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authorbobufa <bobufa@users.noreply.github.com>2018-06-23 11:59:21 +0200
committerbobufa <bobufa@users.noreply.github.com>2018-08-13 22:05:04 +0200
commit760fd4cb26340165fb85c2e3aee8390e46dc8b63 (patch)
treee68f93a234680b4d84fd79b02cd27c6f1b058077 /main/src
parent443e7ee49da305a9ae8052c5b7a73412d03ce75f (diff)
downloaddino-760fd4cb26340165fb85c2e3aee8390e46dc8b63.tar.gz
dino-760fd4cb26340165fb85c2e3aee8390e46dc8b63.zip
load+display later messages when scrolling down
Diffstat (limited to 'main/src')
-rw-r--r--main/src/ui/conversation_summary/content_populator.vala12
-rw-r--r--main/src/ui/conversation_summary/conversation_view.vala110
2 files changed, 87 insertions, 35 deletions
diff --git a/main/src/ui/conversation_summary/content_populator.vala b/main/src/ui/conversation_summary/content_populator.vala
index 9fb83419..cec54c7b 100644
--- a/main/src/ui/conversation_summary/content_populator.vala
+++ b/main/src/ui/conversation_summary/content_populator.vala
@@ -53,6 +53,18 @@ public class ContentProvider : ContentItemCollection, Object {
}
return ret;
}
+
+ public Gee.List<ContentMetaItem> populate_after(Conversation conversation, Plugins.MetaConversationItem before_item, int n) {
+ Gee.List<ContentMetaItem> ret = new ArrayList<ContentMetaItem>();
+ ContentMetaItem? content_meta_item = before_item as ContentMetaItem;
+ if (content_meta_item != null) {
+ Gee.List<ContentItem> items = stream_interactor.get_module(ContentItemAccumulator.IDENTITY).populate_after(this, conversation, content_meta_item.content_item, n);
+ foreach (ContentItem item in items) {
+ ret.add(new ContentMetaItem(item, widget_factory));
+ }
+ }
+ return ret;
+ }
}
public class ContentMetaItem : Plugins.MetaConversationItem {
diff --git a/main/src/ui/conversation_summary/conversation_view.vala b/main/src/ui/conversation_summary/conversation_view.vala
index bb696572..008909e4 100644
--- a/main/src/ui/conversation_summary/conversation_view.vala
+++ b/main/src/ui/conversation_summary/conversation_view.vala
@@ -18,7 +18,8 @@ public class ConversationView : Box, Plugins.ConversationItemCollection {
[GtkChild] private Stack stack;
private StreamInteractor stream_interactor;
- private Gee.TreeSet<Plugins.MetaConversationItem> meta_items = new TreeSet<Plugins.MetaConversationItem>(sort_meta_items);
+ private Gee.TreeSet<Plugins.MetaConversationItem> content_items = new Gee.TreeSet<Plugins.MetaConversationItem>(compare_meta_items);
+ private Gee.TreeSet<Plugins.MetaConversationItem> meta_items = new TreeSet<Plugins.MetaConversationItem>(compare_meta_items);
private Gee.HashMap<Plugins.MetaConversationItem, ConversationItemSkeleton> item_item_skeletons = new Gee.HashMap<Plugins.MetaConversationItem, ConversationItemSkeleton>();
private Gee.HashMap<Plugins.MetaConversationItem, Widget> widgets = new Gee.HashMap<Plugins.MetaConversationItem, Widget>();
private Gee.List<ConversationItemSkeleton> item_skeletons = new Gee.ArrayList<ConversationItemSkeleton>();
@@ -32,6 +33,7 @@ public class ConversationView : Box, Plugins.ConversationItemCollection {
private Mutex reloading_mutex = Mutex();
private bool animate = false;
private bool firstLoad = true;
+ private bool at_current_content = true;
public ConversationView(StreamInteractor stream_interactor) {
this.stream_interactor = stream_interactor;
@@ -41,8 +43,8 @@ public class ConversationView : Box, Plugins.ConversationItemCollection {
content_populator = new ContentProvider(stream_interactor);
subscription_notification = new SubscriptionNotitication(stream_interactor);
- insert_item.connect(on_insert_item);
- remove_item.connect(on_remove_item);
+ insert_item.connect(do_insert_item);
+ remove_item.connect(do_remove_item);
Application app = GLib.Application.get_default() as Application;
app.plugin_registry.register_conversation_addition_populator(new ChatStatePopulator(stream_interactor));
@@ -82,49 +84,57 @@ public class ConversationView : Box, Plugins.ConversationItemCollection {
}
this.conversation = conversation;
stack.set_visible_child_name("void");
+
+ foreach (Plugins.ConversationItemPopulator populator in app.plugin_registry.conversation_addition_populators) {
+ populator.init(conversation, this, Plugins.WidgetType.GTK);
+ }
+ content_populator.init(this, conversation, Plugins.WidgetType.GTK);
+ subscription_notification.init(conversation, this);
+
+ display_latest();
+
+ stack.set_visible_child_name("main");
+ }
+
+ private void display_latest() {
clear();
was_upper = null;
was_page_size = null;
animate = false;
Timeout.add(20, () => { animate = true; return false; });
- foreach (Plugins.ConversationItemPopulator populator in app.plugin_registry.conversation_addition_populators) {
- populator.init(conversation, this, Plugins.WidgetType.GTK);
- }
- content_populator.init(this, conversation, Plugins.WidgetType.GTK);
Gee.List<ContentMetaItem> items = content_populator.populate_latest(conversation, 40);
foreach (ContentMetaItem item in items) {
- on_insert_item(item);
+ do_insert_item(item);
}
Idle.add(() => { on_value_notify(); return false; });
-
- subscription_notification.init(conversation, this);
-
- stack.set_visible_child_name("main");
}
- public void on_insert_item(Plugins.MetaConversationItem item) {
+ public void do_insert_item(Plugins.MetaConversationItem item) {
lock (meta_items) {
if (!item.can_merge || !merge_back(item)) {
insert_new(item);
}
}
+ if (item as ContentMetaItem != null) {
+ content_items.add(item);
+ }
+ meta_items.add(item);
}
- private void on_remove_item(Plugins.MetaConversationItem item) {
- lock (meta_items) {
- ConversationItemSkeleton? skeleton = item_item_skeletons[item];
- if (skeleton.items.size > 1) {
- skeleton.remove_meta_item(item);
- } else {
- widgets[item].destroy();
- widgets.unset(item);
- skeleton.destroy();
- item_skeletons.remove(skeleton);
- item_item_skeletons.unset(item);
- }
- meta_items.remove(item);
+ private void do_remove_item(Plugins.MetaConversationItem item) {
+ ConversationItemSkeleton? skeleton = item_item_skeletons[item];
+ if (skeleton.items.size > 1) {
+ skeleton.remove_meta_item(item);
+ } else {
+ widgets[item].destroy();
+ widgets.unset(item);
+ skeleton.destroy();
+ item_skeletons.remove(skeleton);
+ item_item_skeletons.unset(item);
}
+ content_items.remove(item);
+ meta_items.remove(item);
}
public void add_notification(Widget widget) {
@@ -154,8 +164,8 @@ public class ConversationView : Box, Plugins.ConversationItemCollection {
lower_skeleton.add_meta_item(item);
force_alloc_width(lower_skeleton, main.get_allocated_width());
+ widgets[item] = widgets[lower_start_item];
item_item_skeletons[item] = lower_skeleton;
- meta_items.add(item);
return true;
}
@@ -182,7 +192,6 @@ public class ConversationView : Box, Plugins.ConversationItemCollection {
item_item_skeletons[item] = item_skeleton;
int index = lower_item != null ? item_skeletons.index_of(item_item_skeletons[lower_item]) + 1 : 0;
item_skeletons.insert(index, item_skeleton);
- meta_items.add(item);
// Insert widget
Widget insert = item_skeleton;
@@ -220,12 +229,12 @@ public class ConversationView : Box, Plugins.ConversationItemCollection {
while(i < split_skeleton.items.size) {
Plugins.MetaConversationItem meta_item = split_skeleton.items[i];
if (time.compare(meta_item.display_time) < 0) {
- remove_item(meta_item);
+ do_remove_item(meta_item);
if (!already_divided) {
insert_new(meta_item);
already_divided = true;
} else {
- insert_item(meta_item);
+ do_insert_item(meta_item);
}
}
i++;
@@ -235,19 +244,24 @@ public class ConversationView : Box, Plugins.ConversationItemCollection {
private void on_upper_notify() {
if (was_upper == null || scrolled.vadjustment.value > was_upper - was_page_size - 1 ||
scrolled.vadjustment.value > was_upper - was_page_size - 1) { // scrolled down or content smaller than page size
- scrolled.vadjustment.value = scrolled.vadjustment.upper - scrolled.vadjustment.page_size; // scroll down
+ if (at_current_content) {
+ scrolled.vadjustment.value = scrolled.vadjustment.upper - scrolled.vadjustment.page_size; // scroll down
+ }
} else if (scrolled.vadjustment.value < scrolled.vadjustment.upper - scrolled.vadjustment.page_size - 1) {
scrolled.vadjustment.value = scrolled.vadjustment.upper - was_upper + scrolled.vadjustment.value; // stay at same content
}
was_upper = scrolled.vadjustment.upper;
was_page_size = scrolled.vadjustment.page_size;
+ was_value = scrolled.vadjustment.value;
reloading_mutex.trylock();
reloading_mutex.unlock();
}
private void on_value_notify() {
- if (scrolled.vadjustment.value < 200) {
+ if (scrolled.vadjustment.value < 400) {
load_earlier_messages();
+ } else if (scrolled.vadjustment.upper - (scrolled.vadjustment.value + scrolled.vadjustment.page_size) < 400) {
+ load_later_messages();
}
}
@@ -255,14 +269,39 @@ public class ConversationView : Box, Plugins.ConversationItemCollection {
was_value = scrolled.vadjustment.value;
if (!reloading_mutex.trylock()) return;
if (meta_items.size > 0) {
- Gee.List<ContentMetaItem> items = content_populator.populate_before(conversation, meta_items.first(), 20);
+ Gee.List<ContentMetaItem> items = content_populator.populate_before(conversation, content_items.first(), 20);
+ foreach (ContentMetaItem item in items) {
+ do_insert_item(item);
+ }
+ } else {
+ reloading_mutex.unlock();
+ }
+ }
+
+ private void load_later_messages() {
+ if (!reloading_mutex.trylock()) return;
+ if (meta_items.size > 0 && !at_current_content) {
+ foreach (Plugins.MetaConversationItem a in content_items) {
+ ContentMetaItem b = a as ContentMetaItem;
+ MessageItem c = b.content_item as MessageItem;
+ }
+ Gee.List<ContentMetaItem> items = content_populator.populate_after(conversation, content_items.last(), 20);
+
+ ContentMetaItem b = content_items.last() as ContentMetaItem;
+ MessageItem c = b.content_item as MessageItem;
+
+ if (items.size == 0) {
+ at_current_content = true;
+ }
foreach (ContentMetaItem item in items) {
- on_insert_item(item);
+ do_insert_item(item);
}
+ } else {
+ reloading_mutex.unlock();
}
}
- private static int sort_meta_items(Plugins.MetaConversationItem a, Plugins.MetaConversationItem b) {
+ private static int compare_meta_items(Plugins.MetaConversationItem a, Plugins.MetaConversationItem b) {
int res = a.sort_time.compare(b.sort_time);
if (res == 0) {
if (a.seccondary_sort_indicator < b.seccondary_sort_indicator) res = -1;
@@ -281,6 +320,7 @@ public class ConversationView : Box, Plugins.ConversationItemCollection {
}
private void clear() {
+ content_items.clear();
meta_items.clear();
item_skeletons.clear();
item_item_skeletons.clear();