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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "content/browser/android/system_ui_resource_manager_impl.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/bind_helpers.h" | |
| 9 #include "base/debug/trace_event.h" | |
| 10 #include "base/location.h" | |
| 11 #include "base/observer_list.h" | |
| 12 #include "base/threading/worker_pool.h" | |
| 13 #include "cc/resources/ui_resource_bitmap.h" | |
| 14 #include "content/public/browser/android/ui_resource_client_android.h" | |
| 15 #include "content/public/browser/android/ui_resource_provider.h" | |
| 16 #include "jni/UIResources_jni.h" | |
| 17 #include "skia/ext/image_operations.h" | |
| 18 #include "third_party/skia/include/core/SkBitmap.h" | |
| 19 #include "third_party/skia/include/core/SkCanvas.h" | |
| 20 #include "third_party/skia/include/core/SkPaint.h" | |
| 21 #include "ui/gfx/android/java_bitmap.h" | |
| 22 #include "ui/gfx/screen.h" | |
| 23 | |
| 24 namespace content { | |
| 25 namespace { | |
| 26 | |
| 27 SkBitmap CreateOverscrollGlowLBitmap(const gfx::Size& screen_size) { | |
| 28 const float kSin = 0.5f; // sin(PI / 6) | |
| 29 const float kCos = 0.866f; // cos(PI / 6); | |
| 30 | |
| 31 SkPaint paint; | |
| 32 paint.setAntiAlias(true); | |
| 33 paint.setAlpha(0xBB); | |
| 34 paint.setStyle(SkPaint::kFill_Style); | |
| 35 | |
| 36 const float arc_width = | |
| 37 std::min(screen_size.width(), screen_size.height()) * 0.5f / kSin; | |
| 38 const float y = kCos * arc_width; | |
| 39 const float height = arc_width - y; | |
| 40 gfx::Size bounds(arc_width, height); | |
| 41 SkRect arc_rect = SkRect::MakeXYWH( | |
| 42 -arc_width / 2.f, -arc_width - y, arc_width * 2.f, arc_width * 2.f); | |
| 43 SkBitmap glow_bitmap; | |
| 44 glow_bitmap.allocPixels(SkImageInfo::MakeA8(bounds.width(), bounds.height())); | |
| 45 glow_bitmap.eraseColor(SK_ColorTRANSPARENT); | |
| 46 | |
| 47 SkCanvas canvas(glow_bitmap); | |
| 48 canvas.clipRect(SkRect::MakeXYWH(0, 0, bounds.width(), bounds.height())); | |
| 49 canvas.drawArc(arc_rect, 45, 90, true, paint); | |
| 50 return glow_bitmap; | |
| 51 } | |
| 52 | |
| 53 SkBitmap LoadJavaBitmap(ui::SystemUIResourceType type, const gfx::Size& size) { | |
| 54 ScopedJavaLocalRef<jobject> jobj = | |
| 55 Java_UIResources_getBitmap(base::android::AttachCurrentThread(), | |
| 56 base::android::GetApplicationContext(), type, | |
| 57 size.width(), size.height()); | |
| 58 if (jobj.is_null()) | |
| 59 return SkBitmap(); | |
| 60 | |
| 61 SkBitmap bitmap = CreateSkBitmapFromJavaBitmap(gfx::JavaBitmap(jobj.obj())); | |
| 62 if (bitmap.isNull()) | |
| 63 return bitmap; | |
| 64 | |
| 65 if (size.IsEmpty()) | |
| 66 return bitmap; | |
| 67 | |
| 68 return skia::ImageOperations::Resize( | |
| 69 bitmap, skia::ImageOperations::RESIZE_BOX, size.width(), size.height()); | |
| 70 } | |
| 71 | |
| 72 void LoadBitmap(ui::SystemUIResourceType type, | |
| 73 SkBitmap* bitmap_holder, | |
| 74 const gfx::Size& screen_size) { | |
| 75 TRACE_EVENT1( | |
| 76 "browser", "SystemUIResourceManagerImpl::LoadBitmap", "type", type); | |
| 77 SkBitmap bitmap; | |
| 78 switch (type) { | |
| 79 case ui::OVERSCROLL_EDGE: | |
| 80 bitmap = LoadJavaBitmap(type, gfx::Size(128, 12)); | |
| 81 break; | |
| 82 case ui::OVERSCROLL_GLOW: | |
| 83 bitmap = LoadJavaBitmap(type, gfx::Size(128, 64)); | |
| 84 break; | |
| 85 case ui::OVERSCROLL_GLOW_L: | |
| 86 bitmap = CreateOverscrollGlowLBitmap(screen_size); | |
| 87 break; | |
| 88 case ui::OVERSCROLL_REFRESH_IDLE: | |
| 89 case ui::OVERSCROLL_REFRESH_ACTIVE: | |
| 90 bitmap = LoadJavaBitmap(type, gfx::Size()); | |
| 91 break; | |
| 92 } | |
| 93 bitmap.setImmutable(); | |
| 94 *bitmap_holder = bitmap; | |
| 95 } | |
| 96 | |
| 97 } // namespace | |
| 98 | |
| 99 class SystemUIResourceManagerImpl::Entry | |
| 100 : public content::UIResourceClientAndroid { | |
| 101 public: | |
| 102 explicit Entry(UIResourceProvider* provider) : id_(0), provider_(provider) { | |
| 103 DCHECK(provider); | |
| 104 } | |
| 105 | |
| 106 ~Entry() override { | |
| 107 if (id_) | |
| 108 provider_->DeleteUIResource(id_); | |
| 109 id_ = 0; | |
| 110 } | |
| 111 | |
| 112 void SetBitmap(const SkBitmap& bitmap) { | |
| 113 DCHECK(!bitmap.empty()); | |
| 114 DCHECK(bitmap_.empty()); | |
| 115 DCHECK(!id_); | |
| 116 bitmap_ = bitmap; | |
| 117 } | |
| 118 | |
| 119 cc::UIResourceId GetUIResourceId() { | |
| 120 if (bitmap_.empty()) | |
| 121 return 0; | |
| 122 if (!id_) | |
| 123 id_ = provider_->CreateUIResource(this); | |
| 124 return id_; | |
| 125 } | |
| 126 | |
| 127 // content::UIResourceClient implementation. | |
| 128 cc::UIResourceBitmap GetBitmap(cc::UIResourceId uid, | |
| 129 bool resource_lost) override { | |
| 130 DCHECK(!bitmap_.empty()); | |
| 131 return cc::UIResourceBitmap(bitmap_); | |
| 132 } | |
| 133 | |
| 134 // content::UIResourceClientAndroid implementation. | |
| 135 void UIResourceIsInvalid() override { id_ = 0; } | |
| 136 | |
| 137 const SkBitmap& bitmap() const { return bitmap_; } | |
| 138 | |
| 139 private: | |
| 140 SkBitmap bitmap_; | |
| 141 cc::UIResourceId id_; | |
| 142 UIResourceProvider* provider_; | |
| 143 | |
| 144 DISALLOW_COPY_AND_ASSIGN(Entry); | |
| 145 }; | |
| 146 | |
| 147 SystemUIResourceManagerImpl::SystemUIResourceManagerImpl( | |
| 148 UIResourceProvider* ui_resource_provider) | |
| 149 : ui_resource_provider_(ui_resource_provider), weak_factory_(this) { | |
| 150 } | |
| 151 | |
| 152 SystemUIResourceManagerImpl::~SystemUIResourceManagerImpl() { | |
| 153 } | |
| 154 | |
| 155 void SystemUIResourceManagerImpl::PreloadResource( | |
| 156 ui::SystemUIResourceType type) { | |
| 157 GetEntry(type); | |
| 158 } | |
| 159 | |
| 160 cc::UIResourceId SystemUIResourceManagerImpl::GetUIResourceId( | |
| 161 ui::SystemUIResourceType type) { | |
| 162 return GetEntry(type)->GetUIResourceId(); | |
| 163 } | |
| 164 | |
| 165 SystemUIResourceManagerImpl::Entry* SystemUIResourceManagerImpl::GetEntry( | |
| 166 ui::SystemUIResourceType type) { | |
| 167 DCHECK_GE(type, ui::SYSTEM_UI_RESOURCE_TYPE_FIRST); | |
| 168 DCHECK_LE(type, ui::SYSTEM_UI_RESOURCE_TYPE_LAST); | |
| 169 if (!resource_map_[type]) { | |
| 170 resource_map_[type].reset(new Entry(ui_resource_provider_)); | |
| 171 // Lazily build the resource. | |
| 172 BuildResource(type); | |
| 173 } | |
| 174 return resource_map_[type].get(); | |
| 175 } | |
| 176 | |
| 177 void SystemUIResourceManagerImpl::BuildResource(ui::SystemUIResourceType type) { | |
| 178 DCHECK(GetEntry(type)->bitmap().empty()); | |
| 179 | |
| 180 // Instead of blocking the main thread, we post a task to load the bitmap. | |
| 181 SkBitmap* bitmap = new SkBitmap(); | |
| 182 gfx::Size screen_size = | |
| 183 gfx::Screen::GetNativeScreen()->GetPrimaryDisplay().GetSizeInPixel(); | |
| 184 base::Closure load_bitmap = | |
| 185 base::Bind(&LoadBitmap, type, bitmap, screen_size); | |
| 186 base::Closure finished_load = | |
| 187 base::Bind(&SystemUIResourceManagerImpl::OnFinishedLoadBitmap, | |
| 188 weak_factory_.GetWeakPtr(), | |
| 189 type, | |
| 190 base::Owned(bitmap)); | |
| 191 base::WorkerPool::PostTaskAndReply( | |
| 192 FROM_HERE, load_bitmap, finished_load, true); | |
| 193 } | |
| 194 | |
| 195 void SystemUIResourceManagerImpl::OnFinishedLoadBitmap( | |
| 196 ui::SystemUIResourceType type, | |
| 197 SkBitmap* bitmap_holder) { | |
| 198 DCHECK(bitmap_holder); | |
| 199 GetEntry(type)->SetBitmap(*bitmap_holder); | |
| 200 } | |
| 201 | |
| 202 // static | |
| 203 bool SystemUIResourceManagerImpl::RegisterUIResources(JNIEnv* env) { | |
| 204 return RegisterNativesImpl(env); | |
| 205 } | |
| 206 | |
| 207 } // namespace content | |
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Chromium Code Reviews
Issue 755643004:
Replace SystemUIResourceManager with ResourceManager (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master