| // 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. |
| |
| #ifndef CC_OUTPUT_COMPOSITOR_FRAME_METADATA_H_ |
| #define CC_OUTPUT_COMPOSITOR_FRAME_METADATA_H_ |
| |
| #include <vector> |
| |
| #include "cc/base/cc_export.h" |
| #include "cc/output/viewport_selection_bound.h" |
| #include "third_party/skia/include/core/SkColor.h" |
| #include "ui/events/latency_info.h" |
| #include "ui/gfx/geometry/size_f.h" |
| #include "ui/gfx/geometry/vector2d_f.h" |
| |
| namespace cc { |
| |
| class CC_EXPORT CompositorFrameMetadata { |
| public: |
| CompositorFrameMetadata(); |
| ~CompositorFrameMetadata(); |
| |
| // The device scale factor used to generate this compositor frame. |
| float device_scale_factor; |
| |
| // Scroll offset and scale of the root layer. This can be used for tasks |
| // like positioning windowed plugins. |
| gfx::Vector2dF root_scroll_offset; |
| float page_scale_factor; |
| |
| // These limits can be used together with the scroll/scale fields above to |
| // determine if scrolling/scaling in a particular direction is possible. |
| gfx::SizeF scrollable_viewport_size; |
| gfx::SizeF root_layer_size; |
| float min_page_scale_factor; |
| float max_page_scale_factor; |
| bool root_overflow_x_hidden; |
| bool root_overflow_y_hidden; |
| |
| // Used to position the Android location top bar and page content, whose |
| // precise position is computed by the renderer compositor. |
| gfx::Vector2dF location_bar_offset; |
| gfx::Vector2dF location_bar_content_translation; |
| |
| // This color is usually obtained from the background color of the <body> |
| // element. It can be used for filling in gutter areas around the frame when |
| // it's too small to fill the box the parent reserved for it. |
| SkColor root_background_color; |
| |
| // Provides selection region updates relative to the current viewport. If the |
| // selection is empty or otherwise unused, the bound types will indicate such. |
| ViewportSelection selection; |
| |
| std::vector<ui::LatencyInfo> latency_info; |
| |
| // A set of SurfaceSequences that this frame satisfies (always in the same |
| // namespace as the current Surface). |
| std::vector<uint32_t> satisfies_sequences; |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_OUTPUT_COMPOSITOR_FRAME_METADATA_H_ |
