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Side by Side Diff: win8/metro_driver/ime/input_scope.cc

Issue 1815463002: Remove win8/metro_driver (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: . Created 4 years, 9 months ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "win8/metro_driver/ime/input_scope.h"
6
7 #include <atlbase.h>
8 #include <atlcom.h>
9
10 #include "base/logging.h"
11 #include "base/macros.h"
12 #include "ui/base/win/atl_module.h"
13
14 namespace metro_driver {
15 namespace {
16
17 // An implementation of ITfInputScope interface.
18 // This implementation only covers ITfInputScope::GetInputScopes since built-in
19 // on-screen keyboard on Windows 8+ changes its layout depending on the returned
20 // value of this method.
21 // Although other advanced features of ITfInputScope such as phase list or
22 // regex support might be useful for IMEs or on-screen keyboards in future,
23 // no IME seems to be utilizing such features as of Windows 8.1.
24 class ATL_NO_VTABLE InputScopeImpl
25 : public CComObjectRootEx<CComMultiThreadModel>,
26 public ITfInputScope {
27 public:
28 InputScopeImpl() {}
29
30 BEGIN_COM_MAP(InputScopeImpl)
31 COM_INTERFACE_ENTRY(ITfInputScope)
32 END_COM_MAP()
33
34 void Initialize(const std::vector<InputScope>& input_scopes) {
35 input_scopes_ = input_scopes;
36 }
37
38 private:
39 // ITfInputScope overrides:
40 STDMETHOD(GetInputScopes)(InputScope** input_scopes, UINT* count) override {
41 if (!count || !input_scopes)
42 return E_INVALIDARG;
43 *input_scopes = static_cast<InputScope*>(
44 CoTaskMemAlloc(sizeof(InputScope) * input_scopes_.size()));
45 if (!input_scopes) {
46 *count = 0;
47 return E_OUTOFMEMORY;
48 }
49 std::copy(input_scopes_.begin(), input_scopes_.end(), *input_scopes);
50 *count = static_cast<UINT>(input_scopes_.size());
51 return S_OK;
52 }
53 STDMETHOD(GetPhrase)(BSTR** phrases, UINT* count) override {
54 return E_NOTIMPL;
55 }
56 STDMETHOD(GetRegularExpression)(BSTR* regexp) override {
57 return E_NOTIMPL;
58 }
59 STDMETHOD(GetSRGS)(BSTR* srgs) override {
60 return E_NOTIMPL;
61 }
62 STDMETHOD(GetXML)(BSTR* xml) override {
63 return E_NOTIMPL;
64 }
65
66 // Data which ITfInputScope::GetInputScopes should return.
67 std::vector<InputScope> input_scopes_;
68
69 DISALLOW_COPY_AND_ASSIGN(InputScopeImpl);
70 };
71
72 } // namespace
73
74 base::win::ScopedComPtr<ITfInputScope>
75 CreteInputScope(const std::vector<InputScope>& input_scopes) {
76 ui::win::CreateATLModuleIfNeeded();
77 CComObject<InputScopeImpl>* object = NULL;
78 HRESULT hr = CComObject<InputScopeImpl>::CreateInstance(&object);
79 if (FAILED(hr)) {
80 LOG(ERROR) << "CComObject<InputScopeImpl>::CreateInstance failed. hr = "
81 << hr;
82 return base::win::ScopedComPtr<ITfInputScope>();
83 }
84 object->Initialize(input_scopes);
85 return base::win::ScopedComPtr<ITfInputScope>(object);
86 }
87
88 } // namespace metro_driver
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