path: root/mail/e-mail-view.c

/*
 * 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 of the License, or (at your option) version 3.
 *
 * 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 the program; if not, see <http://www.gnu.org/licenses/>
 *
 *
 * Authors:
 *      Srinivasa Ragavan <sragavan@gnome.org>
 *
 * Copyright (C) 2010 Intel corporation. (www.intel.com)
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "e-mail-view.h"

#include <glib/gi18n-lib.h>

#define E_MAIL_VIEW_GET_PRIVATE(obj) \
    (G_TYPE_INSTANCE_GET_PRIVATE \
    ((obj), E_TYPE_MAIL_VIEW, EMailViewPrivate))

struct _EMailViewPrivate {
    EShellView *shell_view;
    GtkOrientation orientation;
    EMailView *previous_view;

    guint preview_visible : 1;
    guint show_deleted    : 1;
};

enum {
    PROP_0,
    PROP_ORIENTATION,
    PROP_PREVIEW_VISIBLE,
    PROP_PREVIOUS_VIEW,
    PROP_SHELL_VIEW,
    PROP_SHOW_DELETED
};

enum {
    PANE_CLOSE,
    VIEW_CHANGED,
    OPEN_MAIL,
    LAST_SIGNAL
};

static guint signals[LAST_SIGNAL];

G_DEFINE_TYPE (EMailView, e_mail_view, GTK_TYPE_VBOX)

static void
mail_view_set_shell_view (EMailView *view,
                          EShellView *shell_view)
{
    g_return_if_fail (E_IS_SHELL_VIEW (shell_view));
    g_return_if_fail (view->priv->shell_view == NULL);

    view->priv->shell_view = g_object_ref (shell_view);
}

static void
mail_view_set_property (GObject *object,
                        guint property_id,
                        const GValue *value,
                        GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_ORIENTATION:
            e_mail_view_set_orientation (
                E_MAIL_VIEW (object),
                g_value_get_enum (value));
            return;

        case PROP_PREVIEW_VISIBLE:
            e_mail_view_set_preview_visible (
                E_MAIL_VIEW (object),
                g_value_get_boolean (value));
            return;

        case PROP_PREVIOUS_VIEW:
            e_mail_view_set_previous_view (
                E_MAIL_VIEW (object),
                g_value_get_object (value));
            return;

        case PROP_SHELL_VIEW:
            mail_view_set_shell_view (
                E_MAIL_VIEW (object),
                g_value_get_object (value));
            return;

        case PROP_SHOW_DELETED:
            e_mail_view_set_show_deleted (
                E_MAIL_VIEW (object),
                g_value_get_boolean (value));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
mail_view_get_property (GObject *object,
                        guint property_id,
                        GValue *value,
                        GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_ORIENTATION:
            g_value_set_enum (
                value, e_mail_view_get_orientation (
                E_MAIL_VIEW (object)));
            return;

        case PROP_PREVIEW_VISIBLE:
            g_value_set_boolean (
                value, e_mail_view_get_preview_visible (
                E_MAIL_VIEW (object)));
            return;

        case PROP_PREVIOUS_VIEW:
            g_value_set_object (
                value, e_mail_view_get_previous_view (
                E_MAIL_VIEW (object)));
            return;

        case PROP_SHELL_VIEW:
            g_value_set_object (
                value, e_mail_view_get_shell_view (
                E_MAIL_VIEW (object)));
            return;

        case PROP_SHOW_DELETED:
            g_value_set_boolean (
                value, e_mail_view_get_show_deleted (
                E_MAIL_VIEW (object)));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
mail_view_dispose (GObject *object)
{
    EMailViewPrivate *priv;

    priv = E_MAIL_VIEW_GET_PRIVATE (object);

    if (priv->shell_view != NULL) {
        g_object_unref (priv->shell_view);
        priv->shell_view = NULL;
    }

    if (priv->previous_view != NULL) {
        g_object_unref (priv->previous_view);
        priv->previous_view = NULL;
    }

    /* Chain up to parent's dispose() method. */
    G_OBJECT_CLASS (e_mail_view_parent_class)->dispose (object);
}

static GtkOrientation
mail_view_get_orientation (EMailView *view)
{
    return view->priv->orientation;
}

static void
mail_view_set_orientation (EMailView *view,
                           GtkOrientation orientation)
{
    if (view->priv->orientation == orientation)
        return;

    view->priv->orientation = orientation;

    g_object_notify (G_OBJECT (view), "orientation");

    e_mail_view_update_view_instance (view);
}

static gboolean
mail_view_get_preview_visible (EMailView *view)
{
    return view->priv->preview_visible;
}

static void
mail_view_set_preview_visible (EMailView *view,
                               gboolean preview_visible)
{
    if (view->priv->preview_visible == preview_visible)
        return;

    view->priv->preview_visible = preview_visible;

    g_object_notify (G_OBJECT (view), "preview-visible");
}

static gboolean
mail_view_get_show_deleted (EMailView *view)
{
    return view->priv->show_deleted;
}

static void
mail_view_set_show_deleted (EMailView *view,
                            gboolean show_deleted)
{
    if (view->priv->show_deleted == show_deleted)
        return;

    view->priv->show_deleted = show_deleted;

    g_object_notify (G_OBJECT (view), "show-deleted");
}

static void
e_mail_view_class_init (EMailViewClass *class)
{
    GObjectClass *object_class;

    g_type_class_add_private (class, sizeof (EMailViewPrivate));

    object_class = G_OBJECT_CLASS (class);
    object_class->set_property = mail_view_set_property;
    object_class->get_property = mail_view_get_property;
    object_class->dispose = mail_view_dispose;

    class->get_orientation = mail_view_get_orientation;
    class->set_orientation = mail_view_set_orientation;
    class->get_preview_visible = mail_view_get_preview_visible;
    class->set_preview_visible = mail_view_set_preview_visible;
    class->get_show_deleted = mail_view_get_show_deleted;
    class->set_show_deleted = mail_view_set_show_deleted;

    signals[PANE_CLOSE] = g_signal_new (
        "pane-close",
        G_OBJECT_CLASS_TYPE (object_class),
        G_SIGNAL_RUN_FIRST,
        G_STRUCT_OFFSET (EMailViewClass , pane_close),
        NULL, NULL,
        g_cclosure_marshal_VOID__VOID,
        G_TYPE_NONE, 0);

    signals[VIEW_CHANGED] = g_signal_new (
        "view-changed",
        G_OBJECT_CLASS_TYPE (object_class),
        G_SIGNAL_RUN_FIRST,
        G_STRUCT_OFFSET (EMailViewClass , view_changed),
        NULL, NULL,
        g_cclosure_marshal_VOID__VOID,
        G_TYPE_NONE, 0);

    signals[OPEN_MAIL] = g_signal_new (
        "open-mail",
        G_OBJECT_CLASS_TYPE (object_class),
        G_SIGNAL_RUN_FIRST,
        G_STRUCT_OFFSET (EMailViewClass , open_mail),
        NULL, NULL,
        g_cclosure_marshal_VOID__STRING,
        G_TYPE_NONE, 1, G_TYPE_STRING);

    g_object_class_install_property (
        object_class,
        PROP_ORIENTATION,
        g_param_spec_enum (
            "orientation",
            "Orientation",
            NULL,
            GTK_TYPE_ORIENTATION,
            GTK_ORIENTATION_HORIZONTAL,
            G_PARAM_READWRITE));

    g_object_class_install_property (
        object_class,
        PROP_PREVIEW_VISIBLE,
        g_param_spec_boolean (
            "preview-visible",
            "Preview Visible",
            NULL,
            FALSE,
            G_PARAM_READWRITE));

    g_object_class_install_property (
        object_class,
        PROP_PREVIOUS_VIEW,
        g_param_spec_object (
            "previous-view",
            "Previous View",
            NULL,
            E_TYPE_MAIL_VIEW,
            G_PARAM_READWRITE));

    g_object_class_install_property (
        object_class,
        PROP_SHELL_VIEW,
        g_param_spec_object (
            "shell-view",
            "Shell View",
            NULL,
            E_TYPE_SHELL_VIEW,
            G_PARAM_READWRITE |
            G_PARAM_CONSTRUCT_ONLY));

    g_object_class_install_property (
        object_class,
        PROP_SHOW_DELETED,
        g_param_spec_boolean (
            "show-deleted",
            "Show Deleted",
            NULL,
            FALSE,
            G_PARAM_READWRITE));
}

static void
e_mail_view_init (EMailView *view)
{
    view->priv = E_MAIL_VIEW_GET_PRIVATE (view);
}

EShellView *
e_mail_view_get_shell_view (EMailView *view)
{
    g_return_val_if_fail (E_IS_MAIL_VIEW (view), NULL);

    return view->priv->shell_view;
}

void
e_mail_view_update_view_instance (EMailView *view)
{
    EMailViewClass *class;

    g_return_if_fail (E_IS_MAIL_VIEW (view));

    class = E_MAIL_VIEW_GET_CLASS (view);
    g_return_if_fail (class->update_view_instance != NULL);

    class->update_view_instance (view);
}

GalViewInstance *
e_mail_view_get_view_instance (EMailView *view)
{
    EMailViewClass *class;

    g_return_val_if_fail (E_IS_MAIL_VIEW (view), NULL);

    class = E_MAIL_VIEW_GET_CLASS (view);
    g_return_val_if_fail (class->get_view_instance != NULL, NULL);

    return class->get_view_instance (view);
}

void
e_mail_view_set_search_strings (EMailView *view,
                                GSList *search_strings)
{
    EMailViewClass *class;

    g_return_if_fail (E_IS_MAIL_VIEW (view));

    class = E_MAIL_VIEW_GET_CLASS (view);
    g_return_if_fail (class->set_search_strings != NULL);

    class->set_search_strings (view, search_strings);
}

GtkOrientation
e_mail_view_get_orientation (EMailView *view)
{
    EMailViewClass *class;

    g_return_val_if_fail (E_IS_MAIL_VIEW (view), 0);

    class = E_MAIL_VIEW_GET_CLASS (view);
    g_return_val_if_fail (class->get_orientation != NULL, 0);

    return class->get_orientation (view);
}

void
e_mail_view_set_orientation (EMailView *view,
                             GtkOrientation orientation)
{
    EMailViewClass *class;

    g_return_if_fail (E_IS_MAIL_VIEW (view));

    class = E_MAIL_VIEW_GET_CLASS (view);
    g_return_if_fail (class->set_orientation != NULL);

    class->set_orientation (view, orientation);
}

gboolean
e_mail_view_get_preview_visible (EMailView *view)
{
    EMailViewClass *class;

    g_return_val_if_fail (E_IS_MAIL_VIEW (view), FALSE);

    class = E_MAIL_VIEW_GET_CLASS (view);
    g_return_val_if_fail (class->get_preview_visible != NULL, FALSE);

    return class->get_preview_visible (view);
}

void
e_mail_view_set_preview_visible (EMailView *view,
                                 gboolean visible)
{
    EMailViewClass *class;

    g_return_if_fail (E_IS_MAIL_VIEW (view));

    class = E_MAIL_VIEW_GET_CLASS (view);
    g_return_if_fail (class->set_preview_visible != NULL);

    class->set_preview_visible (view, visible);
}

EMailView *
e_mail_view_get_previous_view (EMailView *view)
{
    g_return_val_if_fail (E_IS_MAIL_VIEW (view), NULL);

    return view->priv->previous_view;
}

void
e_mail_view_set_previous_view (EMailView *view,
                               EMailView *previous_view)
{
    g_return_if_fail (E_IS_MAIL_VIEW (view));

    if (view->priv->previous_view == previous_view)
        return;

    if (previous_view != NULL) {
        g_return_if_fail (E_IS_MAIL_VIEW (previous_view));
        g_object_ref (previous_view);
    }

    if (view->priv->previous_view != NULL)
        g_object_unref (view->priv->previous_view);

    view->priv->previous_view = previous_view;

    g_object_notify (G_OBJECT (view), "previous-view");
}

gboolean
e_mail_view_get_show_deleted (EMailView *view)
{
    EMailViewClass *class;

    g_return_val_if_fail (E_IS_MAIL_VIEW (view), FALSE);

    class = E_MAIL_VIEW_GET_CLASS (view);
    g_return_val_if_fail (class->get_show_deleted != NULL, FALSE);

    return class->get_show_deleted (view);
}

void
e_mail_view_set_show_deleted (EMailView *view,
                              gboolean show_deleted)
{
    EMailViewClass *class;

    g_return_if_fail (E_IS_MAIL_VIEW (view));

    class = E_MAIL_VIEW_GET_CLASS (view);
    g_return_if_fail (class->set_show_deleted != NULL);

    class->set_show_deleted (view, show_deleted);
}