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// Copyright 2018 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 "ui/android/handle_view_resources.h"
#include "base/trace_event/trace_event.h"
#include "ui/android/ui_android_jni_headers/HandleViewResources_jni.h"
namespace {
static SkBitmap CreateSkBitmapFromJavaBitmap(
base::android::ScopedJavaLocalRef<jobject> jbitmap) {
return jbitmap.is_null()
? SkBitmap()
: CreateSkBitmapFromJavaBitmap(gfx::JavaBitmap(jbitmap));
}
} // namespace
namespace ui {
HandleViewResources::HandleViewResources() {}
void HandleViewResources::LoadIfNecessary(const JavaRef<jobject>& context) {
if (loaded_)
return;
loaded_ = true;
TRACE_EVENT0("ui", "HandleViewResources::Create");
JNIEnv* env = base::android::AttachCurrentThread();
left_bitmap_ = CreateSkBitmapFromJavaBitmap(
Java_HandleViewResources_getLeftHandleBitmap(env, context));
right_bitmap_ = CreateSkBitmapFromJavaBitmap(
Java_HandleViewResources_getRightHandleBitmap(env, context));
center_bitmap_ = CreateSkBitmapFromJavaBitmap(
Java_HandleViewResources_getCenterHandleBitmap(env, context));
left_bitmap_.setImmutable();
right_bitmap_.setImmutable();
center_bitmap_.setImmutable();
drawable_horizontal_padding_ratio_ =
Java_HandleViewResources_getHandleHorizontalPaddingRatio(env);
}
const SkBitmap& HandleViewResources::GetBitmap(
ui::TouchHandleOrientation orientation) {
DCHECK(loaded_);
switch (orientation) {
case ui::TouchHandleOrientation::LEFT:
return left_bitmap_;
case ui::TouchHandleOrientation::RIGHT:
return right_bitmap_;
case ui::TouchHandleOrientation::CENTER:
return center_bitmap_;
case ui::TouchHandleOrientation::UNDEFINED:
NOTREACHED() << "Invalid touch handle orientation.";
};
return center_bitmap_;
}
float HandleViewResources::GetDrawableHorizontalPaddingRatio() const {
DCHECK(loaded_);
return drawable_horizontal_padding_ratio_;
}
} // namespace ui
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