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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /editor/composer/nsComposerCommands.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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diff --git a/editor/composer/nsComposerCommands.h b/editor/composer/nsComposerCommands.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 nsComposerCommands_h_
+#define nsComposerCommands_h_
+
+#include "nsIControllerCommand.h"
+#include "nsISupportsImpl.h" // for NS_DECL_ISUPPORTS_INHERITED, etc
+#include "nscore.h" // for nsresult, NS_IMETHOD
+
+class nsIAtom;
+class nsICommandParams;
+class nsIEditor;
+class nsISupports;
+class nsString;
+
+// This is a virtual base class for commands registered with the composer controller.
+// Note that such commands are instantiated once per composer, so can store state.
+// Also note that IsCommandEnabled can be called with an editor that may not
+// have an editor yet (because the document is loading). Most commands will want
+// to return false in this case.
+// Don't hold on to any references to the editor or document from
+// your command. This will cause leaks. Also, be aware that the document the
+// editor is editing can change under you (if the user Reverts the file, for
+// instance).
+class nsBaseComposerCommand : public nsIControllerCommand
+{
+protected:
+ virtual ~nsBaseComposerCommand() {}
+
+public:
+
+ nsBaseComposerCommand();
+
+ // nsISupports
+ NS_DECL_ISUPPORTS
+
+ // nsIControllerCommand. Declared longhand so we can make them pure virtual
+ NS_IMETHOD IsCommandEnabled(const char * aCommandName, nsISupports *aCommandRefCon, bool *_retval) override = 0;
+ NS_IMETHOD DoCommand(const char * aCommandName, nsISupports *aCommandRefCon) override = 0;
+
+};
+
+
+#define NS_DECL_COMPOSER_COMMAND(_cmd) \
+class _cmd : public nsBaseComposerCommand \
+{ \
+public: \
+ NS_DECL_NSICONTROLLERCOMMAND \
+};
+
+// virtual base class for commands that need to save and update Boolean state (like styles etc)
+class nsBaseStateUpdatingCommand : public nsBaseComposerCommand
+{
+public:
+ explicit nsBaseStateUpdatingCommand(nsIAtom* aTagName);
+
+ NS_DECL_ISUPPORTS_INHERITED
+
+ NS_DECL_NSICONTROLLERCOMMAND
+
+protected:
+ virtual ~nsBaseStateUpdatingCommand();
+
+ // get the current state (on or off) for this style or block format
+ virtual nsresult GetCurrentState(nsIEditor* aEditor, nsICommandParams* aParams) = 0;
+
+ // add/remove the style
+ virtual nsresult ToggleState(nsIEditor* aEditor) = 0;
+
+protected:
+ nsIAtom* mTagName;
+};
+
+
+// Shared class for the various style updating commands like bold, italics etc.
+// Suitable for commands whose state is either 'on' or 'off'.
+class nsStyleUpdatingCommand : public nsBaseStateUpdatingCommand
+{
+public:
+ explicit nsStyleUpdatingCommand(nsIAtom* aTagName);
+
+protected:
+
+ // get the current state (on or off) for this style or block format
+ virtual nsresult GetCurrentState(nsIEditor* aEditor, nsICommandParams* aParams);
+
+ // add/remove the style
+ virtual nsresult ToggleState(nsIEditor* aEditor);
+};
+
+
+class nsInsertTagCommand : public nsBaseComposerCommand
+{
+public:
+ explicit nsInsertTagCommand(nsIAtom* aTagName);
+
+ NS_DECL_ISUPPORTS_INHERITED
+
+ NS_DECL_NSICONTROLLERCOMMAND
+
+protected:
+ virtual ~nsInsertTagCommand();
+
+ nsIAtom* mTagName;
+};
+
+
+class nsListCommand : public nsBaseStateUpdatingCommand
+{
+public:
+ explicit nsListCommand(nsIAtom* aTagName);
+
+protected:
+
+ // get the current state (on or off) for this style or block format
+ virtual nsresult GetCurrentState(nsIEditor* aEditor, nsICommandParams* aParams);
+
+ // add/remove the style
+ virtual nsresult ToggleState(nsIEditor* aEditor);
+};
+
+class nsListItemCommand : public nsBaseStateUpdatingCommand
+{
+public:
+ explicit nsListItemCommand(nsIAtom* aTagName);
+
+protected:
+
+ // get the current state (on or off) for this style or block format
+ virtual nsresult GetCurrentState(nsIEditor* aEditor, nsICommandParams* aParams);
+
+ // add/remove the style
+ virtual nsresult ToggleState(nsIEditor* aEditor);
+};
+
+// Base class for commands whose state consists of a string (e.g. para format)
+class nsMultiStateCommand : public nsBaseComposerCommand
+{
+public:
+
+ nsMultiStateCommand();
+
+ NS_DECL_ISUPPORTS_INHERITED
+ NS_DECL_NSICONTROLLERCOMMAND
+
+protected:
+ virtual ~nsMultiStateCommand();
+
+ virtual nsresult GetCurrentState(nsIEditor *aEditor, nsICommandParams* aParams) =0;
+ virtual nsresult SetState(nsIEditor *aEditor, nsString& newState) = 0;
+
+};
+
+
+class nsParagraphStateCommand : public nsMultiStateCommand
+{
+public:
+ nsParagraphStateCommand();
+
+protected:
+
+ virtual nsresult GetCurrentState(nsIEditor *aEditor, nsICommandParams* aParams);
+ virtual nsresult SetState(nsIEditor *aEditor, nsString& newState);
+};
+
+class nsFontFaceStateCommand : public nsMultiStateCommand
+{
+public:
+ nsFontFaceStateCommand();
+
+protected:
+
+ virtual nsresult GetCurrentState(nsIEditor *aEditor, nsICommandParams* aParams);
+ virtual nsresult SetState(nsIEditor *aEditor, nsString& newState);
+};
+
+class nsFontSizeStateCommand : public nsMultiStateCommand
+{
+public:
+ nsFontSizeStateCommand();
+
+protected:
+
+ virtual nsresult GetCurrentState(nsIEditor *aEditor,
+ nsICommandParams* aParams);
+ virtual nsresult SetState(nsIEditor *aEditor, nsString& newState);
+};
+
+class nsHighlightColorStateCommand : public nsMultiStateCommand
+{
+public:
+ nsHighlightColorStateCommand();
+
+protected:
+
+ NS_IMETHOD IsCommandEnabled(const char *aCommandName, nsISupports *aCommandRefCon, bool *_retval);
+ virtual nsresult GetCurrentState(nsIEditor *aEditor, nsICommandParams* aParams);
+ virtual nsresult SetState(nsIEditor *aEditor, nsString& newState);
+
+};
+
+class nsFontColorStateCommand : public nsMultiStateCommand
+{
+public:
+ nsFontColorStateCommand();
+
+protected:
+
+ virtual nsresult GetCurrentState(nsIEditor *aEditor, nsICommandParams* aParams);
+ virtual nsresult SetState(nsIEditor *aEditor, nsString& newState);
+};
+
+class nsAlignCommand : public nsMultiStateCommand
+{
+public:
+ nsAlignCommand();
+
+protected:
+
+ virtual nsresult GetCurrentState(nsIEditor *aEditor, nsICommandParams* aParams);
+ virtual nsresult SetState(nsIEditor *aEditor, nsString& newState);
+};
+
+class nsBackgroundColorStateCommand : public nsMultiStateCommand
+{
+public:
+ nsBackgroundColorStateCommand();
+
+protected:
+
+ virtual nsresult GetCurrentState(nsIEditor *aEditor, nsICommandParams* aParams);
+ virtual nsresult SetState(nsIEditor *aEditor, nsString& newState);
+};
+
+class nsAbsolutePositioningCommand : public nsBaseStateUpdatingCommand
+{
+public:
+ nsAbsolutePositioningCommand();
+
+protected:
+
+ NS_IMETHOD IsCommandEnabled(const char *aCommandName, nsISupports *aCommandRefCon, bool *_retval);
+ virtual nsresult GetCurrentState(nsIEditor* aEditor, nsICommandParams* aParams);
+ virtual nsresult ToggleState(nsIEditor* aEditor);
+};
+
+// composer commands
+
+NS_DECL_COMPOSER_COMMAND(nsCloseCommand)
+NS_DECL_COMPOSER_COMMAND(nsDocumentStateCommand)
+NS_DECL_COMPOSER_COMMAND(nsSetDocumentStateCommand)
+NS_DECL_COMPOSER_COMMAND(nsSetDocumentOptionsCommand)
+//NS_DECL_COMPOSER_COMMAND(nsPrintingCommands)
+
+NS_DECL_COMPOSER_COMMAND(nsDecreaseZIndexCommand)
+NS_DECL_COMPOSER_COMMAND(nsIncreaseZIndexCommand)
+
+// Generic commands
+
+// File menu
+NS_DECL_COMPOSER_COMMAND(nsNewCommands) // handles 'new' anything
+
+// Edit menu
+NS_DECL_COMPOSER_COMMAND(nsPasteNoFormattingCommand)
+
+// Block transformations
+NS_DECL_COMPOSER_COMMAND(nsIndentCommand)
+NS_DECL_COMPOSER_COMMAND(nsOutdentCommand)
+
+NS_DECL_COMPOSER_COMMAND(nsRemoveListCommand)
+NS_DECL_COMPOSER_COMMAND(nsRemoveStylesCommand)
+NS_DECL_COMPOSER_COMMAND(nsIncreaseFontSizeCommand)
+NS_DECL_COMPOSER_COMMAND(nsDecreaseFontSizeCommand)
+
+// Insert content commands
+NS_DECL_COMPOSER_COMMAND(nsInsertHTMLCommand)
+
+#endif // nsComposerCommands_h_