1 files changed, 273 insertions, 0 deletions
diff --git a/widget/SharedWidgetUtils.cpp b/widget/SharedWidgetUtils.cpp
new file mode 100644
index 0000000000..f1c71b5c66
--- /dev/null
+++ b/widget/SharedWidgetUtils.cpp
@@ -0,0 +1,273 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "WidgetUtils.h"
+
+#include "mozilla/TextEvents.h"
+
+#include "nsIBaseWindow.h"
+#include "nsIDocShellTreeItem.h"
+#include "nsIDocShell.h"
+#include "nsIInterfaceRequestorUtils.h"
+#include "nsPIDOMWindow.h"
+
+namespace mozilla {
+namespace widget {
+
+// static
+void WidgetUtils::Shutdown() {
+  WidgetKeyboardEvent::Shutdown();
+  InternalEditorInputEvent::Shutdown();
+}
+
+// static
+already_AddRefed<nsIWidget> WidgetUtils::DOMWindowToWidget(
+    nsPIDOMWindowOuter* aDOMWindow) {
+  nsCOMPtr<nsIWidget> widget;
+  nsCOMPtr<nsPIDOMWindowOuter> window = aDOMWindow;
+
+  if (window) {
+    nsCOMPtr<nsIBaseWindow> baseWin(do_QueryInterface(window->GetDocShell()));
+
+    while (!widget && baseWin) {
+      baseWin->GetParentWidget(getter_AddRefs(widget));
+      if (!widget) {
+        nsCOMPtr<nsIDocShellTreeItem> docShellAsItem(
+            do_QueryInterface(baseWin));
+        if (!docShellAsItem) return nullptr;
+
+        nsCOMPtr<nsIDocShellTreeItem> parent;
+        docShellAsItem->GetInProcessParent(getter_AddRefs(parent));
+
+        window = do_GetInterface(parent);
+        if (!window) return nullptr;
+
+        baseWin = do_QueryInterface(window->GetDocShell());
+      }
+    }
+  }
+
+  return widget.forget();
+}
+
+// static
+uint32_t WidgetUtils::ComputeKeyCodeFromChar(uint32_t aCharCode) {
+  if (aCharCode >= 'A' && aCharCode <= 'Z') {
+    return aCharCode - 'A' + NS_VK_A;
+  }
+  if (aCharCode >= 'a' && aCharCode <= 'z') {
+    return aCharCode - 'a' + NS_VK_A;
+  }
+  if (aCharCode >= '0' && aCharCode <= '9') {
+    return aCharCode - '0' + NS_VK_0;
+  }
+  switch (aCharCode) {
+    case ' ':
+      return NS_VK_SPACE;
+    case '\t':
+      return NS_VK_TAB;
+    case ':':
+      return NS_VK_COLON;
+    case ';':
+      return NS_VK_SEMICOLON;
+    case '<':
+      return NS_VK_LESS_THAN;
+    case '=':
+      return NS_VK_EQUALS;
+    case '>':
+      return NS_VK_GREATER_THAN;
+    case '?':
+      return NS_VK_QUESTION_MARK;
+    case '@':
+      return NS_VK_AT;
+    case '^':
+      return NS_VK_CIRCUMFLEX;
+    case '!':
+      return NS_VK_EXCLAMATION;
+    case '"':
+      return NS_VK_DOUBLE_QUOTE;
+    case '#':
+      return NS_VK_HASH;
+    case '$':
+      return NS_VK_DOLLAR;
+    case '%':
+      return NS_VK_PERCENT;
+    case '&':
+      return NS_VK_AMPERSAND;
+    case '_':
+      return NS_VK_UNDERSCORE;
+    case '(':
+      return NS_VK_OPEN_PAREN;
+    case ')':
+      return NS_VK_CLOSE_PAREN;
+    case '*':
+      return NS_VK_ASTERISK;
+    case '+':
+      return NS_VK_PLUS;
+    case '|':
+      return NS_VK_PIPE;
+    case '-':
+      return NS_VK_HYPHEN_MINUS;
+    case '{':
+      return NS_VK_OPEN_CURLY_BRACKET;
+    case '}':
+      return NS_VK_CLOSE_CURLY_BRACKET;
+    case '~':
+      return NS_VK_TILDE;
+    case ',':
+      return NS_VK_COMMA;
+    case '.':
+      return NS_VK_PERIOD;
+    case '/':
+      return NS_VK_SLASH;
+    case '`':
+      return NS_VK_BACK_QUOTE;
+    case '[':
+      return NS_VK_OPEN_BRACKET;
+    case '\\':
+      return NS_VK_BACK_SLASH;
+    case ']':
+      return NS_VK_CLOSE_BRACKET;
+    case '\'':
+      return NS_VK_QUOTE;
+  }
+  return 0;
+}
+
+// static
+void WidgetUtils::GetLatinCharCodeForKeyCode(uint32_t aKeyCode,
+                                             bool aIsCapsLock,
+                                             uint32_t* aUnshiftedCharCode,
+                                             uint32_t* aShiftedCharCode) {
+  MOZ_ASSERT(aUnshiftedCharCode && aShiftedCharCode,
+             "aUnshiftedCharCode and aShiftedCharCode must not be NULL");
+
+  if (aKeyCode >= NS_VK_A && aKeyCode <= NS_VK_Z) {
+    *aUnshiftedCharCode = *aShiftedCharCode = aKeyCode;
+    if (aIsCapsLock) {
+      *aShiftedCharCode += 0x20;
+    } else {
+      *aUnshiftedCharCode += 0x20;
+    }
+    return;
+  }
+
+  // aShiftedCharCode must be zero for non-alphabet keys.
+  *aShiftedCharCode = 0;
+
+  if (aKeyCode >= NS_VK_0 && aKeyCode <= NS_VK_9) {
+    *aUnshiftedCharCode = aKeyCode;
+    return;
+  }
+
+  switch (aKeyCode) {
+    case NS_VK_SPACE:
+      *aUnshiftedCharCode = ' ';
+      break;
+    case NS_VK_COLON:
+      *aUnshiftedCharCode = ':';
+      break;
+    case NS_VK_SEMICOLON:
+      *aUnshiftedCharCode = ';';
+      break;
+    case NS_VK_LESS_THAN:
+      *aUnshiftedCharCode = '<';
+      break;
+    case NS_VK_EQUALS:
+      *aUnshiftedCharCode = '=';
+      break;
+    case NS_VK_GREATER_THAN:
+      *aUnshiftedCharCode = '>';
+      break;
+    case NS_VK_QUESTION_MARK:
+      *aUnshiftedCharCode = '?';
+      break;
+    case NS_VK_AT:
+      *aUnshiftedCharCode = '@';
+      break;
+    case NS_VK_CIRCUMFLEX:
+      *aUnshiftedCharCode = '^';
+      break;
+    case NS_VK_EXCLAMATION:
+      *aUnshiftedCharCode = '!';
+      break;
+    case NS_VK_DOUBLE_QUOTE:
+      *aUnshiftedCharCode = '"';
+      break;
+    case NS_VK_HASH:
+      *aUnshiftedCharCode = '#';
+      break;
+    case NS_VK_DOLLAR:
+      *aUnshiftedCharCode = '$';
+      break;
+    case NS_VK_PERCENT:
+      *aUnshiftedCharCode = '%';
+      break;
+    case NS_VK_AMPERSAND:
+      *aUnshiftedCharCode = '&';
+      break;
+    case NS_VK_UNDERSCORE:
+      *aUnshiftedCharCode = '_';
+      break;
+    case NS_VK_OPEN_PAREN:
+      *aUnshiftedCharCode = '(';
+      break;
+    case NS_VK_CLOSE_PAREN:
+      *aUnshiftedCharCode = ')';
+      break;
+    case NS_VK_ASTERISK:
+      *aUnshiftedCharCode = '*';
+      break;
+    case NS_VK_PLUS:
+      *aUnshiftedCharCode = '+';
+      break;
+    case NS_VK_PIPE:
+      *aUnshiftedCharCode = '|';
+      break;
+    case NS_VK_HYPHEN_MINUS:
+      *aUnshiftedCharCode = '-';
+      break;
+    case NS_VK_OPEN_CURLY_BRACKET:
+      *aUnshiftedCharCode = '{';
+      break;
+    case NS_VK_CLOSE_CURLY_BRACKET:
+      *aUnshiftedCharCode = '}';
+      break;
+    case NS_VK_TILDE:
+      *aUnshiftedCharCode = '~';
+      break;
+    case NS_VK_COMMA:
+      *aUnshiftedCharCode = ',';
+      break;
+    case NS_VK_PERIOD:
+      *aUnshiftedCharCode = '.';
+      break;
+    case NS_VK_SLASH:
+      *aUnshiftedCharCode = '/';
+      break;
+    case NS_VK_BACK_QUOTE:
+      *aUnshiftedCharCode = '`';
+      break;
+    case NS_VK_OPEN_BRACKET:
+      *aUnshiftedCharCode = '[';
+      break;
+    case NS_VK_BACK_SLASH:
+      *aUnshiftedCharCode = '\\';
+      break;
+    case NS_VK_CLOSE_BRACKET:
+      *aUnshiftedCharCode = ']';
+      break;
+    case NS_VK_QUOTE:
+      *aUnshiftedCharCode = '\'';
+      break;
+    default:
+      *aUnshiftedCharCode = 0;
+      break;
+  }
+}
+
+}  // namespace widget
+}  // namespace mozilla