unix/ibus/engine_registrar.cc - mozc (12cc99c)

engine_registrar.cc @12cc99c — raw · history · blame

// Copyright 2010-2011, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
//     * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#include "unix/ibus/engine_registrar.h"

#include "base/logging.h"
#include "unix/ibus/engine_interface.h"

namespace {
mozc::ibus::EngineInterface *g_engine = NULL;
}

namespace mozc {
namespace ibus {

bool EngineRegistrar::Register(EngineInterface *engine,
                               IBusEngineClass *engine_class) {
  DCHECK(engine) << "engine is NULL";
  DCHECK(!g_engine) << "engine is already registered";

  g_engine = engine;

  engine_class->cursor_down = CursorDown;
  engine_class->candidate_clicked = CandidateClicked;
  engine_class->cursor_down = CursorDown;
  engine_class->cursor_up = CursorUp;
  engine_class->disable = Disable;
  engine_class->enable = Enable;
  engine_class->focus_in = FocusIn;
  engine_class->focus_out = FocusOut;
  engine_class->page_down = PageDown;
  engine_class->page_up = PageUp;
  engine_class->process_key_event = ProcessKeyEvent;
  engine_class->property_activate = PropertyActivate;
  engine_class->property_hide = PropertyHide;
  engine_class->property_show = PropertyShow;
  engine_class->reset = Reset;
  engine_class->set_capabilities = SetCapabilities;
  engine_class->set_cursor_location = SetCursorLocation;

  return true;
}

EngineInterface *EngineRegistrar::Unregister(IBusEngineClass *engine_class) {
  DCHECK(g_engine) << "engine is not registered";

  engine_class->cursor_down = NULL;
  engine_class->candidate_clicked = NULL;
  engine_class->cursor_down = NULL;
  engine_class->cursor_up = NULL;
  engine_class->disable = NULL;
  engine_class->enable = NULL;
  engine_class->focus_in = NULL;
  engine_class->focus_out = NULL;
  engine_class->page_down = NULL;
  engine_class->page_up = NULL;
  engine_class->process_key_event = NULL;
  engine_class->property_activate = NULL;
  engine_class->property_hide = NULL;
  engine_class->property_show = NULL;
  engine_class->reset = NULL;
  engine_class->set_capabilities = NULL;
  engine_class->set_cursor_location = NULL;

  mozc::ibus::EngineInterface *previous = g_engine;
  g_engine = NULL;
  return previous;
}

void EngineRegistrar::CandidateClicked(
    IBusEngine *engine,
    guint index,
    guint button,
    guint state) {
  g_engine->CandidateClicked(engine, index, button, state);
}

void EngineRegistrar::CursorDown(IBusEngine *engine) {
  g_engine->CursorDown(engine);
}

void EngineRegistrar::CursorUp(IBusEngine *engine) {
  g_engine->CursorUp(engine);
}

void EngineRegistrar::Disable(IBusEngine *engine) {
  g_engine->Disable(engine);
}

void EngineRegistrar::Enable(IBusEngine *engine) {
  g_engine->Enable(engine);
}

void EngineRegistrar::FocusIn(IBusEngine *engine) {
  g_engine->FocusIn(engine);
}

void EngineRegistrar::FocusOut(IBusEngine *engine) {
  g_engine->FocusOut(engine);
}

void EngineRegistrar::PageDown(IBusEngine *engine) {
  g_engine->PageDown(engine);
}

void EngineRegistrar::PageUp(IBusEngine *engine) {
  g_engine->PageUp(engine);
}

gboolean EngineRegistrar::ProcessKeyEvent(
    IBusEngine *engine,
    guint keyval,
    guint keycode,
    guint state) {
  return g_engine->ProcessKeyEvent(engine, keyval, keycode, state);
}

void EngineRegistrar::PropertyActivate(
    IBusEngine *engine,
    const gchar *property_name,
    guint property_state) {
  g_engine->PropertyActivate(engine, property_name, property_state);
}

void EngineRegistrar::PropertyHide(
    IBusEngine *engine,
    const gchar *property_name) {
  g_engine->PropertyHide(engine, property_name);
}

void EngineRegistrar::PropertyShow(
    IBusEngine *engine,
    const gchar *property_name) {
  g_engine->PropertyShow(engine, property_name);
}

void EngineRegistrar::Reset(IBusEngine *engine) {
  g_engine->Reset(engine);
}

void EngineRegistrar::SetCapabilities(
    IBusEngine *engine,
    guint capabilities) {
  g_engine->SetCapabilities(engine, capabilities);
}

void EngineRegistrar::SetCursorLocation(
    IBusEngine *engine,
    gint x,
    gint y,
    gint w,
    gint h) {
  g_engine->SetCursorLocation(engine, x, y, w, h);
}

}  // namespace ibus
}  // namespace mozc
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