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Implements the ability to print the content of the own web view

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This commit is contained in:
Sebastián Katzer 2019-01-29 15:25:26 +01:00
parent 884e5c4862
commit ab67054f63
2 changed files with 67 additions and 2 deletions
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67
src/android/PrintManager.java
View File

@ -21,19 +21,24 @@
package de.appplant.cordova.plugin.printer;
import android.app.Activity;
import android.content.Context;
import android.graphics.Bitmap;
import android.print.PrintAttributes;
import android.print.PrintDocumentAdapter;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.print.PrintHelper;
import android.view.View;
import org.apache.cordova.engine.SystemWebView;
import org.json.JSONArray;
import org.json.JSONObject;
import java.io.InputStream;
import static android.content.Context.PRINT_SERVICE;
import static android.os.Build.VERSION.SDK_INT;
import static de.appplant.cordova.plugin.printer.PrintContent.ContentType.UNSUPPORTED;
class PrintManager {
@ -99,6 +104,7 @@ class PrintManager {
* @param callback The function to invoke once the job is done.
*/
void print (@Nullable String content, @NonNull JSONObject settings,
@NonNull View view,
@Nullable PrintHelper.OnPrintFinishCallback callback)
{
switch (PrintContent.getContentType(content, context))
@ -112,11 +118,56 @@ class PrintManager {
printPdf(content, settings, callback);
break;
case HTML:
if (content == null || content.isEmpty()) {
printView(view, settings);
} else {
printHtml(content, settings);
}
case PLAIN:
// TODO
// TODO implement me
default:
// TODO unsupported content
}
}
/**
* Prints the content of the specified view.
*
* @param view The web view instance to print.
* @param settings Additional settings how to render the content.
*/
private void printView (@NonNull View view, @NonNull JSONObject settings)
{
PrintOptions options = new PrintOptions(settings);
String jobName = options.getJobName();
SystemWebView webView = (SystemWebView) view;
((Activity) context).runOnUiThread(() -> {
PrintDocumentAdapter adapter;
if (SDK_INT >= 21) {
adapter = webView.createPrintDocumentAdapter(jobName);
} else {
adapter = webView.createPrintDocumentAdapter();
}
printAdapter(adapter, options);
});
}
/**
* Prints the HTML markup.
*
* @param content The HTML markup to print.
* @param settings Additional settings how to render the content.
*/
private void printHtml (@NonNull String content,
@NonNull JSONObject settings)
{
// TODO implement me
}
/**
* Prints the provided PDF document.
*
@ -134,6 +185,20 @@ class PrintManager {
PrintOptions options = new PrintOptions(settings);
String jobName = options.getJobName();
PrintAdapter adapter = new PrintAdapter(jobName, stream, callback);
printAdapter(adapter, options);
}
/**
* Prints the content provided by the print adapter.
*
* @param adapter The adapter that holds the content.
* @param options Additional settings how to render the content.
*/
private void printAdapter (@NonNull PrintDocumentAdapter adapter,
@NonNull PrintOptions options)
{
String jobName = options.getJobName();
PrintAttributes attrs = options.toPrintAttributes();
getPrintService().print(jobName, adapter, attrs);

2
src/android/Printer.java
View File

@ -126,7 +126,7 @@ public class Printer extends CordovaPlugin {
{
cordova.getThreadPool().execute(() -> {
PrintManager pm = new PrintManager(cordova.getContext());
pm.print(content, settings, callback::success);
pm.print(content, settings, webView.getView(), callback::success);
});
}