+/* Copyright (c) 2008, Nokia Corporation
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of the Nokia Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+ * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <modest-header-window.h>
+#include <modest-osso-state-saving.h>
+#include <libosso.h>
+#include <hildon/hildon-pannable-area.h>
+#include <modest-window-mgr.h>
+#include <modest-signal-mgr.h>
+#include <modest-runtime.h>
+#include <modest-platform.h>
+#include <modest-maemo-utils.h>
+#include <modest-icon-names.h>
+#include <modest-ui-constants.h>
+#include <modest-account-mgr.h>
+#include <modest-account-mgr-helpers.h>
+#include <modest-defs.h>
+#include <modest-widget-memory.h>
+#include <modest-ui-actions.h>
+#include <hildon/hildon-button.h>
+#include <hildon/hildon-program.h>
+#include <hildon/hildon-banner.h>
+
+typedef enum {
+ CONTENTS_STATE_NONE = 0,
+ CONTENTS_STATE_EMPTY = 1,
+ CONTENTS_STATE_HEADERS = 2
+} ContentsState;
+
+typedef struct _ModestHeaderWindowPrivate ModestHeaderWindowPrivate;
+struct _ModestHeaderWindowPrivate {
+
+ GtkWidget *header_view;
+ GtkWidget *empty_view;
+ GtkWidget *contents_view;
+ GtkWidget *new_message_button;
+
+ ContentsState contents_state;
+
+ TnyFolder *folder;
+
+ /* signals */
+ GSList *sighandlers;
+
+ /* Display state */
+ osso_display_state_t display_state;
+};
+#define MODEST_HEADER_WINDOW_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE((o), \
+ MODEST_TYPE_HEADER_WINDOW, \
+ ModestHeaderWindowPrivate))
+
+/* 'private'/'protected' functions */
+static void modest_header_window_class_init (ModestHeaderWindowClass *klass);
+static void modest_header_window_init (ModestHeaderWindow *obj);
+static void modest_header_window_finalize (GObject *obj);
+
+static void connect_signals (ModestHeaderWindow *self);
+static void modest_header_window_disconnect_signals (ModestWindow *self);
+
+static gboolean on_zoom_minus_plus_not_implemented (ModestWindow *window);
+static void add_to_menu (ModestHeaderWindow *self,
+ HildonAppMenu *menu,
+ gchar *label,
+ GCallback callback);
+static void setup_menu (ModestHeaderWindow *self);
+static GtkWidget *create_empty_view (void);
+static GtkWidget *create_header_view (TnyFolder *folder);
+
+static void update_view (ModestHeaderWindow *self,
+ TnyFolderChange *change);
+static void set_contents_state (ModestHeaderWindow *window,
+ ContentsState state);
+
+static void on_msg_count_changed (ModestHeaderView *header_view,
+ TnyFolder *folder,
+ TnyFolderChange *change,
+ ModestHeaderWindow *header_window);
+static void on_header_activated (ModestHeaderView *header_view,
+ TnyHeader *header,
+ GtkTreePath *path,
+ ModestHeaderWindow *header_window);
+
+
+/* globals */
+static GtkWindowClass *parent_class = NULL;
+
+#define EMPTYVIEW_XALIGN 0.5
+#define EMPTYVIEW_YALIGN 0.0
+#define EMPTYVIEW_XSPACE 1.0
+#define EMPTYVIEW_YSPACE 0.0
+
+
+
+/************************************************************************/
+
+GType
+modest_header_window_get_type (void)
+{
+ static GType my_type = 0;
+ if (!my_type) {
+ static const GTypeInfo my_info = {
+ sizeof(ModestHeaderWindowClass),
+ NULL, /* base init */
+ NULL, /* base finalize */
+ (GClassInitFunc) modest_header_window_class_init,
+ NULL, /* class finalize */
+ NULL, /* class data */
+ sizeof(ModestHeaderWindow),
+ 1, /* n_preallocs */
+ (GInstanceInitFunc) modest_header_window_init,
+ NULL
+ };
+ my_type = g_type_register_static (MODEST_TYPE_WINDOW,
+ "ModestHeaderWindow",
+ &my_info, 0);
+ }
+ return my_type;
+}
+
+static void
+modest_header_window_class_init (ModestHeaderWindowClass *klass)
+{
+ GObjectClass *gobject_class;
+ gobject_class = (GObjectClass*) klass;
+ ModestWindowClass *modest_window_class = (ModestWindowClass *) klass;
+
+ parent_class = g_type_class_peek_parent (klass);
+ gobject_class->finalize = modest_header_window_finalize;
+
+ g_type_class_add_private (gobject_class, sizeof(ModestHeaderWindowPrivate));
+
+ modest_window_class->zoom_minus_func = on_zoom_minus_plus_not_implemented;
+ modest_window_class->zoom_plus_func = on_zoom_minus_plus_not_implemented;
+ modest_window_class->disconnect_signals_func = modest_header_window_disconnect_signals;
+}
+
+static void
+modest_header_window_init (ModestHeaderWindow *obj)
+{
+ ModestHeaderWindowPrivate *priv;
+
+ priv = MODEST_HEADER_WINDOW_GET_PRIVATE(obj);
+
+ priv->sighandlers = NULL;
+ priv->display_state = OSSO_DISPLAY_ON;
+
+ priv->header_view = NULL;
+ priv->empty_view = NULL;
+ priv->contents_view = NULL;
+ priv->contents_state = CONTENTS_STATE_NONE;
+ priv->folder = NULL;
+
+ modest_window_mgr_register_help_id (modest_runtime_get_window_mgr(),
+ GTK_WINDOW(obj),
+ "applications_email_headerview");
+}
+
+static void
+modest_header_window_finalize (GObject *obj)
+{
+ ModestHeaderWindowPrivate *priv;
+
+ priv = MODEST_HEADER_WINDOW_GET_PRIVATE(obj);
+
+ g_object_unref (priv->header_view);
+ g_object_unref (priv->empty_view);
+ g_object_unref (priv->folder);
+
+ /* Sanity check: shouldn't be needed, the window mgr should
+ call this function before */
+ modest_header_window_disconnect_signals (MODEST_WINDOW (obj));
+
+ G_OBJECT_CLASS(parent_class)->finalize (obj);
+}
+
+static void
+modest_header_window_disconnect_signals (ModestWindow *self)
+{
+ ModestHeaderWindowPrivate *priv;
+ priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
+
+ modest_signal_mgr_disconnect_all_and_destroy (priv->sighandlers);
+ priv->sighandlers = NULL;
+}
+
+static void
+connect_signals (ModestHeaderWindow *self)
+{
+ ModestHeaderWindowPrivate *priv;
+
+ priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
+
+ /* header view */
+
+ priv->sighandlers =
+ modest_signal_mgr_connect (priv->sighandlers,G_OBJECT(priv->header_view),
+ "msg_count_changed",
+ G_CALLBACK(on_msg_count_changed), self);
+ priv->sighandlers =
+ modest_signal_mgr_connect (priv->sighandlers, G_OBJECT (priv->header_view),
+ "header-activated",
+ G_CALLBACK (on_header_activated), self);
+
+ /* TODO: connect header view activate */
+
+ /* new message button */
+
+ g_signal_connect (G_OBJECT (priv->new_message_button), "clicked",
+ G_CALLBACK (modest_ui_actions_on_new_msg), (gpointer) self);
+
+ /* window */
+
+ /* we don't register this in sighandlers, as it should be run after disconnecting all signals,
+ * in destroy stage */
+
+
+}
+
+static void
+osso_display_event_cb (osso_display_state_t state,
+ gpointer data)
+{
+ ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (data);
+
+ priv->display_state = state;
+
+ /* Stop blinking if the screen becomes on */
+ if (priv->display_state == OSSO_DISPLAY_ON)
+ modest_platform_remove_new_mail_notifications (TRUE);
+}
+
+static GtkWidget *
+create_header_view (TnyFolder *folder)
+{
+ GtkWidget *header_view;
+
+ header_view = modest_header_view_new (NULL, MODEST_HEADER_VIEW_STYLE_TWOLINES);
+ modest_header_view_set_folder (MODEST_HEADER_VIEW (header_view), folder,
+ TRUE, NULL, NULL);
+ modest_widget_memory_restore (modest_runtime_get_conf (), G_OBJECT(header_view),
+ MODEST_CONF_HEADER_VIEW_KEY);
+
+ return header_view;
+}
+
+static GtkWidget *
+create_empty_view (void)
+{
+ GtkLabel *label = NULL;
+ GtkWidget *align = NULL;
+
+ align = gtk_alignment_new(EMPTYVIEW_XALIGN, EMPTYVIEW_YALIGN, EMPTYVIEW_XSPACE, EMPTYVIEW_YSPACE);
+ label = GTK_LABEL(gtk_label_new (_("mcen_ia_nomessages")));
+ gtk_label_set_justify (label, GTK_JUSTIFY_CENTER);
+ gtk_container_add (GTK_CONTAINER (align), GTK_WIDGET(label));
+
+ return GTK_WIDGET(align);
+}
+
+
+ModestWindow *
+modest_header_window_new (TnyFolder *folder)
+{
+ ModestHeaderWindow *self = NULL;
+ ModestHeaderWindowPrivate *priv = NULL;
+ HildonProgram *app;
+ GdkPixbuf *window_icon;
+ GtkWidget *pannable;
+
+ self = MODEST_HEADER_WINDOW(g_object_new(MODEST_TYPE_HEADER_WINDOW, NULL));
+ priv = MODEST_HEADER_WINDOW_GET_PRIVATE(self);
+
+ priv->folder = g_object_ref (folder);
+
+ pannable = hildon_pannable_area_new ();
+
+ priv->header_view = create_header_view (folder);
+ priv->empty_view = create_empty_view ();
+ g_object_ref (priv->header_view);
+ g_object_ref (priv->empty_view);
+ priv->contents_view = gtk_vbox_new (FALSE, 0);
+ priv->new_message_button = hildon_button_new (MODEST_EDITABLE_SIZE,
+ HILDON_BUTTON_ARRANGEMENT_HORIZONTAL);
+ hildon_button_set_title (HILDON_BUTTON (priv->new_message_button), _("mcen_me_viewer_newemail"));
+ hildon_button_set_image (HILDON_BUTTON (priv->new_message_button),
+ gtk_image_new_from_stock (MODEST_STOCK_NEW_MAIL, GTK_ICON_SIZE_DIALOG));
+ hildon_button_set_title_alignment (HILDON_BUTTON (priv->new_message_button), 0.0, 0.5);
+ hildon_button_set_image_alignment (HILDON_BUTTON (priv->new_message_button), 0.0, 0.5);
+ hildon_button_set_alignment (HILDON_BUTTON (priv->new_message_button), 0.0, 0.5, 1.0, 0.0);
+ hildon_button_set_image_position (HILDON_BUTTON (priv->new_message_button), GTK_POS_LEFT);
+
+ setup_menu (self);
+
+ gtk_box_pack_start (GTK_BOX (priv->contents_view), priv->new_message_button, FALSE, FALSE, 0);
+ hildon_pannable_area_add_with_viewport (HILDON_PANNABLE_AREA (pannable), priv->contents_view);
+ gtk_container_add (GTK_CONTAINER (self), pannable);
+
+ gtk_widget_show (priv->contents_view);
+ gtk_widget_show (pannable);
+ gtk_widget_show (priv->new_message_button);
+
+ connect_signals (MODEST_HEADER_WINDOW (self));
+
+ update_view (self, NULL);
+
+ /* Load previous osso state, for instance if we are being restored from
+ * hibernation: */
+ modest_osso_load_state ();
+
+ /* Get device name */
+ modest_maemo_utils_get_device_name ();
+
+ app = hildon_program_get_instance ();
+ hildon_program_add_window (app, HILDON_WINDOW (self));
+
+ /* Set window icon */
+ window_icon = modest_platform_get_icon (MODEST_APP_ICON, MODEST_ICON_SIZE_BIG);
+ if (window_icon) {
+ gtk_window_set_icon (GTK_WINDOW (self), window_icon);
+ g_object_unref (window_icon);
+ }
+
+ /* Listen for changes in the screen, we don't want to show a
+ led pattern when the display is on for example */
+ osso_hw_set_display_event_cb (modest_maemo_utils_get_osso_context (),
+ osso_display_event_cb,
+ self);
+
+ /* Dont't restore settings here,
+ * because it requires a gtk_widget_show(),
+ * and we don't want to do that until later,
+ * so that the UI is not visible for non-menu D-Bus activation.
+ */
+
+ return MODEST_WINDOW(self);
+}
+
+static gboolean
+on_zoom_minus_plus_not_implemented (ModestWindow *window)
+{
+ g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (window), FALSE);
+
+ hildon_banner_show_information (NULL, NULL, dgettext("hildon-common-strings", "ckct_ib_cannot_zoom_here"));
+ return FALSE;
+
+}
+
+gboolean
+modest_header_window_screen_is_on (ModestHeaderWindow *self)
+{
+ ModestHeaderWindowPrivate *priv = NULL;
+
+ g_return_val_if_fail (MODEST_IS_HEADER_WINDOW(self), FALSE);
+
+ priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
+
+ return (priv->display_state == OSSO_DISPLAY_ON) ? TRUE : FALSE;
+}
+
+ModestHeaderView *
+modest_header_window_get_header_view (ModestHeaderWindow *self)
+{
+ ModestHeaderWindowPrivate *priv = NULL;
+
+ g_return_val_if_fail (MODEST_IS_HEADER_WINDOW(self), FALSE);
+
+ priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
+
+ return MODEST_HEADER_VIEW (priv->header_view);
+}
+
+static void add_to_menu (ModestHeaderWindow *self,
+ HildonAppMenu *menu,
+ gchar *label,
+ GCallback callback)
+{
+ GtkWidget *button;
+
+ button = gtk_button_new_with_label (label);
+ g_signal_connect_after (G_OBJECT (button), "clicked",
+ callback, (gpointer) self);
+ hildon_app_menu_append (menu, GTK_BUTTON (button));
+}
+
+static void setup_menu (ModestHeaderWindow *self)
+{
+ ModestHeaderWindowPrivate *priv = NULL;
+ GtkWidget *app_menu;
+
+ g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
+
+ priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
+
+ app_menu = hildon_app_menu_new ();
+
+ add_to_menu (self, HILDON_APP_MENU (app_menu), _("mcen_me_inbox_sendandreceive"),
+ G_CALLBACK (modest_ui_actions_on_send_receive));
+
+ hildon_stackable_window_set_main_menu (HILDON_STACKABLE_WINDOW (self),
+ HILDON_APP_MENU (app_menu));
+}
+
+static void
+update_view (ModestHeaderWindow *self,
+ TnyFolderChange *change)
+{
+ ModestHeaderWindowPrivate *priv = NULL;
+ gboolean refilter = FALSE;
+ gboolean folder_empty = FALSE;
+ gboolean all_marked_as_deleted = FALSE;
+
+ g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
+ priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
+ g_return_if_fail (priv->folder);
+
+ if (change != NULL) {
+ TnyFolderChangeChanged changed;
+
+ changed = tny_folder_change_get_changed (change);
+ /* If something changes */
+ if ((changed) & TNY_FOLDER_CHANGE_CHANGED_ALL_COUNT)
+ folder_empty = (((guint) tny_folder_change_get_new_all_count (change)) == 0);
+ else
+ folder_empty = (((guint) tny_folder_get_all_count (TNY_FOLDER (priv->folder))) == 0);
+
+ if ((changed) & TNY_FOLDER_CHANGE_CHANGED_EXPUNGED_HEADERS)
+ refilter = TRUE;
+ } else {
+ folder_empty = (((guint) tny_folder_get_all_count (TNY_FOLDER (priv->folder))) == 0);
+ }
+
+ /* Check if all messages are marked to be deleted */
+ all_marked_as_deleted = modest_header_view_is_empty (MODEST_HEADER_VIEW (priv->header_view));
+ folder_empty = folder_empty || all_marked_as_deleted;
+
+ /* Set style of headers view */
+ set_contents_state (self, folder_empty?CONTENTS_STATE_EMPTY:CONTENTS_STATE_HEADERS);
+
+ if (refilter)
+ modest_header_view_refilter (MODEST_HEADER_VIEW (priv->header_view));
+}
+
+static void
+set_contents_state (ModestHeaderWindow *self,
+ ContentsState state)
+{
+ ModestHeaderWindowPrivate *priv = NULL;
+
+ g_return_if_fail (MODEST_IS_HEADER_WINDOW(self));
+ priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
+
+ if (priv->contents_state == state)
+ return;
+
+ /* Remove from container the old content */
+ switch (priv->contents_state) {
+ case CONTENTS_STATE_EMPTY:
+ gtk_container_remove (GTK_CONTAINER (priv->contents_view), priv->empty_view);
+ break;
+ case CONTENTS_STATE_HEADERS:
+ gtk_container_remove (GTK_CONTAINER (priv->contents_view), priv->header_view);
+ break;
+ case CONTENTS_STATE_NONE:
+ break;
+ }
+
+ /* Add the new content */
+ switch (state) {
+ case CONTENTS_STATE_EMPTY:
+ gtk_box_pack_start (GTK_BOX (priv->contents_view), priv->empty_view, TRUE, TRUE, 0);
+ gtk_widget_show (priv->empty_view);
+ break;
+ case CONTENTS_STATE_HEADERS:
+ gtk_box_pack_start (GTK_BOX (priv->contents_view), priv->header_view, TRUE, TRUE, 0);
+ gtk_widget_show (priv->header_view);
+ break;
+ case CONTENTS_STATE_NONE:
+ break;
+ }
+ priv->contents_state = state;
+
+}
+
+static void
+on_msg_count_changed (ModestHeaderView *header_view,
+ TnyFolder *folder,
+ TnyFolderChange *change,
+ ModestHeaderWindow *header_window)
+{
+ g_return_if_fail (MODEST_IS_HEADER_WINDOW (header_window));
+
+ update_view (MODEST_HEADER_WINDOW (header_window), change);
+}
+
+static void
+on_header_activated (ModestHeaderView *header_view,
+ TnyHeader *header,
+ GtkTreePath *path,
+ ModestHeaderWindow *header_window)
+{
+ modest_ui_actions_on_header_activated (header_view, header, path, MODEST_WINDOW (header_window));
+}
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