cef/libcef/browser/browser_host_base.cc

879 lines
25 KiB
C++

// Copyright 2020 The Chromium Embedded Framework 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 "libcef/browser/browser_host_base.h"
#include "libcef/browser/browser_info_manager.h"
#include "libcef/browser/browser_platform_delegate.h"
#include "libcef/browser/context.h"
#include "libcef/browser/image_impl.h"
#include "libcef/browser/navigation_entry_impl.h"
#include "libcef/browser/thread_util.h"
#include "libcef/common/frame_util.h"
#include "libcef/common/net/url_util.h"
#include "base/logging.h"
#include "chrome/browser/spellchecker/spellcheck_factory.h"
#include "chrome/browser/spellchecker/spellcheck_service.h"
#include "components/favicon/core/favicon_url.h"
#include "components/spellcheck/common/spellcheck_features.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/download_manager.h"
#include "content/public/browser/download_request_utils.h"
#include "content/public/browser/navigation_entry.h"
#include "ui/gfx/image/image_skia.h"
#if defined(OS_MAC)
#include "components/spellcheck/browser/spellcheck_platform.h"
#endif
namespace {
// Associates a CefBrowserHostBase instance with a WebContents. This object will
// be deleted automatically when the WebContents is destroyed.
class WebContentsUserDataAdapter : public base::SupportsUserData::Data {
public:
static void Register(CefRefPtr<CefBrowserHostBase> browser) {
new WebContentsUserDataAdapter(browser);
}
static CefRefPtr<CefBrowserHostBase> Get(
const content::WebContents* web_contents) {
WebContentsUserDataAdapter* adapter =
static_cast<WebContentsUserDataAdapter*>(
web_contents->GetUserData(UserDataKey()));
if (adapter)
return adapter->browser_;
return nullptr;
}
private:
WebContentsUserDataAdapter(CefRefPtr<CefBrowserHostBase> browser)
: browser_(browser) {
auto web_contents = browser->GetWebContents();
DCHECK(web_contents);
web_contents->SetUserData(UserDataKey(), base::WrapUnique(this));
}
static void* UserDataKey() {
// We just need a unique constant. Use the address of a static that
// COMDAT folding won't touch in an optimizing linker.
static int data_key = 0;
return reinterpret_cast<void*>(&data_key);
}
CefRefPtr<CefBrowserHostBase> browser_;
};
} // namespace
// static
CefRefPtr<CefBrowserHostBase> CefBrowserHostBase::GetBrowserForHost(
const content::RenderViewHost* host) {
DCHECK(host);
CEF_REQUIRE_UIT();
content::WebContents* web_contents = content::WebContents::FromRenderViewHost(
const_cast<content::RenderViewHost*>(host));
if (web_contents)
return GetBrowserForContents(web_contents);
return nullptr;
}
// static
CefRefPtr<CefBrowserHostBase> CefBrowserHostBase::GetBrowserForHost(
const content::RenderFrameHost* host) {
DCHECK(host);
CEF_REQUIRE_UIT();
content::WebContents* web_contents =
content::WebContents::FromRenderFrameHost(
const_cast<content::RenderFrameHost*>(host));
if (web_contents)
return GetBrowserForContents(web_contents);
return nullptr;
}
// static
CefRefPtr<CefBrowserHostBase> CefBrowserHostBase::GetBrowserForContents(
const content::WebContents* contents) {
DCHECK(contents);
CEF_REQUIRE_UIT();
return WebContentsUserDataAdapter::Get(contents);
}
// static
CefRefPtr<CefBrowserHostBase> CefBrowserHostBase::GetBrowserForGlobalId(
const content::GlobalRenderFrameHostId& global_id) {
if (!frame_util::IsValidGlobalId(global_id)) {
return nullptr;
}
if (CEF_CURRENTLY_ON_UIT()) {
// Use the non-thread-safe but potentially faster approach.
content::RenderFrameHost* render_frame_host =
content::RenderFrameHost::FromID(global_id);
if (!render_frame_host)
return nullptr;
return GetBrowserForHost(render_frame_host);
} else {
// Use the thread-safe approach.
bool is_guest_view = false;
auto info = CefBrowserInfoManager::GetInstance()->GetBrowserInfo(
global_id, &is_guest_view);
if (info && !is_guest_view) {
auto browser = info->browser();
if (!browser) {
LOG(WARNING) << "Found browser id " << info->browser_id()
<< " but no browser object matching frame "
<< frame_util::GetFrameDebugString(global_id);
}
return browser;
}
return nullptr;
}
}
CefBrowserHostBase::CefBrowserHostBase(
const CefBrowserSettings& settings,
CefRefPtr<CefClient> client,
std::unique_ptr<CefBrowserPlatformDelegate> platform_delegate,
scoped_refptr<CefBrowserInfo> browser_info,
CefRefPtr<CefRequestContextImpl> request_context)
: settings_(settings),
client_(client),
platform_delegate_(std::move(platform_delegate)),
browser_info_(browser_info),
request_context_(request_context),
is_views_hosted_(platform_delegate_->IsViewsHosted()) {
CEF_REQUIRE_UIT();
DCHECK(!browser_info_->browser().get());
browser_info_->SetBrowser(this);
contents_delegate_ =
std::make_unique<CefBrowserContentsDelegate>(browser_info_);
contents_delegate_->AddObserver(this);
}
void CefBrowserHostBase::InitializeBrowser() {
CEF_REQUIRE_UIT();
// Associate the WebContents with this browser object.
DCHECK(GetWebContents());
WebContentsUserDataAdapter::Register(this);
}
void CefBrowserHostBase::DestroyBrowser() {
CEF_REQUIRE_UIT();
devtools_manager_.reset(nullptr);
platform_delegate_.reset(nullptr);
contents_delegate_->RemoveObserver(this);
contents_delegate_->ObserveWebContents(nullptr);
CefBrowserInfoManager::GetInstance()->RemoveBrowserInfo(browser_info_);
browser_info_->SetBrowser(nullptr);
}
CefRefPtr<CefBrowser> CefBrowserHostBase::GetBrowser() {
return this;
}
CefRefPtr<CefClient> CefBrowserHostBase::GetClient() {
return client_;
}
CefRefPtr<CefRequestContext> CefBrowserHostBase::GetRequestContext() {
return request_context_;
}
bool CefBrowserHostBase::HasView() {
return is_views_hosted_;
}
void CefBrowserHostBase::StartDownload(const CefString& url) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(
CEF_UIT, base::BindOnce(&CefBrowserHostBase::StartDownload, this, url));
return;
}
GURL gurl = GURL(url.ToString());
if (gurl.is_empty() || !gurl.is_valid())
return;
auto web_contents = GetWebContents();
if (!web_contents)
return;
auto browser_context = web_contents->GetBrowserContext();
if (!browser_context)
return;
content::DownloadManager* manager = browser_context->GetDownloadManager();
if (!manager)
return;
std::unique_ptr<download::DownloadUrlParameters> params(
content::DownloadRequestUtils::CreateDownloadForWebContentsMainFrame(
web_contents, gurl, MISSING_TRAFFIC_ANNOTATION));
manager->DownloadUrl(std::move(params));
}
void CefBrowserHostBase::DownloadImage(
const CefString& image_url,
bool is_favicon,
uint32 max_image_size,
bool bypass_cache,
CefRefPtr<CefDownloadImageCallback> callback) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(
CEF_UIT,
base::BindOnce(&CefBrowserHostBase::DownloadImage, this, image_url,
is_favicon, max_image_size, bypass_cache, callback));
return;
}
if (!callback)
return;
GURL gurl = GURL(image_url.ToString());
if (gurl.is_empty() || !gurl.is_valid())
return;
auto web_contents = GetWebContents();
if (!web_contents)
return;
web_contents->DownloadImage(
gurl, is_favicon, gfx::Size(max_image_size, max_image_size),
max_image_size * gfx::ImageSkia::GetMaxSupportedScale(), bypass_cache,
base::BindOnce(
[](uint32 max_image_size,
CefRefPtr<CefDownloadImageCallback> callback, int id,
int http_status_code, const GURL& image_url,
const std::vector<SkBitmap>& bitmaps,
const std::vector<gfx::Size>& sizes) {
CEF_REQUIRE_UIT();
CefRefPtr<CefImageImpl> image_impl;
if (!bitmaps.empty()) {
image_impl = new CefImageImpl();
image_impl->AddBitmaps(max_image_size, bitmaps);
}
callback->OnDownloadImageFinished(
image_url.spec(), http_status_code, image_impl.get());
},
max_image_size, callback));
}
bool CefBrowserHostBase::SendDevToolsMessage(const void* message,
size_t message_size) {
if (!message || message_size == 0)
return false;
if (!CEF_CURRENTLY_ON_UIT()) {
std::string message_str(static_cast<const char*>(message), message_size);
CEF_POST_TASK(
CEF_UIT,
base::BindOnce(
[](CefRefPtr<CefBrowserHostBase> self, std::string message_str) {
self->SendDevToolsMessage(message_str.data(), message_str.size());
},
CefRefPtr<CefBrowserHostBase>(this), std::move(message_str)));
return false;
}
if (!EnsureDevToolsManager())
return false;
return devtools_manager_->SendDevToolsMessage(message, message_size);
}
int CefBrowserHostBase::ExecuteDevToolsMethod(
int message_id,
const CefString& method,
CefRefPtr<CefDictionaryValue> params) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(
CEF_UIT, base::BindOnce(base::IgnoreResult(
&CefBrowserHostBase::ExecuteDevToolsMethod),
this, message_id, method, params));
return 0;
}
if (!EnsureDevToolsManager())
return 0;
return devtools_manager_->ExecuteDevToolsMethod(message_id, method, params);
}
CefRefPtr<CefRegistration> CefBrowserHostBase::AddDevToolsMessageObserver(
CefRefPtr<CefDevToolsMessageObserver> observer) {
if (!observer)
return nullptr;
auto registration = CefDevToolsManager::CreateRegistration(observer);
InitializeDevToolsRegistrationOnUIThread(registration);
return registration.get();
}
void CefBrowserHostBase::GetNavigationEntries(
CefRefPtr<CefNavigationEntryVisitor> visitor,
bool current_only) {
DCHECK(visitor.get());
if (!visitor.get())
return;
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(
CEF_UIT, base::BindOnce(&CefBrowserHostBase::GetNavigationEntries, this,
visitor, current_only));
return;
}
auto web_contents = GetWebContents();
if (!web_contents)
return;
content::NavigationController& controller = web_contents->GetController();
const int total = controller.GetEntryCount();
const int current = controller.GetCurrentEntryIndex();
if (current_only) {
// Visit only the current entry.
CefRefPtr<CefNavigationEntryImpl> entry =
new CefNavigationEntryImpl(controller.GetEntryAtIndex(current));
visitor->Visit(entry.get(), true, current, total);
ignore_result(entry->Detach(nullptr));
} else {
// Visit all entries.
bool cont = true;
for (int i = 0; i < total && cont; ++i) {
CefRefPtr<CefNavigationEntryImpl> entry =
new CefNavigationEntryImpl(controller.GetEntryAtIndex(i));
cont = visitor->Visit(entry.get(), (i == current), i, total);
ignore_result(entry->Detach(nullptr));
}
}
}
CefRefPtr<CefNavigationEntry> CefBrowserHostBase::GetVisibleNavigationEntry() {
if (!CEF_CURRENTLY_ON_UIT()) {
NOTREACHED() << "called on invalid thread";
return nullptr;
}
content::NavigationEntry* entry = nullptr;
auto web_contents = GetWebContents();
if (web_contents)
entry = web_contents->GetController().GetVisibleEntry();
if (!entry)
return nullptr;
return new CefNavigationEntryImpl(entry);
}
void CefBrowserHostBase::ReplaceMisspelling(const CefString& word) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(
CEF_UIT,
base::BindOnce(&CefBrowserHostBase::ReplaceMisspelling, this, word));
return;
}
auto web_contents = GetWebContents();
if (web_contents)
web_contents->ReplaceMisspelling(word);
}
void CefBrowserHostBase::AddWordToDictionary(const CefString& word) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(
CEF_UIT,
base::BindOnce(&CefBrowserHostBase::AddWordToDictionary, this, word));
return;
}
auto web_contents = GetWebContents();
if (!web_contents)
return;
SpellcheckService* spellcheck = nullptr;
content::BrowserContext* browser_context = web_contents->GetBrowserContext();
if (browser_context) {
spellcheck = SpellcheckServiceFactory::GetForContext(browser_context);
if (spellcheck)
spellcheck->GetCustomDictionary()->AddWord(word);
}
#if defined(OS_MAC)
if (spellcheck && spellcheck::UseBrowserSpellChecker()) {
spellcheck_platform::AddWord(spellcheck->platform_spell_checker(), word);
}
#endif
}
void CefBrowserHostBase::SendKeyEvent(const CefKeyEvent& event) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT, base::BindOnce(&CefBrowserHostBase::SendKeyEvent,
this, event));
return;
}
if (platform_delegate_)
platform_delegate_->SendKeyEvent(event);
}
void CefBrowserHostBase::SendMouseClickEvent(const CefMouseEvent& event,
MouseButtonType type,
bool mouseUp,
int clickCount) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&CefBrowserHostBase::SendMouseClickEvent, this,
event, type, mouseUp, clickCount));
return;
}
if (platform_delegate_) {
platform_delegate_->SendMouseClickEvent(event, type, mouseUp, clickCount);
}
}
void CefBrowserHostBase::SendMouseMoveEvent(const CefMouseEvent& event,
bool mouseLeave) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&CefBrowserHostBase::SendMouseMoveEvent, this,
event, mouseLeave));
return;
}
if (platform_delegate_) {
platform_delegate_->SendMouseMoveEvent(event, mouseLeave);
}
}
void CefBrowserHostBase::SendMouseWheelEvent(const CefMouseEvent& event,
int deltaX,
int deltaY) {
if (deltaX == 0 && deltaY == 0) {
// Nothing to do.
return;
}
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&CefBrowserHostBase::SendMouseWheelEvent, this,
event, deltaX, deltaY));
return;
}
if (platform_delegate_) {
platform_delegate_->SendMouseWheelEvent(event, deltaX, deltaY);
}
}
bool CefBrowserHostBase::IsValid() {
return browser_info_->browser() == this;
}
CefRefPtr<CefBrowserHost> CefBrowserHostBase::GetHost() {
return this;
}
bool CefBrowserHostBase::CanGoBack() {
base::AutoLock lock_scope(state_lock_);
return can_go_back_;
}
void CefBrowserHostBase::GoBack() {
auto callback = base::BindOnce(&CefBrowserHostBase::GoBack, this);
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT, std::move(callback));
return;
}
if (browser_info_->IsNavigationLocked(std::move(callback))) {
return;
}
auto wc = GetWebContents();
if (wc && wc->GetController().CanGoBack()) {
wc->GetController().GoBack();
}
}
bool CefBrowserHostBase::CanGoForward() {
base::AutoLock lock_scope(state_lock_);
return can_go_forward_;
}
void CefBrowserHostBase::GoForward() {
auto callback = base::BindOnce(&CefBrowserHostBase::GoForward, this);
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT, std::move(callback));
return;
}
if (browser_info_->IsNavigationLocked(std::move(callback))) {
return;
}
auto wc = GetWebContents();
if (wc && wc->GetController().CanGoForward()) {
wc->GetController().GoForward();
}
}
bool CefBrowserHostBase::IsLoading() {
base::AutoLock lock_scope(state_lock_);
return is_loading_;
}
void CefBrowserHostBase::Reload() {
auto callback = base::BindOnce(&CefBrowserHostBase::Reload, this);
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT, std::move(callback));
return;
}
if (browser_info_->IsNavigationLocked(std::move(callback))) {
return;
}
auto wc = GetWebContents();
if (wc) {
wc->GetController().Reload(content::ReloadType::NORMAL, true);
}
}
void CefBrowserHostBase::ReloadIgnoreCache() {
auto callback = base::BindOnce(&CefBrowserHostBase::ReloadIgnoreCache, this);
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT, std::move(callback));
return;
}
if (browser_info_->IsNavigationLocked(std::move(callback))) {
return;
}
auto wc = GetWebContents();
if (wc) {
wc->GetController().Reload(content::ReloadType::BYPASSING_CACHE, true);
}
}
void CefBrowserHostBase::StopLoad() {
auto callback = base::BindOnce(&CefBrowserHostBase::StopLoad, this);
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT, std::move(callback));
return;
}
if (browser_info_->IsNavigationLocked(std::move(callback))) {
return;
}
auto wc = GetWebContents();
if (wc) {
wc->Stop();
}
}
int CefBrowserHostBase::GetIdentifier() {
return browser_id();
}
bool CefBrowserHostBase::IsSame(CefRefPtr<CefBrowser> that) {
auto impl = static_cast<CefBrowserHostBase*>(that.get());
return (impl == this);
}
bool CefBrowserHostBase::HasDocument() {
base::AutoLock lock_scope(state_lock_);
return has_document_;
}
bool CefBrowserHostBase::IsPopup() {
return browser_info_->is_popup();
}
CefRefPtr<CefFrame> CefBrowserHostBase::GetMainFrame() {
return GetFrame(CefFrameHostImpl::kMainFrameId);
}
CefRefPtr<CefFrame> CefBrowserHostBase::GetFocusedFrame() {
return GetFrame(CefFrameHostImpl::kFocusedFrameId);
}
CefRefPtr<CefFrame> CefBrowserHostBase::GetFrame(int64 identifier) {
if (identifier == CefFrameHostImpl::kInvalidFrameId) {
return nullptr;
} else if (identifier == CefFrameHostImpl::kMainFrameId) {
return browser_info_->GetMainFrame();
} else if (identifier == CefFrameHostImpl::kFocusedFrameId) {
base::AutoLock lock_scope(state_lock_);
if (!focused_frame_) {
// The main frame is focused by default.
return browser_info_->GetMainFrame();
}
return focused_frame_;
}
return browser_info_->GetFrameForGlobalId(
frame_util::MakeGlobalId(identifier));
}
CefRefPtr<CefFrame> CefBrowserHostBase::GetFrame(const CefString& name) {
for (const auto& frame : browser_info_->GetAllFrames()) {
if (frame->GetName() == name)
return frame;
}
return nullptr;
}
size_t CefBrowserHostBase::GetFrameCount() {
return browser_info_->GetAllFrames().size();
}
void CefBrowserHostBase::GetFrameIdentifiers(std::vector<int64>& identifiers) {
if (identifiers.size() > 0)
identifiers.clear();
const auto frames = browser_info_->GetAllFrames();
if (frames.empty())
return;
identifiers.reserve(frames.size());
for (const auto& frame : frames) {
identifiers.push_back(frame->GetIdentifier());
}
}
void CefBrowserHostBase::GetFrameNames(std::vector<CefString>& names) {
if (names.size() > 0)
names.clear();
const auto frames = browser_info_->GetAllFrames();
if (frames.empty())
return;
names.reserve(frames.size());
for (const auto& frame : frames) {
names.push_back(frame->GetName());
}
}
void CefBrowserHostBase::OnStateChanged(CefBrowserContentsState state_changed) {
// Make sure that CefBrowser state is consistent before the associated
// CefClient callback is executed.
base::AutoLock lock_scope(state_lock_);
if ((state_changed & CefBrowserContentsState::kNavigation) ==
CefBrowserContentsState::kNavigation) {
is_loading_ = contents_delegate_->is_loading();
can_go_back_ = contents_delegate_->can_go_back();
can_go_forward_ = contents_delegate_->can_go_forward();
}
if ((state_changed & CefBrowserContentsState::kDocument) ==
CefBrowserContentsState::kDocument) {
has_document_ = contents_delegate_->has_document();
}
if ((state_changed & CefBrowserContentsState::kFullscreen) ==
CefBrowserContentsState::kFullscreen) {
is_fullscreen_ = contents_delegate_->is_fullscreen();
}
if ((state_changed & CefBrowserContentsState::kFocusedFrame) ==
CefBrowserContentsState::kFocusedFrame) {
focused_frame_ = contents_delegate_->focused_frame();
}
}
void CefBrowserHostBase::OnWebContentsDestroyed(
content::WebContents* web_contents) {}
CefRefPtr<CefFrame> CefBrowserHostBase::GetFrameForHost(
const content::RenderFrameHost* host) {
CEF_REQUIRE_UIT();
if (!host)
return nullptr;
return browser_info_->GetFrameForHost(host);
}
CefRefPtr<CefFrame> CefBrowserHostBase::GetFrameForGlobalId(
const content::GlobalRenderFrameHostId& global_id) {
return browser_info_->GetFrameForGlobalId(global_id, nullptr);
}
void CefBrowserHostBase::AddObserver(Observer* observer) {
CEF_REQUIRE_UIT();
observers_.AddObserver(observer);
}
void CefBrowserHostBase::RemoveObserver(Observer* observer) {
CEF_REQUIRE_UIT();
observers_.RemoveObserver(observer);
}
bool CefBrowserHostBase::HasObserver(Observer* observer) const {
CEF_REQUIRE_UIT();
return observers_.HasObserver(observer);
}
void CefBrowserHostBase::LoadMainFrameURL(
const content::OpenURLParams& params) {
auto callback =
base::BindOnce(&CefBrowserHostBase::LoadMainFrameURL, this, params);
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT, std::move(callback));
return;
}
if (browser_info_->IsNavigationLocked(std::move(callback))) {
return;
}
if (Navigate(params)) {
OnSetFocus(FOCUS_SOURCE_NAVIGATION);
}
}
bool CefBrowserHostBase::Navigate(const content::OpenURLParams& params) {
CEF_REQUIRE_UIT();
auto web_contents = GetWebContents();
if (web_contents) {
GURL gurl = params.url;
if (!url_util::FixupGURL(gurl))
return false;
web_contents->GetController().LoadURL(
gurl, params.referrer, params.transition, params.extra_headers);
return true;
}
return false;
}
void CefBrowserHostBase::OnDidFinishLoad(CefRefPtr<CefFrameHostImpl> frame,
const GURL& validated_url,
int http_status_code) {
frame->RefreshAttributes();
contents_delegate_->OnLoadEnd(frame, validated_url, http_status_code);
}
void CefBrowserHostBase::ViewText(const std::string& text) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&CefBrowserHostBase::ViewText, this, text));
return;
}
if (platform_delegate_)
platform_delegate_->ViewText(text);
}
bool CefBrowserHostBase::MaybeAllowNavigation(
content::RenderFrameHost* opener,
bool is_guest_view,
const content::OpenURLParams& params) {
return true;
}
void CefBrowserHostBase::OnAfterCreated() {
CEF_REQUIRE_UIT();
if (client_) {
if (auto handler = client_->GetLifeSpanHandler()) {
handler->OnAfterCreated(this);
}
}
}
void CefBrowserHostBase::OnBeforeClose() {
CEF_REQUIRE_UIT();
if (client_) {
if (auto handler = client_->GetLifeSpanHandler()) {
handler->OnBeforeClose(this);
}
}
browser_info_->SetClosing();
}
void CefBrowserHostBase::OnBrowserDestroyed() {
CEF_REQUIRE_UIT();
for (auto& observer : observers_)
observer.OnBrowserDestroyed(this);
}
int CefBrowserHostBase::browser_id() const {
return browser_info_->browser_id();
}
SkColor CefBrowserHostBase::GetBackgroundColor() const {
// Don't use |platform_delegate_| because it's not thread-safe.
return CefContext::Get()->GetBackgroundColor(
&settings_, IsWindowless() ? STATE_ENABLED : STATE_DISABLED);
}
bool CefBrowserHostBase::IsWindowless() const {
return false;
}
content::WebContents* CefBrowserHostBase::GetWebContents() const {
CEF_REQUIRE_UIT();
return contents_delegate_->web_contents();
}
content::BrowserContext* CefBrowserHostBase::GetBrowserContext() const {
CEF_REQUIRE_UIT();
auto web_contents = GetWebContents();
if (web_contents)
return web_contents->GetBrowserContext();
return nullptr;
}
#if defined(TOOLKIT_VIEWS)
views::Widget* CefBrowserHostBase::GetWindowWidget() const {
CEF_REQUIRE_UIT();
if (!platform_delegate_)
return nullptr;
return platform_delegate_->GetWindowWidget();
}
CefRefPtr<CefBrowserView> CefBrowserHostBase::GetBrowserView() const {
CEF_REQUIRE_UIT();
if (is_views_hosted_ && platform_delegate_)
return platform_delegate_->GetBrowserView();
return nullptr;
}
#endif // defined(TOOLKIT_VIEWS)
bool CefBrowserHostBase::EnsureDevToolsManager() {
CEF_REQUIRE_UIT();
if (!contents_delegate_->web_contents())
return false;
if (!devtools_manager_) {
devtools_manager_.reset(new CefDevToolsManager(this));
}
return true;
}
void CefBrowserHostBase::InitializeDevToolsRegistrationOnUIThread(
CefRefPtr<CefRegistration> registration) {
if (!CEF_CURRENTLY_ON_UIT()) {
CEF_POST_TASK(
CEF_UIT,
base::BindOnce(
&CefBrowserHostBase::InitializeDevToolsRegistrationOnUIThread, this,
registration));
return;
}
if (!EnsureDevToolsManager())
return;
devtools_manager_->InitializeRegistrationOnUIThread(registration);
}