[gnome-photos/wip/rishi/edit-mode: 4/29] Add a new mode for Edit

[Debarshi Ray <debarshir src gnome org>]

commit af3702fdaab6f371cb3ab50db8262cf03c453436
Author: Debarshi Ray <debarshir gnome org>
Date:   Thu Mar 26 10:28:28 2015 +0100

    Add a new mode for Edit

 src/photos-embed.c             |    4 ++++
 src/photos-empty-results-box.c |    2 ++
 src/photos-item-manager.c      |   33 +++++++++++++++++++--------------
 src/photos-item-manager.h      |    1 +
 src/photos-main-window.c       |    2 ++
 src/photos-preview-view.c      |    1 +
 src/photos-view-container.c    |    1 +
 src/photos-view-model.c        |    1 +
 8 files changed, 31 insertions(+), 14 deletions(-)
---
diff --git a/src/photos-embed.c b/src/photos-embed.c
index b04909e..a3f8966 100644
--- a/src/photos-embed.c
+++ b/src/photos-embed.c
@@ -166,6 +166,7 @@ photos_embed_get_view_container_from_mode (PhotosEmbed *self, PhotosWindowMode m
       break;
 
     case PHOTOS_WINDOW_MODE_NONE:
+    case PHOTOS_WINDOW_MODE_EDIT:
     case PHOTOS_WINDOW_MODE_PREVIEW:
     default:
       g_assert_not_reached ();
@@ -592,6 +593,9 @@ photos_embed_window_mode_changed (PhotosModeController *mode_cntrlr,
 
   switch (mode)
     {
+    case PHOTOS_WINDOW_MODE_EDIT:
+      break;
+
     case PHOTOS_WINDOW_MODE_COLLECTIONS:
       photos_embed_prepare_for_collections (self, old_mode);
       goto set_toolbar_model;
diff --git a/src/photos-empty-results-box.c b/src/photos-empty-results-box.c
index 80c53ae..42dda65 100644
--- a/src/photos-empty-results-box.c
+++ b/src/photos-empty-results-box.c
@@ -193,6 +193,7 @@ photos_empty_results_box_constructed (GObject *object)
       break;
 
     case PHOTOS_WINDOW_MODE_NONE:
+    case PHOTOS_WINDOW_MODE_EDIT:
     case PHOTOS_WINDOW_MODE_PREVIEW:
     default:
       g_assert_not_reached ();
@@ -237,6 +238,7 @@ photos_empty_results_box_constructed (GObject *object)
       break;
 
     case PHOTOS_WINDOW_MODE_NONE:
+    case PHOTOS_WINDOW_MODE_EDIT:
     case PHOTOS_WINDOW_MODE_PREVIEW:
     default:
       g_assert_not_reached ();
diff --git a/src/photos-item-manager.c b/src/photos-item-manager.c
index 09d1226..c000456 100644
--- a/src/photos-item-manager.c
+++ b/src/photos-item-manager.c
@@ -693,7 +693,8 @@ photos_mode_controller_go_back (PhotosModeController *self)
     old_mode = PHOTOS_WINDOW_MODE_OVERVIEW;
 
   g_return_if_fail (old_mode != PHOTOS_WINDOW_MODE_NONE);
-  g_return_if_fail (old_mode != PHOTOS_WINDOW_MODE_PREVIEW);
+  g_return_if_fail (old_mode != PHOTOS_WINDOW_MODE_PREVIEW
+                    || (self->mode == PHOTOS_WINDOW_MODE_EDIT && old_mode == PHOTOS_WINDOW_MODE_PREVIEW));
 
   g_queue_pop_head (self->history);
 
@@ -710,7 +711,7 @@ photos_mode_controller_go_back (PhotosModeController *self)
       PHOTOS_BASE_MANAGER_CLASS (photos_item_manager_parent_class)
         ->set_active_object (PHOTOS_BASE_MANAGER (self), (GObject *) self->active_collection);
     }
-  else
+  else if (old_mode != PHOTOS_WINDOW_MODE_EDIT)
     {
       photos_item_manager_collection_path_free (self);
       self->collection_path = g_queue_new ();
@@ -753,7 +754,8 @@ photos_mode_controller_set_window_mode (PhotosModeController *self, PhotosWindow
 
   g_return_if_fail (mode != PHOTOS_WINDOW_MODE_NONE);
   g_return_if_fail (mode != PHOTOS_WINDOW_MODE_PREVIEW);
-  g_return_if_fail (self->mode != PHOTOS_WINDOW_MODE_PREVIEW);
+  g_return_if_fail (self->mode != PHOTOS_WINDOW_MODE_PREVIEW
+                    || (self->mode == PHOTOS_WINDOW_MODE_PREVIEW && mode == PHOTOS_WINDOW_MODE_EDIT));
 
   if (!photos_item_manager_set_window_mode_internal (self, mode, &old_mode))
     return;
@@ -761,20 +763,23 @@ photos_mode_controller_set_window_mode (PhotosModeController *self, PhotosWindow
   photos_item_manager_update_fullscreen (self);
   photos_item_manager_clear_active_item_load (self);
 
-  photos_item_manager_collection_path_free (self);
-  self->collection_path = g_queue_new ();
-
-  if (self->active_collection != NULL)
+  if (mode != PHOTOS_WINDOW_MODE_EDIT)
     {
-      g_clear_object (&self->active_collection);
-      active_collection_changed = TRUE;
-    }
+      photos_item_manager_collection_path_free (self);
+      self->collection_path = g_queue_new ();
 
-  PHOTOS_BASE_MANAGER_CLASS (photos_item_manager_parent_class)
-    ->set_active_object (PHOTOS_BASE_MANAGER (self), NULL);
+      if (self->active_collection != NULL)
+        {
+          g_clear_object (&self->active_collection);
+          active_collection_changed = TRUE;
+        }
 
-  if (active_collection_changed)
-    g_signal_emit (self, signals[ACTIVE_COLLECTION_CHANGED], 0, self->active_collection);
+      PHOTOS_BASE_MANAGER_CLASS (photos_item_manager_parent_class)
+        ->set_active_object (PHOTOS_BASE_MANAGER (self), NULL);
+
+      if (active_collection_changed)
+        g_signal_emit (self, signals[ACTIVE_COLLECTION_CHANGED], 0, self->active_collection);
+    }
 
   g_signal_emit (self, signals[WINDOW_MODE_CHANGED], 0, mode, old_mode);
 }
diff --git a/src/photos-item-manager.h b/src/photos-item-manager.h
index 69a8fe8..0e8ca14 100644
--- a/src/photos-item-manager.h
+++ b/src/photos-item-manager.h
@@ -58,6 +58,7 @@ typedef enum
 {
   PHOTOS_WINDOW_MODE_NONE,
   PHOTOS_WINDOW_MODE_COLLECTIONS,
+  PHOTOS_WINDOW_MODE_EDIT,
   PHOTOS_WINDOW_MODE_FAVORITES,
   PHOTOS_WINDOW_MODE_OVERVIEW,
   PHOTOS_WINDOW_MODE_PREVIEW,
diff --git a/src/photos-main-window.c b/src/photos-main-window.c
index 075de5e..76b8343 100644
--- a/src/photos-main-window.c
+++ b/src/photos-main-window.c
@@ -175,6 +175,7 @@ photos_main_window_go_back (PhotosMainWindow *self)
       break;
 
     case PHOTOS_WINDOW_MODE_NONE:
+    case PHOTOS_WINDOW_MODE_EDIT:
     case PHOTOS_WINDOW_MODE_OVERVIEW:
     default:
       handled = FALSE;
@@ -284,6 +285,7 @@ photos_main_window_key_press_event (GtkWidget *widget, GdkEventKey *event)
   switch (mode)
     {
     case PHOTOS_WINDOW_MODE_NONE:
+    case PHOTOS_WINDOW_MODE_EDIT:
       handled = GDK_EVENT_PROPAGATE;
       break;
 
diff --git a/src/photos-preview-view.c b/src/photos-preview-view.c
index bf0dc28..6331cdc 100644
--- a/src/photos-preview-view.c
+++ b/src/photos-preview-view.c
@@ -165,6 +165,7 @@ photos_preview_view_window_mode_changed (PhotosPreviewView *self, PhotosWindowMo
   switch (mode)
     {
     case PHOTOS_WINDOW_MODE_COLLECTIONS:
+    case PHOTOS_WINDOW_MODE_EDIT:
     case PHOTOS_WINDOW_MODE_FAVORITES:
     case PHOTOS_WINDOW_MODE_OVERVIEW:
     case PHOTOS_WINDOW_MODE_SEARCH:
diff --git a/src/photos-view-container.c b/src/photos-view-container.c
index cb1f85f..fbd891f 100644
--- a/src/photos-view-container.c
+++ b/src/photos-view-container.c
@@ -334,6 +334,7 @@ photos_view_container_constructed (GObject *object)
       break;
 
     case PHOTOS_WINDOW_MODE_NONE:
+    case PHOTOS_WINDOW_MODE_EDIT:
     case PHOTOS_WINDOW_MODE_PREVIEW:
     default:
       g_assert_not_reached ();
diff --git a/src/photos-view-model.c b/src/photos-view-model.c
index c5a3388..a23d921 100644
--- a/src/photos-view-model.c
+++ b/src/photos-view-model.c
@@ -398,6 +398,7 @@ photos_view_model_constructed (GObject *object)
       break;
 
     case PHOTOS_WINDOW_MODE_NONE:
+    case PHOTOS_WINDOW_MODE_EDIT:
     case PHOTOS_WINDOW_MODE_PREVIEW:
     default:
       g_assert_not_reached ();