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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_WEB_CONTENTS_FILE_CHOOSER_IMPL_H_
#define CONTENT_BROWSER_WEB_CONTENTS_FILE_CHOOSER_IMPL_H_
#include "base/functional/callback.h"
#include "base/memory/weak_ptr.h"
#include "content/common/content_export.h"
#include "content/public/browser/file_select_listener.h"
#include "content/public/browser/global_routing_id.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "third_party/blink/public/mojom/choosers/file_chooser.mojom.h"
namespace content {
class RenderFrameHostImpl;
// An implementation of blink::mojom::FileChooser and FileSelectListener
// associated to RenderFrameHost.
// TODO(sreejakshetty): Make FileChooserImpl per-frame and associate with
// DocumentUserData to ensure that the state is correctly tracked and
// deleted.
class CONTENT_EXPORT FileChooserImpl : public blink::mojom::FileChooser {
using FileChooserResult = blink::mojom::FileChooserResult;
public:
// A FileSelectListenerImpl instance is owned by a FileChooserImpl and/or a
// WebContents.
class CONTENT_EXPORT FileSelectListenerImpl : public FileSelectListener {
public:
explicit FileSelectListenerImpl(FileChooserImpl* owner);
void SetFullscreenBlock(base::ScopedClosureRunner fullscreen_block);
// FileSelectListener overrides:
// TODO(xiaochengh): Move |file| to the end of the argument list to match
// the argument ordering of FileChooserImpl::FileSelected().
void FileSelected(std::vector<blink::mojom::FileChooserFileInfoPtr> files,
const base::FilePath& base_dir,
blink::mojom::FileChooserParams::Mode mode) override;
void FileSelectionCanceled() override;
// This sets |was_file_select_listener_function_called_| to true so that
// tests can pass with mocked overrides of this class.
void SetListenerFunctionCalledTrueForTesting();
protected:
~FileSelectListenerImpl() override;
private:
base::WeakPtr<FileChooserImpl> owner_;
base::ScopedClosureRunner fullscreen_block_;
#if DCHECK_IS_ON()
bool was_file_select_listener_function_called_ = false;
bool was_fullscreen_block_set_ = false;
#endif
};
static void Create(RenderFrameHostImpl* render_frame_host,
mojo::PendingReceiver<blink::mojom::FileChooser> receiver);
static mojo::Remote<blink::mojom::FileChooser> CreateBoundForTesting(
RenderFrameHostImpl* render_frame_host);
static std::pair<FileChooserImpl*, mojo::Remote<blink::mojom::FileChooser>>
CreateForTesting(RenderFrameHostImpl* render_frame_host);
~FileChooserImpl() override;
void FileSelected(const base::FilePath& base_dir,
blink::mojom::FileChooserParams::Mode mode,
std::vector<blink::mojom::FileChooserFileInfoPtr> files);
void FileSelectionCanceled();
// blink::mojom::FileChooser overrides:
void OpenFileChooser(blink::mojom::FileChooserParamsPtr params,
OpenFileChooserCallback callback) override;
void EnumerateChosenDirectory(
const base::FilePath& directory_path,
EnumerateChosenDirectoryCallback callback) override;
base::WeakPtr<FileChooserImpl> GetWeakPtr() {
return weak_factory_.GetWeakPtr();
}
private:
explicit FileChooserImpl(RenderFrameHostImpl* render_frame_host);
RenderFrameHostImpl* render_frame_host();
const GlobalRenderFrameHostId render_frame_host_id_;
scoped_refptr<FileSelectListenerImpl> listener_impl_;
base::OnceCallback<void(blink::mojom::FileChooserResultPtr)> callback_;
base::WeakPtrFactory<FileChooserImpl> weak_factory_{this};
};
} // namespace content
#endif // CONTENT_BROWSER_WEB_CONTENTS_FILE_CHOOSER_IMPL_H_
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