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// Copyright 2019 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.
#include "chrome/browser/extensions/api/tabs/tabs_util.h"
#include "ash/public/cpp/window_pin_type.h"
#include "ash/public/cpp/window_properties.h"
#include "base/metrics/histogram_macros.h"
#include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
#include "chrome/browser/chromeos/arc/arc_session_manager.h"
#include "chrome/browser/chromeos/arc/arc_util.h"
#include "chrome/browser/chromeos/arc/voice_interaction/voice_interaction_controller_client.h"
#include "chrome/browser/chromeos/assistant/assistant_util.h"
#include "chrome/browser/ui/ash/chrome_screenshot_grabber.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_command_controller.h"
#include "chrome/browser/ui/browser_window.h"
#include "content/public/browser/devtools_agent_host.h"
#include "ui/aura/window.h"
#include "ui/base/clipboard/clipboard.h"
#include "ui/base/clipboard/clipboard_buffer.h"
namespace extensions {
namespace tabs_util {
void SetLockedFullscreenState(Browser* browser, bool locked) {
UMA_HISTOGRAM_BOOLEAN("Extensions.LockedFullscreenStateRequest", locked);
aura::Window* window = browser->window()->GetNativeWindow();
// TRUSTED_PINNED is used here because that one locks the window fullscreen
// without allowing the user to exit (as opposed to regular PINNED).
window->SetProperty(
ash::kWindowPinTypeKey,
locked ? ash::WindowPinType::kTrustedPinned : ash::WindowPinType::kNone);
// Update the set of available browser commands.
browser->command_controller()->LockedFullscreenStateChanged();
// Disallow screenshots in locked fullscreen mode.
ChromeScreenshotGrabber::Get()->set_screenshots_allowed(!locked);
// Reset the clipboard and kill dev tools when entering or exiting locked
// fullscreen (security concerns).
ui::Clipboard::GetForCurrentThread()->Clear(ui::ClipboardBuffer::kCopyPaste);
content::DevToolsAgentHost::DetachAllClients();
// Disable ARC while in the locked fullscreen mode.
arc::ArcSessionManager* const arc_session_manager =
arc::ArcSessionManager::Get();
Profile* const profile = browser->profile();
if (arc_session_manager && arc::IsArcAllowedForProfile(profile)) {
if (locked) {
// Disable ARC, preserve data.
arc_session_manager->RequestDisable();
} else {
// Re-enable ARC if needed.
if (arc::IsArcPlayStoreEnabledForProfile(profile))
arc_session_manager->RequestEnable();
}
}
if (assistant::IsAssistantAllowedForProfile(profile) ==
ash::mojom::AssistantAllowedState::ALLOWED) {
arc::VoiceInteractionControllerClient::Get()
->NotifyLockedFullScreenStateChanged(locked);
}
}
} // namespace tabs_util
} // namespace extensions
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