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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/snapshot/snapshot.h"
#include <memory>
#include <utility>
#include "base/functional/bind.h"
#include "components/viz/common/frame_sinks/copy_output_request.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/android/view_android.h"
#include "ui/android/window_android.h"
#include "ui/android/window_android_compositor.h"
#include "ui/base/layout.h"
#include "ui/gfx/geometry/point_conversions.h"
#include "ui/gfx/geometry/rect_conversions.h"
#include "ui/snapshot/snapshot_async.h"
namespace ui {
static std::unique_ptr<viz::CopyOutputRequest> CreateCopyRequest(
gfx::NativeView view,
const gfx::Rect& source_rect,
viz::CopyOutputRequest::CopyOutputRequestCallback callback) {
std::unique_ptr<viz::CopyOutputRequest> request =
std::make_unique<viz::CopyOutputRequest>(
viz::CopyOutputRequest::ResultFormat::RGBA,
viz::CopyOutputRequest::ResultDestination::kSystemMemory,
std::move(callback));
if (!source_rect.IsEmpty()) {
float scale = ui::GetScaleFactorForNativeView(view);
request->set_area(gfx::ScaleToEnclosingRect(source_rect, scale));
}
return request;
}
static void MakeAsyncCopyRequest(
gfx::NativeWindow window,
const gfx::Rect& source_rect,
std::unique_ptr<viz::CopyOutputRequest> copy_request) {
if (!window->GetCompositor())
return;
window->GetCompositor()->RequestCopyOfOutputOnRootLayer(
std::move(copy_request));
}
void GrabWindowSnapshotAndScale(gfx::NativeWindow window,
const gfx::Rect& source_rect,
const gfx::Size& target_size,
GrabSnapshotImageCallback callback) {
MakeAsyncCopyRequest(
window, source_rect,
CreateCopyRequest(window, source_rect,
base::BindOnce(&SnapshotAsync::ScaleCopyOutputResult,
std::move(callback), target_size)));
}
void GrabWindowSnapshot(gfx::NativeWindow window,
const gfx::Rect& source_rect,
GrabSnapshotImageCallback callback) {
MakeAsyncCopyRequest(
window, source_rect,
CreateCopyRequest(
window, source_rect,
base::BindOnce(&SnapshotAsync::RunCallbackWithCopyOutputResult,
std::move(callback))));
}
void GrabViewSnapshot(gfx::NativeView view,
const gfx::Rect& source_rect,
GrabSnapshotImageCallback callback) {
std::unique_ptr<viz::CopyOutputRequest> copy_request =
view->MaybeRequestCopyOfView(CreateCopyRequest(
view, source_rect,
base::BindOnce(&SnapshotAsync::RunCallbackWithCopyOutputResult,
std::move(callback))));
if (!copy_request)
return;
MakeAsyncCopyRequest(view->GetWindowAndroid(), source_rect,
std::move(copy_request));
}
} // namespace ui
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