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// Copyright (c) 2011 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 "views/ime/ime_context.h"
namespace {
#ifdef USE_DUMMY_IME_CONTEXT
class DummyIMEContext : public views::IMEContext {
public:
explicit DummyIMEContext(views::View* view)
: views::IMEContext(view) {}
virtual ~DummyIMEContext() {}
// views::IMEContext implementations:
virtual void Focus() {}
virtual void Blur() {}
virtual void Reset() {}
virtual bool FilterKeyEvent(const views::KeyEvent& event) {
return false;
}
virtual void SetCursorLocation(const gfx::Rect& caret_rect) {}
virtual void SetSurrounding(const string16& text, int cursor_pos) {}
private:
DISALLOW_COPY_AND_ASSIGN(DummyIMEContext);
};
#endif // USE_DUMMY_IME_CONTEXT
} // namespace
namespace views {
IMEContext::IMEContext(View* view)
: view_(view) ,
commit_text_listener_(NULL),
composition_listener_(NULL),
forward_key_event_listener_(NULL),
surrounding_listener_(NULL) {
}
void IMEContext::CommitText(const string16& text) {
if (commit_text_listener_)
commit_text_listener_->OnCommitText(this, text);
}
void IMEContext::StartComposition() {
if (composition_listener_)
composition_listener_->OnStartComposition(this);
}
void IMEContext::EndComposition() {
if (composition_listener_)
composition_listener_->OnEndComposition(this);
}
void IMEContext::SetComposition(const string16& text,
const CompositionAttributeList& attributes,
uint32 cursor_pos) {
if (composition_listener_)
composition_listener_->OnSetComposition(this, text, attributes, cursor_pos);
}
void IMEContext::ForwardKeyEvent(const KeyEvent& event) {
if (forward_key_event_listener_)
forward_key_event_listener_->OnForwardKeyEvent(this, event);
}
bool IMEContext::SetSurroundingActive(bool active) {
if (surrounding_listener_)
return surrounding_listener_->OnSetSurroundingActive(this, active);
return false;
}
bool IMEContext::DeleteSurrounding(int offset, int nchars) {
if (surrounding_listener_)
return surrounding_listener_->OnDeleteSurrounding(this, offset, nchars);
return false;
}
#ifdef USE_DUMMY_IME_CONTEXT
IMEContext* IMEContext::Create(View* view) {
return new DummyIMEContext(view);
}
#endif // USE_DUMMY_IME_CONTEXT
} // namespace views
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