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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ash/input_method/editor_text_insertion.h"
#include "base/memory/weak_ptr.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/time/time.h"
#include "base/timer/timer.h"
#include "ui/base/ime/ash/ime_bridge.h"
#include "ui/base/ime/ash/text_input_target.h"
#include "ui/base/ime/text_input_client.h"
namespace ash {
namespace input_method {
namespace {
constexpr base::TimeDelta kInsertionTimeout = base::Seconds(1);
void ConcatenateParagraphs(std::string_view text, std::string* output) {
std::string final_string;
if (base::ReplaceChars(text, "\n", "", &final_string)) {
*output = final_string;
return;
}
*output = text;
}
} // namespace
EditorTextInsertion::EditorTextInsertion(
const std::string& text,
EditorTextInsertion::InsertionStrategy strategy)
: pending_text_(text), state_(State::kPending), strategy_(strategy) {
text_insertion_timeout_.Start(
FROM_HERE, kInsertionTimeout,
base::BindOnce(&EditorTextInsertion::CancelTextInsertion,
weak_ptr_factory_.GetWeakPtr()));
}
EditorTextInsertion::~EditorTextInsertion() = default;
bool EditorTextInsertion::HasTimedOut() {
return state_ == State::kTimedOut;
}
bool EditorTextInsertion::Commit() {
TextInputTarget* input = IMEBridge::Get()->GetInputContextHandler();
if (HasTimedOut() || !input) {
return false;
}
text_insertion_timeout_.Stop();
switch (strategy_) {
case InsertionStrategy::kInsertAsMultipleParagraphs:
input->CommitText(
base::UTF8ToUTF16(pending_text_),
ui::TextInputClient::InsertTextCursorBehavior::kMoveCursorAfterText);
break;
case InsertionStrategy::kInsertAsASingleParagraph:
std::string concatenated_text;
ConcatenateParagraphs(pending_text_, &concatenated_text);
input->CommitText(
base::UTF8ToUTF16(concatenated_text),
ui::TextInputClient::InsertTextCursorBehavior::kMoveCursorAfterText);
break;
}
return true;
}
int EditorTextInsertion::GetTextLength() {
return pending_text_.size();
}
void EditorTextInsertion::CancelTextInsertion() {
state_ = State::kTimedOut;
}
} // namespace input_method
} // namespace ash
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