cef/libcef/browser/extensions/browser_extensions_util.cc

174 lines
6.0 KiB
C++

// Copyright (c) 2015 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/extensions/browser_extensions_util.h"
#include "libcef/browser/alloy/alloy_browser_host_impl.h"
#include "libcef/browser/browser_context.h"
#include "libcef/browser/browser_host_base.h"
#include "libcef/browser/browser_info_manager.h"
#include "libcef/browser/thread_util.h"
#include "libcef/common/extensions/extensions_util.h"
#include "libcef/common/frame_util.h"
#include "libcef/features/runtime_checks.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/printing/print_preview_dialog_controller.h"
#include "content/browser/browser_plugin/browser_plugin_guest.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/browser_plugin_guest_manager.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_view_host.h"
#include "extensions/browser/extension_registry.h"
namespace extensions {
namespace {
bool InsertWebContents(std::vector<content::WebContents*>* vector,
content::WebContents* web_contents) {
vector->push_back(web_contents);
return false; // Continue iterating.
}
} // namespace
void GetAllGuestsForOwnerContents(content::WebContents* owner,
std::vector<content::WebContents*>* guests) {
content::BrowserPluginGuestManager* plugin_guest_manager =
owner->GetBrowserContext()->GetGuestManager();
plugin_guest_manager->ForEachGuest(
owner, base::BindRepeating(InsertWebContents, guests));
}
content::WebContents* GetOwnerForGuestContents(content::WebContents* guest) {
content::WebContentsImpl* guest_impl =
static_cast<content::WebContentsImpl*>(guest);
content::BrowserPluginGuest* plugin_guest =
guest_impl->GetBrowserPluginGuest();
if (plugin_guest) {
return plugin_guest->owner_web_contents();
}
// Maybe it's a print preview dialog.
auto print_preview_controller =
g_browser_process->print_preview_dialog_controller();
return print_preview_controller->GetInitiator(guest);
}
CefRefPtr<CefBrowserHostBase> GetOwnerBrowserForGlobalId(
const content::GlobalRenderFrameHostId& global_id,
bool* is_guest_view) {
if (CEF_CURRENTLY_ON_UIT()) {
// Use the non-thread-safe but potentially faster approach.
content::RenderFrameHost* host =
content::RenderFrameHost::FromID(global_id);
if (host)
return GetOwnerBrowserForHost(host, is_guest_view);
return nullptr;
} else {
// Use the thread-safe approach.
scoped_refptr<CefBrowserInfo> info =
CefBrowserInfoManager::GetInstance()->GetBrowserInfo(global_id,
is_guest_view);
if (info.get()) {
CefRefPtr<CefBrowserHostBase> browser = info->browser();
if (!browser.get()) {
LOG(WARNING) << "Found browser id " << info->browser_id()
<< " but no browser object matching frame "
<< frame_util::GetFrameDebugString(global_id);
}
return browser;
}
return nullptr;
}
}
CefRefPtr<CefBrowserHostBase> GetOwnerBrowserForHost(
content::RenderViewHost* host,
bool* is_guest_view) {
if (is_guest_view)
*is_guest_view = false;
CefRefPtr<CefBrowserHostBase> browser =
CefBrowserHostBase::GetBrowserForHost(host);
if (!browser.get() && ExtensionsEnabled()) {
// Retrieve the owner browser, if any.
content::WebContents* owner = GetOwnerForGuestContents(
content::WebContents::FromRenderViewHost(host));
if (owner) {
browser = CefBrowserHostBase::GetBrowserForContents(owner);
if (browser.get() && is_guest_view)
*is_guest_view = true;
}
}
return browser;
}
CefRefPtr<CefBrowserHostBase> GetOwnerBrowserForHost(
content::RenderFrameHost* host,
bool* is_guest_view) {
if (is_guest_view)
*is_guest_view = false;
CefRefPtr<CefBrowserHostBase> browser =
CefBrowserHostBase::GetBrowserForHost(host);
if (!browser.get() && ExtensionsEnabled()) {
// Retrieve the owner browser, if any.
content::WebContents* owner = GetOwnerForGuestContents(
content::WebContents::FromRenderFrameHost(host));
if (owner) {
browser = CefBrowserHostBase::GetBrowserForContents(owner);
if (browser.get() && is_guest_view)
*is_guest_view = true;
}
}
return browser;
}
CefRefPtr<AlloyBrowserHostImpl> GetBrowserForTabId(
int tab_id,
content::BrowserContext* browser_context) {
REQUIRE_ALLOY_RUNTIME();
CEF_REQUIRE_UIT();
DCHECK(browser_context);
if (tab_id < 0 || !browser_context)
return nullptr;
auto cef_browser_context =
CefBrowserContext::FromBrowserContext(browser_context);
for (const auto& browser_info :
CefBrowserInfoManager::GetInstance()->GetBrowserInfoList()) {
CefRefPtr<AlloyBrowserHostImpl> current_browser =
static_cast<AlloyBrowserHostImpl*>(browser_info->browser().get());
if (current_browser && current_browser->GetIdentifier() == tab_id) {
// Make sure we're operating in the same CefBrowserContext.
if (CefBrowserContext::FromBrowserContext(
current_browser->GetBrowserContext()) == cef_browser_context) {
return current_browser;
} else {
LOG(WARNING) << "Browser with tabId " << tab_id
<< " cannot be accessed because is uses a different "
"CefRequestContext";
break;
}
}
}
return nullptr;
}
const Extension* GetExtensionForUrl(content::BrowserContext* browser_context,
const GURL& url) {
ExtensionRegistry* registry = ExtensionRegistry::Get(browser_context);
if (!registry)
return nullptr;
std::string extension_id = url.host();
return registry->enabled_extensions().GetByID(extension_id);
}
} // namespace extensions