gecko-dev/editor/composer/nsComposerCommands.cpp

1538 lines
45 KiB
C++

/* -*- 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 <stdio.h> // for printf
#include "mozilla/Assertions.h" // for MOZ_ASSERT, etc
#include "nsAString.h"
#include "nsCOMPtr.h" // for nsCOMPtr, do_QueryInterface, etc
#include "nsComponentManagerUtils.h" // for do_CreateInstance
#include "nsComposerCommands.h"
#include "nsDebug.h" // for NS_ENSURE_TRUE, etc
#include "nsError.h" // for NS_OK, NS_ERROR_FAILURE, etc
#include "nsGkAtoms.h" // for nsGkAtoms, nsGkAtoms::font, etc
#include "nsIAtom.h" // for nsIAtom, etc
#include "nsIClipboard.h" // for nsIClipboard, etc
#include "nsICommandParams.h" // for nsICommandParams, etc
#include "nsID.h"
#include "nsIDOMElement.h" // for nsIDOMElement
#include "nsIEditor.h" // for nsIEditor
#include "nsIHTMLAbsPosEditor.h" // for nsIHTMLAbsPosEditor
#include "nsIHTMLEditor.h" // for nsIHTMLEditor, etc
#include "nsLiteralString.h" // for NS_LITERAL_STRING
#include "nsReadableUtils.h" // for EmptyString
#include "nsString.h" // for nsAutoString, nsString, etc
#include "nsStringFwd.h" // for nsAFlatString
class nsISupports;
//prototype
nsresult GetListState(nsIHTMLEditor* aEditor, bool* aMixed,
nsAString& aLocalName);
nsresult RemoveOneProperty(nsIHTMLEditor* aEditor, const nsAString& aProp);
nsresult RemoveTextProperty(nsIHTMLEditor* aEditor, const nsAString& aProp);
nsresult SetTextProperty(nsIHTMLEditor *aEditor, const nsAString& aProp);
//defines
#define STATE_ENABLED "state_enabled"
#define STATE_ALL "state_all"
#define STATE_ANY "state_any"
#define STATE_MIXED "state_mixed"
#define STATE_BEGIN "state_begin"
#define STATE_END "state_end"
#define STATE_ATTRIBUTE "state_attribute"
#define STATE_DATA "state_data"
nsBaseComposerCommand::nsBaseComposerCommand()
{
}
NS_IMPL_ISUPPORTS(nsBaseComposerCommand, nsIControllerCommand)
nsBaseStateUpdatingCommand::nsBaseStateUpdatingCommand(nsIAtom* aTagName)
: nsBaseComposerCommand()
, mTagName(aTagName)
{
MOZ_ASSERT(mTagName);
}
nsBaseStateUpdatingCommand::~nsBaseStateUpdatingCommand()
{
}
NS_IMPL_ISUPPORTS_INHERITED0(nsBaseStateUpdatingCommand, nsBaseComposerCommand)
NS_IMETHODIMP
nsBaseStateUpdatingCommand::IsCommandEnabled(const char *aCommandName,
nsISupports *refCon,
bool *outCmdEnabled)
{
nsCOMPtr<nsIEditor> editor = do_QueryInterface(refCon);
if (editor)
return editor->GetIsSelectionEditable(outCmdEnabled);
*outCmdEnabled = false;
return NS_OK;
}
NS_IMETHODIMP
nsBaseStateUpdatingCommand::DoCommand(const char *aCommandName,
nsISupports *refCon)
{
nsCOMPtr<nsIEditor> editor = do_QueryInterface(refCon);
NS_ENSURE_TRUE(editor, NS_ERROR_NOT_INITIALIZED);
return ToggleState(editor);
}
NS_IMETHODIMP
nsBaseStateUpdatingCommand::DoCommandParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
return DoCommand(aCommandName, refCon);
}
NS_IMETHODIMP
nsBaseStateUpdatingCommand::GetCommandStateParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
nsCOMPtr<nsIEditor> editor = do_QueryInterface(refCon);
if (editor)
return GetCurrentState(editor, aParams);
return NS_OK;
}
NS_IMETHODIMP
nsPasteNoFormattingCommand::IsCommandEnabled(const char * aCommandName,
nsISupports *refCon,
bool *outCmdEnabled)
{
NS_ENSURE_ARG_POINTER(outCmdEnabled);
*outCmdEnabled = false;
// This command is only implemented by nsIHTMLEditor, since
// pasting in a plaintext editor automatically only supplies
// "unformatted" text
nsCOMPtr<nsIHTMLEditor> htmlEditor = do_QueryInterface(refCon);
NS_ENSURE_TRUE(htmlEditor, NS_ERROR_NOT_IMPLEMENTED);
nsCOMPtr<nsIEditor> editor = do_QueryInterface(htmlEditor);
NS_ENSURE_TRUE(editor, NS_ERROR_INVALID_ARG);
return editor->CanPaste(nsIClipboard::kGlobalClipboard, outCmdEnabled);
}
NS_IMETHODIMP
nsPasteNoFormattingCommand::DoCommand(const char *aCommandName,
nsISupports *refCon)
{
nsCOMPtr<nsIHTMLEditor> htmlEditor = do_QueryInterface(refCon);
NS_ENSURE_TRUE(htmlEditor, NS_ERROR_NOT_IMPLEMENTED);
return htmlEditor->PasteNoFormatting(nsIClipboard::kGlobalClipboard);
}
NS_IMETHODIMP
nsPasteNoFormattingCommand::DoCommandParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
return DoCommand(aCommandName, refCon);
}
NS_IMETHODIMP
nsPasteNoFormattingCommand::GetCommandStateParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
NS_ENSURE_ARG_POINTER(aParams);
bool enabled = false;
nsresult rv = IsCommandEnabled(aCommandName, refCon, &enabled);
NS_ENSURE_SUCCESS(rv, rv);
return aParams->SetBooleanValue(STATE_ENABLED, enabled);
}
nsStyleUpdatingCommand::nsStyleUpdatingCommand(nsIAtom* aTagName)
: nsBaseStateUpdatingCommand(aTagName)
{
}
nsresult
nsStyleUpdatingCommand::GetCurrentState(nsIEditor *aEditor,
nsICommandParams *aParams)
{
NS_ASSERTION(aEditor, "Need editor here");
nsCOMPtr<nsIHTMLEditor> htmlEditor = do_QueryInterface(aEditor);
NS_ENSURE_TRUE(htmlEditor, NS_ERROR_NOT_INITIALIZED);
bool firstOfSelectionHasProp = false;
bool anyOfSelectionHasProp = false;
bool allOfSelectionHasProp = false;
nsresult rv = htmlEditor->GetInlineProperty(mTagName, EmptyString(),
EmptyString(),
&firstOfSelectionHasProp,
&anyOfSelectionHasProp,
&allOfSelectionHasProp);
aParams->SetBooleanValue(STATE_ENABLED, NS_SUCCEEDED(rv));
aParams->SetBooleanValue(STATE_ALL, allOfSelectionHasProp);
aParams->SetBooleanValue(STATE_ANY, anyOfSelectionHasProp);
aParams->SetBooleanValue(STATE_MIXED, anyOfSelectionHasProp
&& !allOfSelectionHasProp);
aParams->SetBooleanValue(STATE_BEGIN, firstOfSelectionHasProp);
aParams->SetBooleanValue(STATE_END, allOfSelectionHasProp);//not completely accurate
return NS_OK;
}
nsresult
nsStyleUpdatingCommand::ToggleState(nsIEditor *aEditor)
{
nsCOMPtr<nsIHTMLEditor> htmlEditor = do_QueryInterface(aEditor);
NS_ENSURE_TRUE(htmlEditor, NS_ERROR_NO_INTERFACE);
//create some params now...
nsresult rv;
nsCOMPtr<nsICommandParams> params =
do_CreateInstance(NS_COMMAND_PARAMS_CONTRACTID,&rv);
if (NS_FAILED(rv) || !params)
return rv;
// tags "href" and "name" are special cases in the core editor
// they are used to remove named anchor/link and shouldn't be used for insertion
bool doTagRemoval;
if (mTagName == nsGkAtoms::href || mTagName == nsGkAtoms::name) {
doTagRemoval = true;
} else {
// check current selection; set doTagRemoval if formatting should be removed
rv = GetCurrentState(aEditor, params);
NS_ENSURE_SUCCESS(rv, rv);
rv = params->GetBooleanValue(STATE_ALL, &doTagRemoval);
NS_ENSURE_SUCCESS(rv, rv);
}
if (doTagRemoval) {
// Also remove equivalent properties (bug 317093)
if (mTagName == nsGkAtoms::b) {
rv = RemoveTextProperty(htmlEditor, NS_LITERAL_STRING("strong"));
NS_ENSURE_SUCCESS(rv, rv);
} else if (mTagName == nsGkAtoms::i) {
rv = RemoveTextProperty(htmlEditor, NS_LITERAL_STRING("em"));
NS_ENSURE_SUCCESS(rv, rv);
} else if (mTagName == nsGkAtoms::strike) {
rv = RemoveTextProperty(htmlEditor, NS_LITERAL_STRING("s"));
NS_ENSURE_SUCCESS(rv, rv);
}
rv = RemoveTextProperty(htmlEditor, nsDependentAtomString(mTagName));
} else {
// Superscript and Subscript styles are mutually exclusive
aEditor->BeginTransaction();
nsDependentAtomString tagName(mTagName);
if (mTagName == nsGkAtoms::sub || mTagName == nsGkAtoms::sup) {
rv = RemoveTextProperty(htmlEditor, tagName);
}
if (NS_SUCCEEDED(rv))
rv = SetTextProperty(htmlEditor, tagName);
aEditor->EndTransaction();
}
return rv;
}
nsListCommand::nsListCommand(nsIAtom* aTagName)
: nsBaseStateUpdatingCommand(aTagName)
{
}
nsresult
nsListCommand::GetCurrentState(nsIEditor* aEditor, nsICommandParams* aParams)
{
NS_ASSERTION(aEditor, "Need editor here");
nsCOMPtr<nsIHTMLEditor> htmlEditor = do_QueryInterface(aEditor);
NS_ENSURE_TRUE(htmlEditor, NS_ERROR_NO_INTERFACE);
bool bMixed;
nsAutoString localName;
nsresult rv = GetListState(htmlEditor, &bMixed, localName);
NS_ENSURE_SUCCESS(rv, rv);
bool inList = mTagName->Equals(localName);
aParams->SetBooleanValue(STATE_ALL, !bMixed && inList);
aParams->SetBooleanValue(STATE_MIXED, bMixed);
aParams->SetBooleanValue(STATE_ENABLED, true);
return NS_OK;
}
nsresult
nsListCommand::ToggleState(nsIEditor *aEditor)
{
nsCOMPtr<nsIHTMLEditor> editor = do_QueryInterface(aEditor);
NS_ENSURE_TRUE(editor, NS_NOINTERFACE);
nsresult rv;
nsCOMPtr<nsICommandParams> params =
do_CreateInstance(NS_COMMAND_PARAMS_CONTRACTID,&rv);
if (NS_FAILED(rv) || !params)
return rv;
rv = GetCurrentState(aEditor, params);
NS_ENSURE_SUCCESS(rv, rv);
bool inList;
rv = params->GetBooleanValue(STATE_ALL,&inList);
NS_ENSURE_SUCCESS(rv, rv);
nsDependentAtomString listType(mTagName);
if (inList) {
rv = editor->RemoveList(listType);
} else {
rv = editor->MakeOrChangeList(listType, false, EmptyString());
}
return rv;
}
nsListItemCommand::nsListItemCommand(nsIAtom* aTagName)
: nsBaseStateUpdatingCommand(aTagName)
{
}
nsresult
nsListItemCommand::GetCurrentState(nsIEditor* aEditor,
nsICommandParams *aParams)
{
NS_ASSERTION(aEditor, "Need editor here");
// 39584
nsCOMPtr<nsIHTMLEditor> htmlEditor = do_QueryInterface(aEditor);
NS_ENSURE_TRUE(htmlEditor, NS_NOINTERFACE);
bool bMixed, bLI, bDT, bDD;
nsresult rv = htmlEditor->GetListItemState(&bMixed, &bLI, &bDT, &bDD);
NS_ENSURE_SUCCESS(rv, rv);
bool inList = false;
if (!bMixed)
{
if (bLI) {
inList = mTagName == nsGkAtoms::li;
} else if (bDT) {
inList = mTagName == nsGkAtoms::dt;
} else if (bDD) {
inList = mTagName == nsGkAtoms::dd;
}
}
aParams->SetBooleanValue(STATE_ALL, !bMixed && inList);
aParams->SetBooleanValue(STATE_MIXED, bMixed);
return NS_OK;
}
nsresult
nsListItemCommand::ToggleState(nsIEditor *aEditor)
{
NS_ASSERTION(aEditor, "Need editor here");
nsCOMPtr<nsIHTMLEditor> htmlEditor = do_QueryInterface(aEditor);
NS_ENSURE_TRUE(htmlEditor, NS_ERROR_NOT_INITIALIZED);
bool inList;
// Need to use mTagName????
nsresult rv;
nsCOMPtr<nsICommandParams> params =
do_CreateInstance(NS_COMMAND_PARAMS_CONTRACTID,&rv);
if (NS_FAILED(rv) || !params)
return rv;
rv = GetCurrentState(aEditor, params);
rv = params->GetBooleanValue(STATE_ALL,&inList);
NS_ENSURE_SUCCESS(rv, rv);
NS_ENSURE_SUCCESS(rv, rv);
if (inList) {
// To remove a list, first get what kind of list we're in
bool bMixed;
nsAutoString localName;
rv = GetListState(htmlEditor, &bMixed, localName);
NS_ENSURE_SUCCESS(rv, rv);
if (localName.IsEmpty() || bMixed) {
return rv;
}
return htmlEditor->RemoveList(localName);
}
// Set to the requested paragraph type
//XXX Note: This actually doesn't work for "LI",
// but we currently don't use this for non DL lists anyway.
// Problem: won't this replace any current block paragraph style?
return htmlEditor->SetParagraphFormat(nsDependentAtomString(mTagName));
}
NS_IMETHODIMP
nsRemoveListCommand::IsCommandEnabled(const char * aCommandName,
nsISupports *refCon,
bool *outCmdEnabled)
{
*outCmdEnabled = false;
nsCOMPtr<nsIEditor> editor = do_QueryInterface(refCon);
NS_ENSURE_TRUE(editor, NS_OK);
bool isEditable = false;
nsresult rv = editor->GetIsSelectionEditable(&isEditable);
NS_ENSURE_SUCCESS(rv, rv);
if (!isEditable) {
return NS_OK;
}
// It is enabled if we are in any list type
nsCOMPtr<nsIHTMLEditor> htmlEditor = do_QueryInterface(refCon);
NS_ENSURE_TRUE(htmlEditor, NS_ERROR_NO_INTERFACE);
bool bMixed;
nsAutoString localName;
rv = GetListState(htmlEditor, &bMixed, localName);
NS_ENSURE_SUCCESS(rv, rv);
*outCmdEnabled = bMixed || !localName.IsEmpty();
return NS_OK;
}
NS_IMETHODIMP
nsRemoveListCommand::DoCommand(const char *aCommandName, nsISupports *refCon)
{
nsCOMPtr<nsIHTMLEditor> editor = do_QueryInterface(refCon);
nsresult rv = NS_OK;
if (editor)
{
// This removes any list type
rv = editor->RemoveList(EmptyString());
}
return rv;
}
NS_IMETHODIMP
nsRemoveListCommand::DoCommandParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
return DoCommand(aCommandName, refCon);
}
NS_IMETHODIMP
nsRemoveListCommand::GetCommandStateParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
bool outCmdEnabled = false;
IsCommandEnabled(aCommandName, refCon, &outCmdEnabled);
return aParams->SetBooleanValue(STATE_ENABLED,outCmdEnabled);
}
NS_IMETHODIMP
nsIndentCommand::IsCommandEnabled(const char * aCommandName,
nsISupports *refCon, bool *outCmdEnabled)
{
nsCOMPtr<nsIEditor> editor = do_QueryInterface(refCon);
if (editor)
return editor->GetIsSelectionEditable(outCmdEnabled);
*outCmdEnabled = false;
return NS_OK;
}
NS_IMETHODIMP
nsIndentCommand::DoCommand(const char *aCommandName, nsISupports *refCon)
{
nsCOMPtr<nsIHTMLEditor> editor = do_QueryInterface(refCon);
nsresult rv = NS_OK;
if (editor)
{
rv = editor->Indent(NS_LITERAL_STRING("indent"));
}
return rv;
}
NS_IMETHODIMP
nsIndentCommand::DoCommandParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
return DoCommand(aCommandName, refCon);
}
NS_IMETHODIMP
nsIndentCommand::GetCommandStateParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
bool outCmdEnabled = false;
IsCommandEnabled(aCommandName, refCon, &outCmdEnabled);
return aParams->SetBooleanValue(STATE_ENABLED,outCmdEnabled);
}
//OUTDENT
NS_IMETHODIMP
nsOutdentCommand::IsCommandEnabled(const char * aCommandName,
nsISupports *refCon,
bool *outCmdEnabled)
{
*outCmdEnabled = false;
nsCOMPtr<nsIEditor> editor = do_QueryInterface(refCon);
if (editor) {
nsresult rv = editor->GetIsSelectionEditable(outCmdEnabled);
NS_ENSURE_SUCCESS(rv, rv);
}
return NS_OK;
}
NS_IMETHODIMP
nsOutdentCommand::DoCommand(const char *aCommandName, nsISupports *refCon)
{
nsCOMPtr<nsIHTMLEditor> htmlEditor = do_QueryInterface(refCon);
if (htmlEditor)
return htmlEditor->Indent(NS_LITERAL_STRING("outdent"));
return NS_OK;
}
NS_IMETHODIMP
nsOutdentCommand::DoCommandParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
return DoCommand(aCommandName, refCon);
}
NS_IMETHODIMP
nsOutdentCommand::GetCommandStateParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
bool outCmdEnabled = false;
IsCommandEnabled(aCommandName, refCon, &outCmdEnabled);
return aParams->SetBooleanValue(STATE_ENABLED,outCmdEnabled);
}
nsMultiStateCommand::nsMultiStateCommand()
: nsBaseComposerCommand()
{
}
nsMultiStateCommand::~nsMultiStateCommand()
{
}
NS_IMPL_ISUPPORTS_INHERITED0(nsMultiStateCommand, nsBaseComposerCommand)
NS_IMETHODIMP
nsMultiStateCommand::IsCommandEnabled(const char * aCommandName,
nsISupports *refCon,
bool *outCmdEnabled)
{
nsCOMPtr<nsIEditor> editor = do_QueryInterface(refCon);
// should be disabled sometimes, like if the current selection is an image
if (editor)
return editor->GetIsSelectionEditable(outCmdEnabled);
*outCmdEnabled = false;
return NS_OK;
}
NS_IMETHODIMP
nsMultiStateCommand::DoCommand(const char *aCommandName, nsISupports *refCon)
{
#ifdef DEBUG
printf("who is calling nsMultiStateCommand::DoCommand \
(no implementation)? %s\n", aCommandName);
#endif
return NS_OK;
}
NS_IMETHODIMP
nsMultiStateCommand::DoCommandParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
nsCOMPtr<nsIEditor> editor = do_QueryInterface(refCon);
nsresult rv = NS_OK;
if (editor)
{
nsAutoString tString;
if (aParams) {
nsXPIDLCString s;
rv = aParams->GetCStringValue(STATE_ATTRIBUTE, getter_Copies(s));
if (NS_SUCCEEDED(rv))
tString.AssignWithConversion(s);
else
rv = aParams->GetStringValue(STATE_ATTRIBUTE, tString);
}
rv = SetState(editor, tString);
}
return rv;
}
NS_IMETHODIMP
nsMultiStateCommand::GetCommandStateParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
nsCOMPtr<nsIEditor> editor = do_QueryInterface(refCon);
nsresult rv = NS_OK;
if (editor)
{
rv = GetCurrentState(editor, aParams);
}
return rv;
}
nsParagraphStateCommand::nsParagraphStateCommand()
: nsMultiStateCommand()
{
}
nsresult
nsParagraphStateCommand::GetCurrentState(nsIEditor *aEditor,
nsICommandParams *aParams)
{
NS_ASSERTION(aEditor, "Need an editor here");
nsCOMPtr<nsIHTMLEditor> htmlEditor = do_QueryInterface(aEditor);
NS_ENSURE_TRUE(htmlEditor, NS_ERROR_FAILURE);
bool outMixed;
nsAutoString outStateString;
nsresult rv = htmlEditor->GetParagraphState(&outMixed, outStateString);
if (NS_SUCCEEDED(rv))
{
nsAutoCString tOutStateString;
tOutStateString.AssignWithConversion(outStateString);
aParams->SetBooleanValue(STATE_MIXED,outMixed);
aParams->SetCStringValue(STATE_ATTRIBUTE, tOutStateString.get());
}
return rv;
}
nsresult
nsParagraphStateCommand::SetState(nsIEditor *aEditor, nsString& newState)
{
NS_ASSERTION(aEditor, "Need an editor here");
nsCOMPtr<nsIHTMLEditor> htmlEditor = do_QueryInterface(aEditor);
NS_ENSURE_TRUE(htmlEditor, NS_ERROR_FAILURE);
return htmlEditor->SetParagraphFormat(newState);
}
nsFontFaceStateCommand::nsFontFaceStateCommand()
: nsMultiStateCommand()
{
}
nsresult
nsFontFaceStateCommand::GetCurrentState(nsIEditor *aEditor,
nsICommandParams *aParams)
{
NS_ASSERTION(aEditor, "Need an editor here");
nsCOMPtr<nsIHTMLEditor> htmlEditor = do_QueryInterface(aEditor);
NS_ENSURE_TRUE(htmlEditor, NS_ERROR_FAILURE);
nsAutoString outStateString;
bool outMixed;
nsresult rv = htmlEditor->GetFontFaceState(&outMixed, outStateString);
if (NS_SUCCEEDED(rv))
{
aParams->SetBooleanValue(STATE_MIXED,outMixed);
aParams->SetCStringValue(STATE_ATTRIBUTE, NS_ConvertUTF16toUTF8(outStateString).get());
}
return rv;
}
nsresult
nsFontFaceStateCommand::SetState(nsIEditor *aEditor, nsString& newState)
{
NS_ASSERTION(aEditor, "Need an editor here");
nsCOMPtr<nsIHTMLEditor> htmlEditor = do_QueryInterface(aEditor);
NS_ENSURE_TRUE(htmlEditor, NS_ERROR_FAILURE);
if (newState.EqualsLiteral("tt")) {
// The old "teletype" attribute
nsresult rv = htmlEditor->SetInlineProperty(nsGkAtoms::tt, EmptyString(),
EmptyString());
NS_ENSURE_SUCCESS(rv, rv);
// Clear existing font face
return htmlEditor->RemoveInlineProperty(nsGkAtoms::font,
NS_LITERAL_STRING("face"));
}
// Remove any existing TT nodes
nsresult rv = htmlEditor->RemoveInlineProperty(nsGkAtoms::tt, EmptyString());
NS_ENSURE_SUCCESS(rv, rv);
if (newState.IsEmpty() || newState.EqualsLiteral("normal")) {
return htmlEditor->RemoveInlineProperty(nsGkAtoms::font,
NS_LITERAL_STRING("face"));
}
return htmlEditor->SetInlineProperty(nsGkAtoms::font,
NS_LITERAL_STRING("face"), newState);
}
nsFontSizeStateCommand::nsFontSizeStateCommand()
: nsMultiStateCommand()
{
}
// nsAutoCString tOutStateString;
// tOutStateString.AssignWithConversion(outStateString);
nsresult
nsFontSizeStateCommand::GetCurrentState(nsIEditor *aEditor,
nsICommandParams *aParams)
{
NS_ASSERTION(aEditor, "Need an editor here");
nsCOMPtr<nsIHTMLEditor> htmlEditor = do_QueryInterface(aEditor);
NS_ENSURE_TRUE(htmlEditor, NS_ERROR_INVALID_ARG);
nsAutoString outStateString;
nsCOMPtr<nsIAtom> fontAtom = do_GetAtom("font");
bool firstHas, anyHas, allHas;
nsresult rv = htmlEditor->GetInlinePropertyWithAttrValue(fontAtom,
NS_LITERAL_STRING("size"),
EmptyString(),
&firstHas, &anyHas, &allHas,
outStateString);
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString tOutStateString;
tOutStateString.AssignWithConversion(outStateString);
aParams->SetBooleanValue(STATE_MIXED, anyHas && !allHas);
aParams->SetCStringValue(STATE_ATTRIBUTE, tOutStateString.get());
aParams->SetBooleanValue(STATE_ENABLED, true);
return rv;
}
// acceptable values for "newState" are:
// -2
// -1
// 0
// +1
// +2
// +3
// medium
// normal
nsresult
nsFontSizeStateCommand::SetState(nsIEditor *aEditor, nsString& newState)
{
NS_ASSERTION(aEditor, "Need an editor here");
nsCOMPtr<nsIHTMLEditor> htmlEditor = do_QueryInterface(aEditor);
NS_ENSURE_TRUE(htmlEditor, NS_ERROR_INVALID_ARG);
if (!newState.IsEmpty() &&
!newState.EqualsLiteral("normal") &&
!newState.EqualsLiteral("medium")) {
return htmlEditor->SetInlineProperty(nsGkAtoms::font,
NS_LITERAL_STRING("size"), newState);
}
// remove any existing font size, big or small
nsresult rv = htmlEditor->RemoveInlineProperty(nsGkAtoms::font,
NS_LITERAL_STRING("size"));
NS_ENSURE_SUCCESS(rv, rv);
rv = htmlEditor->RemoveInlineProperty(nsGkAtoms::big, EmptyString());
NS_ENSURE_SUCCESS(rv, rv);
return htmlEditor->RemoveInlineProperty(nsGkAtoms::small, EmptyString());
}
nsFontColorStateCommand::nsFontColorStateCommand()
: nsMultiStateCommand()
{
}
nsresult
nsFontColorStateCommand::GetCurrentState(nsIEditor *aEditor,
nsICommandParams *aParams)
{
NS_ASSERTION(aEditor, "Need an editor here");
nsCOMPtr<nsIHTMLEditor> htmlEditor = do_QueryInterface(aEditor);
NS_ENSURE_TRUE(htmlEditor, NS_ERROR_FAILURE);
bool outMixed;
nsAutoString outStateString;
nsresult rv = htmlEditor->GetFontColorState(&outMixed, outStateString);
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString tOutStateString;
tOutStateString.AssignWithConversion(outStateString);
aParams->SetBooleanValue(STATE_MIXED, outMixed);
aParams->SetCStringValue(STATE_ATTRIBUTE, tOutStateString.get());
return NS_OK;
}
nsresult
nsFontColorStateCommand::SetState(nsIEditor *aEditor, nsString& newState)
{
NS_ASSERTION(aEditor, "Need an editor here");
nsCOMPtr<nsIHTMLEditor> htmlEditor = do_QueryInterface(aEditor);
NS_ENSURE_TRUE(htmlEditor, NS_ERROR_FAILURE);
if (newState.IsEmpty() || newState.EqualsLiteral("normal")) {
return htmlEditor->RemoveInlineProperty(nsGkAtoms::font,
NS_LITERAL_STRING("color"));
}
return htmlEditor->SetInlineProperty(nsGkAtoms::font,
NS_LITERAL_STRING("color"), newState);
}
nsHighlightColorStateCommand::nsHighlightColorStateCommand()
: nsMultiStateCommand()
{
}
nsresult
nsHighlightColorStateCommand::GetCurrentState(nsIEditor *aEditor,
nsICommandParams *aParams)
{
NS_ASSERTION(aEditor, "Need an editor here");
nsCOMPtr<nsIHTMLEditor> htmlEditor = do_QueryInterface(aEditor);
NS_ENSURE_TRUE(htmlEditor, NS_ERROR_FAILURE);
bool outMixed;
nsAutoString outStateString;
nsresult rv = htmlEditor->GetHighlightColorState(&outMixed, outStateString);
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString tOutStateString;
tOutStateString.AssignWithConversion(outStateString);
aParams->SetBooleanValue(STATE_MIXED, outMixed);
aParams->SetCStringValue(STATE_ATTRIBUTE, tOutStateString.get());
return NS_OK;
}
nsresult
nsHighlightColorStateCommand::SetState(nsIEditor *aEditor, nsString& newState)
{
NS_ASSERTION(aEditor, "Need an editor here");
nsCOMPtr<nsIHTMLEditor> htmlEditor = do_QueryInterface(aEditor);
NS_ENSURE_TRUE(htmlEditor, NS_ERROR_FAILURE);
if (newState.IsEmpty() || newState.EqualsLiteral("normal")) {
return htmlEditor->RemoveInlineProperty(nsGkAtoms::font,
NS_LITERAL_STRING("bgcolor"));
}
return htmlEditor->SetInlineProperty(nsGkAtoms::font,
NS_LITERAL_STRING("bgcolor"),
newState);
}
NS_IMETHODIMP
nsHighlightColorStateCommand::IsCommandEnabled(const char * aCommandName,
nsISupports *refCon,
bool *outCmdEnabled)
{
nsCOMPtr<nsIEditor> editor = do_QueryInterface(refCon);
if (editor)
return editor->GetIsSelectionEditable(outCmdEnabled);
*outCmdEnabled = false;
return NS_OK;
}
nsBackgroundColorStateCommand::nsBackgroundColorStateCommand()
: nsMultiStateCommand()
{
}
nsresult
nsBackgroundColorStateCommand::GetCurrentState(nsIEditor *aEditor,
nsICommandParams *aParams)
{
NS_ASSERTION(aEditor, "Need an editor here");
nsCOMPtr<nsIHTMLEditor> htmlEditor = do_QueryInterface(aEditor);
NS_ENSURE_TRUE(htmlEditor, NS_ERROR_FAILURE);
bool outMixed;
nsAutoString outStateString;
nsresult rv = htmlEditor->GetBackgroundColorState(&outMixed, outStateString);
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString tOutStateString;
tOutStateString.AssignWithConversion(outStateString);
aParams->SetBooleanValue(STATE_MIXED, outMixed);
aParams->SetCStringValue(STATE_ATTRIBUTE, tOutStateString.get());
return NS_OK;
}
nsresult
nsBackgroundColorStateCommand::SetState(nsIEditor *aEditor, nsString& newState)
{
NS_ASSERTION(aEditor, "Need an editor here");
nsCOMPtr<nsIHTMLEditor> htmlEditor = do_QueryInterface(aEditor);
NS_ENSURE_TRUE(htmlEditor, NS_ERROR_FAILURE);
return htmlEditor->SetBackgroundColor(newState);
}
nsAlignCommand::nsAlignCommand()
: nsMultiStateCommand()
{
}
nsresult
nsAlignCommand::GetCurrentState(nsIEditor *aEditor, nsICommandParams *aParams)
{
NS_ASSERTION(aEditor, "Need an editor here");
nsCOMPtr<nsIHTMLEditor> htmlEditor = do_QueryInterface(aEditor);
NS_ENSURE_TRUE(htmlEditor, NS_ERROR_FAILURE);
nsIHTMLEditor::EAlignment firstAlign;
bool outMixed;
nsresult rv = htmlEditor->GetAlignment(&outMixed, &firstAlign);
NS_ENSURE_SUCCESS(rv, rv);
nsAutoString outStateString;
switch (firstAlign)
{
default:
case nsIHTMLEditor::eLeft:
outStateString.AssignLiteral("left");
break;
case nsIHTMLEditor::eCenter:
outStateString.AssignLiteral("center");
break;
case nsIHTMLEditor::eRight:
outStateString.AssignLiteral("right");
break;
case nsIHTMLEditor::eJustify:
outStateString.AssignLiteral("justify");
break;
}
nsAutoCString tOutStateString;
tOutStateString.AssignWithConversion(outStateString);
aParams->SetBooleanValue(STATE_MIXED,outMixed);
aParams->SetCStringValue(STATE_ATTRIBUTE, tOutStateString.get());
return NS_OK;
}
nsresult
nsAlignCommand::SetState(nsIEditor *aEditor, nsString& newState)
{
NS_ASSERTION(aEditor, "Need an editor here");
nsCOMPtr<nsIHTMLEditor> htmlEditor = do_QueryInterface(aEditor);
NS_ENSURE_TRUE(htmlEditor, NS_ERROR_FAILURE);
return htmlEditor->Align(newState);
}
nsAbsolutePositioningCommand::nsAbsolutePositioningCommand()
: nsBaseStateUpdatingCommand(nsGkAtoms::_empty)
{
}
NS_IMETHODIMP
nsAbsolutePositioningCommand::IsCommandEnabled(const char * aCommandName,
nsISupports *aCommandRefCon,
bool *outCmdEnabled)
{
nsCOMPtr<nsIEditor> editor = do_QueryInterface(aCommandRefCon);
nsCOMPtr<nsIHTMLAbsPosEditor> htmlEditor = do_QueryInterface(aCommandRefCon);
if (htmlEditor)
{
bool isEditable = false;
nsresult rv = editor->GetIsSelectionEditable(&isEditable);
NS_ENSURE_SUCCESS(rv, rv);
if (isEditable)
return htmlEditor->GetAbsolutePositioningEnabled(outCmdEnabled);
}
*outCmdEnabled = false;
return NS_OK;
}
nsresult
nsAbsolutePositioningCommand::GetCurrentState(nsIEditor *aEditor, nsICommandParams *aParams)
{
NS_ASSERTION(aEditor, "Need an editor here");
nsCOMPtr<nsIHTMLAbsPosEditor> htmlEditor = do_QueryInterface(aEditor);
NS_ENSURE_TRUE(htmlEditor, NS_ERROR_FAILURE);
bool isEnabled;
htmlEditor->GetAbsolutePositioningEnabled(&isEnabled);
if (!isEnabled) {
aParams->SetBooleanValue(STATE_MIXED,false);
aParams->SetCStringValue(STATE_ATTRIBUTE, "");
return NS_OK;
}
nsCOMPtr<nsIDOMElement> elt;
nsresult rv = htmlEditor->GetAbsolutelyPositionedSelectionContainer(getter_AddRefs(elt));
NS_ENSURE_SUCCESS(rv, rv);
nsAutoString outStateString;
if (elt)
outStateString.AssignLiteral("absolute");
aParams->SetBooleanValue(STATE_MIXED,false);
aParams->SetCStringValue(STATE_ATTRIBUTE, NS_ConvertUTF16toUTF8(outStateString).get());
return NS_OK;
}
nsresult
nsAbsolutePositioningCommand::ToggleState(nsIEditor *aEditor)
{
NS_ASSERTION(aEditor, "Need an editor here");
nsCOMPtr<nsIHTMLAbsPosEditor> htmlEditor = do_QueryInterface(aEditor);
NS_ENSURE_TRUE(htmlEditor, NS_ERROR_FAILURE);
nsCOMPtr<nsIDOMElement> elt;
nsresult rv = htmlEditor->GetAbsolutelyPositionedSelectionContainer(getter_AddRefs(elt));
NS_ENSURE_SUCCESS(rv, rv);
return htmlEditor->AbsolutePositionSelection(!elt);
}
NS_IMETHODIMP
nsDecreaseZIndexCommand::IsCommandEnabled(const char * aCommandName,
nsISupports *refCon,
bool *outCmdEnabled)
{
nsCOMPtr<nsIHTMLAbsPosEditor> htmlEditor = do_QueryInterface(refCon);
NS_ENSURE_TRUE(htmlEditor, NS_ERROR_FAILURE);
htmlEditor->GetAbsolutePositioningEnabled(outCmdEnabled);
if (!(*outCmdEnabled))
return NS_OK;
nsCOMPtr<nsIDOMElement> positionedElement;
htmlEditor->GetPositionedElement(getter_AddRefs(positionedElement));
*outCmdEnabled = false;
if (positionedElement) {
int32_t z;
nsresult res = htmlEditor->GetElementZIndex(positionedElement, &z);
NS_ENSURE_SUCCESS(res, res);
*outCmdEnabled = (z > 0);
}
return NS_OK;
}
NS_IMETHODIMP
nsDecreaseZIndexCommand::DoCommand(const char *aCommandName,
nsISupports *refCon)
{
nsCOMPtr<nsIHTMLAbsPosEditor> htmlEditor = do_QueryInterface(refCon);
NS_ENSURE_TRUE(htmlEditor, NS_ERROR_NOT_IMPLEMENTED);
return htmlEditor->RelativeChangeZIndex(-1);
}
NS_IMETHODIMP
nsDecreaseZIndexCommand::DoCommandParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
return DoCommand(aCommandName, refCon);
}
NS_IMETHODIMP
nsDecreaseZIndexCommand::GetCommandStateParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
NS_ENSURE_ARG_POINTER(aParams);
bool enabled = false;
nsresult rv = IsCommandEnabled(aCommandName, refCon, &enabled);
NS_ENSURE_SUCCESS(rv, rv);
return aParams->SetBooleanValue(STATE_ENABLED, enabled);
}
NS_IMETHODIMP
nsIncreaseZIndexCommand::IsCommandEnabled(const char * aCommandName,
nsISupports *refCon,
bool *outCmdEnabled)
{
nsCOMPtr<nsIHTMLAbsPosEditor> htmlEditor = do_QueryInterface(refCon);
NS_ENSURE_TRUE(htmlEditor, NS_ERROR_FAILURE);
htmlEditor->GetAbsolutePositioningEnabled(outCmdEnabled);
if (!(*outCmdEnabled))
return NS_OK;
nsCOMPtr<nsIDOMElement> positionedElement;
htmlEditor->GetPositionedElement(getter_AddRefs(positionedElement));
*outCmdEnabled = (nullptr != positionedElement);
return NS_OK;
}
NS_IMETHODIMP
nsIncreaseZIndexCommand::DoCommand(const char *aCommandName,
nsISupports *refCon)
{
nsCOMPtr<nsIHTMLAbsPosEditor> htmlEditor = do_QueryInterface(refCon);
NS_ENSURE_TRUE(htmlEditor, NS_ERROR_NOT_IMPLEMENTED);
return htmlEditor->RelativeChangeZIndex(1);
}
NS_IMETHODIMP
nsIncreaseZIndexCommand::DoCommandParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
return DoCommand(aCommandName, refCon);
}
NS_IMETHODIMP
nsIncreaseZIndexCommand::GetCommandStateParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
NS_ENSURE_ARG_POINTER(aParams);
bool enabled = false;
nsresult rv = IsCommandEnabled(aCommandName, refCon, &enabled);
NS_ENSURE_SUCCESS(rv, rv);
return aParams->SetBooleanValue(STATE_ENABLED, enabled);
}
NS_IMETHODIMP
nsRemoveStylesCommand::IsCommandEnabled(const char * aCommandName,
nsISupports *refCon,
bool *outCmdEnabled)
{
nsCOMPtr<nsIEditor> editor = do_QueryInterface(refCon);
// test if we have any styles?
if (editor)
return editor->GetIsSelectionEditable(outCmdEnabled);
*outCmdEnabled = false;
return NS_OK;
}
NS_IMETHODIMP
nsRemoveStylesCommand::DoCommand(const char *aCommandName,
nsISupports *refCon)
{
nsCOMPtr<nsIHTMLEditor> editor = do_QueryInterface(refCon);
nsresult rv = NS_OK;
if (editor)
{
rv = editor->RemoveAllInlineProperties();
}
return rv;
}
NS_IMETHODIMP
nsRemoveStylesCommand::DoCommandParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
return DoCommand(aCommandName, refCon);
}
NS_IMETHODIMP
nsRemoveStylesCommand::GetCommandStateParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
bool outCmdEnabled = false;
IsCommandEnabled(aCommandName, refCon, &outCmdEnabled);
return aParams->SetBooleanValue(STATE_ENABLED,outCmdEnabled);
}
NS_IMETHODIMP
nsIncreaseFontSizeCommand::IsCommandEnabled(const char * aCommandName,
nsISupports *refCon,
bool *outCmdEnabled)
{
nsCOMPtr<nsIEditor> editor = do_QueryInterface(refCon);
// test if we are at max size?
if (editor)
return editor->GetIsSelectionEditable(outCmdEnabled);
*outCmdEnabled = false;
return NS_OK;
}
NS_IMETHODIMP
nsIncreaseFontSizeCommand::DoCommand(const char *aCommandName,
nsISupports *refCon)
{
nsCOMPtr<nsIHTMLEditor> editor = do_QueryInterface(refCon);
nsresult rv = NS_OK;
if (editor)
{
rv = editor->IncreaseFontSize();
}
return rv;
}
NS_IMETHODIMP
nsIncreaseFontSizeCommand::DoCommandParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
return DoCommand(aCommandName, refCon);
}
NS_IMETHODIMP
nsIncreaseFontSizeCommand::GetCommandStateParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
bool outCmdEnabled = false;
IsCommandEnabled(aCommandName, refCon, &outCmdEnabled);
return aParams->SetBooleanValue(STATE_ENABLED,outCmdEnabled);
}
NS_IMETHODIMP
nsDecreaseFontSizeCommand::IsCommandEnabled(const char * aCommandName,
nsISupports *refCon,
bool *outCmdEnabled)
{
nsCOMPtr<nsIEditor> editor = do_QueryInterface(refCon);
// test if we are at min size?
if (editor)
return editor->GetIsSelectionEditable(outCmdEnabled);
*outCmdEnabled = false;
return NS_OK;
}
NS_IMETHODIMP
nsDecreaseFontSizeCommand::DoCommand(const char *aCommandName,
nsISupports *refCon)
{
nsCOMPtr<nsIHTMLEditor> editor = do_QueryInterface(refCon);
nsresult rv = NS_OK;
if (editor)
{
rv = editor->DecreaseFontSize();
}
return rv;
}
NS_IMETHODIMP
nsDecreaseFontSizeCommand::DoCommandParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
return DoCommand(aCommandName, refCon);
}
NS_IMETHODIMP
nsDecreaseFontSizeCommand::GetCommandStateParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
bool outCmdEnabled = false;
IsCommandEnabled(aCommandName, refCon, &outCmdEnabled);
return aParams->SetBooleanValue(STATE_ENABLED,outCmdEnabled);
}
NS_IMETHODIMP
nsInsertHTMLCommand::IsCommandEnabled(const char * aCommandName,
nsISupports *refCon,
bool *outCmdEnabled)
{
NS_ENSURE_ARG_POINTER(outCmdEnabled);
nsCOMPtr<nsIEditor> editor = do_QueryInterface(refCon);
if (editor)
return editor->GetIsSelectionEditable(outCmdEnabled);
*outCmdEnabled = false;
return NS_OK;
}
NS_IMETHODIMP
nsInsertHTMLCommand::DoCommand(const char *aCommandName, nsISupports *refCon)
{
// If nsInsertHTMLCommand is called with no parameters, it was probably called with
// an empty string parameter ''. In this case, it should act the same as the delete command
NS_ENSURE_ARG_POINTER(refCon);
nsCOMPtr<nsIHTMLEditor> editor = do_QueryInterface(refCon);
NS_ENSURE_TRUE(editor, NS_ERROR_NOT_IMPLEMENTED);
nsString html = EmptyString();
return editor->InsertHTML(html);
}
NS_IMETHODIMP
nsInsertHTMLCommand::DoCommandParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
NS_ENSURE_ARG_POINTER(aParams);
NS_ENSURE_ARG_POINTER(refCon);
nsCOMPtr<nsIHTMLEditor> editor = do_QueryInterface(refCon);
NS_ENSURE_TRUE(editor, NS_ERROR_NOT_IMPLEMENTED);
// Get HTML source string to insert from command params
nsAutoString html;
nsresult rv = aParams->GetStringValue(STATE_DATA, html);
NS_ENSURE_SUCCESS(rv, rv);
return editor->InsertHTML(html);
}
NS_IMETHODIMP
nsInsertHTMLCommand::GetCommandStateParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
NS_ENSURE_ARG_POINTER(aParams);
NS_ENSURE_ARG_POINTER(refCon);
bool outCmdEnabled = false;
IsCommandEnabled(aCommandName, refCon, &outCmdEnabled);
return aParams->SetBooleanValue(STATE_ENABLED, outCmdEnabled);
}
NS_IMPL_ISUPPORTS_INHERITED0(nsInsertTagCommand, nsBaseComposerCommand)
nsInsertTagCommand::nsInsertTagCommand(nsIAtom* aTagName)
: nsBaseComposerCommand()
, mTagName(aTagName)
{
MOZ_ASSERT(mTagName);
}
nsInsertTagCommand::~nsInsertTagCommand()
{
}
NS_IMETHODIMP
nsInsertTagCommand::IsCommandEnabled(const char * aCommandName,
nsISupports *refCon,
bool *outCmdEnabled)
{
NS_ENSURE_ARG_POINTER(outCmdEnabled);
nsCOMPtr<nsIEditor> editor = do_QueryInterface(refCon);
if (editor)
return editor->GetIsSelectionEditable(outCmdEnabled);
*outCmdEnabled = false;
return NS_OK;
}
// corresponding STATE_ATTRIBUTE is: src (img) and href (a)
NS_IMETHODIMP
nsInsertTagCommand::DoCommand(const char *aCmdName, nsISupports *refCon)
{
NS_ENSURE_TRUE(mTagName == nsGkAtoms::hr, NS_ERROR_NOT_IMPLEMENTED);
nsCOMPtr<nsIHTMLEditor> editor = do_QueryInterface(refCon);
NS_ENSURE_TRUE(editor, NS_ERROR_NOT_IMPLEMENTED);
nsCOMPtr<nsIDOMElement> domElem;
nsresult rv = editor->CreateElementWithDefaults(
nsDependentAtomString(mTagName), getter_AddRefs(domElem));
NS_ENSURE_SUCCESS(rv, rv);
return editor->InsertElementAtSelection(domElem, true);
}
NS_IMETHODIMP
nsInsertTagCommand::DoCommandParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
NS_ENSURE_ARG_POINTER(refCon);
// inserting an hr shouldn't have an parameters, just call DoCommand for that
if (mTagName == nsGkAtoms::hr) {
return DoCommand(aCommandName, refCon);
}
NS_ENSURE_ARG_POINTER(aParams);
nsCOMPtr<nsIHTMLEditor> editor = do_QueryInterface(refCon);
NS_ENSURE_TRUE(editor, NS_ERROR_NOT_IMPLEMENTED);
// do we have an href to use for creating link?
nsXPIDLCString s;
nsresult rv = aParams->GetCStringValue(STATE_ATTRIBUTE, getter_Copies(s));
NS_ENSURE_SUCCESS(rv, rv);
nsAutoString attrib; attrib.AssignWithConversion(s);
if (attrib.IsEmpty())
return NS_ERROR_INVALID_ARG;
// filter out tags we don't know how to insert
nsAutoString attributeType;
if (mTagName == nsGkAtoms::a) {
attributeType.AssignLiteral("href");
} else if (mTagName == nsGkAtoms::img) {
attributeType.AssignLiteral("src");
} else {
return NS_ERROR_NOT_IMPLEMENTED;
}
nsCOMPtr<nsIDOMElement> domElem;
rv = editor->CreateElementWithDefaults(nsDependentAtomString(mTagName),
getter_AddRefs(domElem));
NS_ENSURE_SUCCESS(rv, rv);
rv = domElem->SetAttribute(attributeType, attrib);
NS_ENSURE_SUCCESS(rv, rv);
// do actual insertion
if (mTagName == nsGkAtoms::a)
return editor->InsertLinkAroundSelection(domElem);
return editor->InsertElementAtSelection(domElem, true);
}
NS_IMETHODIMP
nsInsertTagCommand::GetCommandStateParams(const char *aCommandName,
nsICommandParams *aParams,
nsISupports *refCon)
{
NS_ENSURE_ARG_POINTER(aParams);
NS_ENSURE_ARG_POINTER(refCon);
bool outCmdEnabled = false;
IsCommandEnabled(aCommandName, refCon, &outCmdEnabled);
return aParams->SetBooleanValue(STATE_ENABLED, outCmdEnabled);
}
/****************************/
//HELPER METHODS
/****************************/
nsresult
GetListState(nsIHTMLEditor* aEditor, bool* aMixed, nsAString& aLocalName)
{
MOZ_ASSERT(aEditor);
MOZ_ASSERT(aMixed);
*aMixed = false;
aLocalName.Truncate();
bool bOL, bUL, bDL;
nsresult rv = aEditor->GetListState(aMixed, &bOL, &bUL, &bDL);
NS_ENSURE_SUCCESS(rv, rv);
if (*aMixed) {
return NS_OK;
}
if (bOL) {
aLocalName.AssignLiteral("ol");
} else if (bUL) {
aLocalName.AssignLiteral("ul");
} else if (bDL) {
aLocalName.AssignLiteral("dl");
}
return NS_OK;
}
nsresult
RemoveOneProperty(nsIHTMLEditor* aEditor, const nsAString& aProp)
{
MOZ_ASSERT(aEditor);
/// XXX Hack alert! Look in nsIEditProperty.h for this
nsCOMPtr<nsIAtom> styleAtom = do_GetAtom(aProp);
NS_ENSURE_TRUE(styleAtom, NS_ERROR_OUT_OF_MEMORY);
return aEditor->RemoveInlineProperty(styleAtom, EmptyString());
}
// the name of the attribute here should be the contents of the appropriate
// tag, e.g. 'b' for bold, 'i' for italics.
nsresult
RemoveTextProperty(nsIHTMLEditor* aEditor, const nsAString& aProp)
{
MOZ_ASSERT(aEditor);
if (aProp.LowerCaseEqualsLiteral("all")) {
return aEditor->RemoveAllInlineProperties();
}
return RemoveOneProperty(aEditor, aProp);
}
// the name of the attribute here should be the contents of the appropriate
// tag, e.g. 'b' for bold, 'i' for italics.
nsresult
SetTextProperty(nsIHTMLEditor* aEditor, const nsAString& aProp)
{
MOZ_ASSERT(aEditor);
/// XXX Hack alert! Look in nsIEditProperty.h for this
nsCOMPtr<nsIAtom> styleAtom = do_GetAtom(aProp);
NS_ENSURE_TRUE(styleAtom, NS_ERROR_OUT_OF_MEMORY);
return aEditor->SetInlineProperty(styleAtom, EmptyString(), EmptyString());
}