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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 "ui/base/accelerators/accelerator_manager.h" | 5 #include "ui/base/accelerators/accelerator_manager.h" |
| 6 | 6 |
| 7 #include <algorithm> | 7 #include <algorithm> |
| 8 | 8 |
| 9 #include "base/logging.h" | 9 #include "base/logging.h" |
| 10 | 10 |
| 11 namespace ui { | 11 namespace ui { |
| 12 | 12 |
| 13 AcceleratorManager::AcceleratorManager() : last_event_type_(ET_KEY_PRESSED) { | 13 AcceleratorManager::AcceleratorManager() { |
| 14 } | 14 } |
| 15 | 15 |
| 16 AcceleratorManager::~AcceleratorManager() { | 16 AcceleratorManager::~AcceleratorManager() { |
| 17 } | 17 } |
| 18 | 18 |
| 19 void AcceleratorManager::Register(const Accelerator& accelerator, | 19 void AcceleratorManager::Register(const Accelerator& accelerator, |
| 20 HandlerPriority priority, | 20 HandlerPriority priority, |
| 21 AcceleratorTarget* target) { | 21 AcceleratorTarget* target) { |
| 22 AcceleratorTargetList& targets = accelerators_[accelerator].second; | 22 AcceleratorTargetList& targets = accelerators_[accelerator].second; |
| 23 DCHECK(std::find(targets.begin(), targets.end(), target) == targets.end()) | 23 DCHECK(std::find(targets.begin(), targets.end(), target) == targets.end()) |
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| 84 AcceleratorTargetList targets(map_iter->second.second); | 84 AcceleratorTargetList targets(map_iter->second.second); |
| 85 for (AcceleratorTargetList::iterator iter = targets.begin(); | 85 for (AcceleratorTargetList::iterator iter = targets.begin(); |
| 86 iter != targets.end(); ++iter) { | 86 iter != targets.end(); ++iter) { |
| 87 if ((*iter)->CanHandleAccelerators() && | 87 if ((*iter)->CanHandleAccelerators() && |
| 88 (*iter)->AcceleratorPressed(accelerator)) { | 88 (*iter)->AcceleratorPressed(accelerator)) { |
| 89 result = true; | 89 result = true; |
| 90 break; | 90 break; |
| 91 } | 91 } |
| 92 } | 92 } |
| 93 } | 93 } |
| 94 last_event_type_ = accelerator.type(); | 94 set_last_event(accelerator); |
| 95 return result; | 95 return result; |
| 96 } | 96 } |
| 97 | 97 |
| 98 AcceleratorTarget* AcceleratorManager::GetCurrentTarget( | 98 AcceleratorTarget* AcceleratorManager::GetCurrentTarget( |
| 99 const Accelerator& accelerator) const { | 99 const Accelerator& accelerator) const { |
| 100 AcceleratorMap::const_iterator map_iter = accelerators_.find(accelerator); | 100 AcceleratorMap::const_iterator map_iter = accelerators_.find(accelerator); |
| 101 if (map_iter == accelerators_.end() || map_iter->second.second.empty()) | 101 if (map_iter == accelerators_.end() || map_iter->second.second.empty()) |
| 102 return NULL; | 102 return NULL; |
| 103 return map_iter->second.second.front(); | 103 return map_iter->second.second.front(); |
| 104 } | 104 } |
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| 118 return map_iter->second.second.front()->CanHandleAccelerators(); | 118 return map_iter->second.second.front()->CanHandleAccelerators(); |
| 119 } | 119 } |
| 120 | 120 |
| 121 bool AcceleratorManager::ShouldHandle(const Accelerator& accelerator) const { | 121 bool AcceleratorManager::ShouldHandle(const Accelerator& accelerator) const { |
| 122 if (accelerator.type() != ET_KEY_RELEASED) | 122 if (accelerator.type() != ET_KEY_RELEASED) |
| 123 return true; | 123 return true; |
| 124 | 124 |
| 125 // This check is necessary e.g. not to process the Shift+Alt+ET_KEY_RELEASED | 125 // This check is necessary e.g. not to process the Shift+Alt+ET_KEY_RELEASED |
| 126 // Accelerator for Chrome OS (see ash/accelerators/accelerator_controller.cc) | 126 // Accelerator for Chrome OS (see ash/accelerators/accelerator_controller.cc) |
| 127 // when Shift+Alt+Tab is pressed and then Tab is released. | 127 // when Shift+Alt+Tab is pressed and then Tab is released. |
| 128 return last_event_type_ == ET_KEY_PRESSED; | 128 return last_event_.type() == ET_KEY_PRESSED; |
| 129 } | 129 } |
| 130 | 130 |
| 131 } // namespace ui | 131 } // namespace ui |
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