src/xwalk/app/android/runtime_client_embedded_shell/src/org/xwalk/runtime/client/embedded/shell/XWalkRuntimeClientEmbeddedShellActivity.java

   1 // Copyright (c) 2013 Intel Corporation. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 package org.xwalk.runtime.client.embedded.shell;
   6
   7 import android.content.Context;
   8 import android.os.Bundle;
   9 import android.os.Looper;
  10 import android.os.MessageQueue;
  11 import android.view.KeyEvent;
  12 import android.view.View;
  13 import android.view.View.OnFocusChangeListener;
  14 import android.view.ViewGroup.LayoutParams;
  15 import android.view.inputmethod.EditorInfo;
  16 import android.view.inputmethod.InputMethodManager;
  17 import android.util.Log;
  18 import android.widget.EditText;
  19 import android.widget.LinearLayout;
  20 import android.widget.TextView;
  21 import android.widget.TextView.OnEditorActionListener;
  22
  23 import org.chromium.base.library_loader.LibraryLoader;
  24 import org.chromium.content.browser.TracingControllerAndroid;
  25 import org.xwalk.app.XWalkRuntimeActivityBase;
  26
  27 public class XWalkRuntimeClientEmbeddedShellActivity extends XWalkRuntimeActivityBase {
  28     // TODO(yongsheng): Add one flag to hide the url bar.
  29     private static final String TAG = XWalkRuntimeClientEmbeddedShellActivity.class.getName();
  30
  31     private EditText mUrlTextView;
  32     private TracingControllerAndroid mTracingController;
  33
  34     TracingControllerAndroid getTracingController() {
  35         if (mTracingController == null) {
  36             mTracingController = new TracingControllerAndroid(this);
  37         }
  38         return mTracingController;
  39     }
  40
  41     @Override
  42     public void onCreate(Bundle savedInstanceState) {
  43         super.onCreate(savedInstanceState);
  44         registerTracingReceiverWhenIdle();
  45     }
  46
  47     @Override
  48     public void onDestroy() {
  49         super.onDestroy();
  50         unregisterTracingReceiver();
  51     }
  52
  53     private void registerTracingReceiverWhenIdle() {
  54         // Delay tracing receiver registration until the main loop is idle.
  55         Looper.myQueue().addIdleHandler(new MessageQueue.IdleHandler() {
  56             @Override
  57             public boolean queueIdle() {
  58                 // Will retry if the native library is not initialized yet.
  59                 if (!LibraryLoader.isInitialized()) return true;
  60                 try {
  61                     getTracingController().registerReceiver(XWalkRuntimeClientEmbeddedShellActivity.this);
  62                 } catch (SecurityException e) {
  63                     Log.w(TAG, "failed to register tracing receiver: " + e.getMessage());
  64                 }
  65                 return false;
  66             }
  67         });
  68     }
  69
  70     private void unregisterTracingReceiver() {
  71         try {
  72             getTracingController().unregisterReceiver(this);
  73         } catch (SecurityException e) {
  74             Log.w(TAG, "failed to unregister tracing receiver: " + e.getMessage());
  75         } catch (IllegalArgumentException e) {
  76             Log.w(TAG, "failed to unregister tracing receiver: " + e.getMessage());
  77         }
  78     }
  79
  80     private static String sanitizeUrl(String url) {
  81         if (url == null) return url;
  82         if (url.startsWith("www.") || url.indexOf(":") == -1) url = "http://" + url;
  83         return url;
  84     }
  85
  86     private void initializeUrlField() {
  87         mUrlTextView = (EditText) findViewById(R.id.url);
  88         mUrlTextView.setOnEditorActionListener(new OnEditorActionListener() {
  89             @Override
  90             public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
  91                 if ((actionId != EditorInfo.IME_ACTION_GO) && (event == null ||
  92                         event.getKeyCode() != KeyEvent.KEYCODE_ENTER ||
  93                         event.getAction() != KeyEvent.ACTION_DOWN)) {
  94                     return false;
  95                 }
  96
  97                 getRuntimeView().loadAppFromUrl(sanitizeUrl(mUrlTextView.getText().toString()));
  98                 mUrlTextView.clearFocus();
  99                 setKeyboardVisibilityForUrl(false);
 100                 return true;
 101             }
 102         });
 103         mUrlTextView.setOnFocusChangeListener(new OnFocusChangeListener() {
 104             @Override
 105             public void onFocusChange(View v, boolean hasFocus) {
 106                 setKeyboardVisibilityForUrl(hasFocus);
 107                 if (!hasFocus) {
 108                     // TODO(yongsheng): Fix this.
 109                     // mUrlTextView.setText(mRuntimeView.getUrl());
 110                 }
 111             }
 112         });
 113     }
 114
 115     private void setKeyboardVisibilityForUrl(boolean visible) {
 116         InputMethodManager imm = (InputMethodManager) getSystemService(
 117                 Context.INPUT_METHOD_SERVICE);
 118         if (visible) {
 119             imm.showSoftInput(mUrlTextView, InputMethodManager.SHOW_IMPLICIT);
 120         } else {
 121             imm.hideSoftInputFromWindow(mUrlTextView.getWindowToken(), 0);
 122         }
 123     }
 124
 125     @Override
 126     protected void didTryLoadRuntimeView(View runtimeView) {
 127         if (runtimeView != null) {
 128             setContentView(R.layout.testshell_activity);
 129             LinearLayout container = (LinearLayout) findViewById(R.id.content_container);
 130             container.addView(runtimeView,
 131                               LayoutParams.MATCH_PARENT,
 132                               LayoutParams.MATCH_PARENT);
 133             initializeUrlField();
 134         }
 135     }
 136 }