Add web action for saving the current web page

Add the possibility to save web pages as single HTML file,
complete HTML (with resource directory) or MHTML archive.

Change-Id: Ic7e7cfda9432f3534c13350a6369d79bb17fd8b3
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@theqtcompany.com>

1 files changed, 59 insertions, 0 deletions

diff --git a/src/core/download_manager_delegate_qt.cpp b/src/core/download_manager_delegate_qt.cpp
index e9af98fd8..b6de27ca8 100644
--- a/src/core/download_manager_delegate_qt.cpp
+++ b/src/core/download_manager_delegate_qt.cpp
@@ -61,9 +61,15 @@ ASSERT_ENUMS_MATCH(content::DownloadItem::COMPLETE, BrowserContextAdapterClient:
 ASSERT_ENUMS_MATCH(content::DownloadItem::CANCELLED, BrowserContextAdapterClient::DownloadCancelled)
 ASSERT_ENUMS_MATCH(content::DownloadItem::INTERRUPTED, BrowserContextAdapterClient::DownloadInterrupted)
 
+ASSERT_ENUMS_MATCH(content::SAVE_PAGE_TYPE_UNKNOWN, BrowserContextAdapterClient::UnknownSavePageFormat)
+ASSERT_ENUMS_MATCH(content::SAVE_PAGE_TYPE_AS_ONLY_HTML, BrowserContextAdapterClient::SingleHtmlSaveFormat)
+ASSERT_ENUMS_MATCH(content::SAVE_PAGE_TYPE_AS_COMPLETE_HTML, BrowserContextAdapterClient::CompleteHtmlSaveFormat)
+ASSERT_ENUMS_MATCH(content::SAVE_PAGE_TYPE_AS_MHTML, BrowserContextAdapterClient::MimeHtmlSaveFormat)
+
 DownloadManagerDelegateQt::DownloadManagerDelegateQt(BrowserContextAdapter *contextAdapter)
     : m_contextAdapter(contextAdapter)
     , m_currentId(0)
+    , m_weakPtrFactory(this)
 {
     Q_ASSERT(m_contextAdapter);
 }
@@ -140,6 +146,7 @@ bool DownloadManagerDelegateQt::DetermineDownloadTarget(content::DownloadItem* i
             item->GetTotalBytes(),
             item->GetReceivedBytes(),
             suggestedFilePath,
+            BrowserContextAdapterClient::UnknownSavePageFormat,
             false /* accepted */
         };
 
@@ -181,6 +188,57 @@ void DownloadManagerDelegateQt::GetSaveDir(content::BrowserContext* browser_cont
     *skip_dir_check = true;
 }
 
+void DownloadManagerDelegateQt::ChooseSavePath(content::WebContents *web_contents,
+                        const base::FilePath &suggested_path,
+                        const base::FilePath::StringType &default_extension,
+                        bool can_save_as_complete,
+                        const content::SavePackagePathPickedCallback &callback)
+{
+    Q_UNUSED(default_extension);
+    Q_UNUSED(can_save_as_complete);
+
+    QList<BrowserContextAdapterClient*> clients = m_contextAdapter->clients();
+    if (clients.isEmpty())
+        return;
+
+    const QString suggestedFileName
+            = QFileInfo(toQt(suggested_path.AsUTF8Unsafe())).completeBaseName()
+            + QStringLiteral(".mhtml");
+    const QDir defaultDownloadDirectory
+            = QStandardPaths::writableLocation(QStandardPaths::DownloadLocation);
+    const QString suggestedFilePath = defaultDownloadDirectory.absoluteFilePath(suggestedFileName);
+
+    BrowserContextAdapterClient::DownloadItemInfo info = {
+        m_currentId + 1,
+        toQt(web_contents->GetURL()),
+        content::DownloadItem::IN_PROGRESS,
+        0, /* totalBytes */
+        0, /* receivedBytes */
+        suggestedFilePath,
+        BrowserContextAdapterClient::MimeHtmlSaveFormat,
+        false /* accepted */
+    };
+
+    Q_FOREACH (BrowserContextAdapterClient *client, clients) {
+        client->downloadRequested(info);
+        if (info.accepted)
+            break;
+    }
+
+    if (!info.accepted)
+        return;
+
+    callback.Run(toFilePath(info.path), static_cast<content::SavePageType>(info.savePageFormat),
+                 base::Bind(&DownloadManagerDelegateQt::savePackageDownloadCreated,
+                            m_weakPtrFactory.GetWeakPtr()));
+}
+
+void DownloadManagerDelegateQt::savePackageDownloadCreated(content::DownloadItem *item)
+{
+    OnDownloadUpdated(item);
+    item->AddObserver(this);
+}
+
 void DownloadManagerDelegateQt::OnDownloadUpdated(content::DownloadItem *download)
 {
     QList<BrowserContextAdapterClient*> clients = m_contextAdapter->clients();
@@ -192,6 +250,7 @@ void DownloadManagerDelegateQt::OnDownloadUpdated(content::DownloadItem *downloa
             download->GetTotalBytes(),
             download->GetReceivedBytes(),
             QString(),
+            BrowserContextAdapterClient::UnknownSavePageFormat,
             true /* accepted */
         };