Index: cc/output/compositor_frame_metadata.h |
diff --git a/cc/output/compositor_frame_metadata.h b/cc/output/compositor_frame_metadata.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..9f6df95e422cd8cbd8a76dfbc5fac2a5dce4f347 |
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+++ b/cc/output/compositor_frame_metadata.h |
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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. |
+ |
+#ifndef CC_OUTPUT_COMPOSITOR_FRAME_METADATA_H_ |
+#define CC_OUTPUT_COMPOSITOR_FRAME_METADATA_H_ |
+ |
+#include <vector> |
+ |
+#include "ui/events/latency_info.h" |
+#include "ui/gfx/geometry/size_f.h" |
+#include "ui/gfx/geometry/vector2d_f.h" |
+ |
+namespace cc { |
+ |
+class 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; |
+ |
+ 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_ |