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-rw-r--r--widget/SharedWidgetUtils.cpp178
1 files changed, 178 insertions, 0 deletions
diff --git a/widget/SharedWidgetUtils.cpp b/widget/SharedWidgetUtils.cpp
new file mode 100644
index 000000000..ab3513fc5
--- /dev/null
+++ b/widget/SharedWidgetUtils.cpp
@@ -0,0 +1,178 @@
+/* -*- 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();
+}
+
+// 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->GetParent(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