15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/win/text_services_message_filter.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace base { 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace win { 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TextServicesMessageFilter::TextServicesMessageFilter() 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : client_id_(TF_CLIENTID_NULL), 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) is_initialized_(false) { 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TextServicesMessageFilter::~TextServicesMessageFilter() { 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (is_initialized_) 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) thread_mgr_->Deactivate(); 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool TextServicesMessageFilter::Init() { 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (FAILED(thread_mgr_.CreateInstance(CLSID_TF_ThreadMgr))) 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (FAILED(message_pump_.QueryFrom(thread_mgr_))) 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (FAILED(keystroke_mgr_.QueryFrom(thread_mgr_))) 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (FAILED(thread_mgr_->Activate(&client_id_))) 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) is_initialized_ = true; 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return is_initialized_; 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Wraps for ITfMessagePump::PeekMessage with win32 PeekMessage signature. 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Obtains messages from application message queue. 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)BOOL TextServicesMessageFilter::DoPeekMessage(MSG* msg, 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HWND window_handle, 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UINT msg_filter_min, 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UINT msg_filter_max, 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UINT remove_msg) { 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BOOL result = FALSE; 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (FAILED(message_pump_->PeekMessage(msg, window_handle, 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) msg_filter_min, msg_filter_max, 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) remove_msg, &result))) { 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) result = FALSE; 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return result; 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Sends message to Text Service Manager. 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// The message will be used to input composition text. 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Returns true if |message| was consumed by text service manager. 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool TextServicesMessageFilter::ProcessMessage(const MSG& msg) { 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (msg.message == WM_KEYDOWN) { 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BOOL eaten = FALSE; 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HRESULT hr = keystroke_mgr_->TestKeyDown(msg.wParam, msg.lParam, &eaten); 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (FAILED(hr) && !eaten) 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) eaten = FALSE; 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) hr = keystroke_mgr_->KeyDown(msg.wParam, msg.lParam, &eaten); 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return (SUCCEEDED(hr) && !!eaten); 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (msg.message == WM_KEYUP) { 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BOOL eaten = FALSE; 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HRESULT hr = keystroke_mgr_->TestKeyUp(msg.wParam, msg.lParam, &eaten); 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (FAILED(hr) && !eaten) 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) eaten = FALSE; 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) hr = keystroke_mgr_->KeyUp(msg.wParam, msg.lParam, &eaten); 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return (SUCCEEDED(hr) && !!eaten); 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace win 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace base 83