEXT:
            {
                inputMethod.bindInput((InputBinding) msg.obj);
                return;
            }
        case DO_UNSET_INPUT_CONTEXT:
            inputMethod.unbindInput();
            return;
        case DO_START_INPUT:
            {
                HandlerCaller.SomeArgs args = (HandlerCaller.SomeArgs) msg.obj;
                IInputContext inputContext = (IInputContext) args.arg1;
                InputConnection ic = inputContext != null ? new InputConnectionWrapper(inputContext) : null;
                EditorInfo info = (EditorInfo) args.arg2;
                info.makeCompatible(mTargetSdkVersion);
                inputMethod.startInput(ic, info);
                return;
            }
        case DO_RESTART_INPUT:
            {
                HandlerCaller.SomeArgs args = (HandlerCaller.SomeArgs) msg.obj;
                IInputContext inputContext = (IInputContext) args.arg1;
                InputConnection ic = inputContext != null ? new InputConnectionWrapper(inputContext) : null;
                EditorInfo info = (EditorInfo) args.arg2;
                info.makeCompatible(mTargetSdkVersion);
                inputMethod.restartInput(ic, info);
                return;
            }
        case DO_CREATE_SESSION:
            {
                inputMethod.createSession(new InputMethodSessionCallbackWrapper(mCaller.mContext, (IInputMethodCallback) msg.obj));
                return;
            }
        case DO_SET_SESSION_ENABLED:
            inputMethod.setSessionEnabled((InputMethodSession) msg.obj, msg.arg1 != 0);
            return;
        case DO_REVOKE_SESSION:
            inputMethod.revokeSession((InputMethodSession) msg.obj);
            return;
        case DO_SHOW_SOFT_INPUT:
            inputMethod.showSoftInput(msg.arg1, (ResultReceiver) msg.obj);
            return;
        case DO_HIDE_SOFT_INPUT:
            inputMethod.hideSoftInput(msg.arg1, (ResultReceiver) msg.obj);
            return;
        case DO_CHANGE_INPUTMETHOD_SUBTYPE:
            inputMethod.changeInputMethodSubtype((InputMethodSubtype) msg.obj);
            return;
    }
    Log.w(TAG, "Unhandled message code: " + msg.what);
}

Example 43 with FileDescriptor

use of java.io.FileDescriptor in project platform_frameworks_base by android.

the class IInputMethodWrapper method executeMessage.

@Override
public void executeMessage(Message msg) {
    InputMethod inputMethod = mInputMethod.get();
    // Need a valid reference to the inputMethod for everything except a dump.
    if (inputMethod == null && msg.what != DO_DUMP) {
        Log.w(TAG, "Input method reference was null, ignoring message: " + msg.what);
        return;
    }
    switch(msg.what) {
        case DO_DUMP:
            {
                AbstractInputMethodService target = mTarget.get();
                if (target == null) {
                    return;
                }
                SomeArgs args = (SomeArgs) msg.obj;
                try {
                    target.dump((FileDescriptor) args.arg1, (PrintWriter) args.arg2, (String[]) args.arg3);
                } catch (RuntimeException e) {
                    ((PrintWriter) args.arg2).println("Exception: " + e);
                }
                synchronized (args.arg4) {
                    ((CountDownLatch) args.arg4).countDown();
                }
                args.recycle();
                return;
            }
        case DO_ATTACH_TOKEN:
            {
                inputMethod.attachToken((IBinder) msg.obj);
                return;
            }
        case DO_SET_INPUT_CONTEXT:
            {
                inputMethod.bindInput((InputBinding) msg.obj);
                return;
            }
        case DO_UNSET_INPUT_CONTEXT:
            inputMethod.unbindInput();
            return;
        case DO_START_INPUT:
            {
                SomeArgs args = (SomeArgs) msg.obj;
                int missingMethods = msg.arg1;
                IInputContext inputContext = (IInputContext) args.arg1;
                InputConnection ic = inputContext != null ? new InputConnectionWrapper(mTarget, inputContext, missingMethods) : null;
                EditorInfo info = (EditorInfo) args.arg2;
                info.makeCompatible(mTargetSdkVersion);
                inputMethod.startInput(ic, info);
                args.recycle();
                return;
            }
        case DO_RESTART_INPUT:
            {
                SomeArgs args = (SomeArgs) msg.obj;
                int missingMethods = msg.arg1;
                IInputContext inputContext = (IInputContext) args.arg1;
                InputConnection ic = inputContext != null ? new InputConnectionWrapper(mTarget, inputContext, missingMethods) : null;
                EditorInfo info = (EditorInfo) args.arg2;
                info.makeCompatible(mTargetSdkVersion);
                inputMethod.restartInput(ic, info);
                args.recycle();
                return;
            }
        case DO_CREATE_SESSION:
            {
                SomeArgs args = (SomeArgs) msg.obj;
                inputMethod.createSession(new InputMethodSessionCallbackWrapper(mContext, (InputChannel) args.arg1, (IInputSessionCallback) args.arg2));
                args.recycle();
                return;
            }
        case DO_SET_SESSION_ENABLED:
            inputMethod.setSessionEnabled((InputMethodSession) msg.obj, msg.arg1 != 0);
            return;
        case DO_REVOKE_SESSION:
            inputMethod.revokeSession((InputMethodSession) msg.obj);
            return;
        case DO_SHOW_SOFT_INPUT:
            inputMethod.showSoftInput(msg.arg1, (ResultReceiver) msg.obj);
            return;
        case DO_HIDE_SOFT_INPUT:
            inputMethod.hideSoftInput(msg.arg1, (ResultReceiver) msg.obj);
            return;
        case DO_CHANGE_INPUTMETHOD_SUBTYPE:
            inputMethod.changeInputMethodSubtype((InputMethodSubtype) msg.obj);
            return;
    }
    Log.w(TAG, "Unhandled message code: " + msg.what);
}

Example 44 with FileDescriptor

use of java.io.FileDescriptor in project platform_frameworks_base by android.

the class ParcelFileDescriptor method fromData.

/**
     * @hide Please use createPipe() or ContentProvider.openPipeHelper().
     * Gets a file descriptor for a read-only copy of the given data.
     *
     * @param data Data to copy.
     * @param name Name for the shared memory area that may back the file descriptor.
     *        This is purely informative and may be {@code null}.
     * @return A ParcelFileDescriptor.
     * @throws IOException if there is an error while creating the shared memory area.
     */
@Deprecated
public static ParcelFileDescriptor fromData(byte[] data, String name) throws IOException {
    if (data == null)
        return null;
    MemoryFile file = new MemoryFile(name, data.length);
    if (data.length > 0) {
        file.writeBytes(data, 0, 0, data.length);
    }
    file.deactivate();
    FileDescriptor fd = file.getFileDescriptor();
    return fd != null ? new ParcelFileDescriptor(fd) : null;
}

Example 45 with FileDescriptor

use of java.io.FileDescriptor in project platform_frameworks_base by android.

the class ParcelFileDescriptor method adoptFd.

/**
     * Take ownership of a raw native fd in to a new ParcelFileDescriptor.
     * The returned ParcelFileDescriptor now owns the given fd, and will be
     * responsible for closing it.  You must not close the fd yourself.
     *
     * @param fd The native fd that the ParcelFileDescriptor should adopt.
     *
     * @return Returns a new ParcelFileDescriptor holding a FileDescriptor
     * for the given fd.
     */
public static ParcelFileDescriptor adoptFd(int fd) {
    final FileDescriptor fdesc = new FileDescriptor();
    fdesc.setInt$(fd);
    return new ParcelFileDescriptor(fdesc);
}