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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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/events/event_rewriter.h" | 5 #include "ui/events/event_rewriter.h" |
| 6 | 6 |
| 7 #include <list> | 7 #include <list> |
| 8 #include <map> | 8 #include <map> |
| 9 #include <set> | 9 #include <set> |
| 10 #include <utility> | 10 #include <utility> |
| (...skipping 27 matching lines...) Expand all Loading... |
| 38 class TestEventRewriteProcessor : public test::TestEventProcessor { | 38 class TestEventRewriteProcessor : public test::TestEventProcessor { |
| 39 public: | 39 public: |
| 40 TestEventRewriteProcessor() {} | 40 TestEventRewriteProcessor() {} |
| 41 virtual ~TestEventRewriteProcessor() { CheckAllReceived(); } | 41 virtual ~TestEventRewriteProcessor() { CheckAllReceived(); } |
| 42 | 42 |
| 43 void AddExpectedEvent(EventType type) { expected_events_.push_back(type); } | 43 void AddExpectedEvent(EventType type) { expected_events_.push_back(type); } |
| 44 // Test that all expected events have been received. | 44 // Test that all expected events have been received. |
| 45 void CheckAllReceived() { EXPECT_TRUE(expected_events_.empty()); } | 45 void CheckAllReceived() { EXPECT_TRUE(expected_events_.empty()); } |
| 46 | 46 |
| 47 // EventProcessor: | 47 // EventProcessor: |
| 48 virtual EventDispatchDetails OnEventFromSource(Event* event) OVERRIDE { | 48 virtual EventDispatchDetails OnEventFromSource(Event* event) override { |
| 49 EXPECT_FALSE(expected_events_.empty()); | 49 EXPECT_FALSE(expected_events_.empty()); |
| 50 EXPECT_EQ(expected_events_.front(), event->type()); | 50 EXPECT_EQ(expected_events_.front(), event->type()); |
| 51 expected_events_.pop_front(); | 51 expected_events_.pop_front(); |
| 52 return EventDispatchDetails(); | 52 return EventDispatchDetails(); |
| 53 } | 53 } |
| 54 | 54 |
| 55 private: | 55 private: |
| 56 std::list<EventType> expected_events_; | 56 std::list<EventType> expected_events_; |
| 57 DISALLOW_COPY_AND_ASSIGN(TestEventRewriteProcessor); | 57 DISALLOW_COPY_AND_ASSIGN(TestEventRewriteProcessor); |
| 58 }; | 58 }; |
| 59 | 59 |
| 60 // Trivial EventSource that does nothing but send events. | 60 // Trivial EventSource that does nothing but send events. |
| 61 class TestEventRewriteSource : public EventSource { | 61 class TestEventRewriteSource : public EventSource { |
| 62 public: | 62 public: |
| 63 explicit TestEventRewriteSource(EventProcessor* processor) | 63 explicit TestEventRewriteSource(EventProcessor* processor) |
| 64 : processor_(processor) {} | 64 : processor_(processor) {} |
| 65 virtual EventProcessor* GetEventProcessor() OVERRIDE { return processor_; } | 65 virtual EventProcessor* GetEventProcessor() override { return processor_; } |
| 66 void Send(EventType type) { | 66 void Send(EventType type) { |
| 67 scoped_ptr<Event> event(new TestEvent(type)); | 67 scoped_ptr<Event> event(new TestEvent(type)); |
| 68 (void)SendEventToProcessor(event.get()); | 68 (void)SendEventToProcessor(event.get()); |
| 69 } | 69 } |
| 70 | 70 |
| 71 private: | 71 private: |
| 72 EventProcessor* processor_; | 72 EventProcessor* processor_; |
| 73 }; | 73 }; |
| 74 | 74 |
| 75 // This EventRewriter always returns the same status, and if rewriting, the | 75 // This EventRewriter always returns the same status, and if rewriting, the |
| 76 // same event type; it is used to test simple rewriting, and rewriter addition, | 76 // same event type; it is used to test simple rewriting, and rewriter addition, |
| 77 // removal, and sequencing. Consequently EVENT_REWRITE_DISPATCH_ANOTHER is not | 77 // removal, and sequencing. Consequently EVENT_REWRITE_DISPATCH_ANOTHER is not |
| 78 // supported here (calls to NextDispatchEvent() would continue indefinitely). | 78 // supported here (calls to NextDispatchEvent() would continue indefinitely). |
| 79 class TestConstantEventRewriter : public EventRewriter { | 79 class TestConstantEventRewriter : public EventRewriter { |
| 80 public: | 80 public: |
| 81 TestConstantEventRewriter(EventRewriteStatus status, EventType type) | 81 TestConstantEventRewriter(EventRewriteStatus status, EventType type) |
| 82 : status_(status), type_(type) { | 82 : status_(status), type_(type) { |
| 83 CHECK_NE(EVENT_REWRITE_DISPATCH_ANOTHER, status); | 83 CHECK_NE(EVENT_REWRITE_DISPATCH_ANOTHER, status); |
| 84 } | 84 } |
| 85 | 85 |
| 86 virtual EventRewriteStatus RewriteEvent(const Event& event, | 86 virtual EventRewriteStatus RewriteEvent(const Event& event, |
| 87 scoped_ptr<Event>* rewritten_event) | 87 scoped_ptr<Event>* rewritten_event) |
| 88 OVERRIDE { | 88 override { |
| 89 if (status_ == EVENT_REWRITE_REWRITTEN) | 89 if (status_ == EVENT_REWRITE_REWRITTEN) |
| 90 rewritten_event->reset(new TestEvent(type_)); | 90 rewritten_event->reset(new TestEvent(type_)); |
| 91 return status_; | 91 return status_; |
| 92 } | 92 } |
| 93 virtual EventRewriteStatus NextDispatchEvent(const Event& last_event, | 93 virtual EventRewriteStatus NextDispatchEvent(const Event& last_event, |
| 94 scoped_ptr<Event>* new_event) | 94 scoped_ptr<Event>* new_event) |
| 95 OVERRIDE { | 95 override { |
| 96 NOTREACHED(); | 96 NOTREACHED(); |
| 97 return status_; | 97 return status_; |
| 98 } | 98 } |
| 99 | 99 |
| 100 private: | 100 private: |
| 101 EventRewriteStatus status_; | 101 EventRewriteStatus status_; |
| 102 EventType type_; | 102 EventType type_; |
| 103 }; | 103 }; |
| 104 | 104 |
| 105 // This EventRewriter runs a simple state machine; it is used to test | 105 // This EventRewriter runs a simple state machine; it is used to test |
| 106 // EVENT_REWRITE_DISPATCH_ANOTHER. | 106 // EVENT_REWRITE_DISPATCH_ANOTHER. |
| 107 class TestStateMachineEventRewriter : public EventRewriter { | 107 class TestStateMachineEventRewriter : public EventRewriter { |
| 108 public: | 108 public: |
| 109 TestStateMachineEventRewriter() : last_rewritten_event_(0), state_(0) {} | 109 TestStateMachineEventRewriter() : last_rewritten_event_(0), state_(0) {} |
| 110 void AddRule(int from_state, EventType from_type, | 110 void AddRule(int from_state, EventType from_type, |
| 111 int to_state, EventType to_type, EventRewriteStatus to_status) { | 111 int to_state, EventType to_type, EventRewriteStatus to_status) { |
| 112 RewriteResult r = {to_state, to_type, to_status}; | 112 RewriteResult r = {to_state, to_type, to_status}; |
| 113 rules_.insert(std::pair<RewriteCase, RewriteResult>( | 113 rules_.insert(std::pair<RewriteCase, RewriteResult>( |
| 114 RewriteCase(from_state, from_type), r)); | 114 RewriteCase(from_state, from_type), r)); |
| 115 } | 115 } |
| 116 virtual EventRewriteStatus RewriteEvent(const Event& event, | 116 virtual EventRewriteStatus RewriteEvent(const Event& event, |
| 117 scoped_ptr<Event>* rewritten_event) | 117 scoped_ptr<Event>* rewritten_event) |
| 118 OVERRIDE { | 118 override { |
| 119 RewriteRules::iterator find = | 119 RewriteRules::iterator find = |
| 120 rules_.find(RewriteCase(state_, event.type())); | 120 rules_.find(RewriteCase(state_, event.type())); |
| 121 if (find == rules_.end()) | 121 if (find == rules_.end()) |
| 122 return EVENT_REWRITE_CONTINUE; | 122 return EVENT_REWRITE_CONTINUE; |
| 123 if ((find->second.status == EVENT_REWRITE_REWRITTEN) || | 123 if ((find->second.status == EVENT_REWRITE_REWRITTEN) || |
| 124 (find->second.status == EVENT_REWRITE_DISPATCH_ANOTHER)) { | 124 (find->second.status == EVENT_REWRITE_DISPATCH_ANOTHER)) { |
| 125 last_rewritten_event_ = new TestEvent(find->second.type); | 125 last_rewritten_event_ = new TestEvent(find->second.type); |
| 126 rewritten_event->reset(last_rewritten_event_); | 126 rewritten_event->reset(last_rewritten_event_); |
| 127 } else { | 127 } else { |
| 128 last_rewritten_event_ = 0; | 128 last_rewritten_event_ = 0; |
| 129 } | 129 } |
| 130 state_ = find->second.state; | 130 state_ = find->second.state; |
| 131 return find->second.status; | 131 return find->second.status; |
| 132 } | 132 } |
| 133 virtual EventRewriteStatus NextDispatchEvent(const Event& last_event, | 133 virtual EventRewriteStatus NextDispatchEvent(const Event& last_event, |
| 134 scoped_ptr<Event>* new_event) | 134 scoped_ptr<Event>* new_event) |
| 135 OVERRIDE { | 135 override { |
| 136 EXPECT_TRUE(last_rewritten_event_); | 136 EXPECT_TRUE(last_rewritten_event_); |
| 137 const TestEvent* arg_last = static_cast<const TestEvent*>(&last_event); | 137 const TestEvent* arg_last = static_cast<const TestEvent*>(&last_event); |
| 138 EXPECT_EQ(last_rewritten_event_->unique_id(), arg_last->unique_id()); | 138 EXPECT_EQ(last_rewritten_event_->unique_id(), arg_last->unique_id()); |
| 139 const TestEvent* arg_new = static_cast<const TestEvent*>(new_event->get()); | 139 const TestEvent* arg_new = static_cast<const TestEvent*>(new_event->get()); |
| 140 EXPECT_FALSE(arg_new && arg_last->unique_id() == arg_new->unique_id()); | 140 EXPECT_FALSE(arg_new && arg_last->unique_id() == arg_new->unique_id()); |
| 141 return RewriteEvent(last_event, new_event); | 141 return RewriteEvent(last_event, new_event); |
| 142 } | 142 } |
| 143 | 143 |
| 144 private: | 144 private: |
| 145 typedef std::pair<int, EventType> RewriteCase; | 145 typedef std::pair<int, EventType> RewriteCase; |
| (...skipping 76 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 222 s.RemoveEventRewriter(&r3); | 222 s.RemoveEventRewriter(&r3); |
| 223 | 223 |
| 224 // Continue with the state-based rewriting. | 224 // Continue with the state-based rewriting. |
| 225 p.AddExpectedEvent(ET_MOUSE_RELEASED); | 225 p.AddExpectedEvent(ET_MOUSE_RELEASED); |
| 226 p.AddExpectedEvent(ET_KEY_RELEASED); | 226 p.AddExpectedEvent(ET_KEY_RELEASED); |
| 227 s.Send(ET_MOUSE_RELEASED); | 227 s.Send(ET_MOUSE_RELEASED); |
| 228 p.CheckAllReceived(); | 228 p.CheckAllReceived(); |
| 229 } | 229 } |
| 230 | 230 |
| 231 } // namespace ui | 231 } // namespace ui |
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