src/xwalk/runtime/android/core/src/org/xwalk/core/extension/api/presentation/XWalkPresentationContent.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.core.extension.api.presentation;
   6
   7 import android.app.Activity;
   8 import android.content.Context;
   9 import android.os.Bundle;
  10 import android.view.View;
  11
  12 import org.xwalk.core.XWalkClient;
  13 import org.xwalk.core.XWalkUIClient;
  14 import org.xwalk.core.XWalkView;
  15
  16 /**
  17  * Represents the content to be presented on the secondary display.
  18  */
  19 public class XWalkPresentationContent {
  20     public final int INVALID_PRESENTATION_ID = -1;
  21
  22     private int mPresentationId = INVALID_PRESENTATION_ID;
  23     private XWalkView mContentView;
  24     private Context mContext;
  25     private Activity mActivity;
  26     private PresentationDelegate mDelegate;
  27
  28
  29     public XWalkPresentationContent(Context context, Activity activity, PresentationDelegate delegate) {
  30         mContext = context;
  31         mActivity = activity;
  32         mDelegate = delegate;
  33     }
  34
  35     public void load(final String url) {
  36         if (mContentView == null) {
  37             mContentView = new XWalkView(mContext, mActivity);
  38             final XWalkClient xWalkClient = new XWalkClient(mContentView) {
  39                 @Override
  40                 public void onPageFinished(XWalkView view, String url) {
  41                     mPresentationId = mContentView.getContentID();
  42                     onContentLoaded();
  43                 }
  44             };
  45             mContentView.setXWalkClient(xWalkClient);
  46
  47             final XWalkUIClient xWalkUIClient = new XWalkUIClient(mContentView) {
  48                 @Override
  49                 public void onJavascriptCloseWindow(XWalkView view) {
  50                     // The content was closed already. Web need to invalidate the
  51                     // presentation id now.
  52                     mPresentationId = INVALID_PRESENTATION_ID;
  53                     onContentClosed();
  54                 }
  55             };
  56             mContentView.setUIClient(xWalkUIClient);
  57         }
  58         mContentView.load(url, null);
  59     }
  60
  61     public int getPresentationId() {
  62         return mPresentationId;
  63     }
  64
  65     public View getContentView() {
  66         return mContentView;
  67     }
  68
  69     public void close() {
  70         mContentView.onDestroy();
  71         mPresentationId = INVALID_PRESENTATION_ID;
  72         mContentView = null;
  73     }
  74
  75     public void onPause() {
  76         mContentView.pauseTimers();
  77         mContentView.onHide();
  78     }
  79
  80     public void onResume() {
  81         mContentView.resumeTimers();
  82         mContentView.onShow();
  83     }
  84
  85     private void onContentLoaded() {
  86         if (mDelegate != null) mDelegate.onContentLoaded(this);
  87     }
  88
  89     private void onContentClosed() {
  90         if (mDelegate != null) mDelegate.onContentClosed(this);
  91     }
  92
  93     /**
  94      * Interface to hook into XWalkPresentationContent instance.
  95      */
  96     public interface PresentationDelegate {
  97         /**
  98          * Called when the presentation content is loaded.
  99          */
 100         public void onContentLoaded(XWalkPresentationContent content);
 101
 102         /**
 103          * Called when the presentation content is closed.
 104          */
 105         public void onContentClosed(XWalkPresentationContent content);
 106     }
 107 }