From eadd760a304ff8b3fcdc1b18f41382ef9ab9d93f Mon Sep 17 00:00:00 2001
From: malnvenshorn <malnvenshorn@gmail.com>
Date: Fri, 18 Aug 2017 17:18:30 +0200
Subject: [PATCH] Show webcam in separate tab

---
 octoprint_webcamtab/__init__.py               | 15 ++--
 octoprint_webcamtab/static/js/webcamtab.js    | 69 +++++++++++++++----
 .../templates/webcamtab_tab.jinja2            | 36 ++++++++++
 3 files changed, 100 insertions(+), 20 deletions(-)
 create mode 100644 octoprint_webcamtab/templates/webcamtab_tab.jinja2

diff --git a/octoprint_webcamtab/__init__.py b/octoprint_webcamtab/__init__.py
index fafff9b..e87230d 100644
--- a/octoprint_webcamtab/__init__.py
+++ b/octoprint_webcamtab/__init__.py
@@ -8,15 +8,9 @@ __copyright__ = "Copyright (C) 2017 Sven Lohrmann - Released under terms of the
 import octoprint.plugin
 
 
-class WebcamTabPlugin(octoprint.plugin.SettingsPlugin,
-                      octoprint.plugin.AssetPlugin,
+class WebcamTabPlugin(octoprint.plugin.AssetPlugin,
                       octoprint.plugin.TemplatePlugin):
 
-    # SettingsPlugin mixin
-
-    def get_settings_defaults(self):
-        return dict()
-
     # AssetPlugin mixin
 
     def get_assets(self):
@@ -24,6 +18,13 @@ class WebcamTabPlugin(octoprint.plugin.SettingsPlugin,
             js=["js/webcamtab.js"]
         )
 
+    # TemplatePlugin
+
+    def get_template_configs(self):
+        return [
+            dict(type="tab", name="Webcam")
+        ]
+
     # Softwareupdate hook
 
     def get_update_information(self):
diff --git a/octoprint_webcamtab/static/js/webcamtab.js b/octoprint_webcamtab/static/js/webcamtab.js
index 6ec1aef..80e7e4e 100644
--- a/octoprint_webcamtab/static/js/webcamtab.js
+++ b/octoprint_webcamtab/static/js/webcamtab.js
@@ -8,21 +8,64 @@ $(function() {
     function WebcamTabViewModel(parameters) {
         var self = this;
 
-        // assign the injected parameters, e.g.:
-        // self.loginStateViewModel = parameters[0];
-        // self.settingsViewModel = parameters[1];
+        self.control = parameters[0];
 
-        // TODO: Implement your plugin's view model here.
-    }
+        self.control.onTabChange = function (current, previous) {
+            // replaced #control with #tab_plugin_webcamtab
+            if (current == "#tab_plugin_webcamtab") {
+                self.control._enableWebcam();
+            } else if (previous == "#tab_plugin_webcamtab") {
+                self.control._disableWebcam();
+            }
+        };
 
-    // view model class, parameters for constructor, container to bind to
-    OCTOPRINT_VIEWMODELS.push([
-        WebcamTabViewModel,
+        self.control._enableWebcam = function() {
+            // replaced #control with #tab_plugin_webcamtab
+            if (OctoPrint.coreui.selectedTab != "#tab_plugin_webcamtab" || !OctoPrint.coreui.browserTabVisible) {
+                return;
+            }
 
-        // e.g. loginStateViewModel, settingsViewModel, ...
-        [ /* "loginStateViewModel", "settingsViewModel" */ ],
+            if (self.control.webcamDisableTimeout != undefined) {
+                clearTimeout(self.control.webcamDisableTimeout);
+            }
+            var webcamImage = $("#webcam_image");
+            var currentSrc = webcamImage.attr("src");
 
-        // e.g. #settings_plugin_webcamtab, #tab_plugin_webcamtab, ...
-        [ /* ... */ ]
-    ]);
+            // safari bug doesn't release the mjpeg stream, so we just set it up the once
+            if (self.control._isSafari() && currentSrc != undefined) {
+                return;
+            }
+
+            var newSrc = self.control.settings.webcam_streamUrl();
+            if (currentSrc != newSrc) {
+                if (newSrc.lastIndexOf("?") > -1) {
+                    newSrc += "&";
+                } else {
+                    newSrc += "?";
+                }
+                newSrc += new Date().getTime();
+
+                self.control.webcamLoaded(false);
+                self.control.webcamError(false);
+                webcamImage.attr("src", newSrc);
+            }
+        };
+
+        self.onStartup = function() {
+            var container = $("#control #webcam_container");
+            if (container.length) {
+                var hint = container.next();
+                if (hint.attr("data-bind") === "visible: keycontrolPossible") {
+                    hint.remove();
+                }
+                container.remove();
+            }
+        };
+    };
+
+    OCTOPRINT_VIEWMODELS.push({
+        construct: WebcamTabViewModel,
+        dependencies: ["controlViewModel"],
+        elements: ["#tab_plugin_webcamtab"]
+    });
 });
diff --git a/octoprint_webcamtab/templates/webcamtab_tab.jinja2 b/octoprint_webcamtab/templates/webcamtab_tab.jinja2
new file mode 100644
index 0000000..a1c04f4
--- /dev/null
+++ b/octoprint_webcamtab/templates/webcamtab_tab.jinja2
@@ -0,0 +1,36 @@
+<div id="webcam_container" tabindex="0" data-bind="event: { keydown: control.onKeyDown, mouseover: control.onMouseOver, mouseout: control.onMouseOut, focus: control.onFocus }">
+    <div class="nowebcam" data-bind="visible: !control.webcamLoaded()">
+        <div class="text webcam_loading" data-bind="visible: !control.webcamLoaded() && !control.webcamError()">
+            <p><strong>{{ _('Webcam stream loading...') }}</strong></p>
+        </div>
+        <div class="text webcam_error" data-bind="visible: !control.webcamLoaded() && control.webcamError()">
+            <p><strong>{{ _('Webcam stream not loaded') }}</strong></p>
+            <p><small>{{ _('It might not be correctly configured. You can change the URL of the stream under "Settings" > "Webcam & Timelapse" > "Stream URL". If you don\'t have a webcam just set the URL to an empty value.') }}</small></p>
+        </div>
+    </div>
+    <div id="webcam_rotator" data-bind="css: { webcam_rotated: control.settings.webcam_rotate90(), webcam_unrotated: !control.settings.webcam_rotate90() }">
+        <div class="webcam_fixed_ratio" data-bind="css: control.webcamRatioClass">
+            <div class="webcam_fixed_ratio_inner">
+                <img id="webcam_image" data-bind="css: { flipH: control.settings.webcam_flipH(), flipV: control.settings.webcam_flipV() }, event: { load: control.onWebcamLoaded, error: control.onWebcamErrored }, visible: !control.webcamError()">
+            </div>
+        </div>
+    </div>
+    <div class="keycontrol_overlay" data-bind="visible: control.showKeycontrols">
+        <div class="keycontrol_overlay_heading">{{ _("Keyboard controls active") }} <a href="#" data-bind="click: control.toggleKeycontrolHelp"><i data-bind="css: { 'icon-chevron-down': !control.keycontrolHelpActive(), 'icon-chevron-up': control.keycontrolHelpActive() }"></i></a></div>
+        <div data-bind="visible: control.keycontrolHelpActive">
+            <div class="keycontrol_overlay_column">
+                <kbd>&rarr;</kbd> / <kbd>&larr;</kbd>: {{ _("X Axis") }} +/-<br>
+                <kbd>&uarr;</kbd> / <kbd>&darr;</kbd>: {{ _("Y Axis") }} +/-<br>
+                <kbd>W</kbd>, <kbd>{{ _("Page&uarr;") }}</kbd> / <kbd>S</kbd>, <kbd>{{ _("Page&darr;") }}</kbd>: {{ _("Z Axis") }} +/-
+            </div>
+            <div class="keycontrol_overlay_column">
+                <kbd>Home</kbd>: {{ _("Home X/Y") }}<br>
+                <kbd>End</kbd>: {{ _("Home Z") }}<br>
+                <kbd>1</kbd>, <kbd>2</kbd>, <kbd>3</kbd>, <kbd>4</kbd>: {{ _("Stepsize") }} 0.1, 1, 10, 100mm
+            </div>
+        </div>
+    </div>
+</div>
+<div data-bind="visible: control.keycontrolPossible">
+    <small class="muted">{{ _("Hint: If you move your mouse over the picture, you enter keyboard control mode.") }}</small>
+</div>