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// Copyright 2014 The Chromium 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 "chrome/browser/gpu/three_d_api_observer.h"
#include "base/macros.h"
#include "base/metrics/histogram.h"
#include "chrome/browser/infobars/infobar_service.h"
#include "chrome/browser/tab_contents/tab_util.h"
#include "chrome/grit/generated_resources.h"
#include "components/infobars/core/confirm_infobar_delegate.h"
#include "components/infobars/core/infobar.h"
#include "content/public/browser/gpu_data_manager.h"
#include "grit/components_strings.h"
#include "grit/theme_resources.h"
#include "ui/base/l10n/l10n_util.h"
// ThreeDAPIInfoBarDelegate ---------------------------------------------------
class ThreeDAPIInfoBarDelegate : public ConfirmInfoBarDelegate {
public:
// Creates a 3D API infobar and delegate and adds the infobar to
// |infobar_service|.
static void Create(InfoBarService* infobar_service,
const GURL& url,
content::ThreeDAPIType requester);
private:
enum DismissalHistogram {
IGNORED,
RELOADED,
CLOSED_WITHOUT_ACTION,
DISMISSAL_MAX
};
ThreeDAPIInfoBarDelegate(const GURL& url, content::ThreeDAPIType requester);
~ThreeDAPIInfoBarDelegate() override;
// ConfirmInfoBarDelegate:
infobars::InfoBarDelegate::InfoBarIdentifier GetIdentifier() const override;
int GetIconId() const override;
bool EqualsDelegate(infobars::InfoBarDelegate* delegate) const override;
ThreeDAPIInfoBarDelegate* AsThreeDAPIInfoBarDelegate() override;
base::string16 GetMessageText() const override;
base::string16 GetButtonLabel(InfoBarButton button) const override;
bool Accept() override;
bool Cancel() override;
base::string16 GetLinkText() const override;
GURL GetLinkURL() const override;
GURL url_;
content::ThreeDAPIType requester_;
// Basically indicates whether the infobar was displayed at all, or
// was a temporary instance thrown away by the InfobarService.
mutable bool message_text_queried_;
bool action_taken_;
DISALLOW_COPY_AND_ASSIGN(ThreeDAPIInfoBarDelegate);
};
// static
void ThreeDAPIInfoBarDelegate::Create(InfoBarService* infobar_service,
const GURL& url,
content::ThreeDAPIType requester) {
if (!infobar_service)
return; // NULL for apps.
infobar_service->AddInfoBar(
infobar_service->CreateConfirmInfoBar(scoped_ptr<ConfirmInfoBarDelegate>(
new ThreeDAPIInfoBarDelegate(url, requester))));
}
ThreeDAPIInfoBarDelegate::ThreeDAPIInfoBarDelegate(
const GURL& url,
content::ThreeDAPIType requester)
: ConfirmInfoBarDelegate(),
url_(url),
requester_(requester),
message_text_queried_(false),
action_taken_(false) {
}
ThreeDAPIInfoBarDelegate::~ThreeDAPIInfoBarDelegate() {
if (message_text_queried_ && !action_taken_) {
UMA_HISTOGRAM_ENUMERATION("GPU.ThreeDAPIInfoBarDismissal",
CLOSED_WITHOUT_ACTION, DISMISSAL_MAX);
}
}
infobars::InfoBarDelegate::InfoBarIdentifier
ThreeDAPIInfoBarDelegate::GetIdentifier() const {
return THREE_D_API_INFOBAR_DELEGATE;
}
int ThreeDAPIInfoBarDelegate::GetIconId() const {
return IDR_INFOBAR_3D_BLOCKED;
}
bool ThreeDAPIInfoBarDelegate::EqualsDelegate(
infobars::InfoBarDelegate* delegate) const {
// For the time being, if a given web page is actually using both
// WebGL and Pepper 3D and both APIs are blocked, just leave the
// first infobar up. If the user selects "try again", both APIs will
// be unblocked and the web page reload will succeed.
return !!delegate->AsThreeDAPIInfoBarDelegate();
}
ThreeDAPIInfoBarDelegate*
ThreeDAPIInfoBarDelegate::AsThreeDAPIInfoBarDelegate() {
return this;
}
base::string16 ThreeDAPIInfoBarDelegate::GetMessageText() const {
message_text_queried_ = true;
base::string16 api_name;
switch (requester_) {
case content::THREE_D_API_TYPE_WEBGL:
api_name = l10n_util::GetStringUTF16(IDS_3D_APIS_WEBGL_NAME);
break;
case content::THREE_D_API_TYPE_PEPPER_3D:
api_name = l10n_util::GetStringUTF16(IDS_3D_APIS_PEPPER_3D_NAME);
break;
}
return l10n_util::GetStringFUTF16(IDS_3D_APIS_BLOCKED_TEXT,
api_name);
}
base::string16 ThreeDAPIInfoBarDelegate::GetButtonLabel(
InfoBarButton button) const {
return l10n_util::GetStringUTF16((button == BUTTON_OK) ?
IDS_3D_APIS_BLOCKED_OK_BUTTON_LABEL :
IDS_3D_APIS_BLOCKED_TRY_AGAIN_BUTTON_LABEL);
}
bool ThreeDAPIInfoBarDelegate::Accept() {
action_taken_ = true;
UMA_HISTOGRAM_ENUMERATION("GPU.ThreeDAPIInfoBarDismissal", IGNORED,
DISMISSAL_MAX);
return true;
}
bool ThreeDAPIInfoBarDelegate::Cancel() {
action_taken_ = true;
UMA_HISTOGRAM_ENUMERATION("GPU.ThreeDAPIInfoBarDismissal", RELOADED,
DISMISSAL_MAX);
content::GpuDataManager::GetInstance()->UnblockDomainFrom3DAPIs(url_);
InfoBarService::WebContentsFromInfoBar(infobar())->GetController().Reload(
true);
return true;
}
base::string16 ThreeDAPIInfoBarDelegate::GetLinkText() const {
return l10n_util::GetStringUTF16(IDS_LEARN_MORE);
}
GURL ThreeDAPIInfoBarDelegate::GetLinkURL() const {
return GURL("https://support.google.com/chrome/?p=ib_webgl");
}
// ThreeDAPIObserver ----------------------------------------------------------
ThreeDAPIObserver::ThreeDAPIObserver() {
content::GpuDataManager::GetInstance()->AddObserver(this);
}
ThreeDAPIObserver::~ThreeDAPIObserver() {
content::GpuDataManager::GetInstance()->RemoveObserver(this);
}
void ThreeDAPIObserver::DidBlock3DAPIs(const GURL& top_origin_url,
int render_process_id,
int render_frame_id,
content::ThreeDAPIType requester) {
content::WebContents* web_contents = tab_util::GetWebContentsByFrameID(
render_process_id, render_frame_id);
if (!web_contents)
return;
ThreeDAPIInfoBarDelegate::Create(
InfoBarService::FromWebContents(web_contents), top_origin_url, requester);
}
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