File: usb_chooser_dialog_android.cc

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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.

#include "chrome/browser/ui/android/device_dialog/usb_chooser_dialog_android.h"

#include <stddef.h>

#include <algorithm>
#include <utility>

#include "base/android/jni_android.h"
#include "base/android/jni_string.h"
#include "base/functional/bind.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/url_constants.h"
#include "components/permissions/permission_util.h"
#include "components/security_state/content/security_state_tab_helper.h"
#include "components/security_state/core/security_state.h"
#include "components/url_formatter/elide_url.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "device/vr/buildflags/buildflags.h"
#include "ui/android/window_android.h"
#include "url/gurl.h"

// Must come after all headers that specialize FromJniType() / ToJniType().
#include "chrome/android/chrome_jni_headers/UsbChooserDialog_jni.h"

namespace {

UsbChooserDialogAndroid::CreateJavaDialogCallback
GetCreateJavaUsbChooserDialogCallback() {
  return base::BindOnce(&Java_UsbChooserDialog_create);
}

}  // namespace

// static
std::unique_ptr<UsbChooserDialogAndroid> UsbChooserDialogAndroid::Create(
    content::RenderFrameHost* render_frame_host,
    std::unique_ptr<permissions::ChooserController> controller,
    base::OnceClosure on_close) {
  return CreateInternal(render_frame_host, std::move(controller),
                        std::move(on_close),
                        GetCreateJavaUsbChooserDialogCallback());
}

// static
std::unique_ptr<UsbChooserDialogAndroid>
UsbChooserDialogAndroid::CreateForTesting(
    content::RenderFrameHost* render_frame_host,
    std::unique_ptr<permissions::ChooserController> controller,
    base::OnceClosure on_close,
    CreateJavaDialogCallback create_java_dialog_callback) {
  return CreateInternal(render_frame_host, std::move(controller),
                        std::move(on_close),
                        std::move(create_java_dialog_callback));
}

// static
std::unique_ptr<UsbChooserDialogAndroid>
UsbChooserDialogAndroid::CreateInternal(
    content::RenderFrameHost* render_frame_host,
    std::unique_ptr<permissions::ChooserController> controller,
    base::OnceClosure on_close,
    CreateJavaDialogCallback create_java_dialog_callback) {
  content::WebContents* web_contents =
      content::WebContents::FromRenderFrameHost(render_frame_host);

  // Create (and show) the UsbChooser dialog.
  base::android::ScopedJavaLocalRef<jobject> window_android =
      web_contents->GetNativeView()->GetWindowAndroid()->GetJavaObject();
  JNIEnv* env = base::android::AttachCurrentThread();
  // Permission delegation means the permission request should be
  // attributed to the main frame.
  const auto origin = url::Origin::Create(
      permissions::PermissionUtil::GetLastCommittedOriginAsURL(
          render_frame_host->GetMainFrame()));
  std::u16string origin_string =
      url_formatter::FormatOriginForSecurityDisplay(origin);
  SecurityStateTabHelper* helper =
      SecurityStateTabHelper::FromWebContents(web_contents);
  DCHECK(helper);

  Profile* profile =
      Profile::FromBrowserContext(render_frame_host->GetBrowserContext());
  DCHECK(profile);

  base::android::ScopedJavaLocalRef<jobject> j_profile_android =
      profile->GetJavaObject();
  DCHECK(!j_profile_android.is_null());

  auto dialog = std::make_unique<UsbChooserDialogAndroid>(std::move(controller),
                                                          std::move(on_close));

  dialog->java_dialog_.Reset(
      std::move(create_java_dialog_callback)
          .Run(env, window_android, origin_string, helper->GetSecurityLevel(),
               j_profile_android, reinterpret_cast<intptr_t>(dialog.get())));
  if (dialog->java_dialog_.is_null()) {
    return nullptr;
  }

  return dialog;
}

UsbChooserDialogAndroid::UsbChooserDialogAndroid(
    std::unique_ptr<permissions::ChooserController> controller,
    base::OnceClosure on_close)
    : controller_(std::move(controller)), on_close_(std::move(on_close)) {
  controller_->set_view(this);
}

UsbChooserDialogAndroid::~UsbChooserDialogAndroid() {
  if (!java_dialog_.is_null()) {
    Java_UsbChooserDialog_closeDialog(base::android::AttachCurrentThread(),
                                      java_dialog_);
  }
  controller_->set_view(nullptr);
}

void UsbChooserDialogAndroid::OnOptionsInitialized() {
  for (size_t i = 0; i < controller_->NumOptions(); ++i) {
    OnOptionAdded(i);
  }

  JNIEnv* env = base::android::AttachCurrentThread();
  Java_UsbChooserDialog_setIdleState(env, java_dialog_);
}

void UsbChooserDialogAndroid::OnOptionAdded(size_t index) {
  JNIEnv* env = base::android::AttachCurrentThread();

  DCHECK_LE(index, item_id_map_.size());
  int item_id = next_item_id_++;
  std::string item_id_str = base::NumberToString(item_id);
  item_id_map_.insert(item_id_map_.begin() + index, item_id_str);

  std::u16string device_name = controller_->GetOption(index);
  Java_UsbChooserDialog_addDevice(env, java_dialog_, item_id_str, device_name);
}

void UsbChooserDialogAndroid::OnOptionRemoved(size_t index) {
  JNIEnv* env = base::android::AttachCurrentThread();

  DCHECK_LT(index, item_id_map_.size());
  std::string item_id = item_id_map_[index];
  item_id_map_.erase(item_id_map_.begin() + index);

  Java_UsbChooserDialog_removeDevice(env, java_dialog_, item_id);
}

void UsbChooserDialogAndroid::OnOptionUpdated(size_t index) {
  NOTREACHED();
}

void UsbChooserDialogAndroid::OnAdapterEnabledChanged(bool enabled) {
  NOTREACHED();
}

void UsbChooserDialogAndroid::OnRefreshStateChanged(bool refreshing) {
  NOTREACHED();
}

void UsbChooserDialogAndroid::OnItemSelected(JNIEnv* env,
                                             std::string& item_id) {
  auto it = std::ranges::find(item_id_map_, item_id);
  CHECK(it != item_id_map_.end());
  controller_->Select(
      {static_cast<size_t>(std::distance(item_id_map_.begin(), it))});
  std::move(on_close_).Run();
}

void UsbChooserDialogAndroid::OnDialogCancelled(JNIEnv* env) {
  Cancel();
}

void UsbChooserDialogAndroid::LoadUsbHelpPage(JNIEnv* env) {
  controller_->OpenHelpCenterUrl();
  Cancel();
}

void UsbChooserDialogAndroid::Cancel() {
  controller_->Cancel();
  std::move(on_close_).Run();
}