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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/browser/app_window/app_web_contents_helper.h"
#include "base/strings/stringprintf.h"
#include "components/input/native_web_keyboard_event.h"
#include "content/public/browser/page_navigator.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "extensions/browser/app_window/app_delegate.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/browser/suggest_permission_util.h"
#include "extensions/common/extension_id.h"
#include "extensions/common/permissions/api_permission.h"
#include "third_party/blink/public/common/input/web_gesture_event.h"
#include "third_party/blink/public/mojom/devtools/console_message.mojom.h"
namespace extensions {
AppWebContentsHelper::AppWebContentsHelper(
content::BrowserContext* browser_context,
const ExtensionId& extension_id,
content::WebContents* web_contents,
AppDelegate* app_delegate)
: browser_context_(browser_context),
extension_id_(extension_id),
web_contents_(web_contents),
app_delegate_(app_delegate) {}
// static
bool AppWebContentsHelper::ShouldSuppressGestureEvent(
const blink::WebGestureEvent& event) {
// Disable "smart zoom" (double-tap with two fingers on Mac trackpad).
if (event.GetType() == blink::WebInputEvent::Type::kGestureDoubleTap)
return true;
// Disable pinch zooming in app windows.
if (blink::WebInputEvent::IsPinchGestureEventType(event.GetType())) {
// Only suppress pinch events that cause a scale change. We still
// allow synthetic wheel events for touchpad pinch to go to the page.
return !(event.SourceDevice() == blink::WebGestureDevice::kTouchpad &&
event.NeedsWheelEvent());
}
return false;
}
content::WebContents* AppWebContentsHelper::OpenURLFromTab(
const content::OpenURLParams& params,
base::OnceCallback<void(content::NavigationHandle&)>
navigation_handle_callback) const {
// Don't allow the current tab to be navigated. It would be nice to map all
// anchor tags (even those without target="_blank") to new tabs, but right
// now we can't distinguish between those and <meta> refreshes or window.href
// navigations, which we don't want to allow.
// TODO(mihaip): Can we check for user gestures instead?
WindowOpenDisposition disposition = params.disposition;
if (disposition == WindowOpenDisposition::CURRENT_TAB) {
web_contents_->GetPrimaryMainFrame()->AddMessageToConsole(
blink::mojom::ConsoleMessageLevel::kError,
base::StringPrintf(
"Can't open same-window link to \"%s\"; try target=\"_blank\".",
params.url.spec().c_str()));
return nullptr;
}
// These dispositions aren't really navigations.
if (disposition == WindowOpenDisposition::SAVE_TO_DISK ||
disposition == WindowOpenDisposition::IGNORE_ACTION)
return nullptr;
content::WebContents* contents =
app_delegate_->OpenURLFromTab(browser_context_, web_contents_, params,
std::move(navigation_handle_callback));
if (!contents) {
web_contents_->GetPrimaryMainFrame()->AddMessageToConsole(
blink::mojom::ConsoleMessageLevel::kError,
base::StringPrintf(
"Can't navigate to \"%s\"; apps do not support navigation.",
params.url.spec().c_str()));
}
return contents;
}
void AppWebContentsHelper::RequestPointerLock() const {
const Extension* extension = GetExtension();
if (!extension)
return;
bool has_permission = IsExtensionWithPermissionOrSuggestInConsole(
mojom::APIPermissionID::kPointerLock, extension,
web_contents_->GetPrimaryMainFrame());
if (has_permission)
web_contents_->GotResponseToPointerLockRequest(
blink::mojom::PointerLockResult::kSuccess);
else
web_contents_->GotResponseToPointerLockRequest(
blink::mojom::PointerLockResult::kPermissionDenied);
}
void AppWebContentsHelper::RequestMediaAccessPermission(
const content::MediaStreamRequest& request,
content::MediaResponseCallback callback) const {
const Extension* extension = GetExtension();
if (!extension)
return;
app_delegate_->RequestMediaAccessPermission(web_contents_, request,
std::move(callback), extension);
}
bool AppWebContentsHelper::CheckMediaAccessPermission(
content::RenderFrameHost* render_frame_host,
const url::Origin& security_origin,
blink::mojom::MediaStreamType type) const {
const Extension* extension = GetExtension();
if (!extension)
return false;
return app_delegate_->CheckMediaAccessPermission(
render_frame_host, security_origin, type, extension);
}
const Extension* AppWebContentsHelper::GetExtension() const {
return ExtensionRegistry::Get(browser_context_)
->enabled_extensions()
.GetByID(extension_id_);
}
} // namespace extensions
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