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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/capture_mode/fake_folder_selection_dialog_factory.h"
#include <memory>
#include "base/check.h"
#include "base/check_op.h"
#include "base/memory/ptr_util.h"
#include "ui/aura/window.h"
#include "ui/aura/window_observer.h"
#include "ui/gfx/geometry/insets.h"
#include "ui/shell_dialogs/select_file_dialog.h"
#include "ui/shell_dialogs/select_file_policy.h"
#include "ui/shell_dialogs/selected_file_info.h"
#include "ui/views/widget/unique_widget_ptr.h"
#include "ui/views/widget/widget.h"
#include "url/gurl.h"
namespace ash {
namespace {
FakeFolderSelectionDialogFactory* g_factory_instance = nullptr;
} // namespace
// -----------------------------------------------------------------------------
// FakeFolderSelectionDialog:
class FakeFolderSelectionDialog : public ui::SelectFileDialog {
public:
FakeFolderSelectionDialog(Listener* listener,
std::unique_ptr<ui::SelectFilePolicy> policy)
: ui::SelectFileDialog(listener, std::move(policy)) {}
aura::Window* GetDialogWindow() {
DCHECK(dialog_widget_);
return dialog_widget_->GetNativeWindow();
}
void AcceptPath(const base::FilePath& path) {
DCHECK(dialog_widget_);
if (listener_) {
listener_->FileSelected(ui::SelectedFileInfo(path), /*index=*/0);
}
DismissDialog();
}
void CancelDialog() {
DCHECK(dialog_widget_);
if (listener_) {
listener_->FileSelectionCanceled();
}
DismissDialog();
}
// ui::BaseShellDialog:
bool IsRunning(gfx::NativeWindow owning_window) const override {
// The dialog is not shown modally.
return false;
}
void ListenerDestroyed() override { listener_ = nullptr; }
protected:
~FakeFolderSelectionDialog() override {
if (g_factory_instance)
g_factory_instance->OnDialogDeleted(this);
}
// ui::SelectFileDialog:
void SelectFileImpl(Type type,
const std::u16string& title,
const base::FilePath& default_path,
const FileTypeInfo* file_types,
int file_type_index,
const base::FilePath::StringType& default_extension,
gfx::NativeWindow owning_window,
const GURL* caller) override {
dialog_widget_ = views::UniqueWidgetPtr(std::make_unique<views::Widget>());
views::Widget::InitParams widget_params(
views::Widget::InitParams::NATIVE_WIDGET_OWNS_WIDGET,
views::Widget::InitParams::TYPE_POPUP);
widget_params.parent = owning_window;
widget_params.bounds = owning_window->GetRootWindow()->bounds();
widget_params.bounds.Inset(gfx::Insets(20));
widget_params.name = "FakeFolderSelectionDialogWidget";
dialog_widget_->Init(std::move(widget_params));
dialog_widget_->Show();
}
private:
void DismissDialog() {
dialog_widget_->CloseNow();
// |this| is deleted after the above call.
DCHECK(!g_factory_instance || !(g_factory_instance->dialog_));
}
// ui::SelectFileDialog:
bool HasMultipleFileTypeChoicesImpl() override { return false; }
views::UniqueWidgetPtr dialog_widget_;
};
// -----------------------------------------------------------------------------
// FakeFolderSelectionDialogFactory:
// static
void FakeFolderSelectionDialogFactory::Start() {
ui::SelectFileDialog::SetFactory(
// Private constructor.
base::WrapUnique(new FakeFolderSelectionDialogFactory()));
}
// static
void FakeFolderSelectionDialogFactory::Stop() {
ui::SelectFileDialog::SetFactory(nullptr);
DCHECK(!g_factory_instance);
}
// static
FakeFolderSelectionDialogFactory* FakeFolderSelectionDialogFactory::Get() {
DCHECK(g_factory_instance);
return g_factory_instance;
}
aura::Window* FakeFolderSelectionDialogFactory::GetDialogWindow() {
DCHECK(dialog_);
return dialog_->GetDialogWindow();
}
void FakeFolderSelectionDialogFactory::AcceptPath(const base::FilePath& path) {
DCHECK(dialog_);
dialog_->AcceptPath(path);
}
void FakeFolderSelectionDialogFactory::CancelDialog() {
DCHECK(dialog_);
dialog_->CancelDialog();
}
ui::SelectFileDialog* FakeFolderSelectionDialogFactory::Create(
ui::SelectFileDialog::Listener* listener,
std::unique_ptr<ui::SelectFilePolicy> policy) {
dialog_ = new FakeFolderSelectionDialog(listener, std::move(policy));
return dialog_;
}
FakeFolderSelectionDialogFactory::FakeFolderSelectionDialogFactory() {
DCHECK(!g_factory_instance);
g_factory_instance = this;
}
FakeFolderSelectionDialogFactory::~FakeFolderSelectionDialogFactory() {
DCHECK_EQ(g_factory_instance, this);
g_factory_instance = nullptr;
}
void FakeFolderSelectionDialogFactory::OnDialogDeleted(
FakeFolderSelectionDialog* dialog) {
DCHECK_EQ(dialog_, dialog);
dialog_ = nullptr;
}
} // namespace ash
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