media_stream_focus_delegate.cc | Explore in Territory

// 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 "chrome/browser/media/webrtc/media_stream_focus_delegate.h"

#include "build/build_config.h"

#if BUILDFLAG(IS_ANDROID)
#error "Unsupported on Android."
#endif  // BUILDFLAG(IS_ANDROID)

#include "base/metrics/histogram_functions.h"
#include "base/metrics/histogram_macros.h"
#include "base/time/time.h"
#include "chrome/browser/bad_message.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_finder.h"
#include "chrome/browser/ui/browser_window.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/desktop_capture.h"
#include "content/public/browser/render_widget_host.h"
#include "content/public/browser/render_widget_host_view.h"
#include "content/public/browser/web_contents.h"
#include "modules/desktop_capture/desktop_capture_options.h"
#include "third_party/webrtc/modules/desktop_capture/desktop_capturer.h"

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

// Readability-enhancing aliases.
constexpr bad_message::BadMessageReason MSFD_MULTIPLE_EXPLICIT_CALLS_TO_FOCUS = …;
constexpr bad_message::BadMessageReason
    MSFD_MULTIPLE_CLOSURES_OF_FOCUSABILITY_WINDOW = …;
}  // namespace

MediaStreamFocusDelegate::MediaStreamFocusDelegate(
    content::WebContents* web_contents)
    : … { … }

MediaStreamFocusDelegate::~MediaStreamFocusDelegate() { … }

void MediaStreamFocusDelegate::SetFocus(const content::DesktopMediaID& media_id,
                                        bool focus,
                                        bool is_from_microtask,
                                        bool is_from_timer) { … }

void MediaStreamFocusDelegate::OnTabStripModelChanged(
    TabStripModel* tab_strip_model,
    const TabStripModelChange& change,
    const TabStripSelectionChange& selection) { … }

bool MediaStreamFocusDelegate::IsWidgetFocused() const { … }

void MediaStreamFocusDelegate::FocusTab(
    const content::DesktopMediaID& media_id) { … }

void MediaStreamFocusDelegate::FocusWindow(
    const content::DesktopMediaID& media_id) { … }

bool MediaStreamFocusDelegate::UpdateUMA(bool focus,
                                         bool is_from_microtask,
                                         bool is_from_timer) { … }

bool MediaStreamFocusDelegate::BadMessage(
    bad_message::BadMessageReason reason) { … }
chromium/chrome/browser/media/webrtc/media_stream_focus_delegate.cc
