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/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.terminal;
import android.graphics.Color;
/**
* Single terminal session backed by a pseudo terminal on the local device.
*/
public class Terminal {
static {
System.loadLibrary("jni_terminal");
}
public static class Cell {
char[] chars = new char[2];
int width = 1;
boolean bold;
int underline;
boolean blink;
boolean reverse;
boolean strike;
int font;
int fgColor = Color.RED;
int bgColor = Color.BLUE;
}
public interface TerminalClient {
public void damage(int startRow, int endRow, int startCol, int endCol);
public void bell();
}
private final int mNativePtr;
private TerminalClient mClient;
private final TerminalCallbacks mCallbacks = new TerminalCallbacks() {
@Override
public int damage(int startRow, int endRow, int startCol, int endCol) {
if (mClient != null) {
mClient.damage(startRow, endRow, startCol, endCol);
}
return 1;
}
@Override
public int bell() {
if (mClient != null) {
mClient.bell();
}
return 1;
}
};
public Terminal() {
mNativePtr = nativeInit(mCallbacks, 25, 80);
// TODO: move all I/O into separate method; init should only be object setup
new Thread(new Runnable() {
@Override
public void run() {
nativeReadLoop(mNativePtr);
}
}).start();
}
public void setClient(TerminalClient client) {
mClient = client;
}
public void resize(int rows, int cols) {
if (nativeResize(mNativePtr, rows, cols) != 0) {
throw new IllegalStateException("resize failed");
}
}
public int getRows() {
return nativeGetRows(mNativePtr);
}
public int getCols() {
return nativeGetCols(mNativePtr);
}
public void getCell(int row, int col, Cell cell) {
if (nativeGetCell(mNativePtr, row, col, cell) != 0) {
throw new IllegalStateException("getCell failed");
}
}
private static native int nativeInit(TerminalCallbacks callbacks, int rows, int cols);
private static native int nativeReadLoop(int ptr);
private static native int nativeResize(int ptr, int rows, int cols);
private static native int nativeGetCell(int ptr, int row, int col, Cell cell);
private static native int nativeGetRows(int ptr);
private static native int nativeGetCols(int ptr);
}
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