Merge pull request #40 from Rafostar/resume-playback

Resume playback

data/com.github.rafostar.Clapper.gschema.xml

@@ -32,6 +32,14 @@
       <default>"second"</default>
       <summary>Unit to use with seeking value</summary>
     </key>
+    <key name="resume-enabled" type="b">
+      <default>true</default>
+      <summary>Ask to resume unfinished video</summary>
+    </key>
+    <key name="resume-database" type="s">
+      <default>'[]'</default>
+      <summary>Data storing unfinished videos resume info</summary>
+    </key>
 
     <!-- Audio -->
     <key name="audio-offset" type="d">

src/dialogs.js

@@ -162,6 +162,45 @@ class ClapperUriDialog extends Gtk.Dialog
     }
 });
 
+var ResumeDialog = GObject.registerClass(
+class ClapperResumeDialog extends Gtk.MessageDialog
+{
+    _init(window, resumeInfo)
+    {
+        const percentage = Math.round((resumeInfo.time / resumeInfo.duration) * 100);
+
+        const msg = [
+            `<b>Title:</b> ${resumeInfo.title}`,
+            `<b>Completed:</b> ${percentage}%`
+        ].join('\n');
+
+        super._init({
+            transient_for: window,
+            modal: true,
+            message_type: Gtk.MessageType.QUESTION,
+            buttons: Gtk.ButtonsType.YES_NO,
+            text: 'Resume playback?',
+            secondary_use_markup: true,
+            secondary_text: msg,
+        });
+
+        this.resumeInfo = resumeInfo;
+        this.connect('response', this._onResponse.bind(this));
+
+        this.show();
+    }
+
+    _onResponse(dialog, respId)
+    {
+        const { player } = this.transient_for.child;
+
+        if(respId === Gtk.ResponseType.YES)
+            player.seek_seconds(this.resumeInfo.time);
+
+        this.destroy();
+    }
+});
+
 var PrefsDialog = GObject.registerClass(
 class ClapperPrefsDialog extends Gtk.Dialog
 {

src/player.js

@@ -372,6 +372,27 @@ class ClapperPlayer extends PlayerBase
             if(size[0] > 0 && size[1] > 0)
                 clapperWidget._saveWindowSize(size);
         }
+        /* If "quitOnStop" is set here it means that we are in middle of autoclosing */
+        if(this.state !== GstClapper.ClapperState.STOPPED && !this.quitOnStop) {
+            let resumeInfo = {};
+            if(settings.get_boolean('resume-enabled')) {
+                const resumeTime = Math.floor(this.position / 1000000000);
+                const resumeDuration = this.duration / 1000000000;
+
+                /* Do not save resume info when video is short, just started or almost finished */
+                if(resumeDuration > 60 && resumeTime > 15 && resumeDuration - resumeTime > 20) {
+                    resumeInfo.title = this.playlistWidget.getActiveFilename();
+                    resumeInfo.time = resumeTime;
+                    resumeInfo.duration = resumeDuration;
+
+                    debug(`saving resume info for: ${resumeInfo.title}`);
+                    debug(`resume time: ${resumeInfo.time}, duration: ${resumeInfo.duration}`);
+                }
+                else
+                    debug('resume info is not worth saving');
+            }
+            settings.set_string('resume-database', JSON.stringify([resumeInfo]));
+        }
         settings.set_double('volume-last', this.volume);
 
         clapperWidget.controls._onCloseRequest();
@@ -427,8 +448,8 @@ class ClapperPlayer extends PlayerBase
 
         if(settings.get_boolean('close-auto')) {
             /* Stop will be automatically called soon afterwards */
-            this._performCloseCleanup(this.widget.get_root());
             this.quitOnStop = true;
+            this._performCloseCleanup(this.widget.get_root());
         }
     }
 

src/prefs.js

@@ -70,6 +70,9 @@ class ClapperBehaviourPage extends PrefsBase.Grid
             ['percentage', "Percentage"],
         ], 'seeking-unit');
         this.addSpinButton('Value', 1, 99, 'seeking-value');
+
+        this.addTitle('Resume');
+        this.addCheckButton('Ask to resume last unfinished video', 'resume-enabled');
     }
 });
 

src/widget.js

@@ -1,6 +1,7 @@
 const { Gdk, GLib, GObject, GstClapper, Gtk } = imports.gi;
 const { Controls } = imports.src.controls;
 const Debug = imports.src.debug;
+const Dialogs = imports.src.dialogs;
 const Misc = imports.src.misc;
 const { Player } = imports.src.player;
 const Revealers = imports.src.revealers;
@@ -487,21 +488,45 @@ class ClapperWidget extends Gtk.Grid
         this.revealerTop.endTime.set_visible(isNotStopped);
     }
 
-    _onPlayerDurationChanged(player)
+    _onPlayerDurationChanged(player, duration)
     {
-        const duration = Math.floor(player.get_duration() / 1000000000);
+        const durationSeconds = duration / 1000000000;
+        const durationFloor = Math.floor(durationSeconds);
 
         /* Sometimes GstPlayer might re-emit
          * duration changed during playback */
-        if(this.controls.currentDuration === duration)
+        if(this.controls.currentDuration === durationFloor)
             return;
 
-        this.controls.currentDuration = duration;
-        this.controls.showHours = (duration >= 3600);
+        this.controls.currentDuration = durationFloor;
+        this.controls.showHours = (durationFloor >= 3600);
 
-        this.controls.positionAdjustment.set_upper(duration);
-        this.controls.durationFormatted = Misc.getFormattedTime(duration);
+        this.controls.positionAdjustment.set_upper(durationFloor);
+        this.controls.durationFormatted = Misc.getFormattedTime(durationFloor);
         this.controls.updateElapsedLabel();
+
+        if(settings.get_boolean('resume-enabled')) {
+            const resumeDatabase = JSON.parse(settings.get_string('resume-database'));
+            const title = player.playlistWidget.getActiveFilename();
+
+            debug(`searching database for resume info: ${title}`);
+
+            const resumeInfo = resumeDatabase.find(info => {
+                return (info.title === title && info.duration === durationSeconds);
+            });
+
+            if(resumeInfo) {
+                debug('found resume info: ' + JSON.stringify(resumeInfo));
+                new Dialogs.ResumeDialog(this.root, resumeInfo);
+
+                const shrunkDatabase = resumeDatabase.filter(info => {
+                    return !(info.title === title && info.duration === durationSeconds);
+                });
+                settings.set_string('resume-database', JSON.stringify(shrunkDatabase));
+            }
+            else
+                debug('resume info not found');
+        }
     }
 
     _onPlayerPositionUpdated(player, position)