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[[ Issue 23087 ]] Implement onShowFileChooser in android browser #7521

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[[ Issue 23087 ]] Implement onShowFileChooser in android browser #7521

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1 change: 1 addition & 0 deletions docs/notes/bugfix-23087.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
# Support file input in Android browser forms
139 changes: 133 additions & 6 deletions engine/src/java/com/runrev/android/libraries/LibBrowser.java
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Expand Up @@ -16,7 +16,7 @@

package com.runrev.android.libraries;

import com.runrev.android.Engine;
import com.runrev.android.*;
import com.runrev.android.nativecontrol.NativeControlModule;

import android.app.AlertDialog;
Expand All @@ -29,12 +29,17 @@
import android.view.*;
import android.webkit.*;
import android.widget.*;
import android.net.*;
import android.os.*;;
import android.media.*;
import android.provider.*;

import java.lang.reflect.*;
import java.net.*;
import java.security.*;
import java.util.*;
import java.util.regex.*;
import java.io.*;

import org.json.JSONArray;
import org.json.JSONException;
Expand Down Expand Up @@ -236,8 +241,129 @@ public boolean onTouch(View v, MotionEvent event)
return !m_allow_user_interaction;
}
});

m_chrome_client = new WebChromeClient() {

class MCWebChromeClient extends WebChromeClient implements LiveCodeActivity.OnActivityResultListener
{
private static final int WEBVIEW_INPUT_FILE_RESULT = 9999;
private ValueCallback<Uri[]> m_browser_file_path_callback = null;
private File m_temp_image_file = null;

public void onActivityResult (int p_request_code, int p_result_code, Intent p_data)
{
LiveCodeActivity t_activity = (LiveCodeActivity)getContext();
t_activity.removeOnActivityResultListener(p_request_code);

switch (p_request_code)
{
case WEBVIEW_INPUT_FILE_RESULT:
Uri[] t_uris = null;
if (p_result_code == Activity.RESULT_OK)
{
if (p_data.getData() != null)
{
t_uris = WebChromeClient.FileChooserParams.parseResult(p_result_code, p_data);
}
else if (m_temp_image_file != null)
{
t_uris = new Uri[] {Uri.fromFile(m_temp_image_file)};
}
}

m_browser_file_path_callback.onReceiveValue(t_uris);
m_browser_file_path_callback = null;

if (m_temp_image_file != null)
{
FileProvider.getProvider(getContext()).removePath(m_temp_image_file.getPath());
m_temp_image_file = null;
}
default:
break;
}
}

@Override
public boolean onShowFileChooser(WebView p_webview, ValueCallback<Uri[]> p_file_path_callback, WebChromeClient.FileChooserParams p_file_chooser_params)
{
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
{
try {
LiveCodeActivity t_activity = (LiveCodeActivity)getContext();

Intent t_intent = p_file_chooser_params.createIntent();

List<Intent> t_extra_intents = new ArrayList<Intent>();

Intent t_gallery_intent = new Intent(Intent.ACTION_PICK, MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
t_gallery_intent.setType("image/*");
t_extra_intents.add(t_gallery_intent);

boolean t_have_temp_file = false;
try
{
// try external cache first
m_temp_image_file = File.createTempFile("img", ".jpg", t_activity.getExternalCacheDir());
m_temp_image_file.setWritable(true, false);
t_have_temp_file = true;
}
catch (IOException e)
{
m_temp_image_file = null;
t_have_temp_file = false;
}

if (!t_have_temp_file)
{
try
{
// now try internal cache - should succeed but may not have enough space on the device for large image files
m_temp_image_file = File.createTempFile("img", ".jpg", t_activity.getCacheDir());
m_temp_image_file.setWritable(true, false);
t_have_temp_file = true;
}
catch (IOException e)
{
m_temp_image_file = null;
t_have_temp_file = false;
}
}

if (t_have_temp_file)
{
String t_path = m_temp_image_file.getPath();

Uri t_uri;
t_uri = FileProvider.getProvider(getContext()).addPath(t_path, t_path, "image/jpeg", false, ParcelFileDescriptor.MODE_READ_WRITE);

Intent t_image_capture = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);

t_image_capture.putExtra(MediaStore.EXTRA_OUTPUT, t_uri);
t_image_capture.setFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
t_extra_intents.add(t_image_capture);
}

Intent t_chooser_intent = Intent.createChooser(t_intent, "Select a file");;
t_chooser_intent.putExtra(Intent.EXTRA_INITIAL_INTENTS, t_extra_intents.toArray(new Parcelable[] {}));

if (t_chooser_intent.resolveActivity(t_activity.getPackageManager()) == null)
{
return false;
}

m_browser_file_path_callback = p_file_path_callback;
t_activity.setOnActivityResultListener(this, WEBVIEW_INPUT_FILE_RESULT);
t_activity.startActivityForResult(t_chooser_intent, WEBVIEW_INPUT_FILE_RESULT);

return true;
}
catch (Exception e)
{

}
}
return false;
}

@Override
public void onShowCustomView(View view, CustomViewCallback callback)
{
Expand Down Expand Up @@ -362,9 +488,10 @@ public void onProgressChanged(WebView p_view, int p_progress)
doProgressChanged(p_view.getUrl(), p_progress);
wakeEngineThread();
}

};

}

m_chrome_client = new MCWebChromeClient();

setWebChromeClient(m_chrome_client);
getSettings().setJavaScriptEnabled(true);
getSettings().setAllowFileAccessFromFileURLs(true);
Expand Down