html-preview: port to libide-webkit and libide-editor

src/plugins/html-preview/gtk/menus.ui

 <?xml version="1.0"?>
 <interface>
-  <menu id="ide-editor-view-document-menu">
+  <menu id="ide-editor-page-document-menu">
     <section id="editor-document-section">
       <item>
         <attribute name="after">editor-document-open-in-new-frame</attribute>
         <attribute name="label" translatable="yes">Open Preview</attribute>
-        <attribute name="action">editor-view.preview-as-html</attribute>
+        <attribute name="action">editor-page.preview-as-html</attribute>
       </item>
     </section>
   </menu>

src/plugins/html-preview/html-preview.gresource.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <gresources>
-  <gresource prefix="/org/gnome/builder/plugins/html_preview">
+  <gresource prefix="/plugins/html_preview">
     <file>js/markdown-view.js</file>
     <file>js/marked.js</file>
     <file>css/markdown.css</file>

src/plugins/html-preview/html-preview.plugin

 [Plugin]
-Module=html_preview
-Loader=python3
-Name=HTML, reStructuredText and Markdown Preview
-Description=Live preview of HTML, reStructuredText and Markdown documents.
 Authors=Christian Hergert <christian@hergert.me>
-Copyright=Copyright © 2015 Christian Hergert
 Builtin=true
-Depends=webkit
+Copyright=Copyright © 2015 Christian Hergert
+Depends=webkit;
+Description=Live preview of HTML, reStructuredText and Markdown documents.
+Loader=python3
+Module=html_preview
+Name=HTML, reStructuredText and Markdown Preview
 X-Editor-View-Languages=*
+X-Builder-ABI=@PACKAGE_ABI@
+X-Has-Resources=true

src/plugins/html-preview/html_preview.py

@@ -29,10 +29,6 @@ import sys
 import subprocess
 import threading
 
-gi.require_version('Gtk', '3.0')
-gi.require_version('Ide', '1.0')
-gi.require_version('WebKit2', '4.0')
-
 from gi.repository import Dazzle
 from gi.repository import GLib
 from gi.repository import Gio
@@ -124,13 +120,29 @@ class HtmlPreviewData(GObject.Object, Ide.ApplicationAddin):
 
     def get_data(self, name):
         # Hold onto the GBytes to avoid copying the buffer
-        path = os.path.join('/org/gnome/builder/plugins/html_preview', name)
+        path = os.path.join('/plugins/html_preview', name)
         return Gio.resources_lookup_data(path, 0)
 
 class HtmlWorkbenchAddin(GObject.Object, Ide.WorkbenchAddin):
+    workbench = None
+
     def do_load(self, workbench):
         self.workbench = workbench
 
+    def do_unload(self, workbench):
+        self.workbench = None
+
+    def find_notif_by_id(self, id):
+        notifs = self.workbench.get_context().get_child_typed(Ide.Notifications)
+        return notifs.find_by_id(id)
+
+    def withdraw_notification(self, id):
+        notifs = self.workbench.get_context().get_child_typed(Ide.Notifications)
+        notif = notifs.find_by_id(id)
+        if notif is not None:
+            notif.withdraw()
+
+    def do_workspace_added(self, workspace):
         group = Gio.SimpleActionGroup()
 
         self.install_action = Gio.SimpleAction(name='install-docutils', enabled=True)
@@ -141,21 +153,26 @@ class HtmlWorkbenchAddin(GObject.Object, Ide.WorkbenchAddin):
         self.install_action.connect('activate', lambda *_: self.install_sphinx())
         group.insert(self.install_action)
 
-        self.workbench.insert_action_group('html-preview', group)
+        workspace.insert_action_group('html-preview', group)
 
-    def do_unload(self, workbench):
-        workbench.insert_action_group('html-preview', None)
-        self.workbench = None
+    def do_workspace_removed(self, workspace):
+        workspace.insert_action_group('html-preview', None)
 
     def install_docutils(self):
         transfer = Ide.PkconTransfer(packages=['python3-docutils'])
-        manager = Gio.Application.get_default().get_transfer_manager()
+        manager = Ide.TransferManager.get_default()
+
+        notif = transfer.create_notification()
+        notif.attach(self.workbench.get_context())
 
         manager.execute_async(transfer, None, self.docutils_installed, None)
 
     def install_sphinx(self):
         transfer = Ide.PkconTransfer(packages=['python3-sphinx'])
-        manager = Gio.Application.get_default().get_transfer_manager()
+        manager = Ide.TransferManager.get_default()
+
+        notif = transfer.create_notification()
+        notif.attach(self.workbench.get_context())
 
         manager.execute_async(transfer, None, self.sphinx_installed, None)
 
@@ -170,7 +187,7 @@ class HtmlWorkbenchAddin(GObject.Object, Ide.WorkbenchAddin):
             return
 
         can_preview_rst = True
-        self.workbench.pop_message('org.gnome.builder.docutils.install')
+        self.withdraw_notification('org.gnome.builder.html-preview.docutils')
 
     def sphinx_installed(self, object, result, data):
         global can_preview_sphinx
@@ -183,19 +200,19 @@ class HtmlWorkbenchAddin(GObject.Object, Ide.WorkbenchAddin):
             return
 
         can_preview_sphinx = True
-        self.workbench.pop_message('org.gnome.builder.sphinx.install')
-
+        self.withdraw_notification('org.gnome.builder.html-preview.docutils')
+        self.withdraw_notification('org.gnome.builder.html-preview.sphinx')
 
-class HtmlPreviewAddin(GObject.Object, Ide.EditorViewAddin):
+class HtmlPreviewAddin(GObject.Object, Ide.EditorPageAddin):
     def do_load(self, view):
-        self.workbench = view.get_ancestor(Ide.Workbench)
+        self.context = Ide.widget_get_context(view)
         self.view = view
 
         self.can_preview = False
         self.sphinx_basedir = None
         self.sphinx_builddir = None
 
-        group = view.get_action_group('editor-view')
+        group = view.get_action_group('editor-page')
 
         self.action = Gio.SimpleAction(name='preview-as-html', enabled=True)
         self.activate_handler = self.action.connect('activate', self.preview_activated)
@@ -212,17 +229,17 @@ class HtmlPreviewAddin(GObject.Object, Ide.EditorViewAddin):
         controller.add_command_action('org.gnome.builder.html-preview.preview',
                                       '<Control><Alt>p',
                                       Dazzle.ShortcutPhase.CAPTURE,
-                                      'editor-view.preview-as-html')
+                                      'editor-page.preview-as-html')
 
     def do_unload(self, view):
         self.action.disconnect(self.activate_handler)
 
-        group = view.get_action_group('editor-view')
+        group = view.get_action_group('editor-page')
         group.remove_action('preview-as-html')
 
         self.action = None
         self.view = None
-        self.workbench = None
+        self.context = None
 
     def do_language_changed(self, language_id):
         enabled = (language_id in ('html', 'markdown', 'rst'))
@@ -233,7 +250,7 @@ class HtmlPreviewAddin(GObject.Object, Ide.EditorViewAddin):
         if self.lang_id == 'rst':
             if not self.sphinx_basedir:
                 document = self.view.get_buffer()
-                path = document.get_file().get_file().get_path()
+                path = document.get_file().get_path()
                 self.sphinx_basedir = self.search_sphinx_base_dir(path)
 
             if self.sphinx_basedir:
@@ -273,7 +290,7 @@ class HtmlPreviewAddin(GObject.Object, Ide.EditorViewAddin):
                 return
 
         document = view.get_buffer()
-        web_view = HtmlPreviewView(document,
+        web_view = HtmlPreviewPage(document,
                                    self.sphinx_basedir,
                                    self.sphinx_builddir,
                                    visible=True)
@@ -295,9 +312,7 @@ class HtmlPreviewAddin(GObject.Object, Ide.EditorViewAddin):
         self.action.set_enabled(True)
 
     def search_sphinx_base_dir(self, path):
-        context = self.workbench.get_context()
-        vcs = context.get_vcs()
-        working_dir = vcs.get_working_directory().get_path()
+        working_dir = self.context.ref_workdir()
 
         try:
             if os.path.commonpath([working_dir, path]) != working_dir:
@@ -321,27 +336,26 @@ class HtmlPreviewAddin(GObject.Object, Ide.EditorViewAddin):
             folder = os.path.dirname(folder)
 
     def show_missing_docutils_message(self, view):
-        message = Ide.WorkbenchMessage(
-            id='org.gnome.builder.docutils.install',
+        notif = Ide.Notification(
+            id='org.gnome.builder.html-preview.docutils',
             title=_('Your computer is missing python3-docutils'),
-            show_close_button=True,
-            visible=True)
-
-        message.add_action(_('Install'), 'html-preview.install-docutils')
-        self.workbench.push_message(message)
+            body=_('This package is necessary to provide previews of markup-based documents.'),
+            icon_name='dialog-warning-symbolic',
+            urgent=True)
+        notif.add_button(_('Install Package'), None, 'html-preview.install-docutils')
+        notif.attach(self.context)
 
     def show_missing_sphinx_message(self, view):
-        message = Ide.WorkbenchMessage(
-            id='org.gnome.builder.sphinx.install',
+        notif = Ide.Notification(
+            id='org.gnome.builder.html-preview.sphinx',
             title=_('Your computer is missing python3-sphinx'),
-            show_close_button=True,
-            visible=True)
-
-        message.add_action(_('Install'), 'html-preview.install-sphinx')
-        self.workbench.push_message(message)
+            body=_('This package is necessary to provide previews of markup-based documents.'),
+            icon_name='dialog-warning-symbolic',
+            urgent=True)
+        notif.add_button(_('Install Package'), None, 'html-preview.install-sphinx')
+        notif.attach(self.context)
 
-
-class HtmlPreviewView(Ide.LayoutView):
+class HtmlPreviewPage(Ide.Page):
     markdown = False
     rst = False
 
@@ -352,13 +366,16 @@ class HtmlPreviewView(Ide.LayoutView):
     def __init__(self, document, sphinx_basedir, sphinx_builddir, *args, **kwargs):
         global old_open
 
-        super().__init__(*args, **kwargs)
+        print("Test");
+
+        Ide.Page.__init__(self, *args, **kwargs)
+        #super().__init__(self, *args, **kwargs)
 
         self.sphinx_basedir = sphinx_basedir
         self.sphinx_builddir = sphinx_builddir
         self.document = document
 
-        self.webview = WebKit2.WebView(visible=True, expand=True)
+        self.webview = WebKit2.WebView.new(expand=True, visible=True)
         self.add(self.webview)
 
         settings = self.webview.get_settings()
@@ -429,7 +446,7 @@ class HtmlPreviewView(Ide.LayoutView):
                          name='sphinx-rst-thread').start()
 
     def purge_cache(self, basedir, builddir, document):
-        path = document.get_file().get_file().get_path()
+        path = document.get_file().get_path()
         rel_path = os.path.relpath(path, start=basedir)
         rel_path_doctree = os.path.splitext(rel_path)[0] + '.doctree'
         doctree_path = os.path.join(builddir, '.doctrees', rel_path_doctree)
@@ -483,7 +500,7 @@ class HtmlPreviewView(Ide.LayoutView):
             state.need_build = True
             return
 
-        gfile = self.document.get_file().get_file()
+        gfile = self.document.get_file()
         base_uri = gfile.get_uri()
 
         begin, end = self.document.get_bounds()

src/plugins/html-preview/meson.build

-if get_option('with_html_preview')
+if get_option('plugin_html_preview')
 
 html_preview_resources = gnome.compile_resources(
   'html_preview',
@@ -13,7 +13,7 @@ install_data('html_preview.py', install_dir: plugindir)
 configure_file(
           input: 'html-preview.plugin',
          output: 'html-preview.plugin',
-           copy: true,
+  configuration: config_h,
         install: true,
     install_dir: plugindir,
 )