mirror of
https://github.com/gsantner/dandelion
synced 2025-12-16 01:01:11 +01:00
Replace WebView with new subclass ContextMenuWebView to allow long clicks on urls and images for sharing links, copying them to clipboard, saving images to external memory and opening them in external browsers.
This commit is contained in:
Paul Schaub
parent
760fca5150
commit
a310151b93
5 changed files with 208 additions and 6 deletions
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@ -69,6 +69,7 @@ import android.widget.ProgressBar;
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import android.widget.RadioButton;
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import android.widget.RadioGroup;
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import android.widget.TextView;
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import android.widget.Toast;
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import com.getbase.floatingactionbutton.FloatingActionsMenu;
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import com.github.dfa.diaspora_android.App;
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@ -77,6 +78,7 @@ import com.github.dfa.diaspora_android.data.AppSettings;
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import com.github.dfa.diaspora_android.data.WebUserProfile;
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import com.github.dfa.diaspora_android.listener.SoftKeyboardStateWatcher;
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import com.github.dfa.diaspora_android.listener.WebUserProfileChangedListener;
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import com.github.dfa.diaspora_android.ui.ContextMenuWebView;
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import com.github.dfa.diaspora_android.util.Helpers;
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import org.json.JSONException;
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@ -96,6 +98,7 @@ public class MainActivity extends AppCompatActivity
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static final int INPUT_FILE_REQUEST_CODE = 1;
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private static final int REQUEST_CODE_ASK_PERMISSIONS = 123;
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public static final int REQUEST_CODE_ASK_PERMISSIONS_SAVE_IMAGE = 124;
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private static final String URL_MESSAGE = "URL_MESSAGE";
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private App app;
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@ -120,7 +123,7 @@ public class MainActivity extends AppCompatActivity
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Toolbar toolbar;
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@Bind(R.id.webView)
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WebView webView;
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ContextMenuWebView webView;
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@Bind(R.id.fab_menubutton)
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FloatingActionsMenu fab;
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@ -147,6 +150,9 @@ public class MainActivity extends AppCompatActivity
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appSettings = app.getSettings();
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webUserProfile = new WebUserProfile(app, uiHandler, this);
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this.registerForContextMenu(webView);
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webView.setParentActivity(this);
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// Setup toolbar
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setSupportActionBar(toolbar);
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toolbar.setOnClickListener(new View.OnClickListener() {
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@ -599,7 +605,7 @@ public class MainActivity extends AppCompatActivity
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if (hasWRITE_EXTERNAL_STORAGE != PackageManager.PERMISSION_GRANTED) {
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if (!shouldShowRequestPermissionRationale(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
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new AlertDialog.Builder(MainActivity.this)
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.setMessage(R.string.permissions)
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.setMessage(R.string.permissions_screenshot)
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.setPositiveButton(getString(R.string.yes), new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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@ -662,7 +668,7 @@ public class MainActivity extends AppCompatActivity
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if (hasWRITE_EXTERNAL_STORAGE != PackageManager.PERMISSION_GRANTED) {
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if (!shouldShowRequestPermissionRationale(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
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new AlertDialog.Builder(MainActivity.this)
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.setMessage(R.string.permissions)
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.setMessage(R.string.permissions_screenshot)
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.setPositiveButton(getString(R.string.yes), new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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@ -1095,4 +1101,22 @@ public class MainActivity extends AppCompatActivity
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return true;
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}
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@Override
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public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
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switch (requestCode) {
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case REQUEST_CODE_ASK_PERMISSIONS_SAVE_IMAGE:
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if (grantResults.length == 1 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
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Toast.makeText(this, R.string.permission_granted_try_again, Toast.LENGTH_SHORT).show();
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}
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else {
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Toast.makeText(this, R.string.permission_denied, Toast.LENGTH_SHORT).show();
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}
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return;
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default:
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super.onRequestPermissionsResult(requestCode, permissions,
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grantResults);
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}
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}
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}
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@ -0,0 +1,153 @@
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package com.github.dfa.diaspora_android.ui;
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import android.Manifest;
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import android.app.Activity;
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import android.app.AlertDialog;
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import android.app.DownloadManager;
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import android.content.ClipData;
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import android.content.ClipboardManager;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.content.pm.PackageManager;
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import android.net.Uri;
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import android.os.Environment;
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import android.util.AttributeSet;
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import android.view.ContextMenu;
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import android.view.MenuItem;
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import android.webkit.WebView;
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import android.widget.Toast;
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import com.github.dfa.diaspora_android.R;
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import com.github.dfa.diaspora_android.activity.MainActivity;
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import java.io.File;
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/**
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* Subclass of WebView which adds a context menu for long clicks on images or links to share, save
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* or open with another browser
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*/
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public class ContextMenuWebView extends WebView {
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public static final int ID_SAVE_IMAGE = 10;
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public static final int ID_EXTERNAL_BROWSER = 11;
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public static final int ID_COPY_LINK = 12;
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public static final int ID_SHARE_LINK = 13;
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private Context context;
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private Activity parentActivity;
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public ContextMenuWebView(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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this.context = context;
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}
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public ContextMenuWebView(Context context, AttributeSet attrs) {
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super(context, attrs);
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this.context = context;
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}
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@Override
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protected void onCreateContextMenu(ContextMenu menu) {
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super.onCreateContextMenu(menu);
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HitTestResult result = getHitTestResult();
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MenuItem.OnMenuItemClickListener handler = new MenuItem.OnMenuItemClickListener() {
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public boolean onMenuItemClick(MenuItem item) {
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HitTestResult result = getHitTestResult();
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String url = result.getExtra();
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switch(item.getItemId()) {
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//Save image to external memory
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case ID_SAVE_IMAGE: {
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boolean writeToStoragePermitted = true;
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if (android.os.Build.VERSION.SDK_INT >= 23) {
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int hasWRITE_EXTERNAL_STORAGE = parentActivity.checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE);
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if (hasWRITE_EXTERNAL_STORAGE != PackageManager.PERMISSION_GRANTED) {
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writeToStoragePermitted = false;
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if (!parentActivity.shouldShowRequestPermissionRationale(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
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new AlertDialog.Builder(parentActivity)
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.setMessage(R.string.permissions_images)
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.setPositiveButton(context.getText(R.string.yes), new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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if (android.os.Build.VERSION.SDK_INT >= 23)
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parentActivity.requestPermissions(new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},
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MainActivity.REQUEST_CODE_ASK_PERMISSIONS_SAVE_IMAGE);
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}
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})
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.setNegativeButton(context.getText(R.string.no), null)
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.show();
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}
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parentActivity.requestPermissions(new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},
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MainActivity.REQUEST_CODE_ASK_PERMISSIONS_SAVE_IMAGE);
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}
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}
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if(writeToStoragePermitted) {
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if (url != null) {
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Uri source = Uri.parse(url);
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DownloadManager.Request request = new DownloadManager.Request(source);
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File destinationFile = new File(Environment.getExternalStorageDirectory() + "/Pictures/Diaspora/"
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+ source.getLastPathSegment());
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request.setDestinationUri(Uri.fromFile(destinationFile));
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((DownloadManager) context.getSystemService(Context.DOWNLOAD_SERVICE)).enqueue(request);
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Toast.makeText(context, context.getText(R.string.toast_saved_image_to_location) + " " +
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destinationFile.getAbsolutePath(), Toast.LENGTH_LONG).show();
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}
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}
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}
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break;
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case ID_EXTERNAL_BROWSER:
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if(url != null) {
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Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
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context.startActivity(intent);
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}
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break;
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//Copy url to clipboard
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case ID_COPY_LINK:
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if(url != null) {
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ClipboardManager clipboard = (ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
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clipboard.setPrimaryClip(ClipData.newPlainText("text", url));
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Toast.makeText(context, R.string.toast_link_address_copied, Toast.LENGTH_SHORT).show();
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}
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break;
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//Try to share link to other apps
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case ID_SHARE_LINK:
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if(url != null) {
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Intent sendIntent = new Intent();
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sendIntent.setAction(Intent.ACTION_SEND);
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sendIntent.putExtra(Intent.EXTRA_TEXT, url);
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sendIntent.setType("text/plain");
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context.startActivity(Intent.createChooser(sendIntent, getResources()
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.getText(R.string.context_menu_share_link)));
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}
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break;
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}
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return true;
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}
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};
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//Build context menu
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if (result.getType() == HitTestResult.IMAGE_TYPE ||
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result.getType() == HitTestResult.SRC_IMAGE_ANCHOR_TYPE) {
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// Menu options for an image.
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menu.setHeaderTitle(result.getExtra());
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menu.add(0, ID_SAVE_IMAGE, 0, context.getString(R.string.context_menu_save_image)).setOnMenuItemClickListener(handler);
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menu.add(0, ID_EXTERNAL_BROWSER, 0, context.getString(R.string.context_menu_open_external_browser)).setOnMenuItemClickListener(handler);
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}
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else if (result.getType() == HitTestResult.ANCHOR_TYPE ||
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result.getType() == HitTestResult.SRC_ANCHOR_TYPE) {
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// Menu options for a hyperlink.
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menu.setHeaderTitle(result.getExtra());
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menu.add(0, ID_COPY_LINK, 0, context.getString(R.string.context_menu_copy_link)).setOnMenuItemClickListener(handler);
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menu.add(0, ID_SHARE_LINK, 0, context.getString(R.string.context_menu_share_link)).setOnMenuItemClickListener(handler);
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}
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}
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public void setParentActivity(Activity activity) {
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this.parentActivity = activity;
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}
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}
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