| // 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 <memory> |
| #include <utility> |
| |
| #include "base/bind.h" |
| #include "base/task_runner.h" |
| #include "cc/output/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/display/display.h" |
| #include "ui/display/screen.h" |
| #include "ui/gfx/geometry/point_conversions.h" |
| #include "ui/gfx/geometry/rect_conversions.h" |
| #include "ui/snapshot/snapshot_async.h" |
| |
| namespace ui { |
| |
| // Sync versions are not supported in Android. Callers should fall back |
| // to the async version. |
| bool GrabViewSnapshot(gfx::NativeView view, |
| const gfx::Rect& snapshot_bounds, |
| gfx::Image* image) { |
| return GrabWindowSnapshot(view->GetWindowAndroid(), snapshot_bounds, image); |
| } |
| |
| bool GrabWindowSnapshot(gfx::NativeWindow window, |
| const gfx::Rect& snapshot_bounds, |
| gfx::Image* image) { |
| return false; |
| } |
| |
| static void MakeAsyncCopyRequest( |
| gfx::NativeWindow window, |
| const gfx::Rect& source_rect, |
| const cc::CopyOutputRequest::CopyOutputRequestCallback& callback) { |
| std::unique_ptr<cc::CopyOutputRequest> request = |
| cc::CopyOutputRequest::CreateBitmapRequest(callback); |
| |
| const display::Display& display = |
| display::Screen::GetScreen()->GetDisplayNearestWindow(window); |
| float scale = display.device_scale_factor(); |
| request->set_area(gfx::ScaleToEnclosingRect(source_rect, scale)); |
| window->GetCompositor()->RequestCopyOfOutputOnRootLayer(std::move(request)); |
| } |
| |
| 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, |
| const GrabWindowSnapshotAsyncCallback& callback) { |
| MakeAsyncCopyRequest( |
| window, source_rect, |
| base::Bind(&SnapshotAsync::RunCallbackWithCopyOutputResult, callback)); |
| } |
| |
| void GrabViewSnapshotAsync(gfx::NativeView view, |
| const gfx::Rect& source_rect, |
| const GrabWindowSnapshotAsyncCallback& callback) { |
| MakeAsyncCopyRequest( |
| view->GetWindowAndroid(), source_rect, |
| base::Bind(&SnapshotAsync::RunCallbackWithCopyOutputResult, callback)); |
| } |
| |
| } // namespace ui |