From 3150def9fc2be4677921c14ffca79e565f4280f7 Mon Sep 17 00:00:00 2001
From: Anmol Gautam <tarptaeya@gmail.com>
Date: Sun, 31 Mar 2019 18:01:23 +0530
Subject: [PATCH] added pause/resume for downloads

Summary: Added button to pause/resume download from the download manager

Reviewers: drosca

Reviewed By: drosca

Subscribers: falkon

Tags: #falkon

Differential Revision: https://phabricator.kde.org/D20037
---
 src/lib/downloads/downloaditem.cpp | 35 +++++++++++++++++++++---
 src/lib/downloads/downloaditem.h   |  1 +
 src/lib/downloads/downloaditem.ui  | 44 ++++++++++++++++++++----------
 3 files changed, 62 insertions(+), 18 deletions(-)

diff --git a/src/lib/downloads/downloaditem.cpp b/src/lib/downloads/downloaditem.cpp
index 5d00cd4c6..f77fe47c9 100644
--- a/src/lib/downloads/downloaditem.cpp
+++ b/src/lib/downloads/downloaditem.cpp
@@ -66,13 +66,15 @@ DownloadItem::DownloadItem(QListWidgetItem *item, QWebEngineDownloadItem* downlo
     ui->setupUi(this);
     setMaximumWidth(525);
 
-    ui->button->setPixmap(QIcon::fromTheme(QSL("process-stop")).pixmap(20, 20));
+    ui->cancelButton->setPixmap(QIcon::fromTheme(QSL("process-stop")).pixmap(20, 20));
+    ui->pauseResumeButton->setPixmap(QIcon::fromTheme(QSL("media-playback-pause")).pixmap(20, 20));
     ui->fileName->setText(m_fileName);
     ui->downloadInfo->setText(tr("Remaining time unavailable"));
 
     setContextMenuPolicy(Qt::CustomContextMenu);
     connect(this, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(customContextMenuRequested(QPoint)));
-    connect(ui->button, &ClickableLabel::clicked, this, &DownloadItem::stop);
+    connect(ui->cancelButton, &ClickableLabel::clicked, this, &DownloadItem::stop);
+    connect(ui->pauseResumeButton, &ClickableLabel::clicked, this, &DownloadItem::pauseResume);
     connect(manager, &DownloadManager::resized, this, &DownloadItem::parentResized);
 }
 
@@ -138,7 +140,8 @@ void DownloadItem::finished()
     }
 
     ui->progressBar->hide();
-    ui->button->hide();
+    ui->cancelButton->hide();
+    ui->pauseResumeButton->hide();
     ui->frame->hide();
 
     m_item->setSizeHint(sizeHint());
@@ -231,6 +234,10 @@ void DownloadItem::updateDownloadInfo(double currSpeed, qint64 received, qint64
     //          | m_remTime |   |m_currSize|  |m_fileSize|  |m_speed|
     // Remaining 26 minutes -     339MB of      693 MB        (350kB/s)
 
+    if (m_download->isPaused()) {
+        return;
+    }
+
     int estimatedTime = ((total - received) / 1024) / (currSpeed / 1024);
     QString speed = currentSpeedToString(currSpeed);
     // We have QString speed now
@@ -261,7 +268,8 @@ void DownloadItem::stop()
     }
     m_downloadStopped = true;
     ui->progressBar->hide();
-    ui->button->hide();
+    ui->cancelButton->hide();
+    ui->pauseResumeButton->hide();
     m_item->setSizeHint(sizeHint());
     ui->downloadInfo->setText(tr("Cancelled - %1").arg(m_download->url().host()));
     m_download->cancel();
@@ -270,6 +278,18 @@ void DownloadItem::stop()
     emit downloadFinished(false);
 }
 
+void DownloadItem::pauseResume()
+{
+    if (m_download->isPaused()) {
+        m_download->resume();
+        ui->pauseResumeButton->setPixmap(QIcon::fromTheme(QSL("media-playback-pause")).pixmap(20, 20));
+    } else {
+        m_download->pause();
+        ui->pauseResumeButton->setPixmap(QIcon::fromTheme(QSL("media-playback-start")).pixmap(20, 20));
+        ui->downloadInfo->setText(tr("Paused - %1").arg(m_download->url().host()));
+    }
+}
+
 void DownloadItem::mouseDoubleClickEvent(QMouseEvent* e)
 {
     openFile();
@@ -286,6 +306,13 @@ void DownloadItem::customContextMenuRequested(const QPoint &pos)
     menu.addAction(QIcon::fromTheme("edit-copy"), tr("Copy Download Link"), this, &DownloadItem::copyDownloadLink);
     menu.addSeparator();
     menu.addAction(QIcon::fromTheme("process-stop"), tr("Cancel downloading"), this, &DownloadItem::stop)->setEnabled(m_downloading);
+
+    if (m_download->isPaused()) {
+        menu.addAction(QIcon::fromTheme("media-playback-start"), tr("Resume downloading"), this, &DownloadItem::pauseResume)->setEnabled(m_downloading);
+    } else {
+        menu.addAction(QIcon::fromTheme("media-playback-pause"), tr("Pause downloading"), this, &DownloadItem::pauseResume)->setEnabled(m_downloading);
+    }
+
     menu.addAction(QIcon::fromTheme("list-remove"), tr("Remove From List"), this, &DownloadItem::clear)->setEnabled(!m_downloading);
 
     if (m_downloading || ui->downloadInfo->text().startsWith(tr("Cancelled")) || ui->downloadInfo->text().startsWith(tr("Error"))) {
diff --git a/src/lib/downloads/downloaditem.h b/src/lib/downloads/downloaditem.h
index 7e38d3094..fac639571 100644
--- a/src/lib/downloads/downloaditem.h
+++ b/src/lib/downloads/downloaditem.h
@@ -65,6 +65,7 @@ private Q_SLOTS:
     void finished();
     void downloadProgress(qint64 received, qint64 total);
     void stop();
+    void pauseResume();
     void openFile();
     void openFolder();
     void customContextMenuRequested(const QPoint &pos);
diff --git a/src/lib/downloads/downloaditem.ui b/src/lib/downloads/downloaditem.ui
index a0a32b7e1..b382c0351 100644
--- a/src/lib/downloads/downloaditem.ui
+++ b/src/lib/downloads/downloaditem.ui
@@ -33,13 +33,6 @@
      </property>
     </widget>
    </item>
-   <item row="0" column="1" colspan="2">
-    <widget class="SqueezeLabelV2" name="fileName">
-     <property name="text">
-      <string notr="true">A Clockwork Orange.avi</string>
-     </property>
-    </widget>
-   </item>
    <item row="2" column="1" colspan="2">
     <widget class="SqueezeLabelV2" name="downloadInfo">
      <property name="text">
@@ -47,6 +40,13 @@
      </property>
     </widget>
    </item>
+   <item row="0" column="1" colspan="2">
+    <widget class="SqueezeLabelV2" name="fileName">
+     <property name="text">
+      <string notr="true">A Clockwork Orange.avi</string>
+     </property>
+    </widget>
+   </item>
    <item row="1" column="1" colspan="2">
     <widget class="QFrame" name="frame">
      <property name="maximumSize">
@@ -56,7 +56,16 @@
       </size>
      </property>
      <layout class="QHBoxLayout" name="progressFrame">
-      <property name="margin">
+      <property name="leftMargin">
+       <number>0</number>
+      </property>
+      <property name="topMargin">
+       <number>0</number>
+      </property>
+      <property name="rightMargin">
+       <number>0</number>
+      </property>
+      <property name="bottomMargin">
        <number>0</number>
       </property>
       <item>
@@ -73,7 +82,14 @@
        </widget>
       </item>
       <item>
-       <widget class="ClickableLabel" name="button">
+       <widget class="ClickableLabel" name="pauseResumeButton">
+        <property name="text">
+         <string/>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="ClickableLabel" name="cancelButton">
         <property name="text">
          <string/>
         </property>
@@ -85,16 +101,16 @@
   </layout>
  </widget>
  <customwidgets>
-  <customwidget>
-   <class>ClickableLabel</class>
-   <extends>QLabel</extends>
-   <header>clickablelabel.h</header>
-  </customwidget>
   <customwidget>
    <class>SqueezeLabelV2</class>
    <extends>QLabel</extends>
    <header>squeezelabelv2.h</header>
   </customwidget>
+  <customwidget>
+   <class>ClickableLabel</class>
+   <extends>QLabel</extends>
+   <header>clickablelabel.h</header>
+  </customwidget>
  </customwidgets>
  <resources/>
  <connections/>