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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "app/resource_bundle.h" | |
6 | |
7 #include "app/data_pack.h" | |
8 #include "base/lock.h" | |
9 #include "base/logging.h" | |
10 #include "base/stl_util-inl.h" | |
11 #include "base/string_piece.h" | |
12 #include "build/build_config.h" | |
13 #include "gfx/codec/png_codec.h" | |
14 #include "gfx/font.h" | |
15 #include "third_party/skia/include/core/SkBitmap.h" | |
16 | |
17 namespace { | |
18 | |
19 // Font sizes relative to base font. | |
20 #if defined(OS_CHROMEOS) && defined(CROS_FONTS_USING_BCI) | |
21 const int kSmallFontSizeDelta = -3; | |
22 const int kMediumFontSizeDelta = 2; | |
23 const int kLargeFontSizeDelta = 7; | |
24 #else | |
25 const int kSmallFontSizeDelta = -2; | |
26 const int kMediumFontSizeDelta = 3; | |
27 const int kLargeFontSizeDelta = 8; | |
28 #endif | |
29 | |
30 } // namespace | |
31 | |
32 ResourceBundle* ResourceBundle::g_shared_instance_ = NULL; | |
33 | |
34 /* static */ | |
35 // TODO(glen): Finish moving these into theme provider (dialogs still | |
36 // depend on these colors). | |
37 const SkColor ResourceBundle::frame_color = | |
38 SkColorSetRGB(66, 116, 201); | |
39 const SkColor ResourceBundle::frame_color_inactive = | |
40 SkColorSetRGB(161, 182, 228); | |
41 const SkColor ResourceBundle::frame_color_app_panel = | |
42 SK_ColorWHITE; | |
43 const SkColor ResourceBundle::frame_color_app_panel_inactive = | |
44 SK_ColorWHITE; | |
45 const SkColor ResourceBundle::frame_color_incognito = | |
46 SkColorSetRGB(83, 106, 139); | |
47 const SkColor ResourceBundle::frame_color_incognito_inactive = | |
48 SkColorSetRGB(126, 139, 156); | |
49 const SkColor ResourceBundle::toolbar_color = | |
50 SkColorSetRGB(210, 225, 246); | |
51 const SkColor ResourceBundle::toolbar_separator_color = | |
52 SkColorSetRGB(182, 186, 192); | |
53 | |
54 /* static */ | |
55 std::string ResourceBundle::InitSharedInstance( | |
56 const std::string& pref_locale) { | |
57 DCHECK(g_shared_instance_ == NULL) << "ResourceBundle initialized twice"; | |
58 g_shared_instance_ = new ResourceBundle(); | |
59 | |
60 g_shared_instance_->LoadCommonResources(); | |
61 return g_shared_instance_->LoadLocaleResources(pref_locale); | |
62 } | |
63 | |
64 /* static */ | |
65 std::string ResourceBundle::ReloadSharedInstance( | |
66 const std::string& pref_locale) { | |
67 DCHECK(g_shared_instance_ != NULL) << "ResourceBundle not initialized"; | |
68 | |
69 g_shared_instance_->UnloadLocaleResources(); | |
70 return g_shared_instance_->LoadLocaleResources(pref_locale); | |
71 } | |
72 | |
73 /* static */ | |
74 void ResourceBundle::AddDataPackToSharedInstance(const FilePath& path) { | |
75 DCHECK(g_shared_instance_ != NULL) << "ResourceBundle not initialized"; | |
76 g_shared_instance_->data_packs_.push_back(new LoadedDataPack(path)); | |
77 } | |
78 | |
79 /* static */ | |
80 void ResourceBundle::CleanupSharedInstance() { | |
81 if (g_shared_instance_) { | |
82 delete g_shared_instance_; | |
83 g_shared_instance_ = NULL; | |
84 } | |
85 } | |
86 | |
87 /* static */ | |
88 ResourceBundle& ResourceBundle::GetSharedInstance() { | |
89 // Must call InitSharedInstance before this function. | |
90 CHECK(g_shared_instance_ != NULL); | |
91 return *g_shared_instance_; | |
92 } | |
93 | |
94 SkBitmap* ResourceBundle::GetBitmapNamed(int resource_id) { | |
95 // Check to see if we already have the Skia image in the cache. | |
96 { | |
97 AutoLock lock_scope(*lock_); | |
98 SkImageMap::const_iterator found = skia_images_.find(resource_id); | |
99 if (found != skia_images_.end()) | |
100 return found->second; | |
101 } | |
102 | |
103 scoped_ptr<SkBitmap> bitmap; | |
104 | |
105 bitmap.reset(LoadBitmap(resources_data_, resource_id)); | |
106 | |
107 if (bitmap.get()) { | |
108 // We loaded successfully. Cache the Skia version of the bitmap. | |
109 AutoLock lock_scope(*lock_); | |
110 | |
111 // Another thread raced us, and has already cached the skia image. | |
112 if (skia_images_.count(resource_id)) | |
113 return skia_images_[resource_id]; | |
114 | |
115 skia_images_[resource_id] = bitmap.get(); | |
116 return bitmap.release(); | |
117 } | |
118 | |
119 // We failed to retrieve the bitmap, show a debugging red square. | |
120 { | |
121 LOG(WARNING) << "Unable to load bitmap with id " << resource_id; | |
122 NOTREACHED(); // Want to assert in debug mode. | |
123 | |
124 AutoLock lock_scope(*lock_); // Guard empty_bitmap initialization. | |
125 | |
126 static SkBitmap* empty_bitmap = NULL; | |
127 if (!empty_bitmap) { | |
128 // The placeholder bitmap is bright red so people notice the problem. | |
129 // This bitmap will be leaked, but this code should never be hit. | |
130 empty_bitmap = new SkBitmap(); | |
131 empty_bitmap->setConfig(SkBitmap::kARGB_8888_Config, 32, 32); | |
132 empty_bitmap->allocPixels(); | |
133 empty_bitmap->eraseARGB(255, 255, 0, 0); | |
134 } | |
135 return empty_bitmap; | |
136 } | |
137 } | |
138 | |
139 RefCountedStaticMemory* ResourceBundle::LoadDataResourceBytes( | |
140 int resource_id) const { | |
141 RefCountedStaticMemory* bytes = | |
142 LoadResourceBytes(resources_data_, resource_id); | |
143 | |
144 // Check all our additional data packs for the resources if it wasn't loaded | |
145 // from our main source. | |
146 for (std::vector<LoadedDataPack*>::const_iterator it = data_packs_.begin(); | |
147 !bytes && it != data_packs_.end(); ++it) { | |
148 bytes = (*it)->GetStaticMemory(resource_id); | |
149 } | |
150 | |
151 return bytes; | |
152 } | |
153 | |
154 const gfx::Font& ResourceBundle::GetFont(FontStyle style) { | |
155 LoadFontsIfNecessary(); | |
156 switch (style) { | |
157 case BoldFont: | |
158 return *bold_font_; | |
159 case SmallFont: | |
160 return *small_font_; | |
161 case MediumFont: | |
162 return *medium_font_; | |
163 case MediumBoldFont: | |
164 return *medium_bold_font_; | |
165 case LargeFont: | |
166 return *large_font_; | |
167 default: | |
168 return *base_font_; | |
169 } | |
170 } | |
171 | |
172 gfx::NativeImage ResourceBundle::GetNativeImageNamed(int resource_id) { | |
173 ResourceBundle& rb = ResourceBundle::GetSharedInstance(); | |
174 #if defined(OS_MACOSX) | |
175 return rb.GetNSImageNamed(resource_id); | |
176 #elif defined(USE_X11) && !defined(TOOLKIT_VIEWS) | |
177 return rb.GetPixbufNamed(resource_id); | |
178 #else | |
179 return rb.GetBitmapNamed(resource_id); | |
180 #endif | |
181 } | |
182 | |
183 ResourceBundle::ResourceBundle() | |
184 : lock_(new Lock), | |
185 resources_data_(NULL), | |
186 locale_resources_data_(NULL) { | |
187 } | |
188 | |
189 void ResourceBundle::FreeImages() { | |
190 STLDeleteContainerPairSecondPointers(skia_images_.begin(), | |
191 skia_images_.end()); | |
192 skia_images_.clear(); | |
193 } | |
194 | |
195 void ResourceBundle::LoadFontsIfNecessary() { | |
196 AutoLock lock_scope(*lock_); | |
197 if (!base_font_.get()) { | |
198 base_font_.reset(new gfx::Font()); | |
199 | |
200 bold_font_.reset(new gfx::Font()); | |
201 *bold_font_ = | |
202 base_font_->DeriveFont(0, base_font_->GetStyle() | gfx::Font::BOLD); | |
203 | |
204 small_font_.reset(new gfx::Font()); | |
205 *small_font_ = base_font_->DeriveFont(kSmallFontSizeDelta); | |
206 | |
207 medium_font_.reset(new gfx::Font()); | |
208 *medium_font_ = base_font_->DeriveFont(kMediumFontSizeDelta); | |
209 | |
210 medium_bold_font_.reset(new gfx::Font()); | |
211 *medium_bold_font_ = | |
212 base_font_->DeriveFont(kMediumFontSizeDelta, | |
213 base_font_->GetStyle() | gfx::Font::BOLD); | |
214 | |
215 large_font_.reset(new gfx::Font()); | |
216 *large_font_ = base_font_->DeriveFont(kLargeFontSizeDelta); | |
217 } | |
218 } | |
219 | |
220 /* static */ | |
221 SkBitmap* ResourceBundle::LoadBitmap(DataHandle data_handle, int resource_id) { | |
222 scoped_refptr<RefCountedMemory> memory( | |
223 LoadResourceBytes(data_handle, resource_id)); | |
224 if (!memory) | |
225 return NULL; | |
226 | |
227 SkBitmap bitmap; | |
228 if (!gfx::PNGCodec::Decode(memory->front(), memory->size(), &bitmap)) { | |
229 NOTREACHED() << "Unable to decode theme image resource " << resource_id; | |
230 return NULL; | |
231 } | |
232 | |
233 return new SkBitmap(bitmap); | |
234 } | |
235 | |
236 | |
237 // LoadedDataPack ------------------------------------------------------------- | |
238 | |
239 ResourceBundle::LoadedDataPack::LoadedDataPack(const FilePath& path) | |
240 : path_(path) { | |
241 // Always preload the data packs so we can maintain constness. | |
242 Load(); | |
243 } | |
244 | |
245 ResourceBundle::LoadedDataPack::~LoadedDataPack() { | |
246 } | |
247 | |
248 void ResourceBundle::LoadedDataPack::Load() { | |
249 DCHECK(!data_pack_.get()); | |
250 data_pack_.reset(new app::DataPack); | |
251 bool success = data_pack_->Load(path_); | |
252 LOG_IF(ERROR, !success) << "Failed to load " << path_.value() | |
253 << "\nYou will not be able to use the Bookmarks Manager or " | |
254 << "about:net-internals."; | |
255 } | |
256 | |
257 bool ResourceBundle::LoadedDataPack::GetStringPiece( | |
258 int resource_id, base::StringPiece* data) const { | |
259 return data_pack_->GetStringPiece(static_cast<uint32>(resource_id), data); | |
260 } | |
261 | |
262 RefCountedStaticMemory* ResourceBundle::LoadedDataPack::GetStaticMemory( | |
263 int resource_id) const { | |
264 return data_pack_->GetStaticMemory(resource_id); | |
265 } | |
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