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gecko-dev/editor/libeditor/EditorCommands.h

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/* -*- 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/. */
#ifndef mozilla_EditorCommands_h
#define mozilla_EditorCommands_h
#include "mozilla/Maybe.h"
#include "mozilla/StaticPtr.h"
#include "mozilla/TypedEnumBits.h"
#include "nsIControllerCommand.h"
#include "nsIPrincipal.h"
#include "nsISupportsImpl.h"
#include "nsRefPtrHashtable.h"
#include "nsStringFwd.h"
class nsAtom;
class nsCommandParams;
class nsICommandParams;
class nsIEditingSession;
class nsITransferable;
namespace mozilla {
class HTMLEditor;
class TextEditor;
/**
* EditorCommandParamType tells you that EditorCommand subclasses refer
* which type in nsCommandParams (e.g., bool or nsString) or do not refer.
* If they refer some types, also set where is in nsCommandParams, e.g.,
* whether "state_attribute" or "state_data".
*/
enum class EditorCommandParamType : uint16_t {
// The command does not take params (even if specified, always ignored).
None = 0,
// The command refers nsCommandParams::GetBool() result.
Bool = 1 << 0,
// The command refers nsCommandParams::GetString() result.
// This may be specified with CString. In such case,
// nsCommandParams::GetCString() is preferred.
String = 1 << 1,
// The command refers nsCommandParams::GetCString() result.
CString = 1 << 2,
// The command refers nsCommandParams::GetISupports("transferable") result.
Transferable = 1 << 3,
// The command refres "state_attribute" of nsCommandParams when calling
// GetBool()/GetString()/GetCString(). This must not be set when the
// type is None or Transferable.
StateAttribute = 1 << 14,
// The command refers "state_data" of nsCommandParams when calling
// GetBool()/GetString()/GetCString(). This must not be set when the
// type is None or Transferable.
StateData = 1 << 15,
};
MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(EditorCommandParamType)
/**
* This is a base class for commands registered with the editor controller.
* Note that such commands are designed as singleton classes. So, MUST be
* stateless. Any state must be stored via the refCon (an nsIEditor).
*/
class EditorCommand : public nsIControllerCommand {
public:
NS_DECL_ISUPPORTS
static EditorCommandParamType GetParamType(Command aCommand) {
// Keep same order of registration in EditorController.cpp and
// HTMLEditorController.cpp.
switch (aCommand) {
// UndoCommand
case Command::HistoryUndo:
return EditorCommandParamType::None;
// RedoCommand
case Command::HistoryRedo:
return EditorCommandParamType::None;
// CutCommand
case Command::Cut:
return EditorCommandParamType::None;
// CutOrDeleteCommand
case Command::CutOrDelete:
return EditorCommandParamType::None;
// CopyCommand
case Command::Copy:
return EditorCommandParamType::None;
// CopyOrDeleteCommand
case Command::CopyOrDelete:
return EditorCommandParamType::None;
// SelectAllCommand
case Command::SelectAll:
return EditorCommandParamType::None;
// PasteCommand
case Command::Paste:
return EditorCommandParamType::None;
case Command::PasteTransferable:
return EditorCommandParamType::Transferable;
// SwitchTextDirectionCommand
case Command::FormatSetBlockTextDirection:
return EditorCommandParamType::None;
// DeleteCommand
case Command::Delete:
case Command::DeleteCharBackward:
case Command::DeleteCharForward:
case Command::DeleteWordBackward:
case Command::DeleteWordForward:
case Command::DeleteToBeginningOfLine:
case Command::DeleteToEndOfLine:
return EditorCommandParamType::None;
// InsertPlaintextCommand
case Command::InsertText:
return EditorCommandParamType::String |
EditorCommandParamType::StateData;
// InsertParagraphCommand
case Command::InsertParagraph:
return EditorCommandParamType::None;
// InsertLineBreakCommand
case Command::InsertLineBreak:
return EditorCommandParamType::None;
// PasteQuotationCommand
case Command::PasteAsQuotation:
return EditorCommandParamType::None;
// SelectionMoveCommand
case Command::ScrollTop:
case Command::ScrollBottom:
case Command::MoveTop:
case Command::MoveBottom:
case Command::SelectTop:
case Command::SelectBottom:
case Command::LineNext:
case Command::LinePrevious:
case Command::SelectLineNext:
case Command::SelectLinePrevious:
case Command::CharPrevious:
case Command::CharNext:
case Command::SelectCharPrevious:
case Command::SelectCharNext:
case Command::BeginLine:
case Command::EndLine:
case Command::SelectBeginLine:
case Command::SelectEndLine:
case Command::WordPrevious:
case Command::WordNext:
case Command::SelectWordPrevious:
case Command::SelectWordNext:
case Command::ScrollPageUp:
case Command::ScrollPageDown:
case Command::ScrollLineUp:
case Command::ScrollLineDown:
case Command::MovePageUp:
case Command::MovePageDown:
case Command::SelectPageUp:
case Command::SelectPageDown:
case Command::MoveLeft:
case Command::MoveRight:
case Command::MoveUp:
case Command::MoveDown:
case Command::MoveLeft2:
case Command::MoveRight2:
case Command::MoveUp2:
case Command::MoveDown2:
case Command::SelectLeft:
case Command::SelectRight:
case Command::SelectUp:
case Command::SelectDown:
case Command::SelectLeft2:
case Command::SelectRight2:
case Command::SelectUp2:
case Command::SelectDown2:
return EditorCommandParamType::None;
// PasteNoFormattingCommand
case Command::PasteWithoutFormat:
return EditorCommandParamType::None;
// DocumentStateCommand
case Command::EditorObserverDocumentCreated:
case Command::EditorObserverDocumentLocationChanged:
case Command::EditorObserverDocumentWillBeDestroyed:
return EditorCommandParamType::None;
// SetDocumentStateCommand
case Command::SetDocumentModified:
case Command::SetDocumentUseCSS:
case Command::SetDocumentReadOnly:
case Command::SetDocumentInsertBROnEnterKeyPress:
return EditorCommandParamType::Bool |
EditorCommandParamType::StateAttribute;
case Command::SetDocumentDefaultParagraphSeparator:
return EditorCommandParamType::CString |
EditorCommandParamType::StateAttribute;
case Command::ToggleObjectResizers:
case Command::ToggleInlineTableEditor:
case Command::ToggleAbsolutePositionEditor:
return EditorCommandParamType::Bool |
EditorCommandParamType::StateAttribute;
// IndentCommand
case Command::FormatIndent:
return EditorCommandParamType::None;
// OutdentCommand
case Command::FormatOutdent:
return EditorCommandParamType::None;
// StyleUpdatingCommand
case Command::FormatBold:
case Command::FormatItalic:
case Command::FormatUnderline:
case Command::FormatTeletypeText:
case Command::FormatStrikeThrough:
case Command::FormatSuperscript:
case Command::FormatSubscript:
case Command::FormatNoBreak:
case Command::FormatEmphasis:
case Command::FormatStrong:
case Command::FormatCitation:
case Command::FormatAbbreviation:
case Command::FormatAcronym:
case Command::FormatCode:
case Command::FormatSample:
case Command::FormatVariable:
case Command::FormatRemoveLink:
return EditorCommandParamType::None;
// ListCommand
case Command::InsertOrderedList:
case Command::InsertUnorderedList:
return EditorCommandParamType::None;
// ListItemCommand
case Command::InsertDefinitionTerm:
case Command::InsertDefinitionDetails:
return EditorCommandParamType::None;
// RemoveListCommand
case Command::FormatRemoveList:
return EditorCommandParamType::None;
// ParagraphStateCommand
case Command::FormatBlock:
return EditorCommandParamType::CString |
EditorCommandParamType::String |
EditorCommandParamType::StateAttribute;
// FontFaceStateCommand
case Command::FormatFontName:
return EditorCommandParamType::CString |
EditorCommandParamType::String |
EditorCommandParamType::StateAttribute;
// FontSizeStateCommand
case Command::FormatFontSize:
return EditorCommandParamType::CString |
EditorCommandParamType::String |
EditorCommandParamType::StateAttribute;
// FontColorStateCommand
case Command::FormatFontColor:
return EditorCommandParamType::CString |
EditorCommandParamType::String |
EditorCommandParamType::StateAttribute;
// BackgroundColorStateCommand
case Command::FormatDocumentBackgroundColor:
return EditorCommandParamType::CString |
EditorCommandParamType::String |
EditorCommandParamType::StateAttribute;
// HighlightColorStateCommand
case Command::FormatBackColor:
return EditorCommandParamType::CString |
EditorCommandParamType::String |
EditorCommandParamType::StateAttribute;
// AlignCommand:
case Command::FormatJustifyLeft:
case Command::FormatJustifyRight:
case Command::FormatJustifyCenter:
case Command::FormatJustifyFull:
case Command::FormatJustifyNone:
return EditorCommandParamType::CString |
EditorCommandParamType::String |
EditorCommandParamType::StateAttribute;
// RemoveStylesCommand
case Command::FormatRemove:
return EditorCommandParamType::None;
// IncreaseFontSizeCommand
case Command::FormatIncreaseFontSize:
return EditorCommandParamType::None;
// DecreaseFontSizeCommand
case Command::FormatDecreaseFontSize:
return EditorCommandParamType::None;
// InsertHTMLCommand
case Command::InsertHTML:
return EditorCommandParamType::String |
EditorCommandParamType::StateData;
// InsertTagCommand
case Command::InsertLink:
case Command::InsertImage:
return EditorCommandParamType::String |
EditorCommandParamType::StateAttribute;
case Command::InsertHorizontalRule:
return EditorCommandParamType::None;
// AbsolutePositioningCommand
case Command::FormatAbsolutePosition:
return EditorCommandParamType::None;
// DecreaseZIndexCommand
case Command::FormatDecreaseZIndex:
return EditorCommandParamType::None;
// IncreaseZIndexCommand
case Command::FormatIncreaseZIndex:
return EditorCommandParamType::None;
// nsClipboardGetContentsCommand
// XXX nsClipboardGetContentsCommand is implemented by
// nsGlobalWindowCommands.cpp but cmd_getContents command is not
// used internally, but it's accessible from JS with
// queryCommandValue(), etc. So, this class is out of scope of
// editor module for now but we should return None for making
// Document code simpler. We should reimplement the command class
// in editor later for making Document's related methods possible
// to access directly. Anyway, it does not support `DoCommand()`
// nor `DoCommandParams()` so that let's return `None` here.
case Command::GetHTML:
return EditorCommandParamType::None;
default:
MOZ_ASSERT_UNREACHABLE("Unknown Command");
return EditorCommandParamType::None;
}
}
// nsIControllerCommand methods. Use EditorCommand specific methods instead
// for internal use.
MOZ_CAN_RUN_SCRIPT_BOUNDARY
NS_IMETHOD IsCommandEnabled(const char* aCommandName,
nsISupports* aCommandRefCon,
bool* aIsEnabled) final;
MOZ_CAN_RUN_SCRIPT
NS_IMETHOD DoCommand(const char* aCommandName,
nsISupports* aCommandRefCon) final;
MOZ_CAN_RUN_SCRIPT
NS_IMETHOD DoCommandParams(const char* aCommandName,
nsICommandParams* aParams,
nsISupports* aCommandRefCon) final;
MOZ_CAN_RUN_SCRIPT_BOUNDARY
NS_IMETHOD GetCommandStateParams(const char* aCommandName,
nsICommandParams* aParams,
nsISupports* aCommandRefCon) final;
MOZ_CAN_RUN_SCRIPT
virtual bool IsCommandEnabled(Command aCommand,
TextEditor* aTextEditor) const = 0;
MOZ_CAN_RUN_SCRIPT
virtual nsresult DoCommand(Command aCommand, TextEditor& aTextEditor,
nsIPrincipal* aPrincipal) const = 0;
/**
* @param aTextEditor If the context is an editor, should be set to
* it. Otherwise, nullptr.
* @param aEditingSession If the context is an editing session, should be
* set to it. This usually occurs if editor has
* not been created yet during initialization.
* Otherwise, nullptr.
*/
MOZ_CAN_RUN_SCRIPT
virtual nsresult GetCommandStateParams(
Command aCommand, nsCommandParams& aParams, TextEditor* aTextEditor,
nsIEditingSession* aEditingSession) const = 0;
/**
* Called only when the result of EditorCommand::GetParamType(aCommand) is
* EditorCommandParamType::None.
*/
MOZ_CAN_RUN_SCRIPT
virtual nsresult DoCommandParam(Command aCommand, TextEditor& aTextEditor,
nsIPrincipal* aPrincipal) const {
MOZ_ASSERT_UNREACHABLE("Wrong overload is called");
return NS_ERROR_NOT_IMPLEMENTED;
}
/**
* Called only when the result of EditorCommand::GetParamType(aCommand)
* includes EditorCommandParamType::Bool. If aBoolParam is Nothing, it
* means that given param was nullptr.
*/
MOZ_CAN_RUN_SCRIPT
virtual nsresult DoCommandParam(Command aCommand,
const Maybe<bool>& aBoolParam,
TextEditor& aTextEditor,
nsIPrincipal* aPrincipal) const {
MOZ_ASSERT_UNREACHABLE("Wrong overload is called");
return NS_ERROR_NOT_IMPLEMENTED;
}
/**
* Called only when the result of EditorCommand::GetParamType(aCommand)
* includes EditorCommandParamType::CString. If aCStringParam is void, it
* means that given param was nullptr.
*/
MOZ_CAN_RUN_SCRIPT
virtual nsresult DoCommandParam(Command aCommand,
const nsACString& aCStringParam,
TextEditor& aTextEditor,
nsIPrincipal* aPrincipal) const {
MOZ_ASSERT_UNREACHABLE("Wrong overload is called");
return NS_ERROR_NOT_IMPLEMENTED;
}
/**
* Called only when the result of EditorCommand::GetParamType(aCommand)
* includes EditorCommandParamType::String. If aStringParam is void, it
* means that given param was nullptr.
*/
MOZ_CAN_RUN_SCRIPT
virtual nsresult DoCommandParam(Command aCommand,
const nsAString& aStringParam,
TextEditor& aTextEditor,
nsIPrincipal* aPrincipal) const {
MOZ_ASSERT_UNREACHABLE("Wrong overload is called");
return NS_ERROR_NOT_IMPLEMENTED;
}
/**
* Called only when the result of EditorCommand::GetParamType(aCommand) is
* EditorCommandParamType::Transferable. If aTransferableParam may be
* nullptr.
*/
MOZ_CAN_RUN_SCRIPT
virtual nsresult DoCommandParam(Command aCommand,
nsITransferable* aTransferableParam,
TextEditor& aTextEditor,
nsIPrincipal* aPrincipal) const {
MOZ_ASSERT_UNREACHABLE("Wrong overload is called");
return NS_ERROR_NOT_IMPLEMENTED;
}
protected:
EditorCommand() = default;
virtual ~EditorCommand() = default;
};
#define NS_DECL_EDITOR_COMMAND_COMMON_METHODS \
public: \
MOZ_CAN_RUN_SCRIPT \
virtual bool IsCommandEnabled(Command aCommand, TextEditor* aTextEditor) \
const final; \
using EditorCommand::IsCommandEnabled; \
MOZ_CAN_RUN_SCRIPT \
virtual nsresult DoCommand(Command aCommand, TextEditor& aTextEditor, \
nsIPrincipal* aPrincipal) const final; \
using EditorCommand::DoCommand; \
MOZ_CAN_RUN_SCRIPT \
virtual nsresult GetCommandStateParams( \
Command aCommand, nsCommandParams& aParams, TextEditor* aTextEditor, \
nsIEditingSession* aEditingSession) const final; \
using EditorCommand::GetCommandStateParams; \
using EditorCommand::DoCommandParam;
#define NS_DECL_DO_COMMAND_PARAM_DELEGATE_TO_DO_COMMAND \
public: \
MOZ_CAN_RUN_SCRIPT \
virtual nsresult DoCommandParam(Command aCommand, TextEditor& aTextEditor, \
nsIPrincipal* aPrincipal) const final { \
return DoCommand(aCommand, aTextEditor, aPrincipal); \
}
#define NS_DECL_DO_COMMAND_PARAM_FOR_BOOL_PARAM \
public: \
MOZ_CAN_RUN_SCRIPT \
virtual nsresult DoCommandParam( \
Command aCommand, const Maybe<bool>& aBoolParam, \
TextEditor& aTextEditor, nsIPrincipal* aPrincipal) const final;
#define NS_DECL_DO_COMMAND_PARAM_FOR_CSTRING_PARAM \
public: \
MOZ_CAN_RUN_SCRIPT \
virtual nsresult DoCommandParam( \
Command aCommand, const nsACString& aCStringParam, \
TextEditor& aTextEditor, nsIPrincipal* aPrincipal) const final;
#define NS_DECL_DO_COMMAND_PARAM_FOR_STRING_PARAM \
public: \
MOZ_CAN_RUN_SCRIPT \
virtual nsresult DoCommandParam( \
Command aCommand, const nsAString& aStringParam, \
TextEditor& aTextEditor, nsIPrincipal* aPrincipal) const final;
#define NS_DECL_DO_COMMAND_PARAM_FOR_TRANSFERABLE_PARAM \
public: \
MOZ_CAN_RUN_SCRIPT \
virtual nsresult DoCommandParam( \
Command aCommand, nsITransferable* aTransferableParam, \
TextEditor& aTextEditor, nsIPrincipal* aPrincipal) const final;
#define NS_INLINE_DECL_EDITOR_COMMAND_MAKE_SINGLETON(_cmd) \
public: \
static EditorCommand* GetInstance() { \
if (!sInstance) { \
sInstance = new _cmd(); \
} \
return sInstance; \
} \
\
static void Shutdown() { sInstance = nullptr; } \
\
private: \
static StaticRefPtr<_cmd> sInstance;
#define NS_DECL_EDITOR_COMMAND_FOR_NO_PARAM_WITH_DELEGATE(_cmd) \
class _cmd final : public EditorCommand { \
NS_DECL_EDITOR_COMMAND_COMMON_METHODS \
NS_DECL_DO_COMMAND_PARAM_DELEGATE_TO_DO_COMMAND \
NS_INLINE_DECL_EDITOR_COMMAND_MAKE_SINGLETON(_cmd) \
\
protected: \
_cmd() = default; \
virtual ~_cmd() = default; \
};
#define NS_DECL_EDITOR_COMMAND_FOR_BOOL_PARAM(_cmd) \
class _cmd final : public EditorCommand { \
NS_DECL_EDITOR_COMMAND_COMMON_METHODS \
NS_DECL_DO_COMMAND_PARAM_FOR_BOOL_PARAM \
NS_INLINE_DECL_EDITOR_COMMAND_MAKE_SINGLETON(_cmd) \
\
protected: \
_cmd() = default; \
virtual ~_cmd() = default; \
};
#define NS_DECL_EDITOR_COMMAND_FOR_CSTRING_PARAM(_cmd) \
class _cmd final : public EditorCommand { \
NS_DECL_EDITOR_COMMAND_COMMON_METHODS \
NS_DECL_DO_COMMAND_PARAM_FOR_CSTRING_PARAM \
NS_INLINE_DECL_EDITOR_COMMAND_MAKE_SINGLETON(_cmd) \
\
protected: \
_cmd() = default; \
virtual ~_cmd() = default; \
};
#define NS_DECL_EDITOR_COMMAND_FOR_STRING_PARAM(_cmd) \
class _cmd final : public EditorCommand { \
NS_DECL_EDITOR_COMMAND_COMMON_METHODS \
NS_DECL_DO_COMMAND_PARAM_FOR_STRING_PARAM \
NS_INLINE_DECL_EDITOR_COMMAND_MAKE_SINGLETON(_cmd) \
\
protected: \
_cmd() = default; \
virtual ~_cmd() = default; \
};
#define NS_DECL_EDITOR_COMMAND_FOR_TRANSFERABLE_PARAM(_cmd) \
class _cmd final : public EditorCommand { \
NS_DECL_EDITOR_COMMAND_COMMON_METHODS \
NS_DECL_DO_COMMAND_PARAM_FOR_TRANSFERABLE_PARAM \
NS_INLINE_DECL_EDITOR_COMMAND_MAKE_SINGLETON(_cmd) \
\
protected: \
_cmd() = default; \
virtual ~_cmd() = default; \
};
// basic editor commands
NS_DECL_EDITOR_COMMAND_FOR_NO_PARAM_WITH_DELEGATE(UndoCommand)
NS_DECL_EDITOR_COMMAND_FOR_NO_PARAM_WITH_DELEGATE(RedoCommand)
NS_DECL_EDITOR_COMMAND_FOR_NO_PARAM_WITH_DELEGATE(CutCommand)
NS_DECL_EDITOR_COMMAND_FOR_NO_PARAM_WITH_DELEGATE(CutOrDeleteCommand)
NS_DECL_EDITOR_COMMAND_FOR_NO_PARAM_WITH_DELEGATE(CopyCommand)
NS_DECL_EDITOR_COMMAND_FOR_NO_PARAM_WITH_DELEGATE(CopyOrDeleteCommand)
NS_DECL_EDITOR_COMMAND_FOR_NO_PARAM_WITH_DELEGATE(PasteCommand)
NS_DECL_EDITOR_COMMAND_FOR_TRANSFERABLE_PARAM(PasteTransferableCommand)
NS_DECL_EDITOR_COMMAND_FOR_NO_PARAM_WITH_DELEGATE(SwitchTextDirectionCommand)
NS_DECL_EDITOR_COMMAND_FOR_NO_PARAM_WITH_DELEGATE(DeleteCommand)
NS_DECL_EDITOR_COMMAND_FOR_NO_PARAM_WITH_DELEGATE(SelectAllCommand)
NS_DECL_EDITOR_COMMAND_FOR_NO_PARAM_WITH_DELEGATE(SelectionMoveCommands)
// Insert content commands
NS_DECL_EDITOR_COMMAND_FOR_STRING_PARAM(InsertPlaintextCommand)
NS_DECL_EDITOR_COMMAND_FOR_NO_PARAM_WITH_DELEGATE(InsertParagraphCommand)
NS_DECL_EDITOR_COMMAND_FOR_NO_PARAM_WITH_DELEGATE(InsertLineBreakCommand)
NS_DECL_EDITOR_COMMAND_FOR_NO_PARAM_WITH_DELEGATE(PasteQuotationCommand)
/******************************************************************************
* Commands for HTML editor
******************************************************************************/
// virtual base class for commands that need to save and update Boolean state
// (like styles etc)
class StateUpdatingCommandBase : public EditorCommand {
public:
NS_INLINE_DECL_REFCOUNTING_INHERITED(StateUpdatingCommandBase, EditorCommand)
NS_DECL_EDITOR_COMMAND_COMMON_METHODS
NS_DECL_DO_COMMAND_PARAM_DELEGATE_TO_DO_COMMAND
protected:
StateUpdatingCommandBase() = default;
virtual ~StateUpdatingCommandBase() = default;
// get the current state (on or off) for this style or block format
MOZ_CAN_RUN_SCRIPT
virtual nsresult GetCurrentState(nsAtom* aTagName, HTMLEditor* aHTMLEditor,
nsCommandParams& aParams) const = 0;
// add/remove the style
MOZ_CAN_RUN_SCRIPT
virtual nsresult ToggleState(nsAtom* aTagName, HTMLEditor* aHTMLEditor,
nsIPrincipal* aPrincipal) const = 0;
static nsAtom* GetTagName(Command aCommand) {
switch (aCommand) {
case Command::FormatBold:
return nsGkAtoms::b;
case Command::FormatItalic:
return nsGkAtoms::i;
case Command::FormatUnderline:
return nsGkAtoms::u;
case Command::FormatTeletypeText:
return nsGkAtoms::tt;
case Command::FormatStrikeThrough:
return nsGkAtoms::strike;
case Command::FormatSuperscript:
return nsGkAtoms::sup;
case Command::FormatSubscript:
return nsGkAtoms::sub;
case Command::FormatNoBreak:
return nsGkAtoms::nobr;
case Command::FormatEmphasis:
return nsGkAtoms::em;
case Command::FormatStrong:
return nsGkAtoms::strong;
case Command::FormatCitation:
return nsGkAtoms::cite;
case Command::FormatAbbreviation:
return nsGkAtoms::abbr;
case Command::FormatAcronym:
return nsGkAtoms::acronym;
case Command::FormatCode:
return nsGkAtoms::code;
case Command::FormatSample:
return nsGkAtoms::samp;
case Command::FormatVariable:
return nsGkAtoms::var;
case Command::FormatRemoveLink:
return nsGkAtoms::href;
case Command::InsertOrderedList:
return nsGkAtoms::ol;
case Command::InsertUnorderedList:
return nsGkAtoms::ul;
case Command::InsertDefinitionTerm:
return nsGkAtoms::dt;
case Command::InsertDefinitionDetails:
return nsGkAtoms::dd;
case Command::FormatAbsolutePosition:
return nsGkAtoms::_empty;
default:
return nullptr;
}
}
friend class InsertTagCommand; // for allowing it to access GetTagName()
};
// Shared class for the various style updating commands like bold, italics etc.
// Suitable for commands whose state is either 'on' or 'off'.
class StyleUpdatingCommand final : public StateUpdatingCommandBase {
public:
NS_INLINE_DECL_EDITOR_COMMAND_MAKE_SINGLETON(StyleUpdatingCommand)
protected:
StyleUpdatingCommand() = default;
virtual ~StyleUpdatingCommand() = default;
// get the current state (on or off) for this style or block format
MOZ_CAN_RUN_SCRIPT
nsresult GetCurrentState(nsAtom* aTagName, HTMLEditor* aHTMLEditor,
nsCommandParams& aParams) const final;
// add/remove the style
MOZ_CAN_RUN_SCRIPT
nsresult ToggleState(nsAtom* aTagName, HTMLEditor* aHTMLEditor,
nsIPrincipal* aPrincipal) const final;
};
class InsertTagCommand final : public EditorCommand {
public:
NS_INLINE_DECL_REFCOUNTING_INHERITED(InsertTagCommand, EditorCommand)
NS_DECL_EDITOR_COMMAND_COMMON_METHODS
NS_DECL_DO_COMMAND_PARAM_DELEGATE_TO_DO_COMMAND
NS_DECL_DO_COMMAND_PARAM_FOR_STRING_PARAM
NS_INLINE_DECL_EDITOR_COMMAND_MAKE_SINGLETON(InsertTagCommand)
protected:
InsertTagCommand() = default;
virtual ~InsertTagCommand() = default;
static nsAtom* GetTagName(Command aCommand) {
switch (aCommand) {
case Command::InsertLink:
return nsGkAtoms::a;
case Command::InsertImage:
return nsGkAtoms::img;
case Command::InsertHorizontalRule:
return nsGkAtoms::hr;
default:
return StateUpdatingCommandBase::GetTagName(aCommand);
}
}
};
class ListCommand final : public StateUpdatingCommandBase {
public:
NS_INLINE_DECL_EDITOR_COMMAND_MAKE_SINGLETON(ListCommand)
protected:
ListCommand() = default;
virtual ~ListCommand() = default;
// get the current state (on or off) for this style or block format
MOZ_CAN_RUN_SCRIPT
nsresult GetCurrentState(nsAtom* aTagName, HTMLEditor* aHTMLEditor,
nsCommandParams& aParams) const final;
// add/remove the style
MOZ_CAN_RUN_SCRIPT
nsresult ToggleState(nsAtom* aTagName, HTMLEditor* aHTMLEditor,
nsIPrincipal* aPrincipal) const final;
};
class ListItemCommand final : public StateUpdatingCommandBase {
public:
NS_INLINE_DECL_EDITOR_COMMAND_MAKE_SINGLETON(ListItemCommand)
protected:
ListItemCommand() = default;
virtual ~ListItemCommand() = default;
// get the current state (on or off) for this style or block format
MOZ_CAN_RUN_SCRIPT
nsresult GetCurrentState(nsAtom* aTagName, HTMLEditor* aHTMLEditor,
nsCommandParams& aParams) const final;
// add/remove the style
MOZ_CAN_RUN_SCRIPT
nsresult ToggleState(nsAtom* aTagName, HTMLEditor* aHTMLEditor,
nsIPrincipal* aPrincipal) const final;
};
// Base class for commands whose state consists of a string (e.g. para format)
class MultiStateCommandBase : public EditorCommand {
public:
NS_INLINE_DECL_REFCOUNTING_INHERITED(MultiStateCommandBase, EditorCommand)
NS_DECL_EDITOR_COMMAND_COMMON_METHODS
NS_DECL_DO_COMMAND_PARAM_FOR_STRING_PARAM
protected:
MultiStateCommandBase() = default;
virtual ~MultiStateCommandBase() = default;
MOZ_CAN_RUN_SCRIPT
virtual nsresult GetCurrentState(HTMLEditor* aHTMLEditor,
nsCommandParams& aParams) const = 0;
MOZ_CAN_RUN_SCRIPT
virtual nsresult SetState(HTMLEditor* aHTMLEditor, const nsAString& aNewState,
nsIPrincipal* aPrincipal) const = 0;
};
class ParagraphStateCommand final : public MultiStateCommandBase {
public:
NS_INLINE_DECL_EDITOR_COMMAND_MAKE_SINGLETON(ParagraphStateCommand)
protected:
ParagraphStateCommand() = default;
virtual ~ParagraphStateCommand() = default;
MOZ_CAN_RUN_SCRIPT
nsresult GetCurrentState(HTMLEditor* aHTMLEditor,
nsCommandParams& aParams) const final;
MOZ_CAN_RUN_SCRIPT
nsresult SetState(HTMLEditor* aHTMLEditor, const nsAString& aNewState,
nsIPrincipal* aPrincipal) const final;
};
class FontFaceStateCommand final : public MultiStateCommandBase {
public:
NS_INLINE_DECL_EDITOR_COMMAND_MAKE_SINGLETON(FontFaceStateCommand)
protected:
FontFaceStateCommand() = default;
virtual ~FontFaceStateCommand() = default;
MOZ_CAN_RUN_SCRIPT
nsresult GetCurrentState(HTMLEditor* aHTMLEditor,
nsCommandParams& aParams) const final;
MOZ_CAN_RUN_SCRIPT
nsresult SetState(HTMLEditor* aHTMLEditor, const nsAString& aNewState,
nsIPrincipal* aPrincipal) const final;
};
class FontSizeStateCommand final : public MultiStateCommandBase {
public:
NS_INLINE_DECL_EDITOR_COMMAND_MAKE_SINGLETON(FontSizeStateCommand)
protected:
FontSizeStateCommand() = default;
virtual ~FontSizeStateCommand() = default;
MOZ_CAN_RUN_SCRIPT
nsresult GetCurrentState(HTMLEditor* aHTMLEditor,
nsCommandParams& aParams) const final;
MOZ_CAN_RUN_SCRIPT
nsresult SetState(HTMLEditor* aHTMLEditor, const nsAString& aNewState,
nsIPrincipal* aPrincipal) const final;
};
class HighlightColorStateCommand final : public MultiStateCommandBase {
public:
NS_INLINE_DECL_EDITOR_COMMAND_MAKE_SINGLETON(HighlightColorStateCommand)
protected:
HighlightColorStateCommand() = default;
virtual ~HighlightColorStateCommand() = default;
MOZ_CAN_RUN_SCRIPT
nsresult GetCurrentState(HTMLEditor* aHTMLEditor,
nsCommandParams& aParams) const final;
MOZ_CAN_RUN_SCRIPT
nsresult SetState(HTMLEditor* aHTMLEditor, const nsAString& aNewState,
nsIPrincipal* aPrincipal) const final;
};
class FontColorStateCommand final : public MultiStateCommandBase {
public:
NS_INLINE_DECL_EDITOR_COMMAND_MAKE_SINGLETON(FontColorStateCommand)
protected:
FontColorStateCommand() = default;
virtual ~FontColorStateCommand() = default;
MOZ_CAN_RUN_SCRIPT
nsresult GetCurrentState(HTMLEditor* aHTMLEditor,
nsCommandParams& aParams) const final;
MOZ_CAN_RUN_SCRIPT
nsresult SetState(HTMLEditor* aHTMLEditor, const nsAString& aNewState,
nsIPrincipal* aPrincipal) const final;
};
class AlignCommand final : public MultiStateCommandBase {
public:
NS_INLINE_DECL_EDITOR_COMMAND_MAKE_SINGLETON(AlignCommand)
protected:
AlignCommand() = default;
virtual ~AlignCommand() = default;
MOZ_CAN_RUN_SCRIPT
nsresult GetCurrentState(HTMLEditor* aHTMLEditor,
nsCommandParams& aParams) const final;
MOZ_CAN_RUN_SCRIPT
nsresult SetState(HTMLEditor* aHTMLEditor, const nsAString& aNewState,
nsIPrincipal* aPrincipal) const final;
};
class BackgroundColorStateCommand final : public MultiStateCommandBase {
public:
NS_INLINE_DECL_EDITOR_COMMAND_MAKE_SINGLETON(BackgroundColorStateCommand)
protected:
BackgroundColorStateCommand() = default;
virtual ~BackgroundColorStateCommand() = default;
MOZ_CAN_RUN_SCRIPT
nsresult GetCurrentState(HTMLEditor* aHTMLEditor,
nsCommandParams& aParams) const final;
MOZ_CAN_RUN_SCRIPT
nsresult SetState(HTMLEditor* aHTMLEditor, const nsAString& aNewState,
nsIPrincipal* aPrincipal) const final;
};
class AbsolutePositioningCommand final : public StateUpdatingCommandBase {
public:
NS_INLINE_DECL_EDITOR_COMMAND_MAKE_SINGLETON(AbsolutePositioningCommand)
protected:
AbsolutePositioningCommand() = default;
virtual ~AbsolutePositioningCommand() = default;
MOZ_CAN_RUN_SCRIPT
nsresult GetCurrentState(nsAtom* aTagName, HTMLEditor* aHTMLEditor,
nsCommandParams& aParams) const final;
MOZ_CAN_RUN_SCRIPT
nsresult ToggleState(nsAtom* aTagName, HTMLEditor* aHTMLEditor,
nsIPrincipal* aPrincipal) const final;
};
// composer commands
NS_DECL_EDITOR_COMMAND_FOR_NO_PARAM_WITH_DELEGATE(DocumentStateCommand)
class SetDocumentStateCommand final : public EditorCommand {
public:
NS_INLINE_DECL_REFCOUNTING_INHERITED(SetDocumentStateCommand, EditorCommand)
NS_DECL_EDITOR_COMMAND_COMMON_METHODS
NS_DECL_DO_COMMAND_PARAM_FOR_BOOL_PARAM
NS_DECL_DO_COMMAND_PARAM_FOR_CSTRING_PARAM
NS_INLINE_DECL_EDITOR_COMMAND_MAKE_SINGLETON(SetDocumentStateCommand)
private:
SetDocumentStateCommand() = default;
virtual ~SetDocumentStateCommand() = default;
};
NS_DECL_EDITOR_COMMAND_FOR_NO_PARAM_WITH_DELEGATE(DecreaseZIndexCommand)
NS_DECL_EDITOR_COMMAND_FOR_NO_PARAM_WITH_DELEGATE(IncreaseZIndexCommand)
// Generic commands
// Edit menu
NS_DECL_EDITOR_COMMAND_FOR_NO_PARAM_WITH_DELEGATE(PasteNoFormattingCommand)
// Block transformations
NS_DECL_EDITOR_COMMAND_FOR_NO_PARAM_WITH_DELEGATE(IndentCommand)
NS_DECL_EDITOR_COMMAND_FOR_NO_PARAM_WITH_DELEGATE(OutdentCommand)
NS_DECL_EDITOR_COMMAND_FOR_NO_PARAM_WITH_DELEGATE(RemoveListCommand)
NS_DECL_EDITOR_COMMAND_FOR_NO_PARAM_WITH_DELEGATE(RemoveStylesCommand)
NS_DECL_EDITOR_COMMAND_FOR_NO_PARAM_WITH_DELEGATE(IncreaseFontSizeCommand)
NS_DECL_EDITOR_COMMAND_FOR_NO_PARAM_WITH_DELEGATE(DecreaseFontSizeCommand)
// Insert content commands
NS_DECL_EDITOR_COMMAND_FOR_STRING_PARAM(InsertHTMLCommand)
#undef NS_DECL_EDITOR_COMMAND_FOR_NO_PARAM_WITH_DELEGATE
#undef NS_DECL_EDITOR_COMMAND_FOR_BOOL_PARAM
#undef NS_DECL_EDITOR_COMMAND_FOR_CSTRING_PARAM
#undef NS_DECL_EDITOR_COMMAND_FOR_STRING_PARAM
#undef NS_DECL_EDITOR_COMMAND_FOR_TRANSFERABLE_PARAM
#undef NS_DECL_EDITOR_COMMAND_COMMON_METHODS
#undef NS_DECL_DO_COMMAND_PARAM_DELEGATE_TO_DO_COMMAND
#undef NS_DECL_DO_COMMAND_PARAM_FOR_BOOL_PARAM
#undef NS_DECL_DO_COMMAND_PARAM_FOR_CSTRING_PARAM
#undef NS_DECL_DO_COMMAND_PARAM_FOR_STRING_PARAM
#undef NS_DECL_DO_COMMAND_PARAM_FOR_TRANSFERABLE_PARAM
#undef NS_INLINE_DECL_EDITOR_COMMAND_MAKE_SINGLETON
} // namespace mozilla
#endif // #ifndef mozilla_EditorCommands_h
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