blob: 1c01ac0c88aac34878f41e8e5393b20cbf535d0d [file] [log] [blame]
// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cc/test/layer_tree_json_parser.h"
#include <stddef.h>
#include "base/test/values_test_util.h"
#include "base/values.h"
#include "cc/layers/layer.h"
#include "cc/layers/nine_patch_layer.h"
#include "cc/layers/picture_layer.h"
#include "cc/layers/solid_color_layer.h"
#include "cc/layers/texture_layer.h"
#include "cc/trees/layer_tree_settings.h"
namespace cc {
namespace {
scoped_refptr<Layer> ParseTreeFromValue(const base::Value& val,
ContentLayerClient* content_client) {
const base::DictionaryValue* dict;
bool success = true;
success &= val.GetAsDictionary(&dict);
std::string layer_type;
success &= dict->GetString("LayerType", &layer_type);
const base::ListValue* list;
success &= dict->GetList("Bounds", &list);
int width, height;
success &= list->GetInteger(0, &width);
success &= list->GetInteger(1, &height);
bool draws_content;
success &= dict->GetBoolean("DrawsContent", &draws_content);
bool hit_testable;
// If we cannot load hit_testable, we may try loading the old version, since
// we do not record |hit_testable_without_draws_content| in the past, we use
// |draws_content| as the value of |hit_testable|.
if (!dict->GetBoolean("HitTestable", &hit_testable)) {
hit_testable = draws_content;
}
scoped_refptr<Layer> new_layer;
if (layer_type == "SolidColorLayer") {
new_layer = SolidColorLayer::Create();
} else if (layer_type == "NinePatchLayer") {
success &= dict->GetList("ImageAperture", &list);
int aperture_x, aperture_y, aperture_width, aperture_height;
success &= list->GetInteger(0, &aperture_x);
success &= list->GetInteger(1, &aperture_y);
success &= list->GetInteger(2, &aperture_width);
success &= list->GetInteger(3, &aperture_height);
const base::ListValue* bounds;
success &= dict->GetList("ImageBounds", &bounds);
double image_width, image_height;
success &= bounds->GetDouble(0, &image_width);
success &= bounds->GetDouble(1, &image_height);
success &= dict->GetList("Border", &list);
int border_x, border_y, border_width, border_height;
success &= list->GetInteger(0, &border_x);
success &= list->GetInteger(1, &border_y);
success &= list->GetInteger(2, &border_width);
success &= list->GetInteger(3, &border_height);
bool fill_center;
success &= dict->GetBoolean("FillCenter", &fill_center);
scoped_refptr<NinePatchLayer> nine_patch_layer = NinePatchLayer::Create();
SkBitmap bitmap;
bitmap.allocN32Pixels(image_width, image_height);
bitmap.setImmutable();
nine_patch_layer->SetBitmap(bitmap);
nine_patch_layer->SetAperture(
gfx::Rect(aperture_x, aperture_y, aperture_width, aperture_height));
nine_patch_layer->SetBorder(
gfx::Rect(border_x, border_y, border_width, border_height));
nine_patch_layer->SetFillCenter(fill_center);
new_layer = nine_patch_layer;
} else if (layer_type == "TextureLayer") {
new_layer = TextureLayer::CreateForMailbox(nullptr);
} else if (layer_type == "PictureLayer") {
new_layer = PictureLayer::Create(content_client);
} else { // Type "Layer" or "unknown"
new_layer = Layer::Create();
}
new_layer->SetBounds(gfx::Size(width, height));
new_layer->SetIsDrawable(draws_content);
new_layer->SetHitTestable(hit_testable);
double opacity;
if (dict->GetDouble("Opacity", &opacity))
new_layer->SetOpacity(opacity);
bool contents_opaque;
if (dict->GetBoolean("ContentsOpaque", &contents_opaque))
new_layer->SetContentsOpaque(contents_opaque);
if (dict->HasKey("TouchRegion")) {
success &= dict->GetList("TouchRegion", &list);
TouchActionRegion touch_action_region;
for (size_t i = 0; i < list->GetSize(); ) {
int rect_x, rect_y, rect_width, rect_height;
success &= list->GetInteger(i++, &rect_x);
success &= list->GetInteger(i++, &rect_y);
success &= list->GetInteger(i++, &rect_width);
success &= list->GetInteger(i++, &rect_height);
touch_action_region.Union(
kTouchActionNone, gfx::Rect(rect_x, rect_y, rect_width, rect_height));
}
new_layer->SetTouchActionRegion(std::move(touch_action_region));
}
success &= dict->GetList("Transform", &list);
double transform[16];
for (int i = 0; i < 16; ++i)
success &= list->GetDouble(i, &transform[i]);
gfx::Transform layer_transform;
layer_transform.matrix().setColMajord(transform);
new_layer->SetTransform(layer_transform);
success &= dict->GetList("Children", &list);
for (const auto& value : *list) {
new_layer->AddChild(ParseTreeFromValue(value, content_client));
}
if (!success)
return nullptr;
return new_layer;
}
} // namespace
scoped_refptr<Layer> ParseTreeFromJson(std::string json,
ContentLayerClient* content_client) {
std::unique_ptr<base::Value> val = base::test::ParseJsonDeprecated(json);
return ParseTreeFromValue(*val, content_client);
}
} // namespace cc