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path: root/embed/mozilla/EphyPromptService.cpp
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/*
 *  Copyright (C) 2005, 2006 Christian Persch
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU Lesser General Public License as published by
 *  the Free Software Foundation; either version 2.1, or (at your option)
 *  any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 *  $Id$
 */

#include "mozilla-config.h"
#include "config.h"

#include <glib.h>
#include <glib-object.h>
#include <glib/gi18n.h>
#include <gtk/gtk.h>

#include <nsStringAPI.h>

#include <nsCOMPtr.h>
#include <nsIDOMWindow.h>
#include <nsServiceManagerUtils.h>

#include "ephy-embed-shell.h"
#include "ephy-gui.h"
#include "ephy-debug.h"

#include "AutoJSContextStack.h"
#include "AutoWindowModalState.h"
#include "EphyUtils.h"

#include "EphyPromptService.h"

#define TIMEOUT         1000 /* ms */
#define TIMEOUT_DATA_KEY    "timeout"

#define MAX_MESSAGE_LENGTH  512
#define MAX_TITLE_LENGTH    256
#define MAX_BUTTON_TEXT_LENGTH  128

enum
{
    RESPONSE_ABORT_SCRIPT = 42
};

class Prompter
{
public:
    Prompter (const char*, nsIDOMWindow*, const PRUnichar*, const PRUnichar*);
    ~Prompter();

    void AddStockButton (const char*, int);
    void AddButtonWithFlags (PRInt32, PRUint32, const PRUnichar*, PRUint32);
    void AddButtonsWithFlags (PRUint32, const PRUnichar*, const PRUnichar*, const PRUnichar*);
    void AddCheckbox (const PRUnichar*, PRBool*);
    void GetCheckboxState (PRBool *);
    void AddEntry (const char *, const PRUnichar *, PRBool);
    void GetText (PRUint32, PRUnichar **);
    void AddSelect (PRUint32, const PRUnichar **, PRInt32);
    void GetSelected (PRInt32*);

    PRInt32 Run (PRBool * = nsnull);
    void Show ();

    PRBool IsCalledFromScript ();
    void PerformScriptAbortion ();

    char *ConvertAndTruncateString (const PRUnichar *, PRInt32 = -1);
    char* ConvertAndEscapeButtonText (const PRUnichar *, PRInt32 = -1);

private:
    nsCOMPtr<nsIDOMWindow> mWindow;
    GtkDialog *mDialog;
    GtkWidget *mVBox;
    GtkWidget *mCheck;
    GtkSizeGroup *mSizeGroup;
    GtkWidget *mEntries[2];
    GtkWidget *mCombo;
    PRInt32 mNumButtons;
    PRInt32 mNumEntries;
    PRInt32 mDefaultResponse;
    PRInt32 mUnaffirmativeResponse;
    PRInt32 mResponse;
    PRBool mSuccess;
    PRBool mDelay;
};

Prompter::Prompter (const char *aStock,
            nsIDOMWindow *aParent,
            const PRUnichar *aTitle,
            const PRUnichar *aText)
    : mWindow (aParent)
    , mDialog(nsnull)
    , mVBox(nsnull)
    , mCheck(nsnull)
    , mSizeGroup(nsnull)
    , mCombo(nsnull)
    , mNumButtons(0)
    , mNumEntries(0)
    , mDefaultResponse(GTK_RESPONSE_ACCEPT)
    , mUnaffirmativeResponse(0)
    , mResponse(GTK_RESPONSE_CANCEL)
    , mSuccess(PR_FALSE)
    , mDelay(PR_FALSE)
{
    GtkWidget *parent, *hbox, *label, *image;

    g_object_ref (ephy_embed_shell_get_default ());

    mEntries[0] = mEntries[1] = nsnull;

    mDialog = GTK_DIALOG (gtk_dialog_new ());
    g_object_ref_sink (mDialog);

    char *title = NULL;
    if (aTitle)
    {
        title = ConvertAndTruncateString (aTitle, MAX_TITLE_LENGTH);
    }

    gtk_window_set_title (GTK_WINDOW (mDialog), title ? title : "");
    g_free (title);

    gtk_window_set_modal (GTK_WINDOW (mDialog), TRUE);

    parent = EphyUtils::FindGtkParent (aParent);
    if (GTK_IS_WINDOW (parent))
    {
        gtk_window_set_transient_for (GTK_WINDOW (mDialog),
                          GTK_WINDOW (parent));

        gtk_window_group_add_window (ephy_gui_ensure_window_group (GTK_WINDOW (parent)),
                         GTK_WINDOW (mDialog));
    }

    gtk_dialog_set_has_separator (mDialog, FALSE);
    gtk_window_set_resizable (GTK_WINDOW (mDialog), FALSE);
    gtk_container_set_border_width (GTK_CONTAINER (mDialog), 5);
    gtk_box_set_spacing (GTK_BOX (mDialog->vbox), 14); /* 2 * 5 + 14 = 24 */
    
    hbox = gtk_hbox_new (FALSE, 12);
    gtk_container_set_border_width (GTK_CONTAINER (hbox), 5);
    gtk_container_add (GTK_CONTAINER (GTK_DIALOG (mDialog)->vbox), hbox);

    image = gtk_image_new_from_stock (aStock, GTK_ICON_SIZE_DIALOG);
    gtk_misc_set_alignment (GTK_MISC (image), 0.5, 0.0);
    gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);

    mVBox = gtk_vbox_new (FALSE, 12);
    gtk_box_pack_start (GTK_BOX (hbox), mVBox, TRUE, TRUE, 0);

    char *text = NULL;
    if (aText)
    {
        text = ConvertAndTruncateString (aText, MAX_MESSAGE_LENGTH);
    }

    label = gtk_label_new (text);
    g_free (text);

    gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
    /* Guard against overlong nonbreakable text (exploit) */
    gtk_label_set_line_wrap_mode (GTK_LABEL (label), PANGO_WRAP_WORD_CHAR);
    gtk_label_set_selectable (GTK_LABEL (label), TRUE);
    gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.0);

    gtk_box_pack_start (GTK_BOX (mVBox), label, FALSE, FALSE, 0);
    gtk_widget_show (label);

    if (IsCalledFromScript ())
    {
        gtk_dialog_add_button (GTK_DIALOG (mDialog),
                       _("_Abort Script"),
                       RESPONSE_ABORT_SCRIPT);
    }

    gtk_widget_show (image);
    gtk_widget_show (mVBox);
    gtk_widget_show (hbox);
}

Prompter::~Prompter ()
{
    if (mSizeGroup)
    {
        g_object_unref (mSizeGroup);
    }

    gtk_widget_destroy (GTK_WIDGET (mDialog));
    g_object_unref (mDialog);

    g_object_unref (ephy_embed_shell_get_default ());
}

void
Prompter::AddStockButton (const char *aStock,
              int aResponse)
{
    gtk_dialog_add_button (GTK_DIALOG (mDialog),
                   aStock, aResponse);
    ++mNumButtons;
}

void
Prompter::AddButtonWithFlags (PRInt32 aNum,
                  PRUint32 aFlags,
                  const PRUnichar *aText,
                  PRUint32 aDefault)
{
    if (aFlags == 0) return;

    const char *label = NULL;
    char *freeme = NULL;
    gboolean isAffirmative = FALSE;
    switch (aFlags)
    {
        case nsIPromptService::BUTTON_TITLE_OK:
            label = GTK_STOCK_OK;
            isAffirmative = TRUE;
            break;

        case nsIPromptService::BUTTON_TITLE_CANCEL:
            label = GTK_STOCK_CANCEL;
            break;

        case nsIPromptService::BUTTON_TITLE_YES:
            label = GTK_STOCK_YES;
            isAffirmative = TRUE;
            break;

        case nsIPromptService::BUTTON_TITLE_NO:
            label = GTK_STOCK_NO;
            break;

        case nsIPromptService::BUTTON_TITLE_SAVE:
            label = GTK_STOCK_SAVE;
            isAffirmative = TRUE;
            break;

        case nsIPromptService::BUTTON_TITLE_DONT_SAVE:
            label = _("Don't Save");
            break;

        case nsIPromptService::BUTTON_TITLE_REVERT:
            label = GTK_STOCK_REVERT_TO_SAVED;
            break;

        case nsIPromptService::BUTTON_TITLE_IS_STRING:
        default:
            label = freeme = ConvertAndEscapeButtonText (aText, MAX_BUTTON_TEXT_LENGTH);
            /* We can't tell, so assume it's affirmative */
            isAffirmative = TRUE;
            break;
    }

    if (label == NULL) return;

    gtk_dialog_add_button (mDialog, label, aNum);
    ++mNumButtons;

    if (isAffirmative && mDelay)
    {
        gtk_dialog_set_response_sensitive (mDialog, aNum, FALSE);
    }

    if (!isAffirmative)
    {
        mUnaffirmativeResponse = aNum;
    }

    if (aDefault)
    {
        mDefaultResponse = aNum;
    }

    g_free (freeme);
}

void
Prompter::AddButtonsWithFlags (PRUint32 aFlags,
                   const PRUnichar *aText0,
                   const PRUnichar *aText1,
                   const PRUnichar *aText2)
{
    mDelay = (aFlags & nsIPromptService::BUTTON_DELAY_ENABLE) != 0;
    mDefaultResponse = -1;

    /* Reverse the order, on the assumption that what we passed is the
     * 'windows' button order, and we want HIG order.
     */
    AddButtonWithFlags (2, ((aFlags / nsIPromptService::BUTTON_POS_2) & 0xff), aText2,
                aFlags & nsIPromptService::BUTTON_POS_2_DEFAULT);
    AddButtonWithFlags (1, ((aFlags / nsIPromptService::BUTTON_POS_1) & 0xff), aText1,
                aFlags & nsIPromptService::BUTTON_POS_1_DEFAULT);
    AddButtonWithFlags (0, ((aFlags / nsIPromptService::BUTTON_POS_0) & 0xff), aText0,
                aFlags & nsIPromptService::BUTTON_POS_0_DEFAULT);

    /* If no default was set, use the 'rightmost' unaffirmative response.
     * This happens with the suite's password manager prompt.
     */
    if (mDefaultResponse == -1)
    {
        mDefaultResponse = mUnaffirmativeResponse;
    }
}

void
Prompter::AddCheckbox (const PRUnichar *aText,
               PRBool *aState)
{
    if (!aState || !aText) return;

    char *label = ConvertAndEscapeButtonText (aText, 2 * MAX_BUTTON_TEXT_LENGTH);
    mCheck = gtk_check_button_new_with_mnemonic (label);
    g_free (label);

    gtk_label_set_line_wrap (GTK_LABEL (GTK_BIN (mCheck)->child), TRUE);
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (mCheck), *aState);
    gtk_box_pack_start (GTK_BOX (mVBox), mCheck, FALSE, FALSE, 0);
    gtk_widget_show (mCheck);
}

void
Prompter::GetCheckboxState (PRBool *aState)
{
    if (!aState || !mCheck) return;
        
    *aState = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (mCheck));
}

void
Prompter::AddEntry (const char *aLabel,
            const PRUnichar *aValue,
            PRBool aIsPassword)
{
    if (!mSizeGroup)
    {
        mSizeGroup = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
    }

    GtkWidget *hbox = gtk_hbox_new (FALSE, 12);
    gtk_box_pack_start (GTK_BOX (mVBox), hbox, FALSE, FALSE, 0);

    GtkWidget *label = nsnull;
    if (aLabel)
    {
        label = gtk_label_new_with_mnemonic (aLabel);
        gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
        gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
        gtk_size_group_add_widget (mSizeGroup, label);
    }
       
    GtkWidget *entry = mEntries[mNumEntries++] = gtk_entry_new ();
    gtk_entry_set_visibility (GTK_ENTRY (entry), !aIsPassword);
    gtk_entry_set_activates_default(GTK_ENTRY (entry), TRUE);

    if (aValue)
    {
        nsCString cValue;
        NS_UTF16ToCString (nsDependentString(aValue),
                   NS_CSTRING_ENCODING_UTF8, cValue);

        gtk_entry_set_text (GTK_ENTRY (entry), cValue.get());
    }

    if (label)
    {
        gtk_label_set_mnemonic_widget (GTK_LABEL (label), entry);
    }

    gtk_box_pack_start (GTK_BOX (hbox), entry, TRUE, TRUE, 0);
    gtk_widget_show_all (hbox);
}

void
Prompter::GetText (PRUint32 aNum,
           PRUnichar **aValue)
{
    if (!aValue || !mEntries[aNum]) return;

    const char *text = gtk_entry_get_text (GTK_ENTRY (mEntries[aNum]));
    if (!text) return;

    nsString value;
    NS_CStringToUTF16 (nsDependentCString (text),
               NS_CSTRING_ENCODING_UTF8, value);

    *aValue = NS_StringCloneData (value);
}

void
Prompter::AddSelect (PRUint32 aCount,
             const PRUnichar **aList,
             PRInt32 aDefault)
{
    mCombo = gtk_combo_box_new_text ();

    for (PRUint32 i = 0; i < aCount; i++)
    {
        /* FIXME: use "" instead in this case? */
        if (!aList[i] || !aList[i][0]) continue;

        nsCString cData;
        NS_UTF16ToCString (nsDependentString(aList[i]), NS_CSTRING_ENCODING_UTF8, cData);

        gtk_combo_box_append_text (GTK_COMBO_BOX (mCombo), cData.get());
    }

    gtk_combo_box_set_active (GTK_COMBO_BOX (mCombo), aDefault);

    gtk_box_pack_start (GTK_BOX (mVBox), mCombo, FALSE, FALSE, 0);
    gtk_widget_show (mCombo);
}

void
Prompter::GetSelected (PRInt32 *aSelected)
{
    if (!aSelected || !mCombo) return;

    *aSelected = gtk_combo_box_get_active (GTK_COMBO_BOX (mCombo));
}

static gboolean
EnableResponse (GtkDialog *aDialog)
{
    g_object_steal_data (G_OBJECT (aDialog), TIMEOUT_DATA_KEY);

    gtk_dialog_set_response_sensitive (aDialog, 0, TRUE);
    gtk_dialog_set_response_sensitive (aDialog, 1, TRUE);
    gtk_dialog_set_response_sensitive (aDialog, 2, TRUE);

    return FALSE;
}

static void
RemoveTimeout (gpointer idptr)
{
    guint timeout = GPOINTER_TO_UINT (idptr);

    g_return_if_fail (timeout != 0);

    g_source_remove (timeout);
}

PRInt32
Prompter::Run (PRBool *aSuccess)
{
#if 0
    AutoEventQueue queue;
    if (NS_FAILED (queue.Init()))
    {
        if (aSuccess)
        {
            *aSuccess = PR_FALSE;
        }
        mSuccess = PR_FALSE;

        return GTK_RESPONSE_CANCEL;
    }
#endif

    nsresult rv;
    AutoJSContextStack stack;
    rv = stack.Init ();
    if (NS_FAILED (rv)) return rv;

    AutoWindowModalState modalState (mWindow);

    if (mDelay)
    {
        guint timeout = g_timeout_add (TIMEOUT,
                           (GSourceFunc) EnableResponse,
                           mDialog);
        g_object_set_data_full (G_OBJECT (mDialog), TIMEOUT_DATA_KEY,
                    GUINT_TO_POINTER (timeout),
                    (GDestroyNotify) RemoveTimeout);
    }

    gtk_dialog_set_default_response (GTK_DIALOG (mDialog), mDefaultResponse);

    GtkWidget *widget = GTK_WIDGET (mDialog);
    gtk_widget_show (widget);
    mResponse = gtk_dialog_run (mDialog);
    gtk_widget_hide (widget);

    g_object_set_data (G_OBJECT (mDialog), TIMEOUT_DATA_KEY, NULL);

    mSuccess = (GTK_RESPONSE_ACCEPT == mResponse);
    if (aSuccess)
    {
        *aSuccess = mSuccess;
    }

    if (mResponse == RESPONSE_ABORT_SCRIPT)
    {
        PerformScriptAbortion ();
    }

    return mResponse;
}

static void
DeletePrompter (gpointer aPromptPtr,
            GObject *aZombie)
{
    Prompter *prompt = NS_STATIC_CAST (Prompter*, aPromptPtr);

    delete prompt;
}

void
Prompter::Show ()
{
    /* We don't need it anymore */
    mWindow = nsnull;

    gtk_window_set_modal (GTK_WINDOW (mDialog), FALSE);

    g_signal_connect (mDialog, "response",
              G_CALLBACK (gtk_widget_destroy), NULL);
    g_object_weak_ref (G_OBJECT (mDialog),
               (GWeakNotify) DeletePrompter,
               NS_STATIC_CAST (gpointer, this));

    gtk_widget_show (GTK_WIDGET (mDialog));
}

PRBool
Prompter::IsCalledFromScript()
{
#if 0
    nsCOMPtr<nsIXPConnect> xpconnect (do_GetService (nsIXPConnect::GetCID()));
    NS_ENSURE_TRUE (xpconnect, PR_FALSE);

    nsresult rv;
    nsCOMPtr<nsIXPCNativeCallContext> ncc;
    rv = xpconnect->GetCurrentNativeCallContext (getter_AddRefs (ncc));
    NS_ENSURE_SUCCESS (rv, PR_FALSE);

    if (!ncc) return PR_FALSE;

    JSContext *cx = nsnull;
    rv = ncc->GetJSContext (&cx);
    g_print ("GetJSContext rv=%x, cx=%p\n", rv, cx);

    NS_ENSURE_SUCCESS (rv, PR_FALSE);

    return cx != nsnull;
#endif
    return PR_FALSE;
}

void
Prompter::PerformScriptAbortion()
{
#if 0
    /* FIXME: can we only stop the calling script, not all scripts in the context? */

    nsCOMPtr<nsIXPConnect> xpconnect (do_GetService (nsIXPConnect::GetCID()));
    NS_ENSURE_TRUE (xpconnect, );

    nsresult rv;
    nsCOMPtr<nsIXPCNativeCallContext> ncc;
    rv = xpconnect->GetCurrentNativeCallContext (getter_AddRefs (ncc));
    NS_ENSURE_SUCCESS (rv, );
    NS_ENSURE_TRUE (ncc, );

    JSContext *cx = nsnull;
    rv = ncc->GetJSContext (&cx);
    g_print ("GetJSContext rv=%x, cx=%p\n", rv, cx);
    NS_ENSURE_SUCCESS (rv, );
    NS_ENSURE_TRUE (cx, );

    g_print ("Would now disable scripts\n");
//  MozillaPrivate::SetScriptsEnabled (cx, PR_FALSE, PR_FALSE);
#endif
}

char *
Prompter::ConvertAndTruncateString (const PRUnichar *aText,
                    PRInt32 aMaxLength)
{
    if (aText == nsnull) return NULL;

    /* This depends on the assumption that 
     * typeof(PRUnichar) == typeof (gunichar2) == uint16,
     * which should be pretty safe.
     */
    glong n_read = 0, n_written = 0;
    char *converted = g_utf16_to_utf8 ((gunichar2*) aText, aMaxLength,
                        &n_read, &n_written, NULL);
    /* FIXME loop from the end while !g_unichar_isspace (char)? */

    return converted;
}

char *
Prompter::ConvertAndEscapeButtonText(const PRUnichar *aText,
                     PRInt32 aMaxLength)
{
    char *converted = ConvertAndTruncateString (aText, aMaxLength);
    if (converted == NULL) return NULL;

    char *escaped = (char*) g_malloc (strlen (converted) + 1);
    char *q = escaped;
    for (const char *p = converted; *p; ++p, ++q)
    {
        if (*p == '&')
        {
            if (*(p+1) == '&')
            {
                *q = '&';
                ++p;
            }
            else
            {
                *q = '_';
            }
        }
        else
        {
            *q = *p;
        }
    }

    /* Null termination */
    *q = '\0';

    g_free (converted);

    return escaped;
}

/* FIXME: needs THREADSAFE? */
#if HAVE_NSINONBLOCKINGALERTSERVICE_H
NS_IMPL_ISUPPORTS2 (EphyPromptService,
            nsIPromptService,
            nsINonBlockingAlertService)
#else
NS_IMPL_ISUPPORTS1 (EphyPromptService,
            nsIPromptService)
#endif

EphyPromptService::EphyPromptService()
{
    LOG ("EphyPromptService ctor (%p)", this);
}

EphyPromptService::~EphyPromptService()
{
    LOG ("EphyPromptService dtor (%p)", this);
}

/* nsIPromptService implementation */

/* void alert (in nsIDOMWindow aParent, in wstring aDialogTitle, in wstring aText); */
NS_IMETHODIMP
EphyPromptService::Alert (nsIDOMWindow *aParent,
              const PRUnichar *aDialogTitle,
              const PRUnichar *aText)
{
    Prompter prompt (GTK_STOCK_DIALOG_INFO, aParent, aDialogTitle, aText);
    prompt.AddStockButton (GTK_STOCK_OK, GTK_RESPONSE_ACCEPT);
    prompt.Run ();

    return NS_OK;
}

/* void alertCheck (in nsIDOMWindow aParent, in wstring aDialogTitle, in wstring aText, in wstring aCheckMsg, inout boolean aCheckState); */
NS_IMETHODIMP
EphyPromptService::AlertCheck (nsIDOMWindow *aParent,
                   const PRUnichar *aDialogTitle,
                   const PRUnichar *aText,
                   const PRUnichar *aCheckMsg,
                   PRBool *aCheckState)
{
    Prompter prompt (GTK_STOCK_DIALOG_INFO, aParent, aDialogTitle, aText);
    prompt.AddStockButton (GTK_STOCK_OK, GTK_RESPONSE_ACCEPT);
    prompt.AddCheckbox (aCheckMsg, aCheckState);

    prompt.Run ();
    prompt.GetCheckboxState (aCheckState);

    return NS_OK;
}

/* boolean confirm (in nsIDOMWindow aParent, in wstring aDialogTitle, in wstring aText); */
NS_IMETHODIMP
EphyPromptService::Confirm (nsIDOMWindow *aParent,
                const PRUnichar *aDialogTitle,
                const PRUnichar *aText,
                PRBool *_retval)
{
    NS_ENSURE_ARG_POINTER (_retval);

    Prompter prompt (GTK_STOCK_DIALOG_QUESTION, aParent, aDialogTitle, aText);
    prompt.AddStockButton (GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
    prompt.AddStockButton (GTK_STOCK_OK, GTK_RESPONSE_ACCEPT);
    prompt.Run (_retval);

    return NS_OK;
}

/* boolean confirmCheck (in nsIDOMWindow aParent, in wstring aDialogTitle, in wstring aText, in wstring aCheckMsg, inout boolean aCheckState); */
NS_IMETHODIMP
EphyPromptService::ConfirmCheck (nsIDOMWindow *aParent,
                 const PRUnichar *aDialogTitle,
                 const PRUnichar *aText,
                 const PRUnichar *aCheckMsg,
                 PRBool *aCheckState,
                 PRBool *_retval)
{
    NS_ENSURE_ARG_POINTER (_retval);

    Prompter prompt (GTK_STOCK_DIALOG_QUESTION, aParent, aDialogTitle, aText);
    prompt.AddStockButton (GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
    prompt.AddStockButton (GTK_STOCK_OK, GTK_RESPONSE_ACCEPT);
    prompt.AddCheckbox (aCheckMsg, aCheckState);

    prompt.Run (_retval);
    prompt.GetCheckboxState (aCheckState);

    return NS_OK;
}

/* PRInt32 confirmEx (in nsIDOMWindow aParent, in wstring aDialogTitle, in wstring aText, in unsigned long aButtonFlags, in wstring aButton0Title, in wstring aButton1Title, in wstring aButton2Title, in wstring aCheckMsg, inout boolean aCheckState); */
NS_IMETHODIMP
EphyPromptService::ConfirmEx (nsIDOMWindow *aParent,
                  const PRUnichar *aDialogTitle,
                  const PRUnichar *aText,
                  PRUint32 aButtonFlags,
                  const PRUnichar *aButton0Title,
                  const PRUnichar *aButton1Title,
                  const PRUnichar *aButton2Title,
                  const PRUnichar *aCheckMsg,
                  PRBool *aCheckState,
                  PRInt32 *_retval)
{
    NS_ENSURE_ARG_POINTER (_retval);

    Prompter prompt (GTK_STOCK_DIALOG_QUESTION, aParent, aDialogTitle, aText);
    prompt.AddButtonsWithFlags (aButtonFlags, aButton0Title,
                    aButton1Title, aButton2Title);
    prompt.AddCheckbox (aCheckMsg, aCheckState);

    *_retval = prompt.Run (nsnull);
    prompt.GetCheckboxState (aCheckState);

    return NS_OK;
}

/* boolean prompt (in nsIDOMWindow aParent, in wstring aDialogTitle, in wstring aText, inout wstring aValue, in wstring aCheckMsg, inout boolean aCheckState); */
NS_IMETHODIMP
EphyPromptService::Prompt (nsIDOMWindow *aParent,
               const PRUnichar *aDialogTitle,
               const PRUnichar *aText,
               PRUnichar **aValue,
               const PRUnichar *aCheckMsg,
               PRBool *aCheckState,
               PRBool *_retval)
{
    NS_ENSURE_ARG_POINTER (_retval);
    NS_ENSURE_ARG_POINTER (aValue);

    Prompter prompt (GTK_STOCK_DIALOG_QUESTION, aParent, aDialogTitle, aText);
    prompt.AddStockButton (GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
    prompt.AddStockButton (GTK_STOCK_OK, GTK_RESPONSE_ACCEPT);
    prompt.AddEntry (nsnull, *aValue, PR_FALSE);
    prompt.AddCheckbox (aCheckMsg, aCheckState);

    prompt.Run (_retval);
    prompt.GetText (0, aValue);
    prompt.GetCheckboxState (aCheckState);

    return NS_OK;
}

/* boolean promptUsernameAndPassword (in nsIDOMWindow aParent, in wstring aDialogTitle, in wstring aText, inout wstring aUsername, inout wstring aPassword, in wstring aCheckMsg, inout boolean aCheckState); */
NS_IMETHODIMP
EphyPromptService::PromptUsernameAndPassword (nsIDOMWindow *aParent,
                          const PRUnichar *aDialogTitle,
                          const PRUnichar *aText,
                          PRUnichar **aUsername,
                          PRUnichar **aPassword,
                          const PRUnichar *aCheckMsg,
                          PRBool *aCheckState,
                          PRBool *_retval)
{
    NS_ENSURE_ARG_POINTER (_retval);
    NS_ENSURE_ARG_POINTER (aUsername);
    NS_ENSURE_ARG_POINTER (aPassword);

    Prompter prompt (GTK_STOCK_DIALOG_AUTHENTICATION, aParent, aDialogTitle, aText);
    prompt.AddStockButton (GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
    prompt.AddStockButton (GTK_STOCK_OK, GTK_RESPONSE_ACCEPT);
    prompt.AddEntry (_("_Username:"), *aUsername, PR_FALSE);
    prompt.AddEntry (_("_Password:"), *aPassword, PR_TRUE);
    prompt.AddCheckbox (aCheckMsg, aCheckState);

    prompt.Run (_retval);
    prompt.GetText (0, aUsername);
    prompt.GetText (1, aPassword);
    prompt.GetCheckboxState (aCheckState);

    return NS_OK;
}

/* boolean promptPassword (in nsIDOMWindow aParent, in wstring aDialogTitle, in wstring aText, inout wstring aPassword, in wstring aCheckMsg, inout boolean aCheckState); */
NS_IMETHODIMP
EphyPromptService::PromptPassword (nsIDOMWindow *aParent,
                   const PRUnichar *aDialogTitle,
                   const PRUnichar *aText,
                   PRUnichar **aPassword,
                   const PRUnichar *aCheckMsg,
                   PRBool *aCheckState,
                   PRBool *_retval)
{
    NS_ENSURE_ARG_POINTER (_retval);
    NS_ENSURE_ARG_POINTER (aPassword);

    Prompter prompt (GTK_STOCK_DIALOG_AUTHENTICATION, aParent, aDialogTitle, aText);
    prompt.AddStockButton (GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
    prompt.AddStockButton (GTK_STOCK_OK, GTK_RESPONSE_ACCEPT);
    prompt.AddEntry (_("_Password:"), *aPassword, PR_TRUE);
    prompt.AddCheckbox (aCheckMsg, aCheckState);

    // FIXME: Add a CAPSLOCK indicator?

    prompt.Run (_retval);
    prompt.GetText (0, aPassword);
    prompt.GetCheckboxState (aCheckState);

    return NS_OK;
}

/* boolean select (in nsIDOMWindow aParent, in wstring aDialogTitle, in wstring aText, in PRUint32 aCount, [array, size_is (aCount)] in wstring aSelectList, out long aOutSelection); */
NS_IMETHODIMP
EphyPromptService::Select (nsIDOMWindow *aParent,
               const PRUnichar *aDialogTitle,
               const PRUnichar *aText,
               PRUint32 aCount,
               const PRUnichar **aSelectList,
               PRInt32 *aOutSelection,
               PRBool *_retval)
{
    NS_ENSURE_ARG_POINTER (_retval);
    NS_ENSURE_ARG_POINTER (aOutSelection);

    Prompter prompt (GTK_STOCK_DIALOG_QUESTION, aParent, aDialogTitle, aText);
    prompt.AddStockButton (GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
    prompt.AddStockButton (GTK_STOCK_OK, GTK_RESPONSE_ACCEPT);
    prompt.AddSelect (aCount, aSelectList, *aOutSelection);

    prompt.Run (_retval);
    prompt.GetSelected (aOutSelection);

    return NS_OK;
}

#if HAVE_NSINONBLOCKINGALERTSERVICE_H

/* showNonBlockingAlert (in nsIDOMWindow aParent, in wstring aDialogTitle, in wstring aText); */
NS_IMETHODIMP
EphyPromptService::ShowNonBlockingAlert (nsIDOMWindow *aParent,
                     const PRUnichar *aDialogTitle,
                     const PRUnichar *aText)
{
    Prompter *prompt = new Prompter (GTK_STOCK_DIALOG_INFO, aParent, aDialogTitle, aText);
    if (!prompt) return NS_ERROR_OUT_OF_MEMORY;

    prompt->AddStockButton (GTK_STOCK_OK, GTK_RESPONSE_ACCEPT);
    prompt->Show ();

    return NS_OK;
}

#endif /* HAVE_NSINONBLOCKINGALERTSERVICE_H */