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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_ipc_host.h"
#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(arc::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 arc::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 arc::TEXT_INPUT_TYPE_NONE:
return ui::TEXT_INPUT_TYPE_NONE;
case arc::TEXT_INPUT_TYPE_TEXT:
return ui::TEXT_INPUT_TYPE_TEXT;
case arc::TEXT_INPUT_TYPE_PASSWORD:
return ui::TEXT_INPUT_TYPE_PASSWORD;
case arc::TEXT_INPUT_TYPE_SEARCH:
return ui::TEXT_INPUT_TYPE_SEARCH;
case arc::TEXT_INPUT_TYPE_EMAIL:
return ui::TEXT_INPUT_TYPE_EMAIL;
case arc::TEXT_INPUT_TYPE_NUMBER:
return ui::TEXT_INPUT_TYPE_NUMBER;
case arc::TEXT_INPUT_TYPE_TELEPHONE:
return ui::TEXT_INPUT_TYPE_TELEPHONE;
case arc::TEXT_INPUT_TYPE_URL:
return ui::TEXT_INPUT_TYPE_URL;
case arc::TEXT_INPUT_TYPE_DATE:
return ui::TEXT_INPUT_TYPE_DATE;
case arc::TEXT_INPUT_TYPE_TIME:
return ui::TEXT_INPUT_TYPE_TIME;
case arc::TEXT_INPUT_TYPE_DATETIME:
return ui::TEXT_INPUT_TYPE_DATE_TIME_LOCAL;
default:
return ui::TEXT_INPUT_TYPE_TEXT;
}
}
mojo::Array<arc::CompositionSegmentPtr> ConvertSegments(
const ui::CompositionText& composition) {
mojo::Array<arc::CompositionSegmentPtr> segments =
mojo::Array<arc::CompositionSegmentPtr>::New(0);
for (const ui::CompositionUnderline& underline : composition.underlines) {
arc::CompositionSegmentPtr segment = arc::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
ArcImeIpcHost::ArcImeIpcHost(Delegate* delegate,
ArcBridgeService* bridge_service)
: binding_(this), delegate_(delegate), bridge_service_(bridge_service) {
bridge_service_->AddObserver(this);
}
ArcImeIpcHost::~ArcImeIpcHost() {
bridge_service_->RemoveObserver(this);
}
void ArcImeIpcHost::OnImeInstanceReady() {
arc::ImeHostPtr host;
binding_.Bind(mojo::GetProxy(&host));
bridge_service_->ime_instance()->Init(std::move(host));
}
void ArcImeIpcHost::SendSetCompositionText(
const ui::CompositionText& composition) {
ImeInstance* ime_instance = bridge_service_->ime_instance();
if (!ime_instance) {
LOG(ERROR) << "ArcImeInstance method called before being ready.";
return;
}
ime_instance->SetCompositionText(base::UTF16ToUTF8(composition.text),
ConvertSegments(composition));
}
void ArcImeIpcHost::SendConfirmCompositionText() {
ImeInstance* ime_instance = bridge_service_->ime_instance();
if (!ime_instance) {
LOG(ERROR) << "ArcImeInstance method called before being ready.";
return;
}
ime_instance->ConfirmCompositionText();
}
void ArcImeIpcHost::SendInsertText(const base::string16& text) {
ImeInstance* ime_instance = bridge_service_->ime_instance();
if (!ime_instance) {
LOG(ERROR) << "ArcImeInstance method called before being ready.";
return;
}
ime_instance->InsertText(base::UTF16ToUTF8(text));
}
void ArcImeIpcHost::OnTextInputTypeChanged(arc::TextInputType type) {
delegate_->OnTextInputTypeChanged(ConvertTextInputType(type));
}
void ArcImeIpcHost::OnCursorRectChanged(arc::CursorRectPtr rect) {
delegate_->OnCursorRectChanged(gfx::Rect(
rect->left,
rect->top,
rect->right - rect->left,
rect->bottom - rect->top));
}
} // namespace arc
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