DevTols: add KeyboardShortcuts.js t Chromium so that when WebKit change for https://bugs.webkit.org/show_bug.cgi?id=23849 is landed in Chromium it doesn't break devtools.

Review URL: http://codereview.chromium.org/149064

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@19714 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 109 insertions, 0 deletions

diff --git a/webkit/glue/devtools/js/KeyboardShortcut.js b/webkit/glue/devtools/js/KeyboardShortcut.js
new file mode 100644
index 0000000..ed28a48
--- /dev/null
+++ b/webkit/glue/devtools/js/KeyboardShortcut.js
@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) 2009 Apple Inc. All rights reserved.
+ * Copyright (C) 2009 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer. 
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution. 
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+WebInspector.KeyboardShortcut = function()
+{
+};
+
+/**
+ * Constants for encoding modifier key set as a bit mask.
+ * @see #_makeKeyFromCodeAndModifiers
+ */
+WebInspector.KeyboardShortcut.Modifiers = {
+    None: 0,   // Constant for empty modifiers set.
+    Shift: 1,
+    Ctrl: 2,
+    Alt: 4,
+    Meta: 8    // Command key on Mac, Win key on other platforms.
+};
+
+WebInspector.KeyboardShortcut.KeyCodes = {
+    Esc: 27,
+    Space: 32,
+    PageUp: 33,      // also NUM_NORTH_EAST
+    PageDown: 34,    // also NUM_SOUTH_EAST
+    End: 35,         // also NUM_SOUTH_WEST
+    Home: 36,        // also NUM_NORTH_WEST
+    Left: 37,        // also NUM_WEST
+    Up: 38,          // also NUM_NORTH
+    Right: 39,       // also NUM_EAST
+    Down: 40,        // also NUM_SOUTH
+    F1: 112,
+    F2: 113,
+    F3: 114,
+    F4: 115,
+    F5: 116,
+    F6: 117,
+    F7: 118,
+    F8: 119,
+    F9: 120,
+    F10: 121,
+    F11: 122,
+    F12: 123,
+    Semicolon: 186,    // ;
+    Comma: 188,        // ,
+    Period: 190,       // .
+    Slash: 191,        // /
+    Apostrophe: 192,   // `
+    SingleQuote: 222,  // '
+};
+
+/**
+ * Creates a number encoding keyCode in the lower 8 bits and modifiers mask in the higher 8 bits.
+ * It is usefull for matching pressed keys.
+ * @param {number} keyCode Code of the key.
+ * @param {number} optModifiers Optional list of modifiers passed as additional paramerters.
+ */
+WebInspector.KeyboardShortcut.makeKey = function(keyCode, optModifiers)
+{
+    var modifiers = WebInspector.KeyboardShortcut.Modifiers.None;
+    for (var i = 1; i < arguments.length; i++)
+        modifiers |= arguments[i];
+    return WebInspector.KeyboardShortcut._makeKeyFromCodeAndModifiers(keyCode, modifiers);
+};
+
+WebInspector.KeyboardShortcut.makeKeyFromEvent = function(keyboardEvent)
+{
+    var modifiers = WebInspector.KeyboardShortcut.Modifiers.None;
+    if (keyboardEvent.shiftKey)
+        modifiers |= WebInspector.KeyboardShortcut.Modifiers.Shift;
+    if (keyboardEvent.ctrlKey)
+        modifiers |= WebInspector.KeyboardShortcut.Modifiers.Ctrl;
+    if (keyboardEvent.altKey)
+        modifiers |= WebInspector.KeyboardShortcut.Modifiers.Alt;
+    if (keyboardEvent.metaKey)
+        modifiers |= WebInspector.KeyboardShortcut.Modifiers.Meta;
+    return WebInspector.KeyboardShortcut._makeKeyFromCodeAndModifiers(keyboardEvent.keyCode, modifiers);
+};
+
+WebInspector.KeyboardShortcut._makeKeyFromCodeAndModifiers = function(keyCode, modifiers)
+{
+    return (keyCode & 255) | (modifiers << 8);
+};
diff --git a/webkit/glue/devtools/js/devtools.html b/webkit/glue/devtools/js/devtools.html
index 842d9d8..3ca50fb 100644
--- a/webkit/glue/devtools/js/devtools.html
+++ b/webkit/glue/devtools/js/devtools.html
@@ -62,6 +62,7 @@ THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     <script type="text/javascript" src="profiler_processor.js"></script>
     <script type="text/javascript" src="splaytree.js"></script>
     <script type="text/javascript" src="Object.js"></script>
+    <script type="text/javascript" src="KeyboardShortcut.js"></script>
     <script type="text/javascript" src="TextPrompt.js"></script>
     <script type="text/javascript" src="Placard.js"></script>
     <script type="text/javascript" src="View.js"></script>