1 // Copyright 2013 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 "cc/test/layer_tree_json_parser.h" 6 7 #include "base/test/values_test_util.h" 8 #include "base/values.h" 9 #include "cc/layers/content_layer.h" 10 #include "cc/layers/layer.h" 11 #include "cc/layers/nine_patch_layer.h" 12 #include "cc/layers/picture_layer.h" 13 #include "cc/layers/solid_color_layer.h" 14 #include "cc/layers/texture_layer.h" 15 16 namespace cc { 17 18 namespace { 19 20 scoped_refptr<Layer> ParseTreeFromValue(base::Value* val, 21 ContentLayerClient* content_client) { 22 DictionaryValue* dict; 23 bool success = true; 24 success &= val->GetAsDictionary(&dict); 25 std::string layer_type; 26 success &= dict->GetString("LayerType", &layer_type); 27 ListValue* list; 28 success &= dict->GetList("Bounds", &list); 29 int width, height; 30 success &= list->GetInteger(0, &width); 31 success &= list->GetInteger(1, &height); 32 success &= dict->GetList("Position", &list); 33 double position_x, position_y; 34 success &= list->GetDouble(0, &position_x); 35 success &= list->GetDouble(1, &position_y); 36 37 bool draws_content; 38 success &= dict->GetBoolean("DrawsContent", &draws_content); 39 40 scoped_refptr<Layer> new_layer; 41 if (layer_type == "SolidColorLayer") { 42 new_layer = SolidColorLayer::Create(); 43 } else if (layer_type == "ContentLayer") { 44 new_layer = ContentLayer::Create(content_client); 45 } else if (layer_type == "NinePatchLayer") { 46 success &= dict->GetList("ImageAperture", &list); 47 int aperture_x, aperture_y, aperture_width, aperture_height; 48 success &= list->GetInteger(0, &aperture_x); 49 success &= list->GetInteger(1, &aperture_y); 50 success &= list->GetInteger(2, &aperture_width); 51 success &= list->GetInteger(3, &aperture_height); 52 53 ListValue* bounds; 54 success &= dict->GetList("ImageBounds", &bounds); 55 double image_width, image_height; 56 success &= bounds->GetDouble(0, &image_width); 57 success &= bounds->GetDouble(1, &image_height); 58 59 success &= dict->GetList("Border", &list); 60 int border_x, border_y, border_width, border_height; 61 success &= list->GetInteger(0, &border_x); 62 success &= list->GetInteger(1, &border_y); 63 success &= list->GetInteger(2, &border_width); 64 success &= list->GetInteger(3, &border_height); 65 66 bool fill_center; 67 success &= dict->GetBoolean("FillCenter", &fill_center); 68 69 scoped_refptr<NinePatchLayer> nine_patch_layer = NinePatchLayer::Create(); 70 71 SkBitmap bitmap; 72 bitmap.setConfig(SkBitmap::kARGB_8888_Config, image_width, image_height); 73 bitmap.allocPixels(NULL, NULL); 74 bitmap.setImmutable(); 75 nine_patch_layer->SetBitmap(bitmap); 76 nine_patch_layer->SetAperture( 77 gfx::Rect(aperture_x, aperture_y, aperture_width, aperture_height)); 78 nine_patch_layer->SetBorder( 79 gfx::Rect(border_x, border_y, border_width, border_height)); 80 nine_patch_layer->SetFillCenter(fill_center); 81 82 new_layer = nine_patch_layer; 83 } else if (layer_type == "TextureLayer") { 84 new_layer = TextureLayer::CreateForMailbox(NULL); 85 } else if (layer_type == "PictureLayer") { 86 new_layer = PictureLayer::Create(content_client); 87 } else { // Type "Layer" or "unknown" 88 new_layer = Layer::Create(); 89 } 90 new_layer->SetAnchorPoint(gfx::Point()); 91 new_layer->SetPosition(gfx::PointF(position_x, position_y)); 92 new_layer->SetBounds(gfx::Size(width, height)); 93 new_layer->SetIsDrawable(draws_content); 94 95 double opacity; 96 if (dict->GetDouble("Opacity", &opacity)) 97 new_layer->SetOpacity(opacity); 98 99 bool contents_opaque; 100 if (dict->GetBoolean("ContentsOpaque", &contents_opaque)) 101 new_layer->SetContentsOpaque(contents_opaque); 102 103 bool scrollable; 104 if (dict->GetBoolean("Scrollable", &scrollable)) 105 new_layer->SetScrollable(scrollable); 106 107 bool wheel_handler; 108 if (dict->GetBoolean("WheelHandler", &wheel_handler)) 109 new_layer->SetHaveWheelEventHandlers(wheel_handler); 110 111 if (dict->HasKey("TouchRegion")) { 112 success &= dict->GetList("TouchRegion", &list); 113 Region touch_region; 114 for (size_t i = 0; i < list->GetSize(); ) { 115 int rect_x, rect_y, rect_width, rect_height; 116 success &= list->GetInteger(i++, &rect_x); 117 success &= list->GetInteger(i++, &rect_y); 118 success &= list->GetInteger(i++, &rect_width); 119 success &= list->GetInteger(i++, &rect_height); 120 touch_region.Union(gfx::Rect(rect_x, rect_y, rect_width, rect_height)); 121 } 122 new_layer->SetTouchEventHandlerRegion(touch_region); 123 } 124 125 success &= dict->GetList("DrawTransform", &list); 126 double transform[16]; 127 for (int i = 0; i < 16; ++i) 128 success &= list->GetDouble(i, &transform[i]); 129 130 gfx::Transform layer_transform; 131 layer_transform.matrix().setColMajord(transform); 132 new_layer->SetTransform(layer_transform); 133 134 success &= dict->GetList("Children", &list); 135 for (ListValue::const_iterator it = list->begin(); 136 it != list->end(); ++it) { 137 new_layer->AddChild(ParseTreeFromValue(*it, content_client)); 138 } 139 140 if (!success) 141 return NULL; 142 143 return new_layer; 144 } 145 146 } // namespace 147 148 scoped_refptr<Layer> ParseTreeFromJson(std::string json, 149 ContentLayerClient* content_client) { 150 scoped_ptr<base::Value> val = base::test::ParseJson(json); 151 return ParseTreeFromValue(val.get(), content_client); 152 } 153 154 } // namespace cc 155
