serge-sans-paille
d80b662fa5
Differential Revision: https://phabricator.services.mozilla.com/D311050
100 lines
3.4 KiB
C++
100 lines
3.4 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsControllerCommandTable.h"
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#include "mozilla/ClearOnShutdown.h"
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#include "mozilla/ControllerCommand.h"
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#include "mozilla/EditorController.h"
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#include "mozilla/HTMLEditorController.h"
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#include "mozilla/StaticPtr.h"
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#include "nsGlobalWindowCommands.h"
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#include "nsString.h"
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using mozilla::ControllerCommand;
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void nsControllerCommandTable::RegisterCommand(const nsACString& aName,
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ControllerCommand* aCommand) {
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MOZ_DIAGNOSTIC_ASSERT(mMutable);
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mCommandsTable.InsertOrUpdate(aName, aCommand);
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}
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void nsControllerCommandTable::UnregisterCommand(const nsACString& aCommandName,
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ControllerCommand* aCommand) {
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MOZ_DIAGNOSTIC_ASSERT(mMutable);
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mCommandsTable.Remove(aCommandName);
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}
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ControllerCommand* nsControllerCommandTable::FindCommandHandler(
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const nsACString& aCommandName) const {
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return mCommandsTable.GetWeak(aCommandName);
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}
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bool nsControllerCommandTable::IsCommandEnabled(const nsACString& aCommandName,
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nsISupports* aContext) const {
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RefPtr handler = FindCommandHandler(aCommandName);
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if (!handler) {
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NS_WARNING(
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"Controller command table asked about a command that it does "
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"not handle");
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return false;
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}
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return handler->IsCommandEnabled(aCommandName, aContext);
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}
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void nsControllerCommandTable::GetSupportedCommands(
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nsTArray<nsCString>& aCommands) const {
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mozilla::AppendToArray(aCommands, mCommandsTable.Keys());
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}
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using CommandTableRegistrar = void (*)(nsControllerCommandTable*);
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static nsControllerCommandTable* EnsureCommandTableWithCommands(
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mozilla::StaticRefPtr<nsControllerCommandTable>& aTable,
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CommandTableRegistrar aRegistrar) {
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if (!aTable) {
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aTable = new nsControllerCommandTable();
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aRegistrar(aTable);
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aTable->MakeImmutable();
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ClearOnShutdown(&aTable);
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}
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return aTable;
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}
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// static
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nsControllerCommandTable* nsControllerCommandTable::EditorCommandTable() {
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static mozilla::StaticRefPtr<nsControllerCommandTable> sTable;
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return EnsureCommandTableWithCommands(
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sTable, mozilla::EditorController::RegisterEditorCommands);
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}
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// static
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nsControllerCommandTable* nsControllerCommandTable::EditingCommandTable() {
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static mozilla::StaticRefPtr<nsControllerCommandTable> sTable;
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return EnsureCommandTableWithCommands(
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sTable, mozilla::EditorController::RegisterEditingCommands);
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}
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// static
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nsControllerCommandTable* nsControllerCommandTable::HTMLEditorCommandTable() {
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static mozilla::StaticRefPtr<nsControllerCommandTable> sTable;
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return EnsureCommandTableWithCommands(
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sTable, mozilla::HTMLEditorController::RegisterHTMLEditorCommands);
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}
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// static
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nsControllerCommandTable*
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nsControllerCommandTable::HTMLEditorDocStateCommandTable() {
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static mozilla::StaticRefPtr<nsControllerCommandTable> sTable;
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return EnsureCommandTableWithCommands(
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sTable, mozilla::HTMLEditorController::RegisterEditorDocStateCommands);
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}
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// static
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nsControllerCommandTable* nsControllerCommandTable::WindowCommandTable() {
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static mozilla::StaticRefPtr<nsControllerCommandTable> sTable;
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return EnsureCommandTableWithCommands(
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sTable, nsWindowCommandRegistration::RegisterWindowCommands);
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}
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