[Widgets] wire the file pickers

Introduce a new version of chooseFiles in QWebEnginePage.
The existing API in WebKit1 seemed a bit dusty in any case (multiple
only supported via extensions).

Changes are:
  * oldFile becomes oldFiles, so that we could at a later stage expose
    the already selected files in the "multiple" case.
  * a type is introduced, for now limited to multiple selection, but
    over time, we might consider additions such as directory upload.

Change-Id: I14cfea64ce95e892a0a1877c8cb914c5a421409f
Reviewed-by: Jocelyn Turcotte <jocelyn.turcotte@digia.com>

1 files changed, 27 insertions, 0 deletions

diff --git a/src/core/web_contents_adapter.cpp b/src/core/web_contents_adapter.cpp
index f3caa7478..7542f35bd 100644
--- a/src/core/web_contents_adapter.cpp
+++ b/src/core/web_contents_adapter.cpp
@@ -55,8 +55,10 @@
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/page_zoom.h"
 #include "content/public/common/renderer_preferences.h"
+#include "ui/shell_dialogs/selected_file_info.h"
 
 #include <QGuiApplication>
+#include <QStringList>
 #include <QStyleHints>
 #include <QVariant>
 
@@ -146,6 +148,19 @@ static void callbackOnEvaluateJS(JSCallbackBase *callback, const base::Value *re
     delete callback;
 }
 
+static QStringList listRecursively(const QDir& dir) {
+    QStringList ret;
+    QFileInfoList infoList(dir.entryInfoList(QDir::Dirs | QDir::Files | QDir::NoDotAndDotDot |QDir::Hidden));
+    Q_FOREACH (const QFileInfo &fileInfo, infoList) {
+        if (fileInfo.isDir()) {
+            ret.append(fileInfo.absolutePath() + QStringLiteral("/.")); // Match chromium's behavior. See chrome/browser/file_select_helper.cc
+            ret.append(listRecursively(QDir(fileInfo.absoluteFilePath())));
+        } else
+            ret.append(fileInfo.absoluteFilePath());
+    }
+    return ret;
+}
+
 class WebContentsAdapterPrivate {
 public:
     WebContentsAdapterPrivate(WebContentsAdapterClient::RenderingMode renderingMode);
@@ -355,3 +370,15 @@ void WebContentsAdapter::dpiScaleChanged()
     if (impl)
         impl->NotifyScreenInfoChanged();
 }
+
+void WebContentsAdapter::filesSelectedInChooser(const QStringList &fileList, WebContentsAdapterClient::FileChooserMode mode)
+{
+    Q_D(WebContentsAdapter);
+    content::RenderViewHost *rvh = d->webContents->GetRenderViewHost();
+    Q_ASSERT(rvh);
+    QStringList files(fileList);
+    if (mode == WebContentsAdapterClient::UploadFolder && !fileList.isEmpty()
+            && QFileInfo(fileList.first()).isDir()) // Enumerate the directory
+        files = listRecursively(QDir(fileList.first()));
+    rvh->FilesSelectedInChooser(toVector<ui::SelectedFileInfo>(files), static_cast<content::FileChooserParams::Mode>(mode));
+}