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[evolution/tab-rewrite] More changes and modifications.

commit cfe55cde8b2ded2e0bdf4bc27584815541de5edf
Author: Srinivasa Ragavan <sragavan gnome org>
Date:   Thu Jul 8 17:10:49 2010 +0530

    More changes and modifications.

 mail/e-mail-paned-view.c |  522 +++++++++++++++++++++++++++++++++++++++++++++-
 mail/e-mail-paned-view.h |    3 +
 mail/e-mail-view.c       |   55 +++++
 mail/e-mail-view.h       |    3 +
 4 files changed, 580 insertions(+), 3 deletions(-)
---
diff --git a/mail/e-mail-paned-view.c b/mail/e-mail-paned-view.c
index 755bf81..3840c79 100644
--- a/mail/e-mail-paned-view.c
+++ b/mail/e-mail-paned-view.c
@@ -29,14 +29,57 @@
 #include <glib/gi18n.h>
 #include "e-mail-pane.h"
 
+#include "e-util/e-util-private.h"
+#include "e-util/e-binding.h"
+#include "e-util/gconf-bridge.h"
+#include "widgets/menus/gal-view-etable.h"
+#include "widgets/menus/gal-view-instance.h"
+#include "widgets/misc/e-paned.h"
+#include "widgets/misc/e-preview-pane.h"
+#include "widgets/misc/e-search-bar.h"
+
+#include "em-utils.h"
+#include "mail-config.h"
+#include "mail-ops.h"
+#include "message-list.h"
 
 G_DEFINE_TYPE (EMailPanedView, e_mail_paned_view, GTK_TYPE_VBOX)
 
+struct _EMailPanePrivate {
+	GtkWidget *paned;
+	GtkWidget *scrolled_window;
+	GtkWidget *message_list;
+	GtkWidget *search_bar;
+
+	EMFormatHTMLDisplay *formatter;
+	GalViewInstance *view_instance;
+	GtkOrientation orientation;
+
+	/* ETable scrolling hack */
+	gdouble default_scrollbar_position;
+
+	guint paned_binding_id;
+
+	/* Signal handler IDs */
+	guint message_list_built_id;
+
+	guint preview_visible	: 1;
+	guint show_deleted	: 1;
+};
+
 enum {
 	PANE_CLOSE,
 	LAST_SIGNAL
 };
 
+enum {
+	PROP_0,
+	PROP_GROUP_BY_THREADS,
+	PROP_ORIENTATION,
+	PROP_PREVIEW_VISIBLE,
+	PROP_SHOW_DELETED
+};
+
 static guint signals[LAST_SIGNAL] = { 0 };
 
 static void
@@ -46,11 +89,145 @@ e_mail_paned_view_init (EMailPanedView  *shell)
 }
 
 static void
-e_mail_paned_view_finalize (GObject *object)
+mail_paned_view_dispose (GObject *object)
 {
-	/* EMailPanedView *shell = (EMailPanedView *)object; */
+	EMailPanedViewPrivate *priv;
+
+	priv = E_MAIL_PANED_VIEW(object)->priv;
+
+	if (priv->paned != NULL) {
+		g_object_unref (priv->paned);
+		priv->paned = NULL;
+	}
+
+	if (priv->scrolled_window != NULL) {
+		g_object_unref (priv->scrolled_window);
+		priv->scrolled_window = NULL;
+	}
+
+	if (priv->message_list != NULL) {
+		g_object_unref (priv->message_list);
+		priv->message_list = NULL;
+	}
+
+	if (priv->search_bar != NULL) {
+		g_object_unref (priv->search_bar);
+		priv->search_bar = NULL;
+	}
+
+	if (priv->formatter != NULL) {
+		g_object_unref (priv->formatter);
+		priv->formatter = NULL;
+	}
+
+	if (priv->view_instance != NULL) {
+		g_object_unref (priv->view_instance);
+		priv->view_instance = NULL;
+	}
+
+	/* Chain up to parent's dispose() method. */
+	G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+static void
+mail_paned_view_constructed (GObject *object)
+{
+	EMailPanedViewPrivate *priv;
+	EShellContent *shell_content;
+	EShellBackend *shell_backend;
+	EShellWindow *shell_window;
+	EShellView *shell_view;
+	ESearchBar *search_bar;
+	EMailReader *reader;
+	GtkWidget *message_list;
+	GtkWidget *container;
+	GtkWidget *widget;
+	EWebView *web_view;
+
+	priv = E_MAIL_PANED_VIEW (object)->priv;
+	priv->formatter = em_format_html_display_new ();
+
+	/* Chain up to parent's constructed() method. */
+	G_OBJECT_CLASS (parent_class)->constructed (object);
+
+	shell_content = E_MAIL_VIEW (object)->content;
+	shell_view = e_shell_content_get_shell_view (shell_content);
+	shell_window = e_shell_view_get_shell_window (shell_view);
+	shell_backend = e_shell_view_get_shell_backend (shell_view);
+
+	web_view = em_format_html_get_web_view (
+		EM_FORMAT_HTML (priv->formatter));
+
+	/* Build content widgets. */
+
+	container = GTK_WIDGET (object);
+
+	widget = e_paned_new (GTK_ORIENTATION_VERTICAL);
+	gtk_container_add (GTK_CONTAINER (container), widget);
+	priv->paned = g_object_ref (widget);
+	gtk_widget_show (widget);
+
+	e_binding_new (object, "orientation", widget, "orientation");
+
+	container = priv->paned;
+
+	widget = gtk_scrolled_window_new (NULL, NULL);
+	gtk_scrolled_window_set_policy (
+		GTK_SCROLLED_WINDOW (widget),
+		GTK_POLICY_NEVER, GTK_POLICY_ALWAYS);
+	gtk_scrolled_window_set_shadow_type (
+		GTK_SCROLLED_WINDOW (widget), GTK_SHADOW_IN);
+	priv->scrolled_window = g_object_ref (widget);
+	gtk_paned_pack1 (GTK_PANED (container), widget, TRUE, FALSE);
+	gtk_widget_show (widget);
+
+	container = widget;
+
+	widget = message_list_new (shell_backend);
+	gtk_container_add (GTK_CONTAINER (container), widget);
+	priv->message_list = g_object_ref (widget);
+	gtk_widget_show (widget);
 
-	G_OBJECT_CLASS (e_mail_paned_view_parent_class)->finalize (object);
+	container = priv->paned;
+
+	gtk_widget_show (GTK_WIDGET (web_view));
+
+	widget = e_preview_pane_new (web_view);
+	gtk_paned_pack2 (GTK_PANED (container), widget, FALSE, FALSE);
+	gtk_widget_show (widget);
+
+	e_binding_new (object, "preview-visible", widget, "visible");
+
+	search_bar = e_preview_pane_get_search_bar (E_PREVIEW_PANE (widget));
+	priv->search_bar = g_object_ref (search_bar);
+
+	g_signal_connect_swapped (
+		search_bar, "changed",
+		G_CALLBACK (em_format_redraw), priv->formatter);
+
+	/* Load the view instance. */
+
+	e_mail_shell_content_update_view_instance (
+		E_MAIL_SHELL_CONTENT (shell_content));
+
+	/* Message list customizations. */
+
+	reader = E_MAIL_READER (shell_content);
+	message_list = e_mail_reader_get_message_list (reader);
+
+	g_signal_connect_swapped (
+		message_list, "message-selected",
+		G_CALLBACK (mail_shell_content_message_selected_cb),
+		shell_content);
+
+	/* Restore pane positions from the last session once
+	 * the shell view is fully initialized and visible. */
+	g_signal_connect (
+		shell_window, "shell-view-created::mail",
+		G_CALLBACK (mail_shell_content_restore_state_cb),
+		shell_content);
+
+	e_mail_reader_connect_headers (reader);
 }
 
 static void
@@ -60,6 +237,9 @@ e_mail_paned_view_class_init (EMailPanedViewClass *klass)
 
 	e_mail_paned_view_parent_class = g_type_class_peek_parent (klass);
 	object_class->finalize = e_mail_paned_view_finalize;
+	object_class->dispose = mail_paned_view_dispose;
+	object_class->constructed = mail_paned_view_constructed;
+
 
 	signals[PANE_CLOSE] =
 		g_signal_new ("pane-close",
@@ -70,6 +250,342 @@ e_mail_paned_view_class_init (EMailPanedViewClass *klass)
 			      g_cclosure_marshal_VOID__VOID,
 			      G_TYPE_NONE, 0);
 
+
+	/* Inherited from EMailReader */
+	g_object_class_override_property (
+		object_class,
+		PROP_GROUP_BY_THREADS,
+		"group-by-threads");
+
+	g_object_class_install_property (
+		object_class,
+		PROP_PREVIEW_VISIBLE,
+		g_param_spec_boolean (
+			"preview-visible",
+			"Preview is Visible",
+			"Whether the preview pane is visible",
+			TRUE,
+			G_PARAM_READWRITE));
+
+	g_object_class_install_property (
+		object_class,
+		PROP_SHOW_DELETED,
+		g_param_spec_boolean (
+			"show-deleted",
+			"Show Deleted",
+			NULL,
+			FALSE,
+			G_PARAM_READWRITE));
+
+	g_object_class_override_property (
+		object_class, PROP_ORIENTATION, "orientation");
 }
 
+static void
+mail_pane_reader_init (EMailReaderIface *iface)
+{
+	iface->get_action_group = mail_pane_get_action_group;
+	iface->get_formatter = mail_pane_get_formatter;
+	iface->get_hide_deleted = mail_pane_get_hide_deleted;
+	iface->get_message_list = mail_pane_get_message_list;
+	iface->get_popup_menu = mail_pane_get_popup_menu;
+	iface->get_shell_backend = mail_pane_get_shell_backend;
+	iface->get_window = mail_pane_get_window;
+	iface->set_folder = mail_pane_set_folder;
+	iface->show_search_bar = mail_pane_show_search_bar;
+}
+
+GtkWidget *
+e_mail_paned_view_new (EShellContent *content)
+{
+	g_return_val_if_fail (E_IS_SHELL_CONTENT (content), NULL);
+
+	return g_object_new (
+		E_TYPE_MAIL_PANED_VIEW,
+		"shell-content", content, NULL);
+}
+
+gboolean
+e_mail_paned_view_get_preview_visible (EMailPanedView *view)
+{
+	g_return_val_if_fail (
+		E_IS_MAIL_PANED_VIEW (view), FALSE);
+
+	return view->priv->preview_visible;
+}
+
+void
+e_mail_paned_view_set_preview_visible (EMailPanedView *view,
+                                          gboolean preview_visible)
+{
+	g_return_if_fail (E_IS_MAIL_PANED_VIEW (view));
+
+	if (preview_visible == view->priv->preview_visible)
+		return;
+
+	/* If we're showing the preview, tell EMailReader to reload the
+	 * selected message.  This should force it to download the full
+	 * message if necessary, so we don't get an empty preview. */
+	if (preview_visible) {
+		EMailReader *reader;
+		GtkWidget *message_list;
+		const gchar *cursor_uid;
+
+		reader = E_MAIL_READER (view);
+		message_list = e_mail_reader_get_message_list (reader);
+		cursor_uid = MESSAGE_LIST (message_list)->cursor_uid;
+
+		if (cursor_uid != NULL)
+			e_mail_reader_set_message (reader, cursor_uid);
+	}
+
+	view->priv->preview_visible = preview_visible;
 
+	mail_paned_view_save_boolean (
+		view,
+		STATE_KEY_PREVIEW_VISIBLE, preview_visible);
+
+	g_object_notify (G_OBJECT (view), "preview-visible");
+}
+
+EShellSearchbar *
+e_mail_paned_view_get_searchbar (EMailPanedView *view)
+{
+	EShellView *shell_view;
+	EShellContent *shell_content;
+	GtkWidget *widget;
+
+	g_return_val_if_fail (
+		E_IS_MAIL_PANED_VIEW (view), NULL);
+
+	shell_content = E_PANED_VIEW (view)->content;
+	shell_view = e_shell_content_get_shell_view (shell_content);
+	widget = e_shell_view_get_searchbar (shell_view);
+
+	return E_SHELL_SEARCHBAR (widget);
+}
+
+gboolean
+e_mail_paned_view_get_show_deleted (EMailPanedView *view)
+{
+	g_return_val_if_fail (
+		E_IS_MAIL_PANED_VIEW (view), FALSE);
+
+	return view->priv->show_deleted;
+}
+
+void
+e_mail_paned_view_set_show_deleted (EMailPanedView *view,
+                                       gboolean show_deleted)
+{
+	g_return_if_fail (E_IS_MAIL_PANED_VIEW (view));
+
+	view->priv->show_deleted = show_deleted;
+
+	g_object_notify (G_OBJECT (view), "show-deleted");
+}
+
+GalViewInstance *
+e_mail_paned_view_get_view_instance (EMailPanedView *view)
+{
+	g_return_val_if_fail (
+		E_IS_MAIL_PANED_VIEW (view), NULL);
+
+	return view->priv->view_instance;
+}
+
+void
+e_mail_paned_view_set_search_strings (EmailPanedView *view,
+                                         GSList *search_strings)
+{
+	ESearchBar *search_bar;
+	ESearchingTokenizer *tokenizer;
+
+	g_return_if_fail (E_IS_MAIL_PANED_VIEW (view));
+
+	search_bar = E_SEARCH_BAR (view->priv->search_bar);
+	tokenizer = e_search_bar_get_tokenizer (search_bar);
+
+	e_searching_tokenizer_set_secondary_case_sensitivity (tokenizer, FALSE);
+	e_searching_tokenizer_set_secondary_search_string (tokenizer, NULL);
+
+	while (search_strings != NULL) {
+		e_searching_tokenizer_add_secondary_search_string (
+			tokenizer, search_strings->data);
+		search_strings = g_slist_next (search_strings);
+	}
+
+	e_search_bar_changed (search_bar);
+}
+
+static void
+mail_paned_display_view_cb (EMailPanedView *view,
+                                    GalView *gal_view)
+{
+	EMailReader *reader;
+	GtkWidget *message_list;
+
+	reader = E_MAIL_READER (view);
+	message_list = e_mail_reader_get_message_list (reader);
+
+	if (GAL_IS_VIEW_ETABLE (gal_view))
+		gal_view_etable_attach_tree (
+			GAL_VIEW_ETABLE (gal_view),
+			E_TREE (message_list));
+}
+
+void
+e_mail_shell_content_update_view_instance (EMailPanedView *view)
+{
+	EMailReader *reader;
+	EShell *shell;
+	EShellContent *shell_content;
+	EShellView *shell_view;
+	EShellWindow *shell_window;
+	EShellViewClass *shell_view_class;
+	EShellSettings *shell_settings;
+	GalViewCollection *view_collection;
+	GalViewInstance *view_instance;
+	CamelFolder *folder;
+	GtkOrientable *orientable;
+	GtkOrientation orientation;
+	gboolean outgoing_folder;
+	gboolean show_vertical_view;
+	const gchar *folder_uri;
+	gchar *view_id;
+
+	g_return_if_fail (E_IS_MAIL_SHELL_CONTENT (mail_shell_content));
+
+	shell_content = E_MAIL_VIEW(view)->content;
+	shell_view = e_shell_content_get_shell_view (shell_content);
+	shell_view_class = E_SHELL_VIEW_GET_CLASS (shell_view);
+	view_collection = shell_view_class->view_collection;
+
+	shell_window = e_shell_view_get_shell_window (shell_view);
+	shell = e_shell_window_get_shell (shell_window);
+	shell_settings = e_shell_get_shell_settings (shell);
+
+	reader = E_MAIL_READER (view);
+	folder = e_mail_reader_get_folder (reader);
+	folder_uri = e_mail_reader_get_folder_uri (reader);
+
+	/* If no folder is selected, return silently. */
+	if (folder == NULL)
+		return;
+
+	/* If we have a folder, we should also have a URI. */
+	g_return_if_fail (folder_uri != NULL);
+
+	if (view->priv->view_instance != NULL) {
+		g_object_unref (view->priv->view_instance);
+		view->priv->view_instance = NULL;
+	}
+
+	view_id = mail_config_folder_to_safe_url (folder);
+	if (e_shell_settings_get_boolean (shell_settings, "mail-global-view-setting"))
+		view_instance = e_shell_view_new_view_instance (shell_view, "global_view_setting");
+	else
+		view_instance = e_shell_view_new_view_instance (shell_view, view_id);
+
+	view->priv->view_instance = view_instance;
+
+	orientable = GTK_ORIENTABLE (view);
+	orientation = gtk_orientable_get_orientation (orientable);
+	show_vertical_view = (orientation == GTK_ORIENTATION_HORIZONTAL);
+
+	if (show_vertical_view) {
+		gchar *filename;
+		gchar *safe_view_id;
+
+		/* Force the view instance into vertical view. */
+
+		g_free (view_instance->custom_filename);
+		g_free (view_instance->current_view_filename);
+
+		safe_view_id = g_strdup (view_id);
+		e_filename_make_safe (safe_view_id);
+
+		filename = g_strdup_printf (
+			"custom_wide_view-%s.xml", safe_view_id);
+		view_instance->custom_filename = g_build_filename (
+			view_collection->local_dir, filename, NULL);
+		g_free (filename);
+
+		filename = g_strdup_printf (
+			"current_wide_view-%s.xml", safe_view_id);
+		view_instance->current_view_filename = g_build_filename (
+			view_collection->local_dir, filename, NULL);
+		g_free (filename);
+
+		g_free (safe_view_id);
+	}
+
+	g_free (view_id);
+
+	outgoing_folder =
+		em_utils_folder_is_drafts (folder, folder_uri) ||
+		em_utils_folder_is_outbox (folder, folder_uri) ||
+		em_utils_folder_is_sent (folder, folder_uri);
+
+	if (outgoing_folder) {
+		if (show_vertical_view)
+			gal_view_instance_set_default_view (
+				view_instance, "Wide_View_Sent");
+		else
+			gal_view_instance_set_default_view (
+				view_instance, "As_Sent_Folder");
+	} else if (show_vertical_view) {
+		gal_view_instance_set_default_view (
+			view_instance, "Wide_View_Normal");
+	}
+
+	gal_view_instance_load (view_instance);
+
+	if (!gal_view_instance_exists (view_instance)) {
+		gchar *state_filename;
+
+		state_filename = mail_config_folder_to_cachename (
+			folder, "et-header-");
+
+		if (g_file_test (state_filename, G_FILE_TEST_IS_REGULAR)) {
+			ETableSpecification *spec;
+			ETableState *state;
+			GalView *view;
+			gchar *spec_filename;
+
+			spec = e_table_specification_new ();
+			spec_filename = g_build_filename (
+				EVOLUTION_ETSPECDIR,
+				"message-list.etspec",
+				NULL);
+			e_table_specification_load_from_file (
+				spec, spec_filename);
+			g_free (spec_filename);
+
+			state = e_table_state_new ();
+			view = gal_view_etable_new (spec, "");
+
+			e_table_state_load_from_file (
+				state, state_filename);
+			gal_view_etable_set_state (
+				GAL_VIEW_ETABLE (view), state);
+			gal_view_instance_set_custom_view (
+				view_instance, view);
+
+			g_object_unref (state);
+			g_object_unref (view);
+			g_object_unref (spec);
+		}
+
+		g_free (state_filename);
+	}
+
+	g_signal_connect_swapped (
+		view_instance, "display-view",
+		G_CALLBACK (mail_paned_display_view_cb),
+		view);
+
+	mail_paned_display_view_cb (
+		view,
+		gal_view_instance_get_current_view (view_instance));
+}
diff --git a/mail/e-mail-paned-view.h b/mail/e-mail-paned-view.h
index 05bfd60..47ead95 100644
--- a/mail/e-mail-paned-view.h
+++ b/mail/e-mail-paned-view.h
@@ -47,4 +47,7 @@ typedef struct _EMailPanedViewClass {
 
 } EMailPanedViewClass;
 
+GtkWidget *
+e_mail_paned_view_new (EShellContent *content);
+
 #endif
diff --git a/mail/e-mail-view.c b/mail/e-mail-view.c
index a5ff760..dd99f93 100644
--- a/mail/e-mail-view.c
+++ b/mail/e-mail-view.c
@@ -37,6 +37,11 @@ enum {
 	LAST_SIGNAL
 };
 
+enum {
+	PROP_0,
+	PROP_SHELL_VIEW
+};
+
 static guint signals[LAST_SIGNAL] = { 0 };
 
 static void
@@ -54,12 +59,47 @@ e_mail_view_finalize (GObject *object)
 }
 
 static void
+mail_view_set_property (GObject *object,
+                            guint property_id,
+                            const GValue *value,
+                            GParamSpec *pspec)
+{
+	switch (property_id) {
+		case PROP_SHELL_VIEW:
+		        E_MAIL_VIEW(object)->content = g_value_get_object (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_SHELL_VIEW:
+			g_value_set_object (
+			    value, E_MAIL_VIEW(object)->content);
+			
+			return;
+	}
+
+	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
 e_mail_view_class_init (EMailViewClass *klass)
 {
 	GObjectClass * object_class = G_OBJECT_CLASS (klass);
 
 	e_mail_view_parent_class = g_type_class_peek_parent (klass);
 	object_class->finalize = e_mail_view_finalize;
+	object_class->set_property = mail_view_set_property;
+	object_class->get_property = mail_view_get_property;
 
 	signals[PANE_CLOSE] =
 		g_signal_new ("pane-close",
@@ -69,6 +109,21 @@ e_mail_view_class_init (EMailViewClass *klass)
 			      NULL, NULL,
 			      g_cclosure_marshal_VOID__VOID,
 			      G_TYPE_NONE, 0);
+	/**
+	 * EMailView:shell-content
+	 *
+	 * The #EShellContent to which the widget belongs.
+	 **/
+	g_object_class_install_property (
+		object_class,
+		PROP_SHELL_VIEW,
+		g_param_spec_object (
+			"shell-content",
+			NULL,
+			NULL,
+			E_TYPE_SHELL_CONTENT,
+			G_PARAM_READWRITE |
+			G_PARAM_CONSTRUCT_ONLY));
 
 }
 
diff --git a/mail/e-mail-view.h b/mail/e-mail-view.h
index 04ae6e2..93a076d 100644
--- a/mail/e-mail-view.h
+++ b/mail/e-mail-view.h
@@ -24,6 +24,8 @@
 #define _E_MAIL_VIEW_H_
 
 #include <gtk/gtk.h>
+#include <shell/e-shell-content.h>
+
 
 #define E_MAIL_VIEW_TYPE        (e_mail_view_get_type ())
 #define E_MAIL_VIEW(o)          (G_TYPE_CHECK_INSTANCE_CAST ((o), E_MAIL_VIEW_TYPE, MailFolderView))
@@ -39,6 +41,7 @@ typedef struct _EMailView {
 	GtkVBox parent;
 
 	EMailViewPrivate *priv;
+        EShellContent *content;
 } EMailView;
 
 typedef struct _EMailViewClass {
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