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Side by Side Diff: content/browser/trace_controller.h

Issue 7800015: prune down content_dll change to just the CONTENT_EXPORTS (Closed)
Patch Set: update copyright headers, merge Created 9 years, 3 months ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2011 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 #ifndef CONTENT_BROWSER_TRACE_CONTROLLER_H_ 5 #ifndef CONTENT_BROWSER_TRACE_CONTROLLER_H_
6 #define CONTENT_BROWSER_TRACE_CONTROLLER_H_ 6 #define CONTENT_BROWSER_TRACE_CONTROLLER_H_
7 7
8 #include <set> 8 #include <set>
9 #include <string> 9 #include <string>
10 #include <vector> 10 #include <vector>
11 11
12 #include "base/debug/trace_event.h" 12 #include "base/debug/trace_event.h"
13 #include "base/memory/ref_counted.h" 13 #include "base/memory/ref_counted.h"
14 #include "base/memory/singleton.h" 14 #include "base/memory/singleton.h"
15 #include "base/task.h" 15 #include "base/task.h"
16 #include "content/common/content_export.h"
16 17
17 class TraceMessageFilter; 18 class TraceMessageFilter;
18 19
19 // Objects interested in receiving trace data derive from TraceSubscriber. 20 // Objects interested in receiving trace data derive from TraceSubscriber.
20 // See also: trace_message_filter.h 21 // See also: trace_message_filter.h
21 // See also: child_trace_message_filter.h 22 // See also: child_trace_message_filter.h
22 class TraceSubscriber { 23 class TraceSubscriber {
23 public: 24 public:
24 // Called once after TraceController::EndTracingAsync. 25 // Called once after TraceController::EndTracingAsync.
25 virtual void OnEndTracingComplete() = 0; 26 virtual void OnEndTracingComplete() = 0;
26 // Called 0 or more times between TraceController::BeginTracing and 27 // Called 0 or more times between TraceController::BeginTracing and
27 // OnEndTracingComplete. 28 // OnEndTracingComplete.
28 virtual void OnTraceDataCollected(const std::string& json_events) = 0; 29 virtual void OnTraceDataCollected(const std::string& json_events) = 0;
29 // Called once after TraceController::GetKnownCategoriesAsync. 30 // Called once after TraceController::GetKnownCategoriesAsync.
30 virtual void OnKnownCategoriesCollected( 31 virtual void OnKnownCategoriesCollected(
31 const std::set<std::string>& known_categories) {} 32 const std::set<std::string>& known_categories) {}
32 virtual void OnTraceBufferPercentFullReply(float percent_full) {} 33 virtual void OnTraceBufferPercentFullReply(float percent_full) {}
33 }; 34 };
34 35
35 // TraceController is used on the browser processes to enable/disable 36 // TraceController is used on the browser processes to enable/disable
36 // trace status and collect trace data. Only the browser UI thread is allowed 37 // trace status and collect trace data. Only the browser UI thread is allowed
37 // to interact with the TraceController object. All calls on the TraceSubscriber 38 // to interact with the TraceController object. All calls on the TraceSubscriber
38 // happen on the UI thread. 39 // happen on the UI thread.
39 class TraceController { 40 class CONTENT_EXPORT TraceController {
40 public: 41 public:
41 static TraceController* GetInstance(); 42 static TraceController* GetInstance();
42 43
43 // Get set of known categories. This can change as new code paths are reached. 44 // Get set of known categories. This can change as new code paths are reached.
44 // If true is returned, subscriber->OnKnownCategoriesCollected will be called 45 // If true is returned, subscriber->OnKnownCategoriesCollected will be called
45 // when once the categories are retrieved from child processes. 46 // when once the categories are retrieved from child processes.
46 bool GetKnownCategoriesAsync(TraceSubscriber* subscriber); 47 bool GetKnownCategoriesAsync(TraceSubscriber* subscriber);
47 48
48 // Called by browser process to start tracing events on all processes. 49 // Called by browser process to start tracing events on all processes.
49 // 50 //
(...skipping 102 matching lines...) Expand 10 before | Expand all | Expand 10 after
152 std::vector<std::string> included_categories_; 153 std::vector<std::string> included_categories_;
153 std::vector<std::string> excluded_categories_; 154 std::vector<std::string> excluded_categories_;
154 155
155 DISALLOW_COPY_AND_ASSIGN(TraceController); 156 DISALLOW_COPY_AND_ASSIGN(TraceController);
156 }; 157 };
157 158
158 DISABLE_RUNNABLE_METHOD_REFCOUNT(TraceController); 159 DISABLE_RUNNABLE_METHOD_REFCOUNT(TraceController);
159 160
160 #endif // CONTENT_BROWSER_TRACE_CONTROLLER_H_ 161 #endif // CONTENT_BROWSER_TRACE_CONTROLLER_H_
161 162
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