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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_ANDROID_DEVICE_DIALOG_USB_CHOOSER_DIALOG_ANDROID_H_
#define CHROME_BROWSER_UI_ANDROID_DEVICE_DIALOG_USB_CHOOSER_DIALOG_ANDROID_H_
#include <memory>
#include <string>
#include <vector>
#include "base/android/jni_android.h"
#include "base/android/jni_string.h"
#include "base/android/scoped_java_ref.h"
#include "base/functional/callback.h"
#include "components/permissions/chooser_controller.h"
#include "third_party/jni_zero/jni_zero.h"
namespace content {
class RenderFrameHost;
}
// Represents a way to ask the user to select a USB device from a list of
// options.
class UsbChooserDialogAndroid : public permissions::ChooserController::View {
public:
// The callback type for creating the java dialog object.
using CreateJavaDialogCallback =
base::OnceCallback<base::android::ScopedJavaLocalRef<jobject>(
JNIEnv*,
const base::android::JavaRef<jobject>&,
const std::u16string&,
JniIntWrapper,
const base::android::JavaRef<jobject>&,
jlong)>;
// Creates and shows the dialog. Will return nullptr if the dialog was not
// displayed. Otherwise |on_close| will be called when the user closes the
// dialog.
static std::unique_ptr<UsbChooserDialogAndroid> Create(
content::RenderFrameHost* render_frame_host,
std::unique_ptr<permissions::ChooserController> controller,
base::OnceClosure on_close);
static std::unique_ptr<UsbChooserDialogAndroid> CreateForTesting(
content::RenderFrameHost* render_frame_host,
std::unique_ptr<permissions::ChooserController> controller,
base::OnceClosure on_close,
UsbChooserDialogAndroid::CreateJavaDialogCallback
create_java_dialog_callback);
explicit UsbChooserDialogAndroid(
std::unique_ptr<permissions::ChooserController> controller,
base::OnceClosure on_close);
UsbChooserDialogAndroid(const UsbChooserDialogAndroid&) = delete;
UsbChooserDialogAndroid& operator=(const UsbChooserDialogAndroid&) = delete;
~UsbChooserDialogAndroid() override;
// permissions::ChooserController::View implementation
void OnOptionsInitialized() override;
void OnOptionAdded(size_t index) override;
void OnOptionRemoved(size_t index) override;
void OnOptionUpdated(size_t index) override;
void OnAdapterEnabledChanged(bool enabled) override;
void OnRefreshStateChanged(bool refreshing) override;
// Report the dialog's result.
void OnItemSelected(JNIEnv* env, std::string& item_id);
void OnDialogCancelled(JNIEnv* env);
void LoadUsbHelpPage(JNIEnv* env);
private:
// Called when the chooser dialog is closed.
void Cancel();
static std::unique_ptr<UsbChooserDialogAndroid> CreateInternal(
content::RenderFrameHost* render_frame_host,
std::unique_ptr<permissions::ChooserController> controller,
base::OnceClosure on_close,
UsbChooserDialogAndroid::CreateJavaDialogCallback
create_java_dialog_callback);
std::unique_ptr<permissions::ChooserController> controller_;
base::OnceClosure on_close_;
// The Java dialog code expects items to have unique string IDs while the
// ChooserController code refers to devices by their position in the list.
int next_item_id_ = 0;
std::vector<std::string> item_id_map_;
base::android::ScopedJavaGlobalRef<jobject> java_dialog_;
};
#endif // CHROME_BROWSER_UI_ANDROID_DEVICE_DIALOG_USB_CHOOSER_DIALOG_ANDROID_H_
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