summaryrefslogtreecommitdiffstats
path: root/widget/SharedWidgetUtils.cpp
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--widget/SharedWidgetUtils.cpp273
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