| 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 | } |