chromium/chrome/browser/ui/exclusive_access/exclusive_access_manager.cc

// Copyright 2015 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/exclusive_access/exclusive_access_manager.h"

#include <utility>

#include "base/command_line.h"
#include "base/feature_list.h"
#include "base/metrics/histogram_functions.h"
#include "build/build_config.h"
#include "chrome/browser/app_mode/app_mode_utils.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_window.h"
#include "chrome/browser/ui/exclusive_access/exclusive_access_context.h"
#include "chrome/browser/ui/exclusive_access/fullscreen_controller.h"
#include "chrome/browser/ui/exclusive_access/pointer_lock_controller.h"
#include "chrome/browser/ui/ui_features.h"
#include "chrome/common/chrome_switches.h"
#include "components/input/native_web_keyboard_event.h"
#include "services/metrics/public/cpp/ukm_builders.h"
#include "services/metrics/public/cpp/ukm_recorder.h"
#include "ui/events/keycodes/keyboard_codes.h"

WebContents;

namespace {

// Amount of time the user must press on Esc to make it a press-and-hold event.
constexpr base::TimeDelta kHoldEscapeTime = …;

// Amount of time the user must press on Esc to see the Exclusive Access Bubble
// showing up.
constexpr base::TimeDelta kShowExitBubbleTime = …;

constexpr char kHistogramFullscreenLockStateAtEntryViaApi[] = …;
constexpr char kHistogramFullscreenLockStateAtEntryViaBrowserUi[] = …;
constexpr char kHistogramEscKeyPressedDownWithModifier[] = …;

// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
enum class LockState { … };

// Check whether `event` is a kRawKeyDown type and doesn't have non-stateful
// modifiers (i.e. shift, ctrl etc.).
bool IsUnmodifiedEscKeyDownEvent(const input::NativeWebKeyboardEvent& event) { … }

}  // namespace

ExclusiveAccessManager::ExclusiveAccessManager(
    ExclusiveAccessContext* exclusive_access_context)
    : … { … }

ExclusiveAccessManager::~ExclusiveAccessManager() = default;

ExclusiveAccessBubbleType
ExclusiveAccessManager::GetExclusiveAccessExitBubbleType() const { … }

void ExclusiveAccessManager::UpdateBubble(
    ExclusiveAccessBubbleHideCallback first_hide_callback,
    bool force_update) { … }

GURL ExclusiveAccessManager::GetExclusiveAccessBubbleURL() const { … }

void ExclusiveAccessManager::RecordLockStateOnEnteringApiFullscreen() const { … }

void ExclusiveAccessManager::RecordLockStateOnEnteringBrowserFullscreen()
    const { … }

void ExclusiveAccessManager::OnTabDeactivated(WebContents* web_contents) { … }

void ExclusiveAccessManager::OnTabDetachedFromView(WebContents* web_contents) { … }

void ExclusiveAccessManager::OnTabClosing(WebContents* web_contents) { … }

bool ExclusiveAccessManager::HandleUserKeyEvent(
    const input::NativeWebKeyboardEvent& event) { … }

void ExclusiveAccessManager::OnUserInput() { … }

void ExclusiveAccessManager::ExitExclusiveAccess() { … }

void ExclusiveAccessManager::HandleUserHeldEscape() { … }

void ExclusiveAccessManager::RecordLockStateOnEnteringFullscreen(
    const char histogram_name[]) const { … }