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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_VIEWS_SELECT_FILE_DIALOG_EXTENSION_H_
#define CHROME_BROWSER_UI_VIEWS_SELECT_FILE_DIALOG_EXTENSION_H_
#include <vector>
#include "base/compiler_specific.h"
#include "base/memory/ref_counted.h"
#include "chrome/browser/ui/views/extensions/extension_dialog_observer.h"
#include "ui/gfx/native_widget_types.h" // gfx::NativeWindow
#include "ui/shell_dialogs/select_file_dialog.h"
class ExtensionDialog;
class Profile;
namespace content {
class RenderViewHost;
class WebContents;
}
namespace ui {
struct SelectedFileInfo;
class SelectFilePolicy;
}
// Shows a dialog box for selecting a file or a folder, using the
// file manager extension implementation.
class SelectFileDialogExtension
: public ui::SelectFileDialog,
public ExtensionDialogObserver {
public:
// Opaque ID type for identifying the tab spawned each dialog, unique for
// every WebContents.
typedef const void* RoutingID;
static RoutingID GetRoutingIDFromWebContents(
const content::WebContents* web_contents);
static SelectFileDialogExtension* Create(
ui::SelectFileDialog::Listener* listener,
ui::SelectFilePolicy* policy);
// BaseShellDialog implementation.
bool IsRunning(gfx::NativeWindow owner_window) const override;
void ListenerDestroyed() override;
// ExtensionDialog::Observer implementation.
void ExtensionDialogClosing(ExtensionDialog* dialog) override;
void ExtensionTerminated(ExtensionDialog* dialog) override;
// Routes callback to appropriate SelectFileDialog::Listener based on the
// owning |web_contents|.
static void OnFileSelected(RoutingID routing_id,
const ui::SelectedFileInfo& file,
int index);
static void OnMultiFilesSelected(
RoutingID routing_id,
const std::vector<ui::SelectedFileInfo>& files);
static void OnFileSelectionCanceled(RoutingID routing_id);
// For testing, so we can inject JavaScript into the contained view.
content::RenderViewHost* GetRenderViewHost();
protected:
// SelectFileDialog implementation.
void SelectFileImpl(Type type,
const base::string16& title,
const base::FilePath& default_path,
const FileTypeInfo* file_types,
int file_type_index,
const base::FilePath::StringType& default_extension,
gfx::NativeWindow owning_window,
void* params) override;
private:
friend class SelectFileDialogExtensionBrowserTest;
friend class SelectFileDialogExtensionTest;
// Object is ref-counted, use Create().
explicit SelectFileDialogExtension(SelectFileDialog::Listener* listener,
ui::SelectFilePolicy* policy);
~SelectFileDialogExtension() override;
// Invokes the appropriate file selection callback on our listener.
void NotifyListener();
// Adds this to the list of pending dialogs, used for testing.
void AddPending(RoutingID routing_id);
// Check if the list of pending dialogs contains dialog for |routing_id|.
static bool PendingExists(RoutingID routing_id);
// Returns true if the dialog has multiple file type choices.
bool HasMultipleFileTypeChoicesImpl() override;
bool has_multiple_file_type_choices_;
// Host for the extension that implements this dialog.
scoped_refptr<ExtensionDialog> extension_dialog_;
// ID of the tab that spawned this dialog, used to route callbacks.
RoutingID routing_id_;
// Pointer to the profile the dialog is running in.
Profile* profile_;
// The window that created the dialog.
gfx::NativeWindow owner_window_;
// We defer the callback into SelectFileDialog::Listener until the window
// closes, to match the semantics of file selection on Windows and Mac.
// These are the data passed to the listener.
enum SelectionType {
CANCEL = 0,
SINGLE_FILE,
MULTIPLE_FILES
};
SelectionType selection_type_;
std::vector<ui::SelectedFileInfo> selection_files_;
int selection_index_;
void* params_;
DISALLOW_COPY_AND_ASSIGN(SelectFileDialogExtension);
};
#endif // CHROME_BROWSER_UI_VIEWS_SELECT_FILE_DIALOG_EXTENSION_H_
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