# HG changeset patch
# User Goffi <goffi@goffi.org>
# Date 1582731828 -3600
# Node ID 027fad764864b9ed0a4d395a150b4b86aa842c2d
# Parent  f8ba934ea462b9a0ac8e0c239997489d20d37124
common widgets: ImagesGallery first draft:

This widget handle the fullscreen display of images. Some features like sharing or
download are planned in the future.

diff -r f8ba934ea462 -r 027fad764864 cagou/core/common_widgets.py
--- a/cagou/core/common_widgets.py	Wed Feb 26 16:42:22 2020 +0100
+++ b/cagou/core/common_widgets.py	Wed Feb 26 16:43:48 2020 +0100
@@ -19,15 +19,16 @@
 
 """common advanced widgets, which can be reused everywhere."""
 
-from sat.core.i18n import _
-from kivy.uix.label import Label
-from kivy.uix.boxlayout import BoxLayout
-from .behaviors import TouchMenuItemBehavior
+from kivy.clock import Clock
 from kivy import properties
 from kivy.metrics import dp
-from kivy.clock import Clock
+from kivy.uix.scatterlayout import ScatterLayout
+from kivy.uix.boxlayout import BoxLayout
+from kivy.uix.label import Label
+from sat.core.i18n import _
+from sat.core import log as logging
 from cagou import G
-from sat.core import log as logging
+from .behaviors import TouchMenuItemBehavior
 
 log = logging.getLogger(__name__)
 
@@ -127,3 +128,35 @@
 
 class CategorySeparator(Label):
     pass
+
+
+class ImageViewer(ScatterLayout):
+    source = properties.StringProperty()
+
+
+class ImagesGallery(BoxLayout):
+    """Show list of images in a Carousel, with some controls to downloads"""
+    sources = properties.ListProperty()
+    carousel = properties.ObjectProperty()
+
+    def on_kv_post(self, __):
+        self.on_sources(None, self.sources)
+
+    def on_parent(self, __, parent):
+        # we hide the head widget to have full screen
+        G.host.app.showHeadWidget(not bool(parent), animation=False)
+
+    def on_sources(self, __, sources):
+        if not sources or not self.carousel:
+            return
+        self.carousel.clear_widgets()
+        for source in sources:
+            img = ImageViewer(
+                source=source,
+            )
+            self.carousel.add_widget(img)
+
+    def key_input(self, window, key, scancode, codepoint, modifier):
+        if key == 27:
+            G.host.closeUI()
+            return True
diff -r f8ba934ea462 -r 027fad764864 cagou/kv/common_widgets.kv
--- a/cagou/kv/common_widgets.kv	Wed Feb 26 16:42:22 2020 +0100
+++ b/cagou/kv/common_widgets.kv	Wed Feb 26 16:43:48 2020 +0100
@@ -45,3 +45,21 @@
     bold: True
     font_size: sp(20)
     color: app.c_sec
+
+<ImageViewer>:
+    do_rotation: False
+    AsyncImage:
+        source: root.source
+        allow_stretch: True,
+
+
+<ImagesGallery>:
+    carousel: carousel
+    canvas.before:
+        Color:
+            rgba: 0, 0, 0, 1
+        Rectangle:
+            pos: self.pos
+            size: self.size
+    Carousel:
+        id: carousel