diff options
Diffstat (limited to 'platform/android/src/com/artifex/mupdfdemo/PrintDialogActivity.java')
-rw-r--r-- | platform/android/src/com/artifex/mupdfdemo/PrintDialogActivity.java | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/platform/android/src/com/artifex/mupdfdemo/PrintDialogActivity.java b/platform/android/src/com/artifex/mupdfdemo/PrintDialogActivity.java deleted file mode 100644 index d96322d5..00000000 --- a/platform/android/src/com/artifex/mupdfdemo/PrintDialogActivity.java +++ /dev/null @@ -1,145 +0,0 @@ -package com.artifex.mupdfdemo; - -import java.io.ByteArrayOutputStream; -import java.io.InputStream; - -import android.app.Activity; -import android.content.ActivityNotFoundException; -import android.content.ContentResolver; -import android.content.Intent; -import android.os.Bundle; -import android.util.Base64; -import android.webkit.WebSettings; -import android.webkit.WebView; -import android.webkit.WebViewClient; - -public class PrintDialogActivity extends Activity { - private static final String PRINT_DIALOG_URL = "https://www.google.com/cloudprint/dialog.html"; - private static final String JS_INTERFACE = "AndroidPrintDialog"; - private static final String CONTENT_TRANSFER_ENCODING = "base64"; - - private static final String ZXING_URL = "http://zxing.appspot.com"; - private static final int ZXING_SCAN_REQUEST = 65743; - - /** - * Post message that is sent by Print Dialog web page when the printing dialog - * needs to be closed. - */ - private static final String CLOSE_POST_MESSAGE_NAME = "cp-dialog-on-close"; - - /** - * Web view element to show the printing dialog in. - */ - private WebView dialogWebView; - - /** - * Intent that started the action. - */ - Intent cloudPrintIntent; - - private int resultCode; - - @Override - public void onCreate(Bundle icicle) { - super.onCreate(icicle); - - resultCode = RESULT_OK; - setContentView(R.layout.print_dialog); - dialogWebView = (WebView) findViewById(R.id.webview); - cloudPrintIntent = this.getIntent(); - - WebSettings settings = dialogWebView.getSettings(); - settings.setJavaScriptEnabled(true); - - dialogWebView.setWebViewClient(new PrintDialogWebClient()); - dialogWebView.addJavascriptInterface( - new PrintDialogJavaScriptInterface(), JS_INTERFACE); - - dialogWebView.loadUrl(PRINT_DIALOG_URL); - } - - @Override - public void onActivityResult(int requestCode, int resultCode, Intent intent) { - if (requestCode == ZXING_SCAN_REQUEST && resultCode == RESULT_OK) { - dialogWebView.loadUrl(intent.getStringExtra("SCAN_RESULT")); - } - } - - final class PrintDialogJavaScriptInterface { - public String getType() { - return cloudPrintIntent.getType(); - } - - public String getTitle() { - return cloudPrintIntent.getExtras().getString("title"); - } - - public String getContent() { - try { - ContentResolver contentResolver = getContentResolver(); - InputStream is = contentResolver.openInputStream(cloudPrintIntent.getData()); - ByteArrayOutputStream baos = new ByteArrayOutputStream(); - - byte[] buffer = new byte[4096]; - int n = is.read(buffer); - while (n >= 0) { - baos.write(buffer, 0, n); - n = is.read(buffer); - } - is.close(); - baos.flush(); - - return Base64.encodeToString(baos.toByteArray(), Base64.DEFAULT); - } catch (Throwable e) { - resultCode = RESULT_CANCELED; - setResult(resultCode); - finish(); - e.printStackTrace(); - } - return ""; - } - - public String getEncoding() { - return CONTENT_TRANSFER_ENCODING; - } - - public void onPostMessage(String message) { - if (message.startsWith(CLOSE_POST_MESSAGE_NAME)) { - setResult(resultCode); - finish(); - } - } - } - - private final class PrintDialogWebClient extends WebViewClient { - @Override - public boolean shouldOverrideUrlLoading(WebView view, String url) { - if (url.startsWith(ZXING_URL)) { - Intent intentScan = new Intent("com.google.zxing.client.android.SCAN"); - intentScan.putExtra("SCAN_MODE", "QR_CODE_MODE"); - try { - startActivityForResult(intentScan, ZXING_SCAN_REQUEST); - } catch (ActivityNotFoundException error) { - view.loadUrl(url); - } - } else { - view.loadUrl(url); - } - return false; - } - - @Override - public void onPageFinished(WebView view, String url) { - if (PRINT_DIALOG_URL.equals(url)) { - // Submit print document. - view.loadUrl("javascript:printDialog.setPrintDocument(printDialog.createPrintDocument(" - + "window." + JS_INTERFACE + ".getType(),window." + JS_INTERFACE + ".getTitle()," - + "window." + JS_INTERFACE + ".getContent(),window." + JS_INTERFACE + ".getEncoding()))"); - - // Add post messages listener. - view.loadUrl("javascript:window.addEventListener('message'," - + "function(evt){window." + JS_INTERFACE + ".onPostMessage(evt.data)}, false)"); - } - } - } -} |