serge-sans-paille
d80b662fa5
Differential Revision: https://phabricator.services.mozilla.com/D311050
53 lines
1.8 KiB
C++
53 lines
1.8 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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#ifndef nsControllerCommandTable_h_
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#define nsControllerCommandTable_h_
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#include "nsHashKeys.h"
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#include "nsISupportsImpl.h"
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#include "nsRefPtrHashtable.h"
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namespace mozilla {
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class ControllerCommand;
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}
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class nsICommandParams;
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class nsControllerCommandTable final {
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public:
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nsControllerCommandTable() = default;
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NS_INLINE_DECL_REFCOUNTING(nsControllerCommandTable);
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static nsControllerCommandTable* EditorCommandTable();
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static nsControllerCommandTable* EditingCommandTable();
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static nsControllerCommandTable* HTMLEditorCommandTable();
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static nsControllerCommandTable* HTMLEditorDocStateCommandTable();
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static nsControllerCommandTable* WindowCommandTable();
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void RegisterCommand(const nsACString&, mozilla::ControllerCommand*);
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void UnregisterCommand(const nsACString&, mozilla::ControllerCommand*);
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mozilla::ControllerCommand* FindCommandHandler(const nsACString&) const;
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bool IsCommandEnabled(const nsACString&, nsISupports* aContext) const;
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bool SupportsCommand(const nsACString& aName) const {
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return !!FindCommandHandler(aName);
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}
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void MakeImmutable() { mMutable = false; }
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void GetSupportedCommands(nsTArray<nsCString>&) const;
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private:
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~nsControllerCommandTable() = default;
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// This value is used to size the hash table. Just a sensible upper bound
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static constexpr size_t num_commands_length = 32;
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// Hash table of nsIControllerCommands, keyed by command name.
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nsRefPtrHashtable<nsCStringHashKey, mozilla::ControllerCommand>
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mCommandsTable{num_commands_length};
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// Are we mutable?
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bool mMutable = true;
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};
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#endif // nsControllerCommandTable_h_
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