| // Copyright 2010-2015, 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 "win32/tip/tip_composition_util.h" |
| |
| #include "win32/base/tsf_profile.h" |
| #include "win32/tip/tip_edit_session_impl.h" |
| #include "win32/tip/tip_range_util.h" |
| #include "win32/tip/tip_text_service.h" |
| |
| namespace mozc { |
| namespace win32 { |
| namespace tsf { |
| |
| using ATL::CComPtr; |
| |
| CComPtr<ITfCompositionView> TipCompositionUtil::GetComposition( |
| CComPtr<ITfContext> context, TfEditCookie edit_cookie) { |
| CComPtr<ITfContextComposition> context_composition; |
| if (FAILED(context.QueryInterface(&context_composition))) { |
| return nullptr; |
| } |
| |
| CComPtr<IEnumITfCompositionView> enum_composition; |
| if (FAILED(context_composition->FindComposition(edit_cookie, nullptr, |
| &enum_composition))) { |
| return nullptr; |
| } |
| |
| while (true) { |
| CComPtr<ITfCompositionView> composition_view; |
| ULONG num_fetched = 0; |
| if (enum_composition->Next(1, &composition_view, &num_fetched) != S_OK) { |
| return nullptr; |
| } |
| if (num_fetched != 1) { |
| return nullptr; |
| } |
| GUID clsid = GUID_NULL; |
| if (FAILED(composition_view->GetOwnerClsid(&clsid))) { |
| continue; |
| } |
| if (!::IsEqualCLSID(TsfProfile::GetTextServiceGuid(), clsid)) { |
| continue; |
| } |
| // Although TSF supports multiple composition, Mozc uses only one |
| // composition at the same time. So the first one must be the only one. |
| return composition_view; |
| } |
| } |
| |
| HRESULT TipCompositionUtil::ClearDisplayAttributes(ITfContext *context, |
| ITfComposition *composition, |
| TfEditCookie write_cookie) { |
| HRESULT result = S_OK; |
| |
| // Retrieve the current composition range. |
| CComPtr<ITfRange> composition_range; |
| result = composition->GetRange(&composition_range); |
| if (FAILED(result)) { |
| return result; |
| } |
| |
| // Get out the display attribute property |
| CComPtr<ITfProperty> display_attribute; |
| result = context->GetProperty(GUID_PROP_ATTRIBUTE, &display_attribute); |
| if (FAILED(result)) { |
| return result; |
| } |
| // Clear existing attributes. |
| result = display_attribute->Clear(write_cookie, composition_range); |
| if (FAILED(result)) { |
| return result; |
| } |
| return S_OK; |
| } |
| |
| } // namespace tsf |
| } // namespace win32 |
| } // namespace mozc |