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// Copyright 2012 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/browser_plugin/browser_plugin_guest.h"
#include <stddef.h>
#include <utility>
#include "base/memory/ptr_util.h"
#include "base/metrics/user_metrics.h"
#include "build/build_config.h"
#include "content/browser/renderer_host/navigation_request.h"
#include "content/browser/renderer_host/render_widget_host_impl.h"
#include "content/browser/renderer_host/render_widget_host_view_base.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/public/browser/navigation_handle.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_widget_host_view.h"
#include "content/public/browser/web_contents_observer.h"
#include "third_party/blink/public/common/renderer_preferences/renderer_preferences.h"
namespace content {
BrowserPluginGuest::BrowserPluginGuest(WebContentsImpl* web_contents,
BrowserPluginGuestDelegate* delegate)
: WebContentsObserver(web_contents), delegate_(delegate) {
DCHECK(web_contents);
DCHECK(delegate);
RecordAction(base::UserMetricsAction("BrowserPlugin.Guest.Create"));
}
void BrowserPluginGuest::Init() {
WebContentsImpl* owner_web_contents = static_cast<WebContentsImpl*>(
delegate_->GetOwnerWebContents());
owner_web_contents->CreateBrowserPluginEmbedderIfNecessary();
InitInternal(owner_web_contents);
}
std::unique_ptr<WebContentsImpl> BrowserPluginGuest::CreateNewGuestWindow(
const WebContents::CreateParams& params) {
std::unique_ptr<WebContents> new_contents =
delegate_->CreateNewGuestWindow(params);
DCHECK(new_contents);
return base::WrapUnique(
static_cast<WebContentsImpl*>(new_contents.release()));
}
void BrowserPluginGuest::InitInternal(WebContentsImpl* owner_web_contents) {
RenderWidgetHostImpl* rwhi =
GetWebContents()->GetPrimaryMainFrame()->GetRenderWidgetHost();
DCHECK(rwhi);
// The initial state will not be focused but the plugin may be active so
// set that appropriately.
rwhi->GetWidgetInputHandler()->SetFocus(
rwhi->is_active() ? blink::mojom::FocusState::kNotFocusedAndActive
: blink::mojom::FocusState::kNotFocusedAndNotActive);
blink::RendererPreferences* renderer_prefs =
GetWebContents()->GetMutableRendererPrefs();
blink::UserAgentOverride guest_user_agent_override =
renderer_prefs->user_agent_override;
// Copy renderer preferences (and nothing else) from the embedder's
// WebContents to the guest.
//
// For GTK and Aura this is necessary to get proper renderer configuration
// values for caret blinking interval, colors related to selection and
// focus.
*renderer_prefs = *owner_web_contents->GetMutableRendererPrefs();
renderer_prefs->user_agent_override = std::move(guest_user_agent_override);
// Navigation is disabled in Chrome Apps. We want to make sure guest-initiated
// navigations still continue to function inside the app.
renderer_prefs->browser_handles_all_top_level_requests = false;
// TODO(chrishtr): this code is wrong. The navigate_on_drag_drop field will
// be reset again the next time preferences are updated.
blink::web_pref::WebPreferences prefs =
GetWebContents()->GetOrCreateWebPreferences();
prefs.navigate_on_drag_drop = false;
GetWebContents()->SetWebPreferences(prefs);
}
BrowserPluginGuest::~BrowserPluginGuest() = default;
// static
void BrowserPluginGuest::CreateInWebContents(
WebContentsImpl* web_contents,
BrowserPluginGuestDelegate* delegate) {
auto guest = base::WrapUnique(new BrowserPluginGuest(web_contents, delegate));
web_contents->SetBrowserPluginGuest(std::move(guest));
}
WebContentsImpl* BrowserPluginGuest::GetWebContents() const {
return static_cast<WebContentsImpl*>(web_contents());
}
RenderFrameHostImpl* BrowserPluginGuest::GetProspectiveOuterDocument() {
return static_cast<RenderFrameHostImpl*>(
delegate_->GetProspectiveOuterDocument());
}
void BrowserPluginGuest::DidStartNavigation(
NavigationHandle* navigation_handle) {
// Originally added to suppress the error page when a navigation is blocked
// using the webrequest API in a <webview> guest: https://crbug.com/284741.
//
// TODO(https://crbug.com/1127132): net::ERR_BLOCKED_BY_CLIENT is used for
// many other errors. Figure out what suppression policy is desirable here.
//
// TODO(mcnee): Investigate moving this out to WebViewGuest.
NavigationRequest::From(navigation_handle)
->SetSilentlyIgnoreBlockedByClient();
}
void BrowserPluginGuest::DidFinishNavigation(
NavigationHandle* navigation_handle) {
if (navigation_handle->HasCommitted())
RecordAction(base::UserMetricsAction("BrowserPlugin.Guest.DidNavigate"));
}
void BrowserPluginGuest::PrimaryMainFrameRenderProcessGone(
base::TerminationStatus status) {
switch (status) {
#if BUILDFLAG(IS_CHROMEOS)
case base::TERMINATION_STATUS_PROCESS_WAS_KILLED_BY_OOM:
#endif
case base::TERMINATION_STATUS_PROCESS_WAS_KILLED:
RecordAction(base::UserMetricsAction("BrowserPlugin.Guest.Killed"));
break;
case base::TERMINATION_STATUS_PROCESS_CRASHED:
RecordAction(base::UserMetricsAction("BrowserPlugin.Guest.Crashed"));
break;
case base::TERMINATION_STATUS_ABNORMAL_TERMINATION:
RecordAction(
base::UserMetricsAction("BrowserPlugin.Guest.AbnormalDeath"));
break;
case base::TERMINATION_STATUS_LAUNCH_FAILED:
RecordAction(base::UserMetricsAction("BrowserPlugin.Guest.LaunchFailed"));
break;
default:
break;
}
}
} // namespace content
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