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| 1 | import java.io.IOException; | |
| 2 | import android.annotation.SuppressLint; | |
| 3 | import android.content.Context; | |
| 4 | import android.graphics.Canvas; | |
| 5 | import android.graphics.Color; | |
| 6 | import android.hardware.Camera; | |
| 7 | import android.util.Log; | |
| 8 | import android.view.SurfaceHolder; | |
| 9 | import android.view.SurfaceView; | |
| 10 | import android.view.ViewGroup; | |
| 11 | import android.webkit.WebView; | |
| 12 | ||
| 13 | import com.MyCustomContext; | |
| 14 | ||
| 15 | ||
| 16 | public class CameraPluginView extends ViewGroup implements SurfaceHolder.Callback {
| |
| 17 | private final String TAG = "camera.CameraPluginView"; | |
| 18 | ||
| 19 | MyCustomContext customContext; | |
| 20 | SurfaceView surfaceView; | |
| 21 | public WebView overlayWebView; | |
| 22 | ||
| 23 | Camera camera; | |
| 24 | ||
| 25 | public CameraPluginView(final MyCustomContext customContext){
| |
| 26 | super(customContext); | |
| 27 | this.setBackgroundColor(Color.WHITE); | |
| 28 | this.customContext = customContext; | |
| 29 | - | this.surfaceView = new SurfaceView(context); |
| 29 | + | this.surfaceView = new SurfaceView(customContext); |
| 30 | this.surfaceView.getHolder().addCallback(this); | |
| 31 | this.addView(this.surfaceView); | |
| 32 | context.getActivity().runOnUiThread(new Runnable() {
| |
| 33 | @SuppressLint("SetJavaScriptEnabled")
| |
| 34 | public void run(){
| |
| 35 | addView(surfaceView); | |
| 36 | - | overlayWebView = new OverlayWebView(context); |
| 36 | + | overlayWebView = new OverlayWebView(customContext); |
| 37 | overlayWebView.getSettings().setJavaScriptEnabled(true); | |
| 38 | overlayWebView.getSettings().setDatabaseEnabled(true); | |
| 39 | overlayWebView.addJavascriptInterface( | |
| 40 | new Object() {
| |
| 41 | @SuppressWarnings("unused")
| |
| 42 | public void callParentView(final String js){
| |
| 43 | context.getActivity().runOnUiThread(new Runnable(){
| |
| 44 | public void run(){
| |
| 45 | context.loadUrl("javascript:" + js);
| |
| 46 | } | |
| 47 | }); | |
| 48 | } | |
| 49 | }, | |
| 50 | "root" | |
| 51 | ); | |
| 52 | overlayWebView.setBackgroundColor(0 << 24); | |
| 53 | overlayWebView.setLayerType(WebView.LAYER_TYPE_SOFTWARE, null); | |
| 54 | addView(overlayWebView); | |
| 55 | } | |
| 56 | }); | |
| 57 | } | |
| 58 | ||
| 59 | public CameraPluginView(Context context){
| |
| 60 | super(context); | |
| 61 | } | |
| 62 | ||
| 63 | public void setCamera(Camera camera){
| |
| 64 | this.camera = camera; | |
| 65 | if(camera != null){
| |
| 66 | try {
| |
| 67 | this.camera.setPreviewDisplay(this.surfaceView.getHolder()); | |
| 68 | this.camera.startPreview(); | |
| 69 | } catch (IOException e) {
| |
| 70 | e.printStackTrace(); | |
| 71 | } | |
| 72 | this.requestLayout(); | |
| 73 | } | |
| 74 | } | |
| 75 | ||
| 76 | @Override | |
| 77 | public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
| |
| 78 | if(this.camera != null){
| |
| 79 | this.setCamera(this.camera); | |
| 80 | } | |
| 81 | } | |
| 82 | ||
| 83 | @Override | |
| 84 | public void surfaceCreated(SurfaceHolder holder) {
| |
| 85 | if(this.camera != null){
| |
| 86 | this.setCamera(this.camera); | |
| 87 | } | |
| 88 | } | |
| 89 | ||
| 90 | @Override | |
| 91 | protected void onLayout(boolean changed, int l, int t, int r, int b){
| |
| 92 | int width = r - l; | |
| 93 | int height = b - t; | |
| 94 | this.getChildAt(0).layout(0, 0, width, height); | |
| 95 | if(this.getChildCount() > 1){
| |
| 96 | this.getChildAt(1).layout(0, 0, width, height); | |
| 97 | } | |
| 98 | } | |
| 99 | } | |
| 100 | ||
| 101 | class OverlayWebView extends WebView {
| |
| 102 | ||
| 103 | public OverlayWebView(Context context) {
| |
| 104 | super(context); | |
| 105 | } | |
| 106 | ||
| 107 | @Override | |
| 108 | protected void onDraw(Canvas canvas) {
| |
| 109 | super.onDraw(canvas); | |
| 110 | invalidate(); // Invalidate all the time so there is no lag on display. | |
| 111 | } | |
| 112 | ||
| 113 | } |