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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "content/child/npapi/webplugin_ime_win.h" | 5 #include "content/child/npapi/webplugin_ime_win.h" |
| 6 | 6 |
| 7 #include <cstring> | 7 #include <cstring> |
| 8 #include <string> | 8 #include <string> |
| 9 #include <vector> | 9 #include <vector> |
| 10 | 10 |
| 11 #include "base/lazy_instance.h" | 11 #include "base/lazy_instance.h" |
| 12 #include "base/logging.h" | 12 #include "base/logging.h" |
| 13 #include "base/strings/utf_string_conversions.h" | 13 #include "base/strings/utf_string_conversions.h" |
| 14 #include "base/synchronization/lock.h" | 14 #include "base/synchronization/lock.h" |
| 15 #include "content/child/npapi/plugin_instance.h" | 15 #include "content/child/npapi/plugin_instance.h" |
| 16 #include "content/common/plugin_constants_win.h" | 16 #include "content/common/plugin_constants_win.h" |
| 17 #include "webkit/plugins/npapi/plugin_utils.h" | |
| 18 | 17 |
| 19 #pragma comment(lib, "imm32.lib") | 18 #pragma comment(lib, "imm32.lib") |
| 20 | 19 |
| 21 namespace content { | 20 namespace content { |
| 22 | 21 |
| 23 // A critical section that prevents two or more plug-ins from accessing a | 22 // A critical section that prevents two or more plug-ins from accessing a |
| 24 // WebPluginIMEWin instance through our patch function. | 23 // WebPluginIMEWin instance through our patch function. |
| 25 base::LazyInstance<base::Lock>::Leaky | 24 base::LazyInstance<base::Lock>::Leaky |
| 26 g_webplugin_ime_lock = LAZY_INSTANCE_INITIALIZER; | 25 g_webplugin_ime_lock = LAZY_INSTANCE_INITIALIZER; |
| 27 | 26 |
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| 266 HIMC WINAPI WebPluginIMEWin::ImmGetContext(HWND window) { | 265 HIMC WINAPI WebPluginIMEWin::ImmGetContext(HWND window) { |
| 267 // Call the original ImmGetContext() function if the given window is the one | 266 // Call the original ImmGetContext() function if the given window is the one |
| 268 // created in WebPluginDelegateImpl::WindowedCreatePlugin(). (We attached IME | 267 // created in WebPluginDelegateImpl::WindowedCreatePlugin(). (We attached IME |
| 269 // context only with the windows created in this function.) On the other hand, | 268 // context only with the windows created in this function.) On the other hand, |
| 270 // some windowless plug-ins (such as Flash) call this function with a dummy | 269 // some windowless plug-ins (such as Flash) call this function with a dummy |
| 271 // window handle. We return our dummy IME context for these plug-ins so they | 270 // window handle. We return our dummy IME context for these plug-ins so they |
| 272 // can use our IME emulator. | 271 // can use our IME emulator. |
| 273 if (IsWindow(window)) { | 272 if (IsWindow(window)) { |
| 274 wchar_t name[128]; | 273 wchar_t name[128]; |
| 275 GetClassName(window, &name[0], arraysize(name)); | 274 GetClassName(window, &name[0], arraysize(name)); |
| 276 if (!wcscmp(&name[0], webkit::npapi::kNativeWindowClassName)) | 275 if (!wcscmp(&name[0], kNativeWindowClassName)) |
| 277 return ::ImmGetContext(window); | 276 return ::ImmGetContext(window); |
| 278 } | 277 } |
| 279 | 278 |
| 280 WebPluginIMEWin* instance = instance_; | 279 WebPluginIMEWin* instance = instance_; |
| 281 if (instance) | 280 if (instance) |
| 282 instance->support_ime_messages_ = true; | 281 instance->support_ime_messages_ = true; |
| 283 return reinterpret_cast<HIMC>(instance); | 282 return reinterpret_cast<HIMC>(instance); |
| 284 } | 283 } |
| 285 | 284 |
| 286 // static | 285 // static |
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| 315 int input_type = open ? 1 : 0; | 314 int input_type = open ? 1 : 0; |
| 316 if (instance->input_type_ != input_type) { | 315 if (instance->input_type_ != input_type) { |
| 317 instance->input_type_ = input_type; | 316 instance->input_type_ = input_type; |
| 318 instance->status_updated_ = true; | 317 instance->status_updated_ = true; |
| 319 } | 318 } |
| 320 | 319 |
| 321 return TRUE; | 320 return TRUE; |
| 322 } | 321 } |
| 323 | 322 |
| 324 } // namespace content | 323 } // namespace content |
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