Implement pause and resume action in Download Items

Adds the ability to pause downloads, and resume paused or interrupted
downloads.

Task-number: QTBUG-56840
Change-Id: I018bd30c3a772a36d48e4154d94f69cb8d8319e4
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>

5 files changed, 38 insertions, 0 deletions

diff --git a/src/core/browser_context_adapter.cpp b/src/core/browser_context_adapter.cpp
index bec76ad81..f76969c74 100644
--- a/src/core/browser_context_adapter.cpp
+++ b/src/core/browser_context_adapter.cpp
@@ -184,6 +184,16 @@ void BrowserContextAdapter::cancelDownload(quint32 downloadId)
     downloadManagerDelegate()->cancelDownload(downloadId);
 }
 
+void BrowserContextAdapter::pauseDownload(quint32 downloadId)
+{
+    downloadManagerDelegate()->pauseDownload(downloadId);
+}
+
+void BrowserContextAdapter::resumeDownload(quint32 downloadId)
+{
+    downloadManagerDelegate()->resumeDownload(downloadId);
+}
+
 QSharedPointer<BrowserContextAdapter> BrowserContextAdapter::defaultContext()
 {
     return WebEngineContext::current()->defaultBrowserContext();
diff --git a/src/core/browser_context_adapter.h b/src/core/browser_context_adapter.h
index f6ebfd51c..5960014b9 100644
--- a/src/core/browser_context_adapter.h
+++ b/src/core/browser_context_adapter.h
@@ -86,6 +86,8 @@ public:
     void removeClient(BrowserContextAdapterClient *adapterClient);
 
     void cancelDownload(quint32 downloadId);
+    void pauseDownload(quint32 downloadId);
+    void resumeDownload(quint32 downloadId);
 
     BrowserContextQt *browserContext();
 
diff --git a/src/core/browser_context_adapter_client.h b/src/core/browser_context_adapter_client.h
index e1fd02f96..02bee8ed6 100644
--- a/src/core/browser_context_adapter_client.h
+++ b/src/core/browser_context_adapter_client.h
@@ -118,6 +118,8 @@ public:
         QString path;
         int savePageFormat;
         bool accepted;
+        bool paused;
+        bool done;
         int downloadType;
         int downloadInterruptReason;
     };
diff --git a/src/core/download_manager_delegate_qt.cpp b/src/core/download_manager_delegate_qt.cpp
index 77469a8ea..67c809032 100644
--- a/src/core/download_manager_delegate_qt.cpp
+++ b/src/core/download_manager_delegate_qt.cpp
@@ -92,6 +92,22 @@ void DownloadManagerDelegateQt::cancelDownload(quint32 downloadId)
         download->Cancel(/* user_cancel */ true);
 }
 
+void DownloadManagerDelegateQt::pauseDownload(quint32 downloadId)
+{
+    content::DownloadManager* dlm = content::BrowserContext::GetDownloadManager(m_contextAdapter->browserContext());
+    content::DownloadItem *download = dlm->GetDownload(downloadId);
+    if (download)
+        download->Pause();
+}
+
+void DownloadManagerDelegateQt::resumeDownload(quint32 downloadId)
+{
+    content::DownloadManager* dlm = content::BrowserContext::GetDownloadManager(m_contextAdapter->browserContext());
+    content::DownloadItem *download = dlm->GetDownload(downloadId);
+    if (download)
+        download->Resume();
+}
+
 bool DownloadManagerDelegateQt::DetermineDownloadTarget(content::DownloadItem* item,
                                                         const content::DownloadTargetCallback& callback)
 {
@@ -155,6 +171,8 @@ bool DownloadManagerDelegateQt::DetermineDownloadTarget(content::DownloadItem* i
             suggestedFilePath,
             BrowserContextAdapterClient::UnknownSavePageFormat,
             false /* accepted */,
+            false /* paused */,
+            false /* done */,
             m_downloadType,
             item->GetLastReason()
         };
@@ -245,6 +263,8 @@ void DownloadManagerDelegateQt::ChooseSavePath(content::WebContents *web_content
         suggestedFilePath,
         suggestedSaveFormat,
         acceptedByDefault,
+        false, /* paused */
+        false, /* done */
         BrowserContextAdapterClient::SavePage,
         BrowserContextAdapterClient::NoReason
     };
@@ -283,6 +303,8 @@ void DownloadManagerDelegateQt::OnDownloadUpdated(content::DownloadItem *downloa
             QString(),
             BrowserContextAdapterClient::UnknownSavePageFormat,
             true /* accepted */,
+            download->IsPaused(),
+            download->IsDone(),
             m_downloadType,
             download->GetLastReason()
         };
diff --git a/src/core/download_manager_delegate_qt.h b/src/core/download_manager_delegate_qt.h
index cd21d330c..aec83cb41 100644
--- a/src/core/download_manager_delegate_qt.h
+++ b/src/core/download_manager_delegate_qt.h
@@ -83,6 +83,8 @@ public:
                         const content::SavePackagePathPickedCallback &callback) override;
 
     void cancelDownload(quint32 downloadId);
+    void pauseDownload(quint32 downloadId);
+    void resumeDownload(quint32 downloadId);
 
     void setDownloadType(int downloadType) { m_downloadType = downloadType; }