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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 "chrome/browser/extensions/image_loading_tracker.h" | 5 #include "chrome/browser/extensions/image_loading_tracker.h" |
6 | 6 |
7 #include <string> | 7 #include <string> |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "base/bind.h" | 10 #include "base/bind.h" |
11 #include "base/file_util.h" | 11 #include "base/file_util.h" |
12 #include "chrome/browser/ui/webui/extensions/extension_icon_source.h" | 12 #include "chrome/browser/ui/webui/extensions/extension_icon_source.h" |
13 #include "chrome/common/chrome_notification_types.h" | 13 #include "chrome/common/chrome_notification_types.h" |
14 #include "chrome/common/extensions/extension.h" | 14 #include "chrome/common/extensions/extension.h" |
15 #include "chrome/common/extensions/extension_constants.h" | 15 #include "chrome/common/extensions/extension_constants.h" |
| 16 #include "chrome/common/extensions/extension_file_util.h" |
16 #include "chrome/common/extensions/extension_resource.h" | 17 #include "chrome/common/extensions/extension_resource.h" |
17 #include "content/public/browser/browser_thread.h" | 18 #include "content/public/browser/browser_thread.h" |
18 #include "content/public/browser/notification_service.h" | 19 #include "content/public/browser/notification_service.h" |
19 #include "grit/component_extension_resources_map.h" | 20 #include "grit/component_extension_resources_map.h" |
20 #include "grit/theme_resources.h" | 21 #include "grit/theme_resources.h" |
21 #include "skia/ext/image_operations.h" | 22 #include "skia/ext/image_operations.h" |
22 #include "third_party/skia/include/core/SkBitmap.h" | 23 #include "third_party/skia/include/core/SkBitmap.h" |
23 #include "ui/base/resource/resource_bundle.h" | 24 #include "ui/base/resource/resource_bundle.h" |
24 #include "ui/gfx/image/image.h" | 25 #include "ui/gfx/image/image.h" |
25 #include "ui/gfx/image/image_skia_rep.h" | 26 #include "ui/gfx/image/image_skia_rep.h" |
26 #include "webkit/glue/image_decoder.h" | 27 #include "webkit/glue/image_decoder.h" |
27 | 28 |
28 using content::BrowserThread; | 29 using content::BrowserThread; |
29 using extensions::Extension; | 30 using extensions::Extension; |
30 | 31 |
31 namespace { | 32 namespace { |
32 | 33 |
33 struct ComponentExtensionResource { | |
34 const char* extension_id; | |
35 const int resource_id; | |
36 }; | |
37 | |
38 const ComponentExtensionResource kSpecialComponentExtensionResources[] = { | |
39 { extension_misc::kWebStoreAppId, IDR_WEBSTORE_ICON }, | |
40 { extension_misc::kChromeAppId, IDR_PRODUCT_LOGO_128 }, | |
41 }; | |
42 | |
43 // Finds special component extension resource id for given extension id. | |
44 bool FindSpecialExtensionResourceId(const std::string& extension_id, | |
45 int* out_resource_id) { | |
46 for (size_t i = 0; i < arraysize(kSpecialComponentExtensionResources); ++i) { | |
47 if (extension_id == kSpecialComponentExtensionResources[i].extension_id) { | |
48 if (out_resource_id) | |
49 *out_resource_id = kSpecialComponentExtensionResources[i].resource_id; | |
50 return true; | |
51 } | |
52 } | |
53 | |
54 return false; | |
55 } | |
56 | |
57 bool ShouldResizeImageRepresentation( | 34 bool ShouldResizeImageRepresentation( |
58 ImageLoadingTracker::ImageRepresentation::ResizeCondition resize_method, | 35 ImageLoadingTracker::ImageRepresentation::ResizeCondition resize_method, |
59 const gfx::Size& decoded_size, | 36 const gfx::Size& decoded_size, |
60 const gfx::Size& desired_size) { | 37 const gfx::Size& desired_size) { |
61 switch (resize_method) { | 38 switch (resize_method) { |
62 case ImageLoadingTracker::ImageRepresentation::ALWAYS_RESIZE: | 39 case ImageLoadingTracker::ImageRepresentation::ALWAYS_RESIZE: |
63 return decoded_size != desired_size; | 40 return decoded_size != desired_size; |
64 case ImageLoadingTracker::ImageRepresentation::RESIZE_WHEN_LARGER: | 41 case ImageLoadingTracker::ImageRepresentation::RESIZE_WHEN_LARGER: |
65 return decoded_size.width() > desired_size.width() || | 42 return decoded_size.width() > desired_size.width() || |
66 decoded_size.height() > desired_size.height(); | 43 decoded_size.height() > desired_size.height(); |
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238 | 215 |
239 // The thread that we need to call back on to report that we are done. | 216 // The thread that we need to call back on to report that we are done. |
240 BrowserThread::ID callback_thread_id_; | 217 BrowserThread::ID callback_thread_id_; |
241 | 218 |
242 DISALLOW_COPY_AND_ASSIGN(ImageLoader); | 219 DISALLOW_COPY_AND_ASSIGN(ImageLoader); |
243 }; | 220 }; |
244 | 221 |
245 //////////////////////////////////////////////////////////////////////////////// | 222 //////////////////////////////////////////////////////////////////////////////// |
246 // ImageLoadingTracker | 223 // ImageLoadingTracker |
247 | 224 |
248 // static | |
249 bool ImageLoadingTracker::IsSpecialBundledExtensionId( | |
250 const std::string& extension_id) { | |
251 int resource_id = -1; | |
252 return FindSpecialExtensionResourceId(extension_id, &resource_id); | |
253 } | |
254 | |
255 ImageLoadingTracker::ImageLoadingTracker(Observer* observer) | 225 ImageLoadingTracker::ImageLoadingTracker(Observer* observer) |
256 : observer_(observer), | 226 : observer_(observer), |
257 next_id_(0) { | 227 next_id_(0) { |
258 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNLOADED, | 228 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNLOADED, |
259 content::NotificationService::AllSources()); | 229 content::NotificationService::AllSources()); |
260 } | 230 } |
261 | 231 |
262 ImageLoadingTracker::~ImageLoadingTracker() { | 232 ImageLoadingTracker::~ImageLoadingTracker() { |
263 // The loader is created lazily and is NULL if the tracker is destroyed before | 233 // The loader is created lazily and is NULL if the tracker is destroyed before |
264 // any valid image load tasks have been posted. | 234 // any valid image load tasks have been posted. |
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288 load_info.cache = cache; | 258 load_info.cache = cache; |
289 load_info.extension_id = extension->id(); | 259 load_info.extension_id = extension->id(); |
290 load_info.pending_count = info_list.size(); | 260 load_info.pending_count = info_list.size(); |
291 int id = next_id_++; | 261 int id = next_id_++; |
292 load_map_[id] = load_info; | 262 load_map_[id] = load_info; |
293 | 263 |
294 for (std::vector<ImageRepresentation>::const_iterator it = info_list.begin(); | 264 for (std::vector<ImageRepresentation>::const_iterator it = info_list.begin(); |
295 it != info_list.end(); ++it) { | 265 it != info_list.end(); ++it) { |
296 int resource_id = -1; | 266 int resource_id = -1; |
297 | 267 |
298 // Load resources for special component extensions. | |
299 if (FindSpecialExtensionResourceId(load_info.extension_id, &resource_id)) { | |
300 if (!loader_) | |
301 loader_ = new ImageLoader(this); | |
302 loader_->LoadResource(*it, id, resource_id); | |
303 continue; | |
304 } | |
305 | |
306 // If we don't have a path we don't need to do any further work, just | 268 // If we don't have a path we don't need to do any further work, just |
307 // respond back. | 269 // respond back. |
308 if (it->resource.relative_path().empty()) { | 270 if (it->resource.relative_path().empty()) { |
309 OnBitmapLoaded(NULL, *it, it->desired_size, id, false); | 271 OnBitmapLoaded(NULL, *it, it->desired_size, id, false); |
310 continue; | 272 continue; |
311 } | 273 } |
312 | 274 |
313 DCHECK(extension->path() == it->resource.extension_root()); | 275 DCHECK(extension->path() == it->resource.extension_root()); |
314 | 276 |
315 // See if the extension has the bitmap already. | 277 // See if the extension has the bitmap already. |
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329 loader_->LoadResource(*it, id, resource_id); | 291 loader_->LoadResource(*it, id, resource_id); |
330 else | 292 else |
331 loader_->LoadImage(*it, id); | 293 loader_->LoadImage(*it, id); |
332 } | 294 } |
333 } | 295 } |
334 | 296 |
335 bool ImageLoadingTracker::IsComponentExtensionResource( | 297 bool ImageLoadingTracker::IsComponentExtensionResource( |
336 const Extension* extension, | 298 const Extension* extension, |
337 const ExtensionResource& resource, | 299 const ExtensionResource& resource, |
338 int& resource_id) const { | 300 int& resource_id) const { |
339 if (extension->location() != Extension::COMPONENT) | 301 return extension_file_util::IsComponentExtensionResource(extension, |
340 return false; | 302 resource.relative_path(), resource_id); |
341 | |
342 FilePath directory_path = extension->path(); | |
343 FilePath relative_path = directory_path.BaseName().Append( | |
344 resource.relative_path()); | |
345 | |
346 for (size_t i = 0; i < kComponentExtensionResourcesSize; ++i) { | |
347 FilePath resource_path = | |
348 FilePath().AppendASCII(kComponentExtensionResources[i].name); | |
349 resource_path = resource_path.NormalizePathSeparators(); | |
350 | |
351 if (relative_path == resource_path) { | |
352 resource_id = kComponentExtensionResources[i].value; | |
353 return true; | |
354 } | |
355 } | |
356 return false; | |
357 } | 303 } |
358 | 304 |
359 void ImageLoadingTracker::OnBitmapLoaded( | 305 void ImageLoadingTracker::OnBitmapLoaded( |
360 const SkBitmap* bitmap, | 306 const SkBitmap* bitmap, |
361 const ImageRepresentation& image_info, | 307 const ImageRepresentation& image_info, |
362 const gfx::Size& original_size, | 308 const gfx::Size& original_size, |
363 int id, | 309 int id, |
364 bool should_cache) { | 310 bool should_cache) { |
365 LoadMap::iterator load_map_it = load_map_.find(id); | 311 LoadMap::iterator load_map_it = load_map_.find(id); |
366 DCHECK(load_map_it != load_map_.end()); | 312 DCHECK(load_map_it != load_map_.end()); |
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412 // Remove reference to this extension from all pending load entries. This | 358 // Remove reference to this extension from all pending load entries. This |
413 // ensures we don't attempt to cache the bitmap when the load completes. | 359 // ensures we don't attempt to cache the bitmap when the load completes. |
414 for (LoadMap::iterator i = load_map_.begin(); i != load_map_.end(); ++i) { | 360 for (LoadMap::iterator i = load_map_.begin(); i != load_map_.end(); ++i) { |
415 PendingLoadInfo* info = &i->second; | 361 PendingLoadInfo* info = &i->second; |
416 if (info->extension == extension) { | 362 if (info->extension == extension) { |
417 info->extension = NULL; | 363 info->extension = NULL; |
418 info->cache = DONT_CACHE; | 364 info->cache = DONT_CACHE; |
419 } | 365 } |
420 } | 366 } |
421 } | 367 } |
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