diff options
Diffstat (limited to 'mail/e-mail-tab-picker.c')
| -rw-r--r-- | mail/e-mail-tab-picker.c | 1332 |
1 files changed, 1332 insertions, 0 deletions
diff --git a/mail/e-mail-tab-picker.c b/mail/e-mail-tab-picker.c new file mode 100644 index 0000000000..6e8f12f88b --- /dev/null +++ b/mail/e-mail-tab-picker.c @@ -0,0 +1,1332 @@ +/* + * Borrowed from Moblin-Web-Browser: The web browser for Moblin + * Copyright (c) 2009, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU Lesser General Public License, + * version 2.1, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "e-mail-tab-picker.h" + +static void mx_droppable_iface_init (MxDroppableIface *iface); +static gint e_mail_tab_picker_find_tab_cb (gconstpointer a, gconstpointer b); + +G_DEFINE_TYPE_WITH_CODE (EMailTabPicker, + e_mail_tab_picker, + MX_TYPE_WIDGET, + G_IMPLEMENT_INTERFACE (MX_TYPE_DROPPABLE, + mx_droppable_iface_init)) + +#define TAB_PICKER_PRIVATE(o) \ + (G_TYPE_INSTANCE_GET_PRIVATE ((o), E_MAIL_TYPE_TAB_PICKER, EMailTabPickerPrivate)) + +enum +{ + PROP_0, + + PROP_PREVIEW_MODE, + PROP_DROP_ENABLED, +}; + +enum +{ + TAB_ACTIVATED, + CHOOSER_CLICKED, + + LAST_SIGNAL +}; + +static guint signals[LAST_SIGNAL] = { 0, }; + +typedef struct +{ + EMailTab *tab; + gfloat position; + gfloat width; + gboolean docking; + gboolean docked; +} EMailTabPickerProps; + +struct _EMailTabPickerPrivate +{ + GList *tabs; + gint n_tabs; + ClutterActor *chooser_button; + ClutterActor *close_button; + gint current_tab; + gboolean preview_mode; + gboolean drop_enabled; + gboolean in_drag; + gboolean drag_preview; + + gint width; + gint total_width; + gint max_offset; + gboolean docked_tabs; + + ClutterTimeline *scroll_timeline; + ClutterAlpha *scroll_alpha; + gint scroll_start; + gint scroll_end; + gint scroll_offset; + gboolean keep_current_visible; + MxAdjustment *scroll_adjustment; + ClutterActor *scroll_bar; + + ClutterTimeline *preview_timeline; + gfloat preview_progress; +}; + +static void +e_mail_tab_picker_over_in (MxDroppable *droppable, + MxDraggable *draggable) +{ +} + +static void +e_mail_tab_picker_over_out (MxDroppable *droppable, + MxDraggable *draggable) +{ +} + +static void +e_mail_tab_picker_drop (MxDroppable *droppable, + MxDraggable *draggable, + gfloat event_x, + gfloat event_y, + gint button, + ClutterModifierType modifiers) +{ + GList *t; + EMailTabPickerProps *tab; + gint current_position, new_position; + + EMailTabPicker *picker = E_MAIL_TAB_PICKER (droppable); + EMailTabPickerPrivate *priv = picker->priv; + + /* Make sure this is a valid drop */ + if (!priv->drop_enabled) + return; + + if (!E_MAIL_IS_TAB (draggable)) + return; + + if (clutter_actor_get_parent (CLUTTER_ACTOR (draggable)) != + (ClutterActor *)picker) + return; + + /* Get current position and property data structure */ + t = g_list_find_custom (priv->tabs, draggable, e_mail_tab_picker_find_tab_cb); + tab = (EMailTabPickerProps *)t->data; + if (!tab) + { + g_warning ("Tab that's parented to a picker not actually in picker"); + return; + } + current_position = g_list_position (priv->tabs, t); + + /* Work out new position */ + for (new_position = 0, t = priv->tabs; t; t = t->next) + { + EMailTabPickerProps *props = t->data; + + /* Ignore docked tabs */ + if (!props->docked) + { + /* If the tab is beyond the dragged tab and not draggable, + * we don't want to drag past it. + */ + if ((event_x >= props->position + priv->scroll_offset) && + (tab->position + tab->width <= props->position) && + !mx_draggable_is_enabled (MX_DRAGGABLE (props->tab))) + { + new_position --; + break; + } + + /* The same check for dragging left instead of right */ + if ((event_x < props->position + props->width + priv->scroll_offset)&& + (tab->position >= props->position) && + !mx_draggable_is_enabled (MX_DRAGGABLE (props->tab))) + break; + + /* If the tab-end position is after the drop position, + * break - we want to drop before here. + */ + if (props->position + props->width + priv->scroll_offset > event_x) + break; + } + + /* Increment the position */ + new_position++; + } + + /* Re-order */ + e_mail_tab_picker_reorder (picker, current_position, new_position); +} + +static void +mx_droppable_iface_init (MxDroppableIface *iface) +{ + iface->over_in = e_mail_tab_picker_over_in; + iface->over_out = e_mail_tab_picker_over_out; + iface->drop = e_mail_tab_picker_drop; +} + +static void +e_mail_tab_picker_get_property (GObject *object, guint property_id, + GValue *value, GParamSpec *pspec) +{ + EMailTabPicker *tab_picker = E_MAIL_TAB_PICKER (object); + EMailTabPickerPrivate *priv = tab_picker->priv; + + switch (property_id) + { + case PROP_PREVIEW_MODE: + g_value_set_boolean (value, e_mail_tab_picker_get_preview_mode (tab_picker)); + break; + + case PROP_DROP_ENABLED: + g_value_set_boolean (value, priv->drop_enabled); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + } +} + +static void +e_mail_tab_picker_set_property (GObject *object, guint property_id, + const GValue *value, GParamSpec *pspec) +{ + EMailTabPicker *tab_picker = E_MAIL_TAB_PICKER (object); + EMailTabPickerPrivate *priv = tab_picker->priv; + + switch (property_id) + { + case PROP_PREVIEW_MODE: + e_mail_tab_picker_set_preview_mode (tab_picker, g_value_get_boolean (value)); + break; + + case PROP_DROP_ENABLED: + priv->drop_enabled = g_value_get_boolean (value); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + } +} + +static void +e_mail_tab_picker_dispose (GObject *object) +{ + EMailTabPicker *picker = E_MAIL_TAB_PICKER (object); + EMailTabPickerPrivate *priv = picker->priv; + + if (priv->scroll_bar) + { + clutter_actor_unparent (CLUTTER_ACTOR (priv->scroll_bar)); + priv->scroll_bar = NULL; + } + + if (priv->scroll_timeline) + { + clutter_timeline_stop (priv->scroll_timeline); + g_object_unref (priv->scroll_alpha); + g_object_unref (priv->scroll_timeline); + priv->scroll_timeline = NULL; + priv->scroll_alpha = NULL; + } + + if (priv->preview_timeline) + { + clutter_timeline_stop (priv->preview_timeline); + g_object_unref (priv->preview_timeline); + priv->preview_timeline = NULL; + } + + if (priv->chooser_button) + { + clutter_actor_unparent (CLUTTER_ACTOR (priv->chooser_button)); + priv->chooser_button = NULL; + } + + if (priv->close_button) + { + clutter_actor_unparent (CLUTTER_ACTOR (priv->close_button)); + priv->close_button = NULL; + } + + while (priv->tabs) + { + EMailTabPickerProps *props = priv->tabs->data; + e_mail_tab_picker_remove_tab (picker, props->tab); + } + + G_OBJECT_CLASS (e_mail_tab_picker_parent_class)->dispose (object); +} + +static void +e_mail_tab_picker_finalize (GObject *object) +{ + G_OBJECT_CLASS (e_mail_tab_picker_parent_class)->finalize (object); +} + +static void +e_mail_tab_picker_paint (ClutterActor *actor) +{ + GList *t; + gfloat width, height, offset; + + EMailTabPickerPrivate *priv = E_MAIL_TAB_PICKER (actor)->priv; + + CLUTTER_ACTOR_CLASS (e_mail_tab_picker_parent_class)->paint (actor); + + clutter_actor_get_size (actor, &width, &height); + + cogl_clip_push_rectangle (0, 0, width, height); + + offset = priv->scroll_offset; + cogl_translate (-priv->scroll_offset, 0, 0); + + /* Draw normal tabs */ + for (t = priv->tabs; t; t = t->next) + { + EMailTabPickerProps *props = t->data; + + if (props->docked) + continue; + if (props->position + props->width < offset) + continue; + if (props->position > width + offset) + break; + + if (CLUTTER_ACTOR_IS_MAPPED (props->tab)) + clutter_actor_paint (CLUTTER_ACTOR (props->tab)); + } + + cogl_translate (priv->scroll_offset, 0, 0); + + /* Draw docked tabs */ + if (priv->docked_tabs) + { + for (t = priv->tabs; t; t = t->next) + { + EMailTabPickerProps *props = t->data; + + if (!props->docked) + continue; + + if (CLUTTER_ACTOR_IS_MAPPED (props->tab)) + clutter_actor_paint (CLUTTER_ACTOR (props->tab)); + } + } + + cogl_clip_pop (); + + /* Draw tab chooser button */ + if (CLUTTER_ACTOR_IS_MAPPED (priv->chooser_button)) + clutter_actor_paint (CLUTTER_ACTOR (priv->chooser_button)); + + /* Draw scrollbar */ + if (CLUTTER_ACTOR_IS_MAPPED (priv->scroll_bar)) + { + gfloat height; + clutter_actor_get_preferred_height (CLUTTER_ACTOR (priv->close_button), + -1, NULL, &height); + height *= priv->preview_progress; + if (height >= 1.0) + { + cogl_clip_push_rectangle (0, 0, width, height); + if (CLUTTER_ACTOR_IS_MAPPED (priv->close_button)) + clutter_actor_paint (CLUTTER_ACTOR (priv->close_button)); + clutter_actor_paint (CLUTTER_ACTOR (priv->scroll_bar)); + cogl_clip_pop (); + } + } +} + +static void +e_mail_tab_picker_pick (ClutterActor *actor, + const ClutterColor *color) +{ + EMailTabPickerPrivate *priv = E_MAIL_TAB_PICKER (actor)->priv; + + /* Chain up to paint background */ + CLUTTER_ACTOR_CLASS (e_mail_tab_picker_parent_class)->pick (actor, color); + + if (!priv->in_drag) + e_mail_tab_picker_paint (actor); +} + +static void +e_mail_tab_picker_get_preferred_width (ClutterActor *actor, + gfloat for_height, + gfloat *min_width_p, + gfloat *natural_width_p) +{ + GList *t; + MxPadding padding; + + EMailTabPickerPrivate *priv = E_MAIL_TAB_PICKER (actor)->priv; + + clutter_actor_get_preferred_width (CLUTTER_ACTOR (priv->chooser_button), + for_height, min_width_p, natural_width_p); + + mx_widget_get_padding (MX_WIDGET (actor), &padding); + if (min_width_p) + *min_width_p += padding.left + padding.right; + if (natural_width_p) + *natural_width_p += padding.left + padding.right; + + for (t = priv->tabs; t; t = t->next) + { + gfloat min_width, natural_width; + + EMailTabPickerProps *props = t->data; + + clutter_actor_get_preferred_width (CLUTTER_ACTOR (props->tab), for_height, + &min_width, &natural_width); + + if (min_width_p && !t->prev) + *min_width_p += min_width; + if (natural_width_p) + *natural_width_p += natural_width; + } +} + +void +e_mail_tab_picker_get_preferred_height (EMailTabPicker *tab_picker, + gfloat for_width, + gfloat *min_height_p, + gfloat *natural_height_p, + gboolean with_previews) +{ + MxPadding padding; + + ClutterActor *actor = CLUTTER_ACTOR (tab_picker); + EMailTabPickerPrivate *priv = tab_picker->priv; + + clutter_actor_get_preferred_height (CLUTTER_ACTOR (priv->chooser_button), + for_width, min_height_p, natural_height_p); + + if (priv->tabs) + { + gfloat min_height, natural_height, scroll_height; + + EMailTabPickerProps *props = priv->tabs->data; + + /* Get the height of the first tab - it's assumed that tabs are + * fixed height. + */ + if (with_previews) + { + clutter_actor_get_preferred_height (CLUTTER_ACTOR (props->tab), + for_width, + &min_height, + &natural_height); + if (CLUTTER_ACTOR_IS_VISIBLE (priv->scroll_bar)) + { + /* Add the height of the scrollbar-section */ + clutter_actor_get_preferred_height ( + CLUTTER_ACTOR (priv->close_button), -1, NULL, &scroll_height); + scroll_height *= priv->preview_progress; + + min_height += scroll_height; + natural_height += scroll_height; + } + } + else + e_mail_tab_get_height_no_preview (props->tab, for_width, + &min_height, &natural_height); + + if (min_height_p && (*min_height_p < min_height)) + *min_height_p = min_height; + if (natural_height_p && (*natural_height_p < natural_height)) + *natural_height_p = natural_height; + } + + mx_widget_get_padding (MX_WIDGET (actor), &padding); + if (min_height_p) + *min_height_p += padding.top + padding.bottom; + if (natural_height_p) + *natural_height_p += padding.top + padding.bottom; +} + +static void +_e_mail_tab_picker_get_preferred_height (ClutterActor *actor, + gfloat for_width, + gfloat *min_height_p, + gfloat *natural_height_p) +{ + e_mail_tab_picker_get_preferred_height (E_MAIL_TAB_PICKER (actor), for_width, + min_height_p, natural_height_p, TRUE); +} + +static void +e_mail_tab_picker_allocate_docked (EMailTabPicker *tab_picker, + const ClutterActorBox *picker_box_p, + const ClutterActorBox *chooser_box_p, + ClutterAllocationFlags flags) +{ + GList *t; + MxPadding padding; + ClutterActorBox picker_box, chooser_box, child_box; + gfloat offset, width, left, right, height; + + EMailTabPickerPrivate *priv = tab_picker->priv; + + if (!picker_box_p) + { + clutter_actor_get_allocation_box (CLUTTER_ACTOR (tab_picker), + &picker_box); + picker_box_p = &picker_box; + } + if (!chooser_box_p) + { + clutter_actor_get_allocation_box (CLUTTER_ACTOR (priv->chooser_button), + &chooser_box); + chooser_box_p = &chooser_box; + } + + mx_widget_get_padding (MX_WIDGET (tab_picker), &padding); + + /* Calculate available width and height */ + width = picker_box_p->x2 - picker_box_p->x1 - padding.right; + + e_mail_tab_picker_get_preferred_height (tab_picker, -1, NULL, &height, FALSE); + child_box.y2 = picker_box_p->y2 - picker_box_p->y1 - padding.bottom; + child_box.y1 = child_box.y2 - height; + + /* Don't dock over the chooser button */ + width -= chooser_box_p->x2 - chooser_box_p->x1; + + offset = priv->scroll_offset; + + left = 0; + right = width; + priv->docked_tabs = FALSE; + + for (t = g_list_last (priv->tabs); t; t = t->prev) + { + EMailTabPickerProps *props = t->data; + + props->docked = FALSE; + + if (!props->docking) + continue; + + if (props->position < offset) + { + /* Dock left */ + priv->docked_tabs = TRUE; + props->docked = TRUE; + child_box.x1 = left; + child_box.x2 = child_box.x1 + props->width; + left += props->width; + } + else if (props->position + props->width > width + offset) + { + /* Dock right */ + priv->docked_tabs = TRUE; + props->docked = TRUE; + child_box.x2 = right; + child_box.x1 = child_box.x2 - props->width; + right -= props->width; + } + else + { + child_box.x1 = props->position; + child_box.x2 = child_box.x1 + props->width; + } + + clutter_actor_allocate (CLUTTER_ACTOR (props->tab), &child_box, flags); + } +} + +static void +e_mail_tab_picker_scroll_new_frame_cb (ClutterTimeline *timeline, + guint msecs, + EMailTabPicker *tab_picker) +{ + EMailTabPickerPrivate *priv = tab_picker->priv; + gdouble alpha = clutter_alpha_get_alpha (priv->scroll_alpha); + + priv->scroll_offset = (priv->scroll_start * (1.0 - alpha)) + + (priv->scroll_end * alpha); + mx_adjustment_set_value (priv->scroll_adjustment, priv->scroll_offset); + e_mail_tab_picker_allocate_docked (tab_picker, NULL, NULL, 0); + clutter_actor_queue_redraw (CLUTTER_ACTOR (tab_picker)); +} + +static void +e_mail_tab_picker_scroll_completed_cb (ClutterTimeline *timeline, + EMailTabPicker *tab_picker) +{ + EMailTabPickerPrivate *priv = tab_picker->priv; + + priv->scroll_offset = priv->scroll_end; + mx_adjustment_set_value (priv->scroll_adjustment, priv->scroll_offset); + e_mail_tab_picker_allocate_docked (tab_picker, NULL, NULL, 0); + clutter_actor_queue_redraw (CLUTTER_ACTOR (tab_picker)); + + g_object_unref (priv->scroll_alpha); + g_object_unref (priv->scroll_timeline); + priv->scroll_alpha = NULL; + priv->scroll_timeline = NULL; +} + +static void +e_mail_tab_picker_scroll_to (EMailTabPicker *tab_picker, + gint destination, + guint duration) +{ + EMailTabPickerPrivate *priv = tab_picker->priv; + + priv->scroll_start = priv->scroll_offset; + priv->scroll_end = CLAMP (destination, 0, priv->max_offset); + + if (priv->scroll_timeline) + { + clutter_timeline_stop (priv->scroll_timeline); + clutter_timeline_rewind (priv->scroll_timeline); + clutter_timeline_set_duration (priv->scroll_timeline, duration); + } + else + { + if (priv->scroll_end == priv->scroll_offset) + return; + + priv->scroll_timeline = clutter_timeline_new (duration); + priv->scroll_alpha = clutter_alpha_new_full (priv->scroll_timeline, + CLUTTER_EASE_OUT_QUAD); + g_signal_connect (priv->scroll_timeline, "new_frame", + G_CALLBACK (e_mail_tab_picker_scroll_new_frame_cb), + tab_picker); + g_signal_connect (priv->scroll_timeline, "completed", + G_CALLBACK (e_mail_tab_picker_scroll_completed_cb), + tab_picker); + } + + clutter_timeline_start (priv->scroll_timeline); +} + +static void +e_mail_tab_picker_allocate (ClutterActor *actor, + const ClutterActorBox *box, + ClutterAllocationFlags flags) +{ + GList *t; + MxPadding padding; + gint old_max_offset, old_scroll_offset; + ClutterActorBox child_box, scroll_box; + gfloat width, total_width, height; + + EMailTabPicker *tab_picker = E_MAIL_TAB_PICKER (actor); + EMailTabPickerPrivate *priv = tab_picker->priv; + + mx_widget_get_padding (MX_WIDGET (actor), &padding); + + /* Allocate for scroll-bar and close button */ + clutter_actor_get_preferred_size (CLUTTER_ACTOR (priv->close_button), + NULL, NULL, &width, &height); + child_box.x1 = 0; + child_box.x2 = box->x2 - box->x1 - padding.right; + child_box.y1 = 0; + child_box.y2 = child_box.y1 + height; + clutter_actor_allocate (CLUTTER_ACTOR (priv->close_button), + &child_box, + flags); + + /* FIXME: Make this a property */ +#define SPACING 4.0 + /* Work out allocation for scroll-bar, but allocate it later */ + scroll_box = child_box; + scroll_box.x2 -= width + SPACING; + scroll_box.x1 += SPACING; + scroll_box.y1 += SPACING; + scroll_box.y2 -= SPACING; + + child_box.y1 += (height * priv->preview_progress) + padding.top; + + /* Allocate for tabs */ + total_width = 0; + child_box.x1 = padding.left; + e_mail_tab_picker_get_preferred_height (tab_picker, -1, NULL, &height, FALSE); + for (t = priv->tabs; t; t = t->next) + { + EMailTabPickerProps *props = t->data; + ClutterActor *actor = CLUTTER_ACTOR (props->tab); + + clutter_actor_get_preferred_width (actor, child_box.y2, NULL, &width); + + /* Fill out data - note it's ok to fill out docking here as when it + * changes, the tab queues a relayout. + */ + props->docking = e_mail_tab_get_docking (props->tab); + props->position = child_box.x1; + props->width = width; + + total_width += width; + + /* Don't stretch tabs without a preview to fit tabs with a preview */ + if (e_mail_tab_get_preview_actor (props->tab)) + child_box.y2 = box->y2 - box->y1 - padding.bottom; + else + child_box.y2 = child_box.y1 + height; + + child_box.x2 = child_box.x1 + width; + clutter_actor_allocate (actor, &child_box, flags); + + child_box.x1 = child_box.x2; + } + + /* Allocate for the chooser button */ + clutter_actor_get_preferred_width (CLUTTER_ACTOR (priv->chooser_button), + box->y2 - box->y1, NULL, &width); + + child_box.x2 = box->x2 - box->x1 - padding.right; + child_box.x1 = child_box.x2 - width; + child_box.y1 = 0; + child_box.y2 = child_box.y1 + height; + clutter_actor_allocate (CLUTTER_ACTOR (priv->chooser_button), + &child_box, flags); + + /* Cache some useful size values */ + priv->width = (gint)(box->x2 - box->x1); + + priv->total_width = (gint)(total_width + padding.left + padding.right); + + old_max_offset = priv->max_offset; + priv->max_offset = priv->total_width - priv->width + + (gint)(child_box.x2 - child_box.x1); + if (priv->max_offset < 0) + priv->max_offset = 0; + + /* Allocate for tab picker */ + old_scroll_offset = priv->scroll_offset; + priv->scroll_offset = CLAMP (priv->scroll_offset, 0, priv->max_offset); + e_mail_tab_picker_allocate_docked (tab_picker, box, &child_box, flags); + + /* Chain up (store box) */ + CLUTTER_ACTOR_CLASS (e_mail_tab_picker_parent_class)-> + allocate (actor, box, flags); + + /* Sync up the scroll-bar properties */ + g_object_set (G_OBJECT (priv->scroll_adjustment), + "page-increment", (gdouble)(box->x2 - box->x1), + "page-size", (gdouble)(box->x2 - box->x1), + "upper", (gdouble)total_width, + NULL); + + if ((priv->max_offset != old_max_offset) || + (priv->scroll_offset != old_scroll_offset)) + mx_adjustment_set_value (priv->scroll_adjustment, + (gdouble)priv->scroll_offset); + + /* Allocate for scroll-bar */ + clutter_actor_allocate (CLUTTER_ACTOR (priv->scroll_bar), &scroll_box, flags); + + /* Keep current tab visible */ + if (priv->keep_current_visible) + { + EMailTabPickerProps *current = + g_list_nth_data (priv->tabs, priv->current_tab); + + if ((current->position < priv->scroll_offset) || + (current->position + current->width >= priv->max_offset)) + e_mail_tab_picker_scroll_to (tab_picker, current->position, 150); + } +} + +static void +e_mail_tab_picker_map (ClutterActor *actor) +{ + GList *t; + EMailTabPickerPrivate *priv = E_MAIL_TAB_PICKER (actor)->priv; + + CLUTTER_ACTOR_CLASS (e_mail_tab_picker_parent_class)->map (actor); + + clutter_actor_map (CLUTTER_ACTOR (priv->chooser_button)); + clutter_actor_map (CLUTTER_ACTOR (priv->close_button)); + clutter_actor_map (CLUTTER_ACTOR (priv->scroll_bar)); + + for (t = priv->tabs; t; t = t->next) + { + EMailTabPickerProps *props = t->data; + clutter_actor_map (CLUTTER_ACTOR (props->tab)); + } +} + +static void +e_mail_tab_picker_unmap (ClutterActor *actor) +{ + GList *t; + EMailTabPickerPrivate *priv = E_MAIL_TAB_PICKER (actor)->priv; + + CLUTTER_ACTOR_CLASS (e_mail_tab_picker_parent_class)->unmap (actor); + + clutter_actor_unmap (CLUTTER_ACTOR (priv->chooser_button)); + clutter_actor_unmap (CLUTTER_ACTOR (priv->close_button)); + clutter_actor_unmap (CLUTTER_ACTOR (priv->scroll_bar)); + + for (t = priv->tabs; t; t = t->next) + { + EMailTabPickerProps *props = t->data; + clutter_actor_unmap (CLUTTER_ACTOR (props->tab)); + } +} + +static void +e_mail_tab_picker_class_init (EMailTabPickerClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + ClutterActorClass *actor_class = CLUTTER_ACTOR_CLASS (klass); + + g_type_class_add_private (klass, sizeof (EMailTabPickerPrivate)); + + object_class->get_property = e_mail_tab_picker_get_property; + object_class->set_property = e_mail_tab_picker_set_property; + object_class->dispose = e_mail_tab_picker_dispose; + object_class->finalize = e_mail_tab_picker_finalize; + + actor_class->paint = e_mail_tab_picker_paint; + actor_class->pick = e_mail_tab_picker_pick; + actor_class->get_preferred_width = e_mail_tab_picker_get_preferred_width; + actor_class->get_preferred_height = _e_mail_tab_picker_get_preferred_height; + actor_class->allocate = e_mail_tab_picker_allocate; + actor_class->map = e_mail_tab_picker_map; + actor_class->unmap = e_mail_tab_picker_unmap; + + g_object_class_install_property (object_class, + PROP_PREVIEW_MODE, + g_param_spec_boolean ("preview-mode", + "Preview mode", + "Whether to display " + "in preview mode.", + FALSE, + G_PARAM_READWRITE | + G_PARAM_STATIC_NAME | + G_PARAM_STATIC_NICK | + G_PARAM_STATIC_BLURB)); + + g_object_class_override_property (object_class, + PROP_DROP_ENABLED, + "drop-enabled"); + + signals[TAB_ACTIVATED] = + g_signal_new ("tab-activated", + G_TYPE_FROM_CLASS (klass), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (EMailTabPickerClass, tab_activated), + NULL, NULL, + g_cclosure_marshal_VOID__OBJECT, + G_TYPE_NONE, 1, E_MAIL_TYPE_TAB); + + signals[CHOOSER_CLICKED] = + g_signal_new ("chooser-clicked", + G_TYPE_FROM_CLASS (klass), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (EMailTabPickerClass, chooser_clicked), + NULL, NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, 0); +} + +static void +e_mail_tab_picker_chooser_clicked_cb (ClutterActor *button, + EMailTabPicker *self) +{ + g_signal_emit (self, signals[CHOOSER_CLICKED], 0); +} + +static gboolean +e_mail_tab_picker_scroll_event_cb (ClutterActor *actor, + ClutterScrollEvent *event, + gpointer user_data) +{ + EMailTabPicker *self = E_MAIL_TAB_PICKER (actor); + EMailTabPickerPrivate *priv = self->priv; + + priv->keep_current_visible = FALSE; + + switch (event->direction) + { + case CLUTTER_SCROLL_UP : + case CLUTTER_SCROLL_LEFT : + e_mail_tab_picker_scroll_to (self, priv->scroll_end - 200, 150); + break; + + case CLUTTER_SCROLL_DOWN : + case CLUTTER_SCROLL_RIGHT : + e_mail_tab_picker_scroll_to (self, priv->scroll_end + 200, 150); + break; + } + + return TRUE; +} + +static void +e_mail_tab_picker_scroll_value_cb (MxAdjustment *adjustment, + GParamSpec *pspec, + EMailTabPicker *picker) +{ + EMailTabPickerPrivate *priv = picker->priv; + gdouble value = mx_adjustment_get_value (adjustment); + + if ((gint)value != priv->scroll_offset) + { + priv->keep_current_visible = FALSE; + priv->scroll_offset = (gint)value; + clutter_actor_queue_relayout (CLUTTER_ACTOR (picker)); + } +} + +static void +e_mail_tab_picker_init (EMailTabPicker *self) +{ + EMailTabPickerPrivate *priv = self->priv = TAB_PICKER_PRIVATE (self); + + clutter_actor_set_reactive (CLUTTER_ACTOR (self), TRUE); + + priv->chooser_button = mx_button_new (); + clutter_actor_set_name (CLUTTER_ACTOR (priv->chooser_button), + "chooser-button"); + clutter_actor_set_parent (CLUTTER_ACTOR (priv->chooser_button), + CLUTTER_ACTOR (self)); + + priv->close_button = mx_button_new (); + clutter_actor_set_name (CLUTTER_ACTOR (priv->close_button), + "chooser-close-button"); + clutter_actor_set_parent (CLUTTER_ACTOR (priv->close_button), + CLUTTER_ACTOR (self)); + clutter_actor_hide (CLUTTER_ACTOR (priv->close_button)); + + priv->scroll_adjustment = mx_adjustment_new_with_values (0, 0, 0, 100, 200, 200); + priv->scroll_bar = mx_scroll_bar_new_with_adjustment (priv->scroll_adjustment); + g_object_unref (priv->scroll_adjustment); + clutter_actor_set_parent (CLUTTER_ACTOR (priv->scroll_bar), + CLUTTER_ACTOR (self)); + clutter_actor_hide (CLUTTER_ACTOR (priv->scroll_bar)); + + g_signal_connect (priv->chooser_button, "clicked", + G_CALLBACK (e_mail_tab_picker_chooser_clicked_cb), self); + g_signal_connect (priv->close_button, "clicked", + G_CALLBACK (e_mail_tab_picker_chooser_clicked_cb), self); + g_signal_connect (self, "scroll-event", + G_CALLBACK (e_mail_tab_picker_scroll_event_cb), NULL); +} + +static gint +e_mail_tab_picker_find_tab_cb (gconstpointer a, gconstpointer b) +{ + EMailTabPickerProps *props = (EMailTabPickerProps *)a; + EMailTab *tab = (EMailTab *)b; + + if (props->tab == tab) + return 0; + else + return -1; +} + +static void +e_mail_tab_picker_tab_clicked_cb (EMailTab *tab, EMailTabPicker *self) +{ + EMailTabPickerPrivate *priv = self->priv; + EMailTab *old_tab = + ((EMailTabPickerProps *)g_list_nth_data (priv->tabs, priv->current_tab))->tab; + GList *new_tab_link = g_list_find_custom (priv->tabs, tab, + e_mail_tab_picker_find_tab_cb); + + if (!new_tab_link) + return; + + priv->keep_current_visible = TRUE; + + /* If the same tab is clicked, make sure we remain active and return */ + if (tab == old_tab) + { + e_mail_tab_set_active (tab, TRUE); + if (priv->preview_mode) + g_signal_emit (self, signals[TAB_ACTIVATED], 0, tab); + return; + } + + /* Deselect old tab */ + e_mail_tab_set_active (old_tab, FALSE); + + /* Set new tab */ + priv->current_tab = g_list_position (priv->tabs, new_tab_link); + g_signal_emit (self, signals[TAB_ACTIVATED], 0, tab); +} + +ClutterActor * +e_mail_tab_picker_new (void) +{ + return g_object_new (E_MAIL_TYPE_TAB_PICKER, NULL); +} + +static void +e_mail_tab_picker_tab_drag_begin_cb (MxDraggable *draggable, + gfloat event_x, + gfloat event_y, + gint event_button, + ClutterModifierType modifiers, + EMailTabPicker *picker) +{ + EMailTabPickerPrivate *priv = picker->priv; + priv->in_drag = TRUE; + + if (!priv->preview_mode) + { + e_mail_tab_picker_set_preview_mode (picker, TRUE); + priv->drag_preview = TRUE; + } +} + +static void +e_mail_tab_picker_tab_drag_end_cb (MxDraggable *draggable, + gfloat event_x, + gfloat event_y, + EMailTabPicker *picker) +{ + EMailTabPickerPrivate *priv = picker->priv; + priv->in_drag = FALSE; + + if (priv->drag_preview) + { + e_mail_tab_picker_set_preview_mode (picker, FALSE); + priv->drag_preview = FALSE; + } +} + +void +e_mail_tab_picker_add_tab (EMailTabPicker *picker, EMailTab *tab, gint position) +{ + EMailTabPickerProps *props; + EMailTabPickerPrivate *priv = picker->priv; + + if (priv->tabs && (priv->current_tab >= position)) + priv->current_tab ++; + + props = g_slice_new (EMailTabPickerProps); + props->tab = tab; + priv->tabs = g_list_insert (priv->tabs, props, position); + priv->n_tabs ++; + + clutter_actor_set_parent (CLUTTER_ACTOR (tab), CLUTTER_ACTOR (picker)); + mx_draggable_set_axis (MX_DRAGGABLE (tab), MX_DRAG_AXIS_X); + + g_signal_connect_after (tab, "clicked", + G_CALLBACK (e_mail_tab_picker_tab_clicked_cb), picker); + g_signal_connect (tab, "drag-begin", + G_CALLBACK (e_mail_tab_picker_tab_drag_begin_cb), picker); + g_signal_connect (tab, "drag-end", + G_CALLBACK (e_mail_tab_picker_tab_drag_end_cb), picker); + + e_mail_tab_set_preview_mode (tab, priv->preview_mode); + clutter_actor_queue_relayout (CLUTTER_ACTOR (picker)); +} + +void +e_mail_tab_picker_remove_tab (EMailTabPicker *picker, EMailTab *tab) +{ + GList *tab_link; + EMailTabPickerPrivate *priv = picker->priv; + + tab_link = g_list_find_custom (priv->tabs, tab, e_mail_tab_picker_find_tab_cb); + + if (!tab_link) + return; + + g_signal_handlers_disconnect_by_func (tab, + e_mail_tab_picker_tab_clicked_cb, + picker); + g_signal_handlers_disconnect_by_func (tab, + e_mail_tab_picker_tab_drag_begin_cb, + picker); + g_signal_handlers_disconnect_by_func (tab, + e_mail_tab_picker_tab_drag_end_cb, + picker); + + /* We don't want to do this during dispose, checking if chooser_button + * exists is a way of checking if we're in dispose without keeping an + * extra variable around. + */ + if (priv->chooser_button) + { + gint position = g_list_position (priv->tabs, tab_link); + if (priv->current_tab) + { + if (priv->current_tab > position) + priv->current_tab --; + else if (priv->current_tab == position) + e_mail_tab_picker_set_current_tab (picker, priv->current_tab - 1); + } + else if (priv->tabs->next && (position == 0)) + { + e_mail_tab_picker_set_current_tab (picker, priv->current_tab + 1); + priv->current_tab --; + } + } + + g_slice_free (EMailTabPickerProps, tab_link->data); + priv->tabs = g_list_delete_link (priv->tabs, tab_link); + clutter_actor_unparent (CLUTTER_ACTOR (tab)); + priv->n_tabs --; + + clutter_actor_queue_relayout (CLUTTER_ACTOR (picker)); +} + +GList * +e_mail_tab_picker_get_tabs (EMailTabPicker *picker) +{ + GList *tab_list, *t; + + EMailTabPickerPrivate *priv = picker->priv; + + tab_list = NULL; + for (t = g_list_last (priv->tabs); t; t = t->prev) + { + EMailTabPickerProps *props = t->data; + tab_list = g_list_prepend (tab_list, props->tab); + } + + return tab_list; +} + +EMailTab * +e_mail_tab_picker_get_tab (EMailTabPicker *picker, gint tab) +{ + EMailTabPickerProps *props = g_list_nth_data (picker->priv->tabs, tab); + return props->tab; +} + +gint +e_mail_tab_picker_get_tab_no (EMailTabPicker *picker, EMailTab *tab) +{ + GList *tab_link = g_list_find_custom (picker->priv->tabs, tab, + e_mail_tab_picker_find_tab_cb); + return g_list_position (picker->priv->tabs, tab_link); +} + +gint +e_mail_tab_picker_get_current_tab (EMailTabPicker *picker) +{ + return picker->priv->current_tab; +} + +void +e_mail_tab_picker_set_current_tab (EMailTabPicker *picker, gint tab_no) +{ + EMailTabPickerPrivate *priv = picker->priv; + EMailTabPickerProps *props; + + printf("OLD %d new %d\n", priv->current_tab, tab_no); + if (priv->n_tabs == 0) + return; + + if (ABS (tab_no) >= priv->n_tabs) + return; + + if (tab_no < 0) + tab_no = priv->n_tabs + tab_no; + + props = g_list_nth_data (priv->tabs, (guint)tab_no); + + if (props) + { + e_mail_tab_picker_tab_clicked_cb (props->tab, picker); + e_mail_tab_set_active (props->tab, TRUE); + } +} + +void +e_mail_tab_picker_reorder (EMailTabPicker *picker, + gint old_position, + gint new_position) +{ + GList *link; + gpointer data; + + EMailTabPickerPrivate *priv = picker->priv; + + if (old_position == new_position) + return; + + if (!(link = g_list_nth (priv->tabs, old_position))) + return; + + data = link->data; + priv->tabs = g_list_delete_link (priv->tabs, link); + priv->tabs = g_list_insert (priv->tabs, data, new_position); + + if (priv->current_tab == old_position) + { + if (new_position < 0) + priv->current_tab = priv->n_tabs - 1; + else + priv->current_tab = CLAMP (new_position, 0, priv->n_tabs - 1); + } + else if ((priv->current_tab > old_position) && + (new_position >= priv->current_tab)) + priv->current_tab --; + else if ((priv->current_tab < old_position) && + (new_position <= priv->current_tab)) + priv->current_tab ++; + + clutter_actor_queue_relayout (CLUTTER_ACTOR (picker)); +} + +gint +e_mail_tab_picker_get_n_tabs (EMailTabPicker *picker) +{ + return picker->priv->n_tabs; +} + +static void +preview_new_frame_cb (ClutterTimeline *timeline, + guint msecs, + EMailTabPicker *picker) +{ + picker->priv->preview_progress = clutter_timeline_get_progress (timeline); + clutter_actor_queue_relayout (CLUTTER_ACTOR (picker)); +} + +static void +preview_completed_cb (ClutterTimeline *timeline, + EMailTabPicker *picker) +{ + EMailTabPickerPrivate *priv = picker->priv; + + if (priv->preview_timeline) + { + g_object_unref (priv->preview_timeline); + priv->preview_timeline = NULL; + + if (priv->preview_mode) + { + priv->preview_progress = 1.0; + clutter_actor_hide (CLUTTER_ACTOR (priv->chooser_button)); + } + else + { + priv->preview_progress = 0.0; + clutter_actor_hide (CLUTTER_ACTOR (priv->scroll_bar)); + clutter_actor_hide (CLUTTER_ACTOR (priv->close_button)); + } + clutter_actor_queue_relayout (CLUTTER_ACTOR (picker)); + } +} + +void +e_mail_tab_picker_set_preview_mode (EMailTabPicker *picker, gboolean preview) +{ + GList *t; + + EMailTabPickerPrivate *priv = picker->priv; + + if (priv->preview_mode == preview) + return; + + priv->preview_mode = preview; + + /* Put all tabs in preview mode */ + for (t = priv->tabs; t; t = t->next) + { + EMailTabPickerProps *prop = t->data; + e_mail_tab_set_preview_mode (prop->tab, preview); + } + + /* Slide in the scroll-bar */ + if (!priv->preview_timeline) + { + if (preview) + clutter_actor_show (CLUTTER_ACTOR (priv->scroll_bar)); + + priv->preview_timeline = clutter_timeline_new (150); + g_signal_connect (priv->preview_timeline, "new-frame", + G_CALLBACK (preview_new_frame_cb), picker); + g_signal_connect (priv->preview_timeline, "completed", + G_CALLBACK (preview_completed_cb), picker); + clutter_timeline_start (priv->preview_timeline); + } + clutter_timeline_set_direction (priv->preview_timeline, + preview ? CLUTTER_TIMELINE_FORWARD : + CLUTTER_TIMELINE_BACKWARD); + + /* Connect/disconnect the scrollbar */ + if (preview) + g_signal_connect (priv->scroll_adjustment, "notify::value", + G_CALLBACK (e_mail_tab_picker_scroll_value_cb), picker); + else + g_signal_handlers_disconnect_by_func (priv->scroll_adjustment, + e_mail_tab_picker_scroll_value_cb, + picker); + + if (preview) + { + /* Fade out the chooser button show close button */ + clutter_actor_animate (CLUTTER_ACTOR (priv->chooser_button), + CLUTTER_EASE_IN_OUT_QUAD, 150, + "opacity", 0x00, + NULL); + clutter_actor_show (CLUTTER_ACTOR (priv->close_button)); + } + else + { + /* Fade in the chooser button */ + clutter_actor_show (CLUTTER_ACTOR (priv->chooser_button)); + clutter_actor_animate (CLUTTER_ACTOR (priv->chooser_button), + CLUTTER_EASE_IN_OUT_QUAD, 150, + "opacity", 0xff, + NULL); + } + clutter_actor_set_reactive (CLUTTER_ACTOR (priv->chooser_button), !preview); + + /* Remove the hover state, which likely got stuck when we clicked it */ + if (!preview) + mx_stylable_set_style_pseudo_class (MX_STYLABLE (priv->chooser_button), + NULL); + + g_object_notify (G_OBJECT (picker), "preview-mode"); +} + +gboolean +e_mail_tab_picker_get_preview_mode (EMailTabPicker *picker) +{ + EMailTabPickerPrivate *priv = picker->priv; + return priv->preview_mode; +} + +void +e_mail_tab_picker_enable_drop (EMailTabPicker *picker, gboolean enable) +{ + EMailTabPickerPrivate *priv = picker->priv; + + if (priv->drop_enabled == enable) + return; + + priv->drop_enabled = enable; + if (enable) + mx_droppable_enable (MX_DROPPABLE (picker)); + else + mx_droppable_disable (MX_DROPPABLE (picker)); + + g_object_notify (G_OBJECT (picker), "enabled"); +} + |