2013-09-22 18:50:40 +02:00

349 lines
13 KiB
Java

package com.cradle.iitc_mobile;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.ClipData;
import android.content.ClipboardManager;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.DialogInterface.OnMultiChoiceClickListener;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.util.Log;
import android.view.View;
import android.webkit.JavascriptInterface;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.Toast;
import com.cradle.iitc_mobile.IITC_NavigationHelper.Pane;
import com.cradle.iitc_mobile.share.ShareActivity;
import org.json.JSONArray;
import org.json.JSONException;
import java.util.HashMap;
import java.util.Locale;
// provide communication between IITC script and android app
public class IITC_JSInterface {
// context of main activity
private final Context mContext;
private final HashMap<String, String> mLayerIds;
private boolean[] mOverlayIsActive;
private int mActiveBaseLayer;
private String[] mOverlayLayers, mBaseLayers;
private int mNumBaseLayers;
private int mNumOverlayLayers;
IITC_JSInterface(Context c) {
mLayerIds = new HashMap<String, String>();
mContext = c;
}
// open dialog to send geo intent for navigation apps like gmaps or waze etc...
@JavascriptInterface
public void intentPosLink(double lat, double lng, int zoom, String title, boolean isPortal) {
Intent intent = new Intent(mContext, ShareActivity.class);
intent.putExtra("lat", lat);
intent.putExtra("lng", lng);
intent.putExtra("zoom", zoom);
intent.putExtra("title", title);
intent.putExtra("isPortal", isPortal);
mContext.startActivity(intent);
}
// share a string to the IITC share activity. only uses the share tab.
@JavascriptInterface
public void shareString(String str) {
Intent intent = new Intent(mContext, ShareActivity.class);
intent.putExtra("shareString", str);
intent.putExtra("onlyShare", true);
mContext.startActivity(intent);
}
// disable javascript injection while spinner is enabled
// prevent the spinner from closing automatically
@JavascriptInterface
public void spinnerEnabled(boolean en) {
Log.d("iitcm", "disableJS? " + en);
((IITC_Mobile) mContext).getWebView().disableJS(en);
}
// copy link to specific portal to android clipboard
@JavascriptInterface
public void copy(String s) {
ClipboardManager clipboard = (ClipboardManager) mContext
.getSystemService(Context.CLIPBOARD_SERVICE);
ClipData clip = ClipData.newPlainText("Copied Text ", s);
clipboard.setPrimaryClip(clip);
Toast.makeText(mContext, "copied to clipboard", Toast.LENGTH_SHORT)
.show();
}
@JavascriptInterface
public int getVersionCode() {
int versionCode = 0;
try {
PackageInfo pInfo = mContext.getPackageManager()
.getPackageInfo(mContext.getPackageName(), 0);
versionCode = pInfo.versionCode;
} catch (PackageManager.NameNotFoundException e) {
e.printStackTrace();
}
return versionCode;
}
@JavascriptInterface
public void switchToPane(final String id) {
final IITC_Mobile iitcm = (IITC_Mobile) mContext;
iitcm.runOnUiThread(new Runnable() {
@Override
public void run() {
Pane pane;
try {
pane = Pane.valueOf(id.toUpperCase(Locale.getDefault()));
} catch (IllegalArgumentException e) {
pane = Pane.MAP;
}
iitcm.setCurrentPane(pane);
}
});
}
@JavascriptInterface
public void dialogOpened(String id, boolean open) {
((IITC_Mobile) mContext).dialogOpened(id, open);
}
@JavascriptInterface
public void dialogFocused(String id) {
((IITC_Mobile) mContext).setFocusedDialog(id);
}
@JavascriptInterface
public void removeSplashScreen() {
Log.d("iitcm", "removing splash screen");
final IITC_Mobile iitc = ((IITC_Mobile) mContext);
iitc.runOnUiThread(new Runnable() {
@Override
public void run() {
iitc.setLoadingState(false);
}
});
}
// get layers and list them in a dialog
@JavascriptInterface
public void setLayers(String base_layer, String overlay_layer) {
/*
* the layer strings have a form like:
* [{"layerId":27,"name":"MapQuest OSM","active":true},
* {"layerId":28,"name":"Default Ingress Map","active":false}]
* Put it in a JSONArray and parse it
*/
JSONArray base_layersJSON = null;
JSONArray overlay_layersJSON = null;
try {
base_layersJSON = new JSONArray(base_layer);
overlay_layersJSON = new JSONArray(overlay_layer);
} catch (JSONException e) {
e.printStackTrace();
}
// get length and initialize arrays
mNumBaseLayers = base_layersJSON.length();
mNumOverlayLayers = overlay_layersJSON.length();
mOverlayIsActive = new boolean[mNumOverlayLayers];
mOverlayLayers = new String[mNumOverlayLayers];
mBaseLayers = new String[mNumBaseLayers];
mLayerIds.clear();
// --------------- base layers ------------------------
for (int i = 0; i < mNumBaseLayers; ++i) {
try {
String layer = base_layersJSON.getString(i);
layer = layer.replace("{", "");
layer = layer.replace("}", "");
/*
* we now should have a string like
* ["layerId":27,"name":"MapQuest OSM","active":true]
* split it on ,
*/
String[] layers = layer.split(",");
/*
* we should have 3 strings in a form like
* "name":"MapQuest OSM"
* get the values and get rid of the quotation marks
*/
String id = "";
String name = "";
boolean isActive = false;
for (String b_layer : layers) {
String[] values = b_layer.split(":");
if (values[0].contains("active")) isActive = values[1].equals("true");
if (values[0].contains("layerId")) id = values[1];
if (values[0].contains("name")) name = values[1];
}
name = name.replace("\"", "");
mLayerIds.put(name, id);
this.mBaseLayers[i] = name;
if (isActive) mActiveBaseLayer = i;
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
// --------------- overlay layers ------------------------
for (int i = 0; i < mNumOverlayLayers; ++i) {
try {
String layer = overlay_layersJSON.getString(i);
layer = layer.replace("{", "");
layer = layer.replace("}", "");
String[] layers = layer.split(",");
String id = "";
String name = "";
boolean isActive = false;
for (String o_layer : layers) {
String[] values = o_layer.split(":");
if (values[0].contains("active")) isActive = values[1].equals("true");
if (values[0].contains("layerId")) id = values[1];
if (values[0].contains("name")) name = values[1];
}
name = name.replace("\"", "");
mLayerIds.put(name, id);
this.mOverlayLayers[i] = name;
this.mOverlayIsActive[i] = isActive;
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
// show overlay layers by default
showMultiSelection();
}
@JavascriptInterface
public void addPortalHighlighter(final String name) {
final IITC_Mobile iitc = ((IITC_Mobile) mContext);
iitc.runOnUiThread(new Runnable() {
@Override
public void run() {
iitc.getNavigationHelper().addPortalHighlighter(name);
}
});
}
@JavascriptInterface
public void setActiveHighlighter(final String name) {
final IITC_Mobile iitc = ((IITC_Mobile) mContext);
iitc.runOnUiThread(new Runnable() {
@Override
public void run() {
iitc.getNavigationHelper().setActiveHighlighter(name);
}
});
}
// show all overlay layers in a multi selection list dialog
private void showMultiSelection() {
// build the layer chooser dialog
AlertDialog.Builder d_m = new AlertDialog.Builder(mContext);
OnMultiChoiceClickListener m_listener = new OnMultiChoiceClickListener() {
@Override
public void onClick(DialogInterface dialog, int which, boolean isChecked) {
// activate clicked layer
showLayer(mLayerIds.get(mOverlayLayers[which]), isChecked);
}
};
d_m.setMultiChoiceItems(mOverlayLayers, mOverlayIsActive, m_listener);
// switch to base layers
d_m.setPositiveButton(R.string.base_layers, new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
showSingleSelection();
dialog.dismiss();
}
});
d_m.setNegativeButton(R.string.close, new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});
d_m.setTitle(R.string.overlay_layers);
final AlertDialog dialog = d_m.create();
final ListView list = dialog.getListView();
list.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
boolean disable = false;
@Override
public boolean onItemLongClick(AdapterView<?> adapterView, View view, int i, long l) {
int j = 0;
for (String layer : mOverlayLayers) {
if (!mOverlayLayers[j].contains("DEBUG")) {
// uncheck the item + set the boolean in the isActive array
mOverlayIsActive[j] = disable;
list.setItemChecked(j, disable);
showLayer(mLayerIds.get(layer), disable);
}
++j;
}
disable = !disable;
return true;
}
});
dialog.show();
}
// show all base layers in a single selection list dialog
private void showSingleSelection() {
OnClickListener s_listener = new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// activate clicked layer
showLayer(mLayerIds.get(mBaseLayers[which]), true);
mActiveBaseLayer = which;
}
};
AlertDialog.Builder d_s = new AlertDialog.Builder(mContext);
d_s.setSingleChoiceItems(mBaseLayers, mActiveBaseLayer, s_listener);
// switch to overlay layers
d_s.setPositiveButton(R.string.overlay_layers, new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
showMultiSelection();
dialog.dismiss();
}
});
d_s.setNegativeButton(R.string.close, new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});
d_s.setTitle(R.string.base_layers);
final AlertDialog dialog = d_s.create();
dialog.show();
}
private void showLayer(final String id, final boolean enable) {
((Activity) mContext).runOnUiThread(new Runnable() {
@Override
public void run() {
((IITC_Mobile) mContext).getWebView().loadUrl("javascript: " +
"window.layerChooser.showLayer("
+ id + "," + enable + ");");
}
});
}
}