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// Copyright 2016 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 "components/arc/ime/arc_ime_bridge_impl.h"
#include <utility>
#include <vector>
#include "base/logging.h"
#include "base/strings/utf_string_conversions.h"
#include "components/arc/arc_bridge_service.h"
#include "ui/base/ime/composition_text.h"
#include "ui/base/ime/text_input_type.h"
#include "ui/gfx/geometry/rect.h"
namespace arc {
namespace {
ui::TextInputType ConvertTextInputType(mojom::TextInputType ipc_type) {
// The two enum types are similar, but intentionally made not identical.
// We cannot force them to be in sync. If we do, updates in ui::TextInputType
// must always be propagated to the mojom::TextInputType mojo definition in
// ARC container side, which is in a different repository than Chromium.
// We don't want such dependency.
//
// That's why we need a lengthy switch statement instead of static_cast
// guarded by a static assert on the two enums to be in sync.
switch (ipc_type) {
case mojom::TextInputType::NONE:
return ui::TEXT_INPUT_TYPE_NONE;
case mojom::TextInputType::TEXT:
return ui::TEXT_INPUT_TYPE_TEXT;
case mojom::TextInputType::PASSWORD:
return ui::TEXT_INPUT_TYPE_PASSWORD;
case mojom::TextInputType::SEARCH:
return ui::TEXT_INPUT_TYPE_SEARCH;
case mojom::TextInputType::EMAIL:
return ui::TEXT_INPUT_TYPE_EMAIL;
case mojom::TextInputType::NUMBER:
return ui::TEXT_INPUT_TYPE_NUMBER;
case mojom::TextInputType::TELEPHONE:
return ui::TEXT_INPUT_TYPE_TELEPHONE;
case mojom::TextInputType::URL:
return ui::TEXT_INPUT_TYPE_URL;
case mojom::TextInputType::DATE:
return ui::TEXT_INPUT_TYPE_DATE;
case mojom::TextInputType::TIME:
return ui::TEXT_INPUT_TYPE_TIME;
case mojom::TextInputType::DATETIME:
return ui::TEXT_INPUT_TYPE_DATE_TIME_LOCAL;
default:
return ui::TEXT_INPUT_TYPE_TEXT;
}
}
std::vector<mojom::CompositionSegmentPtr> ConvertSegments(
const ui::CompositionText& composition) {
std::vector<mojom::CompositionSegmentPtr> segments;
for (const ui::CompositionUnderline& underline : composition.underlines) {
mojom::CompositionSegmentPtr segment = mojom::CompositionSegment::New();
segment->start_offset = underline.start_offset;
segment->end_offset = underline.end_offset;
segment->emphasized =
(underline.thick ||
(composition.selection.start() == underline.start_offset &&
composition.selection.end() == underline.end_offset));
segments.push_back(std::move(segment));
}
return segments;
}
} // namespace
ArcImeBridgeImpl::ArcImeBridgeImpl(Delegate* delegate,
ArcBridgeService* bridge_service)
: binding_(this), delegate_(delegate), bridge_service_(bridge_service) {
bridge_service_->ime()->AddObserver(this);
}
ArcImeBridgeImpl::~ArcImeBridgeImpl() {
bridge_service_->ime()->RemoveObserver(this);
}
void ArcImeBridgeImpl::OnInstanceReady() {
auto* instance = ARC_GET_INSTANCE_FOR_METHOD(bridge_service_->ime(), Init);
DCHECK(instance);
instance->Init(binding_.CreateInterfacePtrAndBind());
}
void ArcImeBridgeImpl::SendSetCompositionText(
const ui::CompositionText& composition) {
auto* ime_instance =
ARC_GET_INSTANCE_FOR_METHOD(bridge_service_->ime(), SetCompositionText);
if (!ime_instance)
return;
ime_instance->SetCompositionText(base::UTF16ToUTF8(composition.text),
ConvertSegments(composition));
}
void ArcImeBridgeImpl::SendConfirmCompositionText() {
auto* ime_instance = ARC_GET_INSTANCE_FOR_METHOD(bridge_service_->ime(),
ConfirmCompositionText);
if (!ime_instance)
return;
ime_instance->ConfirmCompositionText();
}
void ArcImeBridgeImpl::SendInsertText(const base::string16& text) {
auto* ime_instance =
ARC_GET_INSTANCE_FOR_METHOD(bridge_service_->ime(), InsertText);
if (!ime_instance)
return;
ime_instance->InsertText(base::UTF16ToUTF8(text));
}
void ArcImeBridgeImpl::SendOnKeyboardBoundsChanging(
const gfx::Rect& new_bounds) {
auto* ime_instance = ARC_GET_INSTANCE_FOR_METHOD(bridge_service_->ime(),
OnKeyboardBoundsChanging);
if (!ime_instance)
return;
ime_instance->OnKeyboardBoundsChanging(new_bounds);
}
void ArcImeBridgeImpl::SendExtendSelectionAndDelete(
size_t before, size_t after) {
auto* ime_instance = ARC_GET_INSTANCE_FOR_METHOD(bridge_service_->ime(),
ExtendSelectionAndDelete);
if (!ime_instance)
return;
ime_instance->ExtendSelectionAndDelete(before, after);
}
void ArcImeBridgeImpl::OnTextInputTypeChanged(mojom::TextInputType type) {
delegate_->OnTextInputTypeChanged(ConvertTextInputType(type));
}
void ArcImeBridgeImpl::OnCursorRectChanged(gfx::Rect rect) {
delegate_->OnCursorRectChanged(rect);
}
void ArcImeBridgeImpl::OnCancelComposition() {
delegate_->OnCancelComposition();
}
void ArcImeBridgeImpl::ShowImeIfNeeded() {
delegate_->ShowImeIfNeeded();
}
void ArcImeBridgeImpl::OnCursorRectChangedWithSurroundingText(
gfx::Rect rect,
gfx::Range text_range,
const std::string& text_in_range,
gfx::Range selection_range) {
delegate_->OnCursorRectChangedWithSurroundingText(
rect, text_range, base::UTF8ToUTF16(text_in_range), selection_range);
}
} // namespace arc
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