chromium/content/browser/media/capture_handle_manager.cc

// 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 "content/browser/media/capture_handle_manager.h"

#include "base/memory/ptr_util.h"
#include "base/ranges/algorithm.h"
#include "content/browser/renderer_host/render_frame_host_delegate.h"
#include "content/browser/renderer_host/render_frame_host_impl.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_observer.h"
#include "url/origin.h"

namespace content {

namespace {
// TODO(crbug.com/40181897): Eliminate code duplication with
// desktop_capture_devices_util.cc.
media::mojom::CaptureHandlePtr CreateCaptureHandle(
    RenderFrameHostImpl* capturer,
    WebContents* captured,
    const blink::mojom::CaptureHandleConfig& capture_handle_config) { … }

bool IsEqual(const media::mojom::CaptureHandlePtr& lhs,
             const media::mojom::CaptureHandlePtr& rhs) { … }
}  // namespace

class CaptureHandleManager::Observer final : public WebContentsObserver { … };

std::unique_ptr<CaptureHandleManager::Observer>
CaptureHandleManager::Observer::Create(
    const CaptureKey& capture_key,
    GlobalRenderFrameHostId captured,
    GlobalRenderFrameHostId capturer,
    DeviceCaptureHandleChangeCallback handle_change_callback) { … }

CaptureHandleManager::Observer::Observer(
    WebContents* web_contents,
    const CaptureKey& capture_key,
    GlobalRenderFrameHostId capturer,
    DeviceCaptureHandleChangeCallback handle_change_callback)
    : … { … }

CaptureHandleManager::Observer::~Observer() = default;

void CaptureHandleManager::Observer::OnCaptureHandleConfigUpdate(
    const blink::mojom::CaptureHandleConfig& config) { … }

void CaptureHandleManager::Observer::UpdateCaptureHandleConfig() { … }

CaptureHandleManager::CaptureInfo::CaptureInfo(
    std::unique_ptr<Observer> observer,
    media::mojom::CaptureHandlePtr last_capture_handle,
    DeviceCaptureHandleChangeCallback callback)
    : … { … }

CaptureHandleManager::CaptureInfo::~CaptureInfo() = default;

CaptureHandleManager::CaptureHandleManager() { … }

CaptureHandleManager::~CaptureHandleManager() { … }

void CaptureHandleManager::OnTabCaptureStarted(
    const std::string& label,
    const blink::MediaStreamDevice& captured_device,
    GlobalRenderFrameHostId capturer,
    DeviceCaptureHandleChangeCallback handle_change_callback) { … }

void CaptureHandleManager::OnTabCaptureStopped(
    const std::string& label,
    const blink::MediaStreamDevice& captured_device) { … }

void CaptureHandleManager::OnTabCaptureDevicesUpdated(
    const std::string& label,
    blink::mojom::StreamDevicesSetPtr new_stream_devices_set,
    GlobalRenderFrameHostId capturer,
    DeviceCaptureHandleChangeCallback handle_change_callback) { … }

void CaptureHandleManager::OnCaptureHandleConfigUpdate(
    const std::string& label,
    blink::mojom::MediaStreamType type,
    media::mojom::CaptureHandlePtr capture_handle) { … }

}  // namespace content