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// Copyright 2018 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 "third_party/blink/renderer/modules/picture_in_picture/html_video_element_picture_in_picture.h"
#include "third_party/blink/public/common/picture_in_picture/picture_in_picture_control_info.h"
#include "third_party/blink/public/platform/web_icon_sizes_parser.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise_resolver.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/dom/dom_exception.h"
#include "third_party/blink/renderer/core/dom/events/event.h"
#include "third_party/blink/renderer/core/html/media/html_video_element.h"
#include "third_party/blink/renderer/modules/picture_in_picture/picture_in_picture_control.h"
#include "third_party/blink/renderer/modules/picture_in_picture/picture_in_picture_controller_impl.h"
#include "third_party/blink/renderer/modules/picture_in_picture/picture_in_picture_window.h"
namespace blink {
using Status = PictureInPictureControllerImpl::Status;
namespace {
const char kDetachedError[] =
"The element is no longer associated with a document.";
const char kMetadataNotLoadedError[] =
"Metadata for the video element are not loaded yet.";
const char kVideoTrackNotAvailableError[] =
"The video element has no video track.";
const char kFeaturePolicyBlocked[] =
"Access to the feature \"picture-in-picture\" is disallowed by feature "
"policy.";
const char kNotAvailable[] = "Picture-in-Picture is not available.";
const char kUserGestureRequired[] =
"Must be handling a user gesture to request picture in picture.";
const char kDisablePictureInPicturePresent[] =
"\"disablePictureInPicture\" attribute is present.";
} // namespace
// static
ScriptPromise HTMLVideoElementPictureInPicture::requestPictureInPicture(
ScriptState* script_state,
HTMLVideoElement& element) {
Document& document = element.GetDocument();
PictureInPictureControllerImpl& controller =
PictureInPictureControllerImpl::From(document);
switch (controller.IsElementAllowed(element)) {
case Status::kFrameDetached:
return ScriptPromise::RejectWithDOMException(
script_state,
DOMException::Create(DOMExceptionCode::kInvalidStateError,
kDetachedError));
case Status::kMetadataNotLoaded:
return ScriptPromise::RejectWithDOMException(
script_state,
DOMException::Create(DOMExceptionCode::kInvalidStateError,
kMetadataNotLoadedError));
case Status::kVideoTrackNotAvailable:
return ScriptPromise::RejectWithDOMException(
script_state,
DOMException::Create(DOMExceptionCode::kInvalidStateError,
kVideoTrackNotAvailableError));
case Status::kDisabledByFeaturePolicy:
return ScriptPromise::RejectWithDOMException(
script_state, DOMException::Create(DOMExceptionCode::kSecurityError,
kFeaturePolicyBlocked));
case Status::kDisabledByAttribute:
return ScriptPromise::RejectWithDOMException(
script_state,
DOMException::Create(DOMExceptionCode::kInvalidStateError,
kDisablePictureInPicturePresent));
case Status::kDisabledBySystem:
return ScriptPromise::RejectWithDOMException(
script_state,
DOMException::Create(DOMExceptionCode::kNotSupportedError,
kNotAvailable));
case Status::kEnabled:
break;
}
// Frame is not null, otherwise `IsElementAllowed()` would have return
// `kFrameDetached`.
LocalFrame* frame = element.GetFrame();
DCHECK(frame);
if (!LocalFrame::ConsumeTransientUserActivation(frame)) {
return ScriptPromise::RejectWithDOMException(
script_state, DOMException::Create(DOMExceptionCode::kNotAllowedError,
kUserGestureRequired));
}
ScriptPromiseResolver* resolver = ScriptPromiseResolver::Create(script_state);
ScriptPromise promise = resolver->Promise();
document.GetTaskRunner(TaskType::kMediaElementEvent)
->PostTask(
FROM_HERE,
WTF::Bind(&PictureInPictureControllerImpl::EnterPictureInPicture,
WrapPersistent(&controller), WrapPersistent(&element),
WrapPersistent(resolver)));
return promise;
}
void HTMLVideoElementPictureInPicture::setPictureInPictureControls(
HTMLVideoElement& element,
const HeapVector<PictureInPictureControl>& controls) {
Document& document = element.GetDocument();
PictureInPictureControllerImpl& controller =
PictureInPictureControllerImpl::From(document);
controller.SetPictureInPictureCustomControls(
&element, ToPictureInPictureControlInfoVector(controls));
}
// static
bool HTMLVideoElementPictureInPicture::FastHasAttribute(
const QualifiedName& name,
const HTMLVideoElement& element) {
DCHECK(name == HTMLNames::disablepictureinpictureAttr);
return element.FastHasAttribute(name);
}
// static
void HTMLVideoElementPictureInPicture::SetBooleanAttribute(
const QualifiedName& name,
HTMLVideoElement& element,
bool value) {
DCHECK(name == HTMLNames::disablepictureinpictureAttr);
element.SetBooleanAttribute(name, value);
if (!value)
return;
Document& document = element.GetDocument();
TreeScope& scope = element.GetTreeScope();
PictureInPictureControllerImpl& controller =
PictureInPictureControllerImpl::From(document);
if (controller.PictureInPictureElement(scope) == &element) {
controller.ExitPictureInPicture(&element, nullptr);
}
}
// static
std::vector<PictureInPictureControlInfo>
HTMLVideoElementPictureInPicture::ToPictureInPictureControlInfoVector(
const HeapVector<PictureInPictureControl>& controls) {
std::vector<PictureInPictureControlInfo> converted_controls;
for (size_t i = 0; i < controls.size(); ++i) {
PictureInPictureControlInfo current_converted_control;
HeapVector<MediaImage> current_icons = controls[i].icons();
// Only two icons are supported, so cap the loop at running that many times
// to avoid potential problems.
for (size_t j = 0; j < current_icons.size() && j < 2; ++j) {
PictureInPictureControlInfo::Icon current_icon;
current_icon.src = KURL(WebString(current_icons[j].src()));
WebVector<WebSize> sizes = WebIconSizesParser::ParseIconSizes(
WebString(current_icons[j].sizes()));
std::vector<gfx::Size> converted_sizes;
for (size_t i = 0; i < sizes.size(); ++i)
converted_sizes.push_back(static_cast<gfx::Size>(sizes[i]));
current_icon.sizes = converted_sizes;
current_icon.type = WebString(current_icons[j].type()).Utf8();
current_converted_control.icons.push_back(current_icon);
}
current_converted_control.id = WebString(controls[i].id()).Utf8();
current_converted_control.label = WebString(controls[i].label()).Utf8();
converted_controls.push_back(current_converted_control);
}
return converted_controls;
}
} // namespace blink
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