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-rw-r--r--modules/composer-autosave/Makefile.am28
-rw-r--r--modules/composer-autosave/e-autosave-utils.c499
-rw-r--r--modules/composer-autosave/e-autosave-utils.h48
-rw-r--r--modules/composer-autosave/e-composer-autosave.c227
-rw-r--r--modules/composer-autosave/e-composer-registry.c236
-rw-r--r--modules/composer-autosave/evolution-composer-autosave.c40
-rw-r--r--modules/mail/e-mail-shell-backend.c8
7 files changed, 1078 insertions, 8 deletions
diff --git a/modules/composer-autosave/Makefile.am b/modules/composer-autosave/Makefile.am
new file mode 100644
index 0000000000..0b802e11bf
--- /dev/null
+++ b/modules/composer-autosave/Makefile.am
@@ -0,0 +1,28 @@
+module_LTLIBRARIES = libevolution-module-composer-autosave.la
+
+libevolution_module_composer_autosave_la_CPPFLAGS = \
+ $(AM_CPPFLAGS) \
+ -I$(top_srcdir) \
+ -I$(top_srcdir)/widgets \
+ -DG_LOG_DOMAIN=\"evolution-composer-autosave\" \
+ $(EVOLUTION_MAIL_CFLAGS) \
+ $(GNOME_PLATFORM_CFLAGS)
+
+libevolution_module_composer_autosave_la_SOURCES = \
+ evolution-composer-autosave.c \
+ e-autosave-utils.c \
+ e-autosave-utils.h \
+ e-composer-autosave.c \
+ e-composer-registry.c
+
+libevolution_module_composer_autosave_la_LIBADD = \
+ $(top_builddir)/shell/libeshell.la \
+ $(top_builddir)/composer/libcomposer.la \
+ $(top_builddir)/widgets/misc/libemiscwidgets.la \
+ $(EVOLUTION_MAIL_LIBS) \
+ $(GNOME_PLATFORM_LIBS)
+
+libevolution_module_composer_autosave_la_LDFLAGS = \
+ -module -avoid-version $(NO_UNDEFINED)
+
+-include $(top_srcdir)/git.mk
diff --git a/modules/composer-autosave/e-autosave-utils.c b/modules/composer-autosave/e-autosave-utils.c
new file mode 100644
index 0000000000..ec0e322322
--- /dev/null
+++ b/modules/composer-autosave/e-autosave-utils.c
@@ -0,0 +1,499 @@
+/*
+ * e-autosave-utils.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/>
+ *
+ */
+
+#include "e-autosave-utils.h"
+
+#include <errno.h>
+#include <glib/gstdio.h>
+#include <camel/camel.h>
+
+#include <e-util/e-util.h>
+
+#define SNAPSHOT_FILE_KEY "e-composer-snapshot-file"
+#define SNAPSHOT_FILE_PREFIX ".evolution-composer.autosave"
+#define SNAPSHOT_FILE_SEED SNAPSHOT_FILE_PREFIX "-XXXXXX"
+
+typedef struct _LoadContext LoadContext;
+typedef struct _SaveContext SaveContext;
+
+struct _LoadContext {
+ EMsgComposer *composer;
+};
+
+struct _SaveContext {
+ GCancellable *cancellable;
+};
+
+static void
+load_context_free (LoadContext *context)
+{
+ if (context->composer != NULL)
+ g_object_unref (context->composer);
+
+ g_slice_free (LoadContext, context);
+}
+
+static void
+save_context_free (SaveContext *context)
+{
+ if (context->cancellable != NULL)
+ g_object_unref (context->cancellable);
+
+ g_slice_free (SaveContext, context);
+}
+
+static void
+delete_snapshot_file (GFile *snapshot_file)
+{
+ g_file_delete (snapshot_file, NULL, NULL);
+ g_object_unref (snapshot_file);
+}
+
+static GFile *
+create_snapshot_file (EMsgComposer *composer,
+ GError **error)
+{
+ GFile *snapshot_file;
+ const gchar *user_data_dir;
+ gchar *path;
+ gint fd;
+
+ snapshot_file = e_composer_get_snapshot_file (composer);
+
+ if (G_IS_FILE (snapshot_file))
+ return snapshot_file;
+
+ user_data_dir = e_get_user_data_dir ();
+ path = g_build_filename (user_data_dir, SNAPSHOT_FILE_SEED, NULL);
+
+ /* g_mkstemp() modifies the XXXXXX part of the
+ * template string to form the actual filename. */
+ errno = 0;
+ fd = g_mkstemp (path);
+ if (fd == -1) {
+ g_set_error (
+ error, G_FILE_ERROR,
+ g_file_error_from_errno (errno),
+ "%s", g_strerror (errno));
+ g_free (path);
+ return FALSE;
+ }
+
+ close (fd);
+
+ snapshot_file = g_file_new_for_path (path);
+
+ /* Save the GFile for subsequent snapshots. */
+ g_object_set_data_full (
+ G_OBJECT (composer),
+ SNAPSHOT_FILE_KEY, snapshot_file,
+ (GDestroyNotify) delete_snapshot_file);
+
+ return snapshot_file;
+}
+
+static void
+load_snapshot_loaded_cb (GFile *snapshot_file,
+ GAsyncResult *result,
+ GSimpleAsyncResult *simple)
+{
+ EShell *shell;
+ GObject *object;
+ LoadContext *context;
+ EMsgComposer *composer;
+ CamelMimeMessage *message;
+ CamelStream *camel_stream;
+ gchar *contents = NULL;
+ gsize length;
+ GError *error = NULL;
+
+ context = g_simple_async_result_get_op_res_gpointer (simple);
+
+ g_file_load_contents_finish (
+ snapshot_file, result, &contents, &length, NULL, &error);
+
+ if (error != NULL) {
+ g_warn_if_fail (contents == NULL);
+ g_simple_async_result_set_from_error (simple, error);
+ g_simple_async_result_complete (simple);
+ g_error_free (error);
+ return;
+ }
+
+ /* Create an in-memory buffer for the MIME parser to read from.
+ * We have to do this because CamelStreams are syncrhonous-only,
+ * and feeding the parser a direct file stream would block. */
+ message = camel_mime_message_new ();
+ camel_stream = camel_stream_mem_new_with_buffer (contents, length);
+ camel_data_wrapper_construct_from_stream (
+ CAMEL_DATA_WRAPPER (message), camel_stream, &error);
+ g_object_unref (camel_stream);
+ g_free (contents);
+
+ if (error != NULL) {
+ g_simple_async_result_set_from_error (simple, error);
+ g_simple_async_result_complete (simple);
+ g_object_unref (message);
+ g_error_free (error);
+ return;
+ }
+
+ /* g_async_result_get_source_object() returns a new reference. */
+ object = g_async_result_get_source_object (G_ASYNC_RESULT (simple));
+
+ /* Create a new composer window from the loaded message and
+ * restore its snapshot file so it continues auto-saving to
+ * the same file. */
+ shell = E_SHELL (object);
+ g_object_ref (snapshot_file);
+ composer = e_msg_composer_new_with_message (shell, message);
+ g_object_set_data_full (
+ G_OBJECT (composer),
+ SNAPSHOT_FILE_KEY, snapshot_file,
+ (GDestroyNotify) delete_snapshot_file);
+ context->composer = g_object_ref_sink (composer);
+ g_object_unref (message);
+
+ g_object_unref (object);
+
+ g_simple_async_result_complete (simple);
+ g_object_unref (simple);
+}
+
+static void
+save_snapshot_splice_cb (GOutputStream *output_stream,
+ GAsyncResult *result,
+ GSimpleAsyncResult *simple)
+{
+ GError *error = NULL;
+
+ g_output_stream_splice_finish (output_stream, result, &error);
+
+ if (error != NULL) {
+ g_simple_async_result_set_from_error (simple, error);
+ g_error_free (error);
+ }
+
+ g_simple_async_result_complete (simple);
+ g_object_unref (simple);
+}
+
+static void
+save_snapshot_replace_cb (GFile *snapshot_file,
+ GAsyncResult *result,
+ GSimpleAsyncResult *simple)
+{
+ GObject *object;
+ EMsgComposer *composer;
+ SaveContext *context;
+ CamelMimeMessage *message;
+ GFileOutputStream *output_stream;
+ GInputStream *input_stream;
+ CamelStream *camel_stream;
+ GByteArray *buffer;
+ GError *error = NULL;
+
+ context = g_simple_async_result_get_op_res_gpointer (simple);
+
+ output_stream = g_file_replace_finish (snapshot_file, result, &error);
+
+ if (error != NULL) {
+ g_warn_if_fail (output_stream == NULL);
+ g_simple_async_result_set_from_error (simple, error);
+ g_simple_async_result_complete (simple);
+ g_object_unref (simple);
+ g_error_free (error);
+ return;
+ }
+
+ g_return_if_fail (G_IS_OUTPUT_STREAM (output_stream));
+
+ /* g_async_result_get_source_object() returns a new reference. */
+ object = g_async_result_get_source_object (G_ASYNC_RESULT (simple));
+
+ /* Extract a MIME message from the composer. */
+ composer = E_MSG_COMPOSER (object);
+ message = e_msg_composer_get_message_draft (composer, &error);
+
+ g_object_unref (object);
+
+ if (error != NULL) {
+ g_warn_if_fail (message == NULL);
+ g_simple_async_result_set_from_error (simple, error);
+ g_simple_async_result_complete (simple);
+ g_object_unref (output_stream);
+ g_object_unref (simple);
+ g_error_free (error);
+ return;
+ }
+
+ g_return_if_fail (CAMEL_IS_MIME_MESSAGE (message));
+
+ /* Decode the message to an in-memory buffer. We have to do this
+ * because CamelStreams are synchronous-only, and using threads is
+ * dangerous because CamelDataWrapper is not reentrant. */
+ buffer = g_byte_array_new ();
+ camel_stream = camel_stream_mem_new ();
+ camel_stream_mem_set_byte_array (
+ CAMEL_STREAM_MEM (camel_stream), buffer);
+ camel_data_wrapper_decode_to_stream (
+ CAMEL_DATA_WRAPPER (message), camel_stream, NULL);
+ g_object_unref (camel_stream);
+ g_object_unref (message);
+
+ /* Load the buffer into a GMemoryInputStream. */
+ input_stream = g_memory_input_stream_new ();
+ if (buffer->len > 0)
+ g_memory_input_stream_add_data (
+ G_MEMORY_INPUT_STREAM (input_stream),
+ buffer->data, (gssize) buffer->len,
+ (GDestroyNotify) g_free);
+ g_byte_array_free (buffer, FALSE);
+
+ /* Splice the input and output streams. */
+ g_output_stream_splice_async (
+ G_OUTPUT_STREAM (output_stream), input_stream,
+ G_OUTPUT_STREAM_SPLICE_CLOSE_SOURCE |
+ G_OUTPUT_STREAM_SPLICE_CLOSE_TARGET,
+ G_PRIORITY_DEFAULT, context->cancellable,
+ (GAsyncReadyCallback) save_snapshot_splice_cb,
+ simple);
+
+ g_object_unref (input_stream);
+ g_object_unref (output_stream);
+}
+
+static EMsgComposer *
+composer_registry_lookup (GQueue *registry,
+ const gchar *basename)
+{
+ GList *iter;
+
+ /* Find the composer with the given snapshot filename. */
+ for (iter = registry->head; iter != NULL; iter = iter->next) {
+ EMsgComposer *composer;
+ GFile *snapshot_file;
+ gchar *snapshot_name;
+
+ composer = E_MSG_COMPOSER (iter->data);
+ snapshot_file = e_composer_get_snapshot_file (composer);
+
+ if (!G_IS_FILE (snapshot_file))
+ continue;
+
+ snapshot_name = g_file_get_basename (snapshot_file);
+ if (g_strcmp0 (basename, snapshot_name) == 0) {
+ g_free (snapshot_name);
+ return composer;
+ }
+
+ g_free (snapshot_name);
+ }
+
+ return NULL;
+}
+
+GList *
+e_composer_find_orphans (GQueue *registry,
+ GError **error)
+{
+ GDir *dir;
+ const gchar *dirname;
+ const gchar *basename;
+ GList *orphans = NULL;
+
+ g_return_val_if_fail (registry != NULL, NULL);
+
+ dirname = e_get_user_data_dir ();
+ dir = g_dir_open (dirname, 0, error);
+ if (dir == NULL)
+ return NULL;
+
+ /* Scan the user data directory for snapshot files. */
+ while ((basename = g_dir_read_name (dir)) != NULL) {
+ const gchar *errmsg;
+ gchar *filename;
+ struct stat st;
+
+ /* Is this a snapshot file? */
+ if (!g_str_has_prefix (basename, SNAPSHOT_FILE_PREFIX))
+ continue;
+
+ /* Is this an orphaned snapshot file? */
+ if (composer_registry_lookup (registry, basename) != NULL)
+ continue;
+
+ filename = g_build_filename (dirname, basename, NULL);
+
+ /* Try to examine the snapshot file. Failure here
+ * is non-fatal; just emit a warning and move on. */
+ errno = 0;
+ if (g_stat (filename, &st) < 0) {
+ errmsg = g_strerror (errno);
+ g_warning ("%s: %s", filename, errmsg);
+ g_free (filename);
+ continue;
+ }
+
+ /* If the file is empty, delete it. Failure here
+ * is non-fatal; just emit a warning and move on. */
+ if (st.st_size == 0) {
+ errno = 0;
+ if (g_unlink (filename) < 0) {
+ errmsg = g_strerror (errno);
+ g_warning ("%s: %s", filename, errmsg);
+ }
+ g_free (filename);
+ continue;
+ }
+
+ orphans = g_list_prepend (
+ orphans, g_file_new_for_path (filename));
+
+ g_free (filename);
+ }
+
+ g_dir_close (dir);
+
+ return g_list_reverse (orphans);
+}
+
+void
+e_composer_load_snapshot (EShell *shell,
+ GFile *snapshot_file,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ GSimpleAsyncResult *simple;
+ LoadContext *context;
+
+ g_return_if_fail (E_IS_SHELL (shell));
+ g_return_if_fail (G_IS_FILE (snapshot_file));
+
+ context = g_slice_new0 (LoadContext);
+
+ simple = g_simple_async_result_new (
+ G_OBJECT (shell), callback, user_data,
+ e_composer_load_snapshot);
+
+ g_simple_async_result_set_op_res_gpointer (
+ simple, context, (GDestroyNotify) load_context_free);
+
+ g_file_load_contents_async (
+ snapshot_file, cancellable, (GAsyncReadyCallback)
+ load_snapshot_loaded_cb, simple);
+}
+
+EMsgComposer *
+e_composer_load_snapshot_finish (EShell *shell,
+ GAsyncResult *result,
+ GError **error)
+{
+ GSimpleAsyncResult *simple;
+ LoadContext *context;
+
+ g_return_val_if_fail (
+ g_simple_async_result_is_valid (
+ result, G_OBJECT (shell),
+ e_composer_load_snapshot), NULL);
+
+ simple = G_SIMPLE_ASYNC_RESULT (result);
+ context = g_simple_async_result_get_op_res_gpointer (simple);
+
+ if (g_simple_async_result_propagate_error (simple, error))
+ return NULL;
+
+ g_return_val_if_fail (E_IS_MSG_COMPOSER (context->composer), NULL);
+
+ return g_object_ref (context->composer);
+}
+
+void
+e_composer_save_snapshot (EMsgComposer *composer,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ GSimpleAsyncResult *simple;
+ SaveContext *context;
+ GFile *snapshot_file;
+ GError *error = NULL;
+
+ g_return_if_fail (E_IS_MSG_COMPOSER (composer));
+
+ context = g_slice_new0 (SaveContext);
+
+ if (G_IS_CANCELLABLE (cancellable))
+ context->cancellable = g_object_ref (cancellable);
+
+ simple = g_simple_async_result_new (
+ G_OBJECT (composer), callback, user_data,
+ e_composer_save_snapshot);
+
+ g_simple_async_result_set_op_res_gpointer (
+ simple, context, (GDestroyNotify) save_context_free);
+
+ snapshot_file = e_composer_get_snapshot_file (composer);
+
+ if (!G_IS_FILE (snapshot_file))
+ snapshot_file = create_snapshot_file (composer, &error);
+
+ if (error != NULL) {
+ g_warn_if_fail (snapshot_file == NULL);
+ g_simple_async_result_set_from_error (simple, error);
+ g_simple_async_result_complete (simple);
+ g_object_unref (simple);
+ g_error_free (error);
+ return;
+ }
+
+ g_return_if_fail (G_IS_FILE (snapshot_file));
+
+ g_file_replace_async (
+ snapshot_file, NULL, FALSE,
+ G_FILE_CREATE_PRIVATE, G_PRIORITY_DEFAULT,
+ context->cancellable, (GAsyncReadyCallback)
+ save_snapshot_replace_cb, simple);
+}
+
+gboolean
+e_composer_save_snapshot_finish (EMsgComposer *composer,
+ GAsyncResult *result,
+ GError **error)
+{
+ GSimpleAsyncResult *simple;
+
+ g_return_val_if_fail (
+ g_simple_async_result_is_valid (
+ result, G_OBJECT (composer),
+ e_composer_save_snapshot), FALSE);
+
+ simple = G_SIMPLE_ASYNC_RESULT (result);
+
+ /* Success is assumed unless a GError is set. */
+ return !g_simple_async_result_propagate_error (simple, error);
+}
+
+GFile *
+e_composer_get_snapshot_file (EMsgComposer *composer)
+{
+ g_return_val_if_fail (E_IS_MSG_COMPOSER (composer), NULL);
+
+ return g_object_get_data (G_OBJECT (composer), SNAPSHOT_FILE_KEY);
+}
diff --git a/modules/composer-autosave/e-autosave-utils.h b/modules/composer-autosave/e-autosave-utils.h
new file mode 100644
index 0000000000..3a33d6b90a
--- /dev/null
+++ b/modules/composer-autosave/e-autosave-utils.h
@@ -0,0 +1,48 @@
+/*
+ * e-autosave-utils.h
+ *
+ * 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/>
+ *
+ */
+
+#ifndef E_AUTOSAVE_UTILS_H
+#define E_AUTOSAVE_UTILS_H
+
+#include <shell/e-shell.h>
+#include <composer/e-msg-composer.h>
+
+G_BEGIN_DECLS
+
+GList * e_composer_find_orphans (GQueue *registry,
+ GError **error);
+void e_composer_load_snapshot (EShell *shell,
+ GFile *snapshot_file,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data);
+EMsgComposer * e_composer_load_snapshot_finish (EShell *shell,
+ GAsyncResult *result,
+ GError **error);
+void e_composer_save_snapshot (EMsgComposer *composer,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data);
+gboolean e_composer_save_snapshot_finish (EMsgComposer *composer,
+ GAsyncResult *result,
+ GError **error);
+GFile * e_composer_get_snapshot_file (EMsgComposer *composer);
+
+G_END_DECLS
+
+#endif /* E_AUTOSAVE_UTILS_H */
diff --git a/modules/composer-autosave/e-composer-autosave.c b/modules/composer-autosave/e-composer-autosave.c
new file mode 100644
index 0000000000..b0a22ad4cf
--- /dev/null
+++ b/modules/composer-autosave/e-composer-autosave.c
@@ -0,0 +1,227 @@
+/*
+ * e-composer-autosave.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/>
+ *
+ */
+
+#include <e-util/e-extension.h>
+#include <e-util/e-alert-dialog.h>
+#include <composer/e-msg-composer.h>
+
+#include "e-autosave-utils.h"
+
+/* Standard GObject macros */
+#define E_TYPE_COMPOSER_AUTOSAVE \
+ (e_composer_autosave_get_type ())
+#define E_COMPOSER_AUTOSAVE(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST \
+ ((obj), E_TYPE_COMPOSER_AUTOSAVE, EComposerAutosave))
+
+#define AUTOSAVE_INTERVAL 60 /* seconds */
+
+typedef struct _EComposerAutosave EComposerAutosave;
+typedef struct _EComposerAutosaveClass EComposerAutosaveClass;
+
+struct _EComposerAutosave {
+ EExtension parent;
+
+ GCancellable *cancellable;
+ guint timeout_id;
+
+ /* Composer contents have changed since
+ * the last auto-save or explicit save. */
+ gboolean changed;
+
+ /* Prevent error dialogs from piling up. */
+ gboolean error_shown;
+};
+
+struct _EComposerAutosaveClass {
+ EExtensionClass parent_class;
+};
+
+/* Forward Declarations */
+GType e_composer_autosave_get_type (void);
+void e_composer_autosave_type_register (GTypeModule *type_module);
+
+G_DEFINE_DYNAMIC_TYPE (
+ EComposerAutosave,
+ e_composer_autosave,
+ E_TYPE_EXTENSION)
+
+static void
+composer_autosave_finished_cb (EMsgComposer *composer,
+ GAsyncResult *result,
+ EComposerAutosave *autosave)
+{
+ GFile *snapshot_file;
+ GError *error = NULL;
+
+ snapshot_file = e_composer_get_snapshot_file (composer);
+ e_composer_save_snapshot_finish (composer, result, &error);
+
+ /* Return silently if we were cancelled. */
+ if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+ g_error_free (error);
+
+ else if (error != NULL) {
+ gchar *basename;
+
+ if (G_IS_FILE (snapshot_file))
+ basename = g_file_get_basename (snapshot_file);
+ else
+ basename = g_strdup (" ");
+
+ /* Only show one error dialog at a time. */
+ if (!autosave->error_shown) {
+ autosave->error_shown = TRUE;
+ e_alert_run_dialog_for_args (
+ GTK_WINDOW (composer),
+ "mail-composer:no-autosave",
+ basename, error->message, NULL);
+ autosave->error_shown = FALSE;
+ } else
+ g_warning ("%s: %s", basename, error->message);
+
+ g_free (basename);
+ g_error_free (error);
+ }
+
+ g_object_unref (autosave);
+}
+
+static gboolean
+composer_autosave_timeout_cb (EComposerAutosave *autosave)
+{
+ EExtensible *extensible;
+
+ extensible = e_extension_get_extensible (E_EXTENSION (autosave));
+
+ /* User may have reverted or explicitly saved
+ * the changes since the timeout was scheduled. */
+ if (autosave->changed) {
+
+ /* Cancel the previous snapshot if it's still in
+ * progress and start a new snapshot operation. */
+ g_cancellable_cancel (autosave->cancellable);
+ g_object_unref (autosave->cancellable);
+ autosave->cancellable = g_cancellable_new ();
+
+ e_composer_save_snapshot (
+ E_MSG_COMPOSER (extensible),
+ autosave->cancellable,
+ (GAsyncReadyCallback)
+ composer_autosave_finished_cb,
+ g_object_ref (autosave));
+ }
+
+ autosave->timeout_id = 0;
+ autosave->changed = FALSE;
+
+ return FALSE;
+}
+
+static void
+composer_autosave_changed_cb (EComposerAutosave *autosave)
+{
+ GtkhtmlEditor *editor;
+ EExtensible *extensible;
+
+ extensible = e_extension_get_extensible (E_EXTENSION (autosave));
+
+ editor = GTKHTML_EDITOR (extensible);
+ autosave->changed = gtkhtml_editor_get_changed (editor);
+
+ if (autosave->changed && autosave->timeout_id == 0)
+ autosave->timeout_id = g_timeout_add_seconds (
+ AUTOSAVE_INTERVAL, (GSourceFunc)
+ composer_autosave_timeout_cb, autosave);
+}
+
+static void
+composer_autosave_dispose (GObject *object)
+{
+ EComposerAutosave *autosave;
+ GObjectClass *parent_class;
+
+ autosave = E_COMPOSER_AUTOSAVE (object);
+
+ /* Cancel any snapshots in progress. */
+ if (autosave->cancellable != NULL) {
+ g_cancellable_cancel (autosave->cancellable);
+ g_object_unref (autosave->cancellable);
+ autosave->cancellable = NULL;
+ }
+
+ if (autosave->timeout_id > 0) {
+ g_source_remove (autosave->timeout_id);
+ autosave->timeout_id = 0;
+ }
+
+ /* Chain up to parent's dispose() method. */
+ parent_class = G_OBJECT_CLASS (e_composer_autosave_parent_class);
+ parent_class->dispose (object);
+}
+
+static void
+composer_autosave_constructed (GObject *object)
+{
+ EExtensible *extensible;
+ GObjectClass *parent_class;
+
+ /* Chain up to parent's constructed() method. */
+ parent_class = G_OBJECT_CLASS (e_composer_autosave_parent_class);
+ parent_class->constructed (object);
+
+ extensible = e_extension_get_extensible (E_EXTENSION (object));
+
+ g_signal_connect_swapped (
+ extensible, "notify::changed",
+ G_CALLBACK (composer_autosave_changed_cb), object);
+}
+
+static void
+e_composer_autosave_class_init (EComposerAutosaveClass *class)
+{
+ GObjectClass *object_class;
+ EExtensionClass *extension_class;
+
+ object_class = G_OBJECT_CLASS (class);
+ object_class->dispose = composer_autosave_dispose;
+ object_class->constructed = composer_autosave_constructed;
+
+ extension_class = E_EXTENSION_CLASS (class);
+ extension_class->extensible_type = E_TYPE_MSG_COMPOSER;
+}
+
+static void
+e_composer_autosave_class_finalize (EComposerAutosaveClass *class)
+{
+}
+
+static void
+e_composer_autosave_init (EComposerAutosave *autosave)
+{
+ autosave->cancellable = g_cancellable_new ();
+}
+
+void
+e_composer_autosave_type_register (GTypeModule *type_module)
+{
+ /* XXX G_DEFINE_DYNAMIC_TYPE declares a static type registration
+ * function, so we have to wrap it with a public function in
+ * order to register types from a separate compilation unit. */
+ e_composer_autosave_register_type (type_module);
+}
diff --git a/modules/composer-autosave/e-composer-registry.c b/modules/composer-autosave/e-composer-registry.c
new file mode 100644
index 0000000000..a48464addd
--- /dev/null
+++ b/modules/composer-autosave/e-composer-registry.c
@@ -0,0 +1,236 @@
+/*
+ * e-composer-registry.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/>
+ *
+ */
+
+#include <glib/gstdio.h>
+#include <shell/e-shell.h>
+#include <shell/e-shell-window.h>
+#include <e-util/e-extension.h>
+#include <e-util/e-alert-dialog.h>
+#include <composer/e-msg-composer.h>
+
+#include "e-autosave-utils.h"
+
+/* Standard GObject macros */
+#define E_TYPE_COMPOSER_REGISTRY \
+ (e_composer_registry_get_type ())
+#define E_COMPOSER_REGISTRY(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST \
+ ((obj), E_TYPE_COMPOSER_REGISTRY, EComposerRegistry))
+
+typedef struct _EComposerRegistry EComposerRegistry;
+typedef struct _EComposerRegistryClass EComposerRegistryClass;
+
+struct _EComposerRegistry {
+ EExtension parent;
+ GQueue composers;
+ gboolean orphans_restored;
+};
+
+struct _EComposerRegistryClass {
+ EExtensionClass parent_class;
+};
+
+/* Forward Declarations */
+GType e_composer_registry_get_type (void);
+void e_composer_registry_type_register (GTypeModule *type_module);
+
+G_DEFINE_DYNAMIC_TYPE (
+ EComposerRegistry,
+ e_composer_registry,
+ E_TYPE_EXTENSION)
+
+static void
+composer_registry_recovered_cb (EShell *shell,
+ GAsyncResult *result,
+ EComposerRegistry *registry)
+{
+ EMsgComposer *composer;
+ GError *error = NULL;
+
+ composer = e_composer_load_snapshot_finish (shell, result, &error);
+
+ if (error != NULL) {
+ /* FIXME Show an alert dialog here explaining
+ * why we could not recover the message.
+ * Will need a new error XML entry. */
+ g_warn_if_fail (composer == NULL);
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ goto exit;
+ }
+
+ gtk_widget_show (GTK_WIDGET (composer));
+
+ g_object_unref (composer);
+
+exit:
+ g_object_unref (registry);
+}
+
+static gboolean
+composer_registry_map_event_cb (GtkWindow *parent,
+ GdkEvent *event,
+ EComposerRegistry *registry)
+{
+ EExtensible *extensible;
+ GList *orphans;
+ gint response;
+ GError *error = NULL;
+
+ extensible = e_extension_get_extensible (E_EXTENSION (registry));
+
+ /* Look for orphaned auto-save files. */
+ orphans = e_composer_find_orphans (
+ &registry->composers, &error);
+ if (orphans == NULL) {
+ if (error != NULL) {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ }
+ goto exit;
+ }
+
+ /* Ask if the user wants to recover the orphaned files. */
+ response = e_alert_run_dialog_for_args (
+ parent, "mail-composer:recover-autosave", NULL);
+
+ /* Based on the user's reponse, recover or delete them. */
+ while (orphans != NULL) {
+ GFile *file = orphans->data;
+
+ if (response == GTK_RESPONSE_YES)
+ e_composer_load_snapshot (
+ E_SHELL (extensible),
+ file, NULL, (GAsyncReadyCallback)
+ composer_registry_recovered_cb,
+ g_object_ref (registry));
+ else
+ g_file_delete (file, NULL, NULL);
+
+ g_object_unref (file);
+
+ orphans = g_list_delete_link (orphans, orphans);
+ }
+
+exit:
+ registry->orphans_restored = TRUE;
+
+ return FALSE;
+}
+
+static void
+composer_registry_notify_cb (EComposerRegistry *registry,
+ GObject *where_the_object_was)
+{
+ /* Remove the finalized composer from the registry. */
+ g_queue_remove (&registry->composers, where_the_object_was);
+
+ g_object_unref (registry);
+}
+
+static void
+composer_registry_window_created_cb (EShell *shell,
+ GtkWindow *window,
+ EComposerRegistry *registry)
+{
+ /* Offer to restore any orphaned auto-save files from the
+ * previous session once the first EShellWindow is mapped. */
+ if (E_IS_SHELL_WINDOW (window) && !registry->orphans_restored)
+ g_signal_connect (
+ window, "map-event",
+ G_CALLBACK (composer_registry_map_event_cb),
+ registry);
+
+ /* Track the new composer window. */
+ else if (E_IS_MSG_COMPOSER (window)) {
+ g_queue_push_tail (&registry->composers, window);
+ g_object_weak_ref (
+ G_OBJECT (window), (GWeakNotify)
+ composer_registry_notify_cb,
+ g_object_ref (registry));
+ }
+}
+
+static void
+composer_registry_finalize (GObject *object)
+{
+ GObjectClass *parent_class;
+ EComposerRegistry *registry;
+
+ registry = E_COMPOSER_REGISTRY (object);
+
+ /* All composers should have been finalized by now. */
+ g_warn_if_fail (g_queue_is_empty (&registry->composers));
+
+ /* Chain up to parent's finalize() method. */
+ parent_class = G_OBJECT_CLASS (e_composer_registry_parent_class);
+ parent_class->finalize (object);
+}
+
+static void
+composer_registry_constructed (GObject *object)
+{
+ EExtensible *extensible;
+ GObjectClass *parent_class;
+
+ /* Chain up to parent's constructed() method. */
+ parent_class = G_OBJECT_CLASS (e_composer_registry_parent_class);
+ parent_class->constructed (object);
+
+ extensible = e_extension_get_extensible (E_EXTENSION (object));
+
+ /* Listen for new watched windows. */
+ g_signal_connect (
+ extensible, "window-created",
+ G_CALLBACK (composer_registry_window_created_cb),
+ object);
+}
+
+static void
+e_composer_registry_class_init (EComposerRegistryClass *class)
+{
+ GObjectClass *object_class;
+ EExtensionClass *extension_class;
+
+ object_class = G_OBJECT_CLASS (class);
+ object_class->finalize = composer_registry_finalize;
+ object_class->constructed = composer_registry_constructed;
+
+ extension_class = E_EXTENSION_CLASS (class);
+ extension_class->extensible_type = E_TYPE_SHELL;
+}
+
+static void
+e_composer_registry_class_finalize (EComposerRegistryClass *class)
+{
+}
+
+static void
+e_composer_registry_init (EComposerRegistry *registry)
+{
+ g_queue_init (&registry->composers);
+}
+
+void
+e_composer_registry_type_register (GTypeModule *type_module)
+{
+ /* XXX G_DEFINE_DYNAMIC_TYPE declares a static type registration
+ * function, so we have to wrap it with a public function in
+ * order to register types from a separate compilation unit. */
+ e_composer_registry_register_type (type_module);
+}
diff --git a/modules/composer-autosave/evolution-composer-autosave.c b/modules/composer-autosave/evolution-composer-autosave.c
new file mode 100644
index 0000000000..d7e32f2f69
--- /dev/null
+++ b/modules/composer-autosave/evolution-composer-autosave.c
@@ -0,0 +1,40 @@
+/*
+ * evolution-module-composer-autosave.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/>
+ *
+ */
+
+#include <gmodule.h>
+#include <glib-object.h>
+
+/* Module Entry Points */
+void e_module_load (GTypeModule *type_module);
+void e_module_unload (GTypeModule *type_module);
+
+/* Forward Declarations */
+void e_composer_autosave_type_register (GTypeModule *type_module);
+void e_composer_registry_type_register (GTypeModule *type_module);
+
+G_MODULE_EXPORT void
+e_module_load (GTypeModule *type_module)
+{
+ e_composer_autosave_type_register (type_module);
+ e_composer_registry_type_register (type_module);
+}
+
+G_MODULE_EXPORT void
+e_module_unload (GTypeModule *type_module)
+{
+}
diff --git a/modules/mail/e-mail-shell-backend.c b/modules/mail/e-mail-shell-backend.c
index 870437aeb6..f1696692dd 100644
--- a/modules/mail/e-mail-shell-backend.c
+++ b/modules/mail/e-mail-shell-backend.c
@@ -375,7 +375,6 @@ mail_shell_backend_window_created_cb (EShell *shell,
GtkWindow *window,
EShellBackend *shell_backend)
{
- static gboolean first_time = TRUE;
const gchar *backend_name;
/* This applies to both the composer and signature editor. */
@@ -425,13 +424,6 @@ mail_shell_backend_window_created_cb (EShell *shell,
g_object_weak_ref (
G_OBJECT (window), (GWeakNotify)
mail_shell_backend_window_weak_notify_cb, shell);
-
- if (first_time) {
- g_signal_connect_swapped (
- window, "map-event",
- G_CALLBACK (e_msg_composer_check_autosave), shell);
- first_time = FALSE;
- }
}
static void
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-28 23:41:46 +0800