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// Copyright (c) 2012 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/snapshot/snapshot.h"
#include "base/bind.h"
#include "base/callback.h"
#include "base/task_runner_util.h"
#include "cc/output/copy_output_request.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/aura/window.h"
#include "ui/compositor/compositor.h"
#include "ui/compositor/dip_util.h"
#include "ui/compositor/layer.h"
#include "ui/snapshot/snapshot_async.h"
namespace ui {
bool GrabViewSnapshot(gfx::NativeView view,
std::vector<unsigned char>* png_representation,
const gfx::Rect& snapshot_bounds) {
return GrabWindowSnapshot(view, png_representation, snapshot_bounds);
}
bool GrabWindowSnapshot(gfx::NativeWindow window,
std::vector<unsigned char>* png_representation,
const gfx::Rect& snapshot_bounds) {
// Not supported in Aura. Callers should fall back to the async version.
return false;
}
static void MakeAsyncCopyRequest(
gfx::NativeWindow window,
const gfx::Rect& source_rect,
const cc::CopyOutputRequest::CopyOutputRequestCallback& callback) {
scoped_ptr<cc::CopyOutputRequest> request =
cc::CopyOutputRequest::CreateBitmapRequest(callback);
request->set_area(source_rect);
window->layer()->RequestCopyOfOutput(request.Pass());
}
void GrabWindowSnapshotAndScaleAsync(
gfx::NativeWindow window,
const gfx::Rect& source_rect,
const gfx::Size& target_size,
scoped_refptr<base::TaskRunner> background_task_runner,
const GrabWindowSnapshotAsyncCallback& callback) {
MakeAsyncCopyRequest(window,
source_rect,
base::Bind(&SnapshotAsync::ScaleCopyOutputResult,
callback,
target_size,
background_task_runner));
}
void GrabWindowSnapshotAsync(
gfx::NativeWindow window,
const gfx::Rect& source_rect,
scoped_refptr<base::TaskRunner> background_task_runner,
const GrabWindowSnapshotAsyncPNGCallback& callback) {
MakeAsyncCopyRequest(window,
source_rect,
base::Bind(&SnapshotAsync::EncodeCopyOutputResult,
callback,
background_task_runner));
}
void GrabViewSnapshotAsync(
gfx::NativeView view,
const gfx::Rect& source_rect,
scoped_refptr<base::TaskRunner> background_task_runner,
const GrabWindowSnapshotAsyncPNGCallback& callback) {
GrabWindowSnapshotAsync(view, source_rect, background_task_runner, callback);
}
} // namespace ui
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