// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/android/compositor/scene_layer/edge_to_edge_bottom_chin_scene_layer.h"
#include "base/android/jni_android.h"
#include "base/android/jni_array.h"
#include "cc/slim/layer.h"
#include "cc/slim/solid_color_layer.h"
#include "cc/slim/ui_resource_layer.h"
#include "chrome/browser/flags/android/chrome_feature_list.h"
#include "chrome/browser/ui/android/edge_to_edge/jni_headers/EdgeToEdgeBottomChinSceneLayer_jni.h"
using base::android::JavaParamRef;
using base::android::JavaRef;
namespace android {
EdgeToEdgeBottomChinSceneLayer::EdgeToEdgeBottomChinSceneLayer(
JNIEnv* env,
const JavaRef<jobject>& jobj)
: SceneLayer(env, jobj),
view_container_(cc::slim::Layer::Create()),
view_layer_(cc::slim::SolidColorLayer::Create()),
divider_layer_(cc::slim::SolidColorLayer::Create()),
debug_layer_(cc::slim::SolidColorLayer::Create()) {
layer()->SetIsDrawable(true);
view_container_->SetIsDrawable(true);
view_container_->SetMasksToBounds(true);
view_layer_->SetIsDrawable(true);
view_layer_->SetPosition(gfx::PointF(0, 0));
view_container_->AddChild(view_layer_);
divider_layer_->SetIsDrawable(true);
divider_layer_->SetPosition(gfx::PointF(0, 0));
divider_layer_->SetHideLayerAndSubtree(true);
view_container_->AddChild(divider_layer_);
is_debugging_ = chrome::android::kEdgeToEdgeBottomChinDebugParam.Get();
if (is_debugging_) {
debug_layer_->SetIsDrawable(true);
debug_layer_->SetBackgroundColor(SkColors::kMagenta);
debug_layer_->SetOpacity(0.5f);
view_container_->AddChild(debug_layer_);
}
}
EdgeToEdgeBottomChinSceneLayer::~EdgeToEdgeBottomChinSceneLayer() = default;
void EdgeToEdgeBottomChinSceneLayer::UpdateEdgeToEdgeBottomChinLayer(
JNIEnv* env,
jint container_width,
jint container_height,
jint color_argb,
jint divider_color,
jfloat y_offset) {
view_container_->SetBounds(gfx::Size(container_width, container_height));
view_container_->SetPosition(gfx::PointF(0, y_offset - container_height));
view_layer_->SetBackgroundColor(SkColor4f::FromColor(color_argb));
view_layer_->SetBounds(gfx::Size(container_width, container_height));
// Divider is set to be a 1px ARBG color on top of the chin.
// The color could be transparent or the same as |color_argb|
divider_layer_->SetBackgroundColor(SkColor4f::FromColor(divider_color));
divider_layer_->SetBounds(gfx::Size(container_width, 1));
if (is_debugging_) {
debug_layer_->SetBounds(gfx::Size(container_width / 2, container_height));
}
}
void EdgeToEdgeBottomChinSceneLayer::SetContentTree(
JNIEnv* env,
const JavaParamRef<jobject>& jobj,
const JavaParamRef<jobject>& jcontent_tree) {
SceneLayer* content_tree = FromJavaObject(env, jcontent_tree);
if (!content_tree || !content_tree->layer()) {
return;
}
if (!content_tree->layer()->parent() ||
(content_tree->layer()->parent()->id() != layer_->id())) {
layer_->AddChild(content_tree->layer());
layer_->AddChild(view_container_);
}
// Propagate the background color up from the content layer.
should_show_background_ = content_tree->ShouldShowBackground();
background_color_ = content_tree->GetBackgroundColor();
}
SkColor EdgeToEdgeBottomChinSceneLayer::GetBackgroundColor() {
return background_color_;
}
bool EdgeToEdgeBottomChinSceneLayer::ShouldShowBackground() {
return should_show_background_;
}
static jlong JNI_EdgeToEdgeBottomChinSceneLayer_Init(
JNIEnv* env,
const JavaParamRef<jobject>& jobj) {
// This will automatically bind to the Java object and pass ownership there.
EdgeToEdgeBottomChinSceneLayer* scene_layer =
new EdgeToEdgeBottomChinSceneLayer(env, jobj);
return reinterpret_cast<intptr_t>(scene_layer);
}
} // namespace android