blob: cd659ee2522b5efd3bb048424a7feccaff9e14e3 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
// Copyright 2019 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/core/frame/scheduling.h"
#include "third_party/blink/public/platform/platform.h"
#include "third_party/blink/renderer/core/execution_context/execution_context.h"
#include "third_party/blink/renderer/core/inspector/console_message.h"
#include "third_party/blink/renderer/platform/heap/heap.h"
#include "third_party/blink/renderer/platform/runtime_enabled_features.h"
#include "third_party/blink/renderer/platform/scheduler/main_thread/pending_user_input.h"
#include "third_party/blink/renderer/platform/scheduler/public/pending_user_input_type.h"
#include "third_party/blink/renderer/platform/scheduler/public/thread_scheduler.h"
#include "third_party/blink/renderer/platform/wtf/text/atomic_string.h"
#include "third_party/blink/renderer/platform/wtf/text/string_builder.h"
namespace blink {
bool Scheduling::isInputPending(ScriptState* script_state,
const Vector<String>& input_types) const {
DCHECK(RuntimeEnabledFeatures::ExperimentalIsInputPendingEnabled(
ExecutionContext::From(script_state)));
if (!Platform::Current()->IsLockedToSite()) {
// As we're interested in checking pending events for as many frames as we
// can on the main thread, restrict the API to the case where all frames in
// a process are part of the same site to avoid leaking cross-site inputs.
ExecutionContext::From(script_state)
->AddConsoleMessage(MakeGarbageCollected<ConsoleMessage>(
mojom::ConsoleMessageSource::kJavaScript,
mojom::ConsoleMessageLevel::kWarning,
"isInputPending requires site-per-process (crbug.com/910421)."));
return false;
}
auto* scheduler = ThreadScheduler::Current();
auto input_info = scheduler->GetPendingUserInputInfo();
if (input_types.size() == 0) {
// If unspecified, return true if any input type is pending.
return input_info.HasPendingInputType(
scheduler::PendingUserInputType::kAny);
}
bool has_pending_input = false;
for (const String& input_type_string : input_types) {
const auto pending_input_type = scheduler::PendingUserInput::TypeFromString(
AtomicString(input_type_string));
if (pending_input_type == scheduler::PendingUserInputType::kNone) {
StringBuilder message;
message.Append("Unknown input event type \"");
message.Append(input_type_string);
message.Append("\". Skipping.");
ExecutionContext::From(script_state)
->AddConsoleMessage(MakeGarbageCollected<ConsoleMessage>(
mojom::ConsoleMessageSource::kJavaScript,
mojom::ConsoleMessageLevel::kWarning, message.ToString()));
}
if (!has_pending_input)
has_pending_input |= input_info.HasPendingInputType(pending_input_type);
}
return has_pending_input;
}
bool Scheduling::isFramePending() const {
auto* scheduler = ThreadScheduler::Current();
return scheduler->IsBeginMainFrameScheduled();
}
} // namespace blink
|
