1 // Copyright (c) 2012 The Chromium Authors. 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.chromium.content_shell; 6 7 import android.content.Context; 8 import android.util.AttributeSet; 9 import android.view.LayoutInflater; 10 import android.widget.FrameLayout; 11 12 import org.chromium.base.CalledByNative; 13 import org.chromium.base.JNINamespace; 14 import org.chromium.content.browser.ContentView; 15 import org.chromium.content.browser.ContentViewRenderView; 16 import org.chromium.ui.WindowAndroid; 17 18 /** 19 * Container and generator of ShellViews. 20 */ 21 @JNINamespace("content") 22 public class ShellManager extends FrameLayout { 23 24 public static final String DEFAULT_SHELL_URL = "http://www.google.com"; 25 private static boolean sStartup = true; 26 private WindowAndroid mWindow; 27 private Shell mActiveShell; 28 29 private String mStartupUrl = DEFAULT_SHELL_URL; 30 31 // The target for all content rendering. 32 private ContentViewRenderView mContentViewRenderView; 33 34 /** 35 * Constructor for inflating via XML. 36 */ 37 public ShellManager(Context context, AttributeSet attrs) { 38 super(context, attrs); 39 nativeInit(this); 40 mContentViewRenderView = new ContentViewRenderView(context) { 41 @Override 42 protected void onReadyToRender() { 43 if (sStartup) { 44 mActiveShell.loadUrl(mStartupUrl); 45 sStartup = false; 46 } 47 } 48 }; 49 } 50 51 /** 52 * @param window The window used to generate all shells. 53 */ 54 public void setWindow(WindowAndroid window) { 55 mWindow = window; 56 } 57 58 /** 59 * @return The window used to generate all shells. 60 */ 61 public WindowAndroid getWindow() { 62 return mWindow; 63 } 64 65 /** 66 * Sets the startup URL for new shell windows. 67 */ 68 public void setStartupUrl(String url) { 69 mStartupUrl = url; 70 } 71 72 /** 73 * @return The currently visible shell view or null if one is not showing. 74 */ 75 public Shell getActiveShell() { 76 return mActiveShell; 77 } 78 79 /** 80 * Creates a new shell pointing to the specified URL. 81 * @param url The URL the shell should load upon creation. 82 */ 83 public void launchShell(String url) { 84 nativeLaunchShell(url); 85 } 86 87 @SuppressWarnings("unused") 88 @CalledByNative 89 private Object createShell() { 90 LayoutInflater inflater = 91 (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE); 92 Shell shellView = (Shell) inflater.inflate(R.layout.shell_view, null); 93 shellView.setWindow(mWindow); 94 95 if (mActiveShell != null) closeShell(mActiveShell); 96 97 shellView.setContentViewRenderView(mContentViewRenderView); 98 addView(shellView, new FrameLayout.LayoutParams( 99 FrameLayout.LayoutParams.MATCH_PARENT, FrameLayout.LayoutParams.MATCH_PARENT)); 100 mActiveShell = shellView; 101 ContentView contentView = mActiveShell.getContentView(); 102 if (contentView != null) { 103 mContentViewRenderView.setCurrentContentView(contentView); 104 contentView.onShow(); 105 } 106 107 return shellView; 108 } 109 110 @SuppressWarnings("unused") 111 @CalledByNative 112 private void closeShell(Shell shellView) { 113 if (shellView == mActiveShell) mActiveShell = null; 114 ContentView contentView = shellView.getContentView(); 115 if (contentView != null) contentView.onHide(); 116 shellView.setContentViewRenderView(null); 117 shellView.setWindow(null); 118 removeView(shellView); 119 } 120 121 private static native void nativeInit(Object shellManagerInstance); 122 private static native void nativeLaunchShell(String url); 123 } 124