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      1 /*
      2  * Copyright (C) 2010 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 /**
     32  * @constructor
     33  * @param {string=} title
     34  * @extends {WebInspector.VBox}
     35  */
     36 WebInspector.HelpScreen = function(title)
     37 {
     38     WebInspector.VBox.call(this);
     39     this.markAsRoot();
     40     this.registerRequiredCSS("helpScreen.css");
     41 
     42     this.element.classList.add("help-window-outer");
     43     this.element.addEventListener("keydown", this._onKeyDown.bind(this), false);
     44     this.element.tabIndex = 0;
     45 
     46     if (title) {
     47         var mainWindow = this.element.createChild("div", "help-window-main");
     48         var captionWindow = mainWindow.createChild("div", "help-window-caption");
     49         captionWindow.appendChild(this._createCloseButton());
     50         this.contentElement = mainWindow.createChild("div", "help-content");
     51         captionWindow.createChild("h1", "help-window-title").textContent = title;
     52     }
     53 }
     54 
     55 /**
     56  * @type {?WebInspector.HelpScreen}
     57  */
     58 WebInspector.HelpScreen._visibleScreen = null;
     59 
     60 WebInspector.HelpScreen.prototype = {
     61     _createCloseButton: function()
     62     {
     63         var closeButton = document.createElement("div");
     64         closeButton.className = "help-close-button close-button-gray";
     65         closeButton.addEventListener("click", this.hide.bind(this), false);
     66         return closeButton;
     67     },
     68 
     69     showModal: function()
     70     {
     71         var visibleHelpScreen = WebInspector.HelpScreen._visibleScreen;
     72         if (visibleHelpScreen === this)
     73             return;
     74 
     75         if (visibleHelpScreen)
     76             visibleHelpScreen.hide();
     77         WebInspector.HelpScreen._visibleScreen = this;
     78         WebInspector.GlassPane.DefaultFocusedViewStack.push(this);
     79         this.show(WebInspector.inspectorView.element);
     80         this.focus();
     81     },
     82 
     83     hide: function()
     84     {
     85         if (!this.isShowing())
     86             return;
     87 
     88         WebInspector.HelpScreen._visibleScreen = null;
     89         WebInspector.GlassPane.DefaultFocusedViewStack.pop();
     90 
     91         WebInspector.restoreFocusFromElement(this.element);
     92         this.detach();
     93     },
     94 
     95     /**
     96      * @param {number} keyCode
     97      * @return {boolean}
     98      */
     99     isClosingKey: function(keyCode)
    100     {
    101         return [
    102             WebInspector.KeyboardShortcut.Keys.Enter.code,
    103             WebInspector.KeyboardShortcut.Keys.Esc.code,
    104             WebInspector.KeyboardShortcut.Keys.Space.code,
    105         ].indexOf(keyCode) >= 0;
    106     },
    107 
    108     _onKeyDown: function(event)
    109     {
    110         if (this.isShowing() && this.isClosingKey(event.keyCode)) {
    111             this.hide();
    112             event.consume();
    113         }
    114     },
    115 
    116     __proto__: WebInspector.VBox.prototype
    117 }
    118 
    119 /**
    120  * @constructor
    121  * @extends {WebInspector.HelpScreen}
    122  */
    123 WebInspector.RemoteDebuggingTerminatedScreen = function(reason)
    124 {
    125     WebInspector.HelpScreen.call(this, WebInspector.UIString("Detached from the target"));
    126     var p = this.contentElement.createChild("p");
    127     p.classList.add("help-section");
    128     p.createChild("span").textContent = WebInspector.UIString("Remote debugging has been terminated with reason: ");
    129     p.createChild("span", "error-message").textContent = reason;
    130     p.createChild("br");
    131     p.createChild("span").textContent = WebInspector.UIString("Please re-attach to the new target.");
    132 }
    133 
    134 WebInspector.RemoteDebuggingTerminatedScreen.prototype = {
    135     __proto__: WebInspector.HelpScreen.prototype
    136 }
    137 
    138 /**
    139  * @constructor
    140  * @extends {WebInspector.HelpScreen}
    141  */
    142 WebInspector.WorkerTerminatedScreen = function()
    143 {
    144     WebInspector.HelpScreen.call(this, WebInspector.UIString("Inspected worker terminated"));
    145     var p = this.contentElement.createChild("p");
    146     p.classList.add("help-section");
    147     p.textContent = WebInspector.UIString("Inspected worker has terminated. Once it restarts we will attach to it automatically.");
    148 }
    149 
    150 WebInspector.WorkerTerminatedScreen.prototype = {
    151 
    152     __proto__: WebInspector.HelpScreen.prototype
    153 }
    154 
    155