OLD | NEW |
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 #ifndef CHROME_BROWSER_IMAGE_DECODER_H_ | 5 #ifndef CHROME_BROWSER_IMAGE_DECODER_H_ |
6 #define CHROME_BROWSER_IMAGE_DECODER_H_ | 6 #define CHROME_BROWSER_IMAGE_DECODER_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <string> | 9 #include <string> |
10 #include <vector> | 10 #include <vector> |
11 | 11 |
12 #include "base/compiler_specific.h" | 12 #include "base/compiler_specific.h" |
13 #include "base/lazy_instance.h" | 13 #include "base/lazy_instance.h" |
14 #include "base/memory/ref_counted.h" | 14 #include "base/memory/ref_counted.h" |
15 #include "base/synchronization/lock.h" | 15 #include "base/synchronization/lock.h" |
16 #include "base/threading/sequenced_worker_pool.h" | 16 #include "base/threading/sequenced_worker_pool.h" |
17 #include "base/timer/timer.h" | 17 #include "base/timer/timer.h" |
18 #include "content/public/browser/utility_process_host.h" | 18 #include "content/public/browser/utility_process_host.h" |
19 #include "content/public/browser/utility_process_host_client.h" | 19 #include "content/public/browser/utility_process_host_client.h" |
| 20 #include "services/image_decoder/public/interfaces/image_decoder.mojom.h" |
20 | 21 |
21 class SkBitmap; | 22 class SkBitmap; |
22 | 23 |
23 // This is a helper class for decoding images safely in a utility process. To | 24 // This is a helper class for decoding images safely in a utility process. To |
24 // use this, call ImageDecoder::Start(...) or | 25 // use this, call ImageDecoder::Start(...) or |
25 // ImageDecoder::StartWithOptions(...) on any thread. | 26 // ImageDecoder::StartWithOptions(...) on any thread. |
26 // | 27 // |
27 // Internally, most of the work happens on the IO thread, and then | 28 // Internally, most of the work happens on the IO thread, and then |
28 // the callback (ImageRequest::OnImageDecoded or | 29 // the callback (ImageRequest::OnImageDecoded or |
29 // ImageRequest::OnDecodeImageFailed) is posted back to the |task_runner_| | 30 // ImageRequest::OnDecodeImageFailed) is posted back to the |task_runner_| |
(...skipping 88 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
118 | 119 |
119 // Overidden from UtilityProcessHostClient. | 120 // Overidden from UtilityProcessHostClient. |
120 void OnProcessCrashed(int exit_code) override; | 121 void OnProcessCrashed(int exit_code) override; |
121 void OnProcessLaunchFailed() override; | 122 void OnProcessLaunchFailed() override; |
122 bool OnMessageReceived(const IPC::Message& message) override; | 123 bool OnMessageReceived(const IPC::Message& message) override; |
123 | 124 |
124 // IPC message handlers. | 125 // IPC message handlers. |
125 void OnDecodeImageSucceeded(const SkBitmap& decoded_image, int request_id); | 126 void OnDecodeImageSucceeded(const SkBitmap& decoded_image, int request_id); |
126 void OnDecodeImageFailed(int request_id); | 127 void OnDecodeImageFailed(int request_id); |
127 | 128 |
| 129 // Mojo IPC callback. |
| 130 void OnDecodeImageDone(int request_id, skia::BitmapPtr image); |
| 131 |
128 // Removes the job from the map of requests. | 132 // Removes the job from the map of requests. |
129 void RemoveJob(const scoped_refptr<Job>& job); | 133 void RemoveJob(const scoped_refptr<Job>& job); |
130 | 134 |
131 // id to use for the next Start request that comes in. | 135 // id to use for the next Start request that comes in. |
132 int image_request_id_counter_; | 136 int image_request_id_counter_; |
133 | 137 |
134 // Map of request id's to ImageRequests. | 138 // Map of request id's to ImageRequests. |
135 RequestMap image_request_id_map_; | 139 RequestMap image_request_id_map_; |
136 | 140 |
137 // Protects |image_request_id_map_| and |image_request_id_counter_|. | 141 // Protects |image_request_id_map_| and |image_request_id_counter_|. |
138 base::Lock map_lock_; | 142 base::Lock map_lock_; |
139 | 143 |
140 // The UtilityProcessHost requests are sent to. | 144 // The UtilityProcessHost requests are sent to. |
141 base::WeakPtr<content::UtilityProcessHost> utility_process_host_; | 145 base::WeakPtr<content::UtilityProcessHost> utility_process_host_; |
142 | 146 |
143 // Calls StopBatchMode after kBatchModeTimeoutSeconds have elapsed. | 147 // Calls StopBatchMode after kBatchModeTimeoutSeconds have elapsed. |
144 base::RepeatingTimer<ImageDecoder> batch_mode_timer_; | 148 base::RepeatingTimer<ImageDecoder> batch_mode_timer_; |
145 | 149 |
146 // The time Start was last called. | 150 // The time Start was last called. |
147 base::TimeTicks last_request_; | 151 base::TimeTicks last_request_; |
148 | 152 |
| 153 // Mojo service connection. Must always be bound/reset and used on the IO |
| 154 // thread. |
| 155 services::ImageDecoderPtr decoder_; |
| 156 |
149 DISALLOW_COPY_AND_ASSIGN(ImageDecoder); | 157 DISALLOW_COPY_AND_ASSIGN(ImageDecoder); |
150 }; | 158 }; |
151 | 159 |
152 #endif // CHROME_BROWSER_IMAGE_DECODER_H_ | 160 #endif // CHROME_BROWSER_IMAGE_DECODER_H_ |
OLD | NEW |