Home | History | Annotate | Download | only in components 
      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 /**
     61  * @return {boolean}
     62  */
     63 WebInspector.HelpScreen.isVisible = function()
     64 {
     65     return !!WebInspector.HelpScreen._visibleScreen;
     66 }
     67 
     68 WebInspector.HelpScreen.focus = function()
     69 {
     70     WebInspector.HelpScreen._visibleScreen.element.focus();
     71 }
     72 
     73 WebInspector.HelpScreen.prototype = {
     74     _createCloseButton: function()
     75     {
     76         var closeButton = document.createElement("div");
     77         closeButton.className = "help-close-button close-button-gray";
     78         closeButton.addEventListener("click", this.hide.bind(this), false);
     79         return closeButton;
     80     },
     81 
     82     showModal: function()
     83     {
     84         var visibleHelpScreen = WebInspector.HelpScreen._visibleScreen;
     85         if (visibleHelpScreen === this)
     86             return;
     87 
     88         if (visibleHelpScreen)
     89             visibleHelpScreen.hide();
     90         WebInspector.HelpScreen._visibleScreen = this;
     91         WebInspector.GlassPane.DefaultFocusedViewStack.unshift(this);
     92         this.show(WebInspector.inspectorView.element);
     93         this.focus();
     94     },
     95 
     96     hide: function()
     97     {
     98         if (!this.isShowing())
     99             return;
    100 
    101         WebInspector.HelpScreen._visibleScreen = null;
    102         WebInspector.GlassPane.DefaultFocusedViewStack.shift();
    103 
    104         WebInspector.restoreFocusFromElement(this.element);
    105         this.detach();
    106     },
    107 
    108     /**
    109      * @param {number} keyCode
    110      * @return {boolean}
    111      */
    112     isClosingKey: function(keyCode)
    113     {
    114         return [
    115             WebInspector.KeyboardShortcut.Keys.Enter.code,
    116             WebInspector.KeyboardShortcut.Keys.Esc.code,
    117             WebInspector.KeyboardShortcut.Keys.Space.code,
    118         ].indexOf(keyCode) >= 0;
    119     },
    120 
    121     _onKeyDown: function(event)
    122     {
    123         if (this.isShowing() && this.isClosingKey(event.keyCode)) {
    124             this.hide();
    125             event.consume();
    126         }
    127     },
    128 
    129     __proto__: WebInspector.VBox.prototype
    130 }
    131 
    132 /**
    133  * @constructor
    134  * @extends {WebInspector.HelpScreen}
    135  */
    136 WebInspector.RemoteDebuggingTerminatedScreen = function(reason)
    137 {
    138     WebInspector.HelpScreen.call(this, WebInspector.UIString("Detached from the target"));
    139     var p = this.contentElement.createChild("p");
    140     p.classList.add("help-section");
    141     p.createChild("span").textContent = WebInspector.UIString("Remote debugging has been terminated with reason: ");
    142     p.createChild("span", "error-message").textContent = reason;
    143     p.createChild("br");
    144     p.createChild("span").textContent = WebInspector.UIString("Please re-attach to the new target.");
    145 }
    146 
    147 WebInspector.RemoteDebuggingTerminatedScreen.prototype = {
    148     __proto__: WebInspector.HelpScreen.prototype
    149 }
    150 
    151 /**
    152  * @constructor
    153  * @extends {WebInspector.HelpScreen}
    154  */
    155 WebInspector.WorkerTerminatedScreen = function()
    156 {
    157     WebInspector.HelpScreen.call(this, WebInspector.UIString("Inspected worker terminated"));
    158     var p = this.contentElement.createChild("p");
    159     p.classList.add("help-section");
    160     p.textContent = WebInspector.UIString("Inspected worker has terminated. Once it restarts we will attach to it automatically.");
    161 }
    162 
    163 WebInspector.WorkerTerminatedScreen.prototype = {
    164 
    165     __proto__: WebInspector.HelpScreen.prototype
    166 }
    167 
    168