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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef ANDROID_WEBVIEW_BROWSER_BROWSER_VIEW_RENDERER_H_ | 5 #ifndef ANDROID_WEBVIEW_BROWSER_BROWSER_VIEW_RENDERER_H_ |
| 6 #define ANDROID_WEBVIEW_BROWSER_BROWSER_VIEW_RENDERER_H_ | 6 #define ANDROID_WEBVIEW_BROWSER_BROWSER_VIEW_RENDERER_H_ |
| 7 | 7 |
| 8 #include "android_webview/browser/parent_compositor_draw_constraints.h" | 8 #include "android_webview/browser/parent_compositor_draw_constraints.h" |
| 9 #include "android_webview/browser/shared_renderer_state.h" | 9 #include "android_webview/browser/shared_renderer_state.h" |
| 10 #include "base/callback.h" | 10 #include "base/callback.h" |
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| 92 const gfx::SizeF& scrollable_size_dip, | 92 const gfx::SizeF& scrollable_size_dip, |
| 93 float page_scale_factor, | 93 float page_scale_factor, |
| 94 float min_page_scale_factor, | 94 float min_page_scale_factor, |
| 95 float max_page_scale_factor) override; | 95 float max_page_scale_factor) override; |
| 96 bool IsExternalFlingActive() const override; | 96 bool IsExternalFlingActive() const override; |
| 97 void DidOverscroll(gfx::Vector2dF accumulated_overscroll, | 97 void DidOverscroll(gfx::Vector2dF accumulated_overscroll, |
| 98 gfx::Vector2dF latest_overscroll_delta, | 98 gfx::Vector2dF latest_overscroll_delta, |
| 99 gfx::Vector2dF current_fling_velocity) override; | 99 gfx::Vector2dF current_fling_velocity) override; |
| 100 | 100 |
| 101 void UpdateParentDrawConstraints(); | 101 void UpdateParentDrawConstraints(); |
| 102 void DidSkipCommitFrame(); | |
| 103 void InvalidateOnFunctorDestroy(); | 102 void InvalidateOnFunctorDestroy(); |
| 104 | 103 |
| 105 private: | 104 private: |
| 106 void SetTotalRootLayerScrollOffset(gfx::Vector2dF new_value_dip); | 105 void SetTotalRootLayerScrollOffset(gfx::Vector2dF new_value_dip); |
| 107 bool CanOnDraw(); | 106 bool CanOnDraw(); |
| 108 // Posts an invalidate with fallback tick. All invalidates posted while an | 107 // Posts an invalidate with fallback tick. All invalidates posted while an |
| 109 // invalidate is pending will be posted as a single invalidate after the | 108 // invalidate is pending will be posted as a single invalidate after the |
| 110 // pending invalidate is done. If |skip_reschedule_tick| is true a fallback | 109 // pending invalidate is done. |
| 111 // tick won't be scheduled if there's one already pending. | 110 void PostInvalidateWithFallback(); |
| 112 void PostInvalidateWithFallback(bool skip_reschedule_tick); | |
| 113 void UpdateCompositorIsActive(); | 111 void UpdateCompositorIsActive(); |
| 114 bool CompositeSW(SkCanvas* canvas); | 112 bool CompositeSW(SkCanvas* canvas); |
| 115 void DidComposite(); | 113 void DidComposite(); |
| 116 void DidSkipCompositeInDraw(); | |
| 117 scoped_refptr<base::trace_event::ConvertableToTraceFormat> | 114 scoped_refptr<base::trace_event::ConvertableToTraceFormat> |
| 118 RootLayerStateAsValue(const gfx::Vector2dF& total_scroll_offset_dip, | 115 RootLayerStateAsValue(const gfx::Vector2dF& total_scroll_offset_dip, |
| 119 const gfx::SizeF& scrollable_size_dip); | 116 const gfx::SizeF& scrollable_size_dip); |
| 120 | 117 |
| 121 scoped_ptr<cc::CompositorFrame> CompositeHw(); | 118 bool CompositeHw(); |
| 122 void ForceCompositeHw(); | |
| 123 void ReturnUnusedResource(scoped_ptr<cc::CompositorFrame> frame); | 119 void ReturnUnusedResource(scoped_ptr<cc::CompositorFrame> frame); |
| 124 void ReturnResourceFromParent(); | 120 void ReturnResourceFromParent(); |
| 125 | 121 |
| 126 // If we call up view invalidate and OnDraw is not called before a deadline, | 122 // If we call up view invalidate and OnDraw is not called before a deadline, |
| 127 // then we keep ticking the SynchronousCompositor so it can make progress. | 123 // then we keep ticking the SynchronousCompositor so it can make progress. |
| 128 // Do this in a two stage tick due to native MessageLoop favors delayed task, | 124 // Do this in a two stage tick due to native MessageLoop favors delayed task, |
| 129 // so ensure delayed task is inserted only after the draw task returns. | 125 // so ensure delayed task is inserted only after the draw task returns. |
| 130 void PostFallbackTick(); | 126 void PostFallbackTick(); |
| 131 void FallbackTickFired(); | 127 void FallbackTickFired(); |
| 132 | 128 |
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| 159 bool on_new_picture_enable_; | 155 bool on_new_picture_enable_; |
| 160 bool clear_view_; | 156 bool clear_view_; |
| 161 | 157 |
| 162 gfx::Vector2d last_on_draw_scroll_offset_; | 158 gfx::Vector2d last_on_draw_scroll_offset_; |
| 163 gfx::Rect last_on_draw_global_visible_rect_; | 159 gfx::Rect last_on_draw_global_visible_rect_; |
| 164 | 160 |
| 165 // The draw constraints from the parent compositor. These are only used for | 161 // The draw constraints from the parent compositor. These are only used for |
| 166 // tiling priority. | 162 // tiling priority. |
| 167 ParentCompositorDrawConstraints parent_draw_constraints_; | 163 ParentCompositorDrawConstraints parent_draw_constraints_; |
| 168 | 164 |
| 169 // Used to run invalidate after the pending invalidate is done. | |
| 170 bool invalidate_after_composite_; | |
| 171 | |
| 172 // Used to block additional invalidates while one is pending. | 165 // Used to block additional invalidates while one is pending. |
| 173 bool block_invalidates_; | 166 bool block_invalidates_; |
| 174 | 167 |
| 175 base::CancelableClosure post_fallback_tick_; | 168 base::CancelableClosure post_fallback_tick_; |
| 176 base::CancelableClosure fallback_tick_fired_; | 169 base::CancelableClosure fallback_tick_fired_; |
| 177 bool fallback_tick_pending_; | 170 bool fallback_tick_pending_; |
| 178 | 171 |
| 179 gfx::Size size_; | 172 gfx::Size size_; |
| 180 | 173 |
| 181 // Current scroll offset in CSS pixels. | 174 // Current scroll offset in CSS pixels. |
| 182 gfx::Vector2dF scroll_offset_dip_; | 175 gfx::Vector2dF scroll_offset_dip_; |
| 183 | 176 |
| 184 // Max scroll offset in CSS pixels. | 177 // Max scroll offset in CSS pixels. |
| 185 gfx::Vector2dF max_scroll_offset_dip_; | 178 gfx::Vector2dF max_scroll_offset_dip_; |
| 186 | 179 |
| 187 // Used to prevent rounding errors from accumulating enough to generate | 180 // Used to prevent rounding errors from accumulating enough to generate |
| 188 // visible skew (especially noticeable when scrolling up and down in the same | 181 // visible skew (especially noticeable when scrolling up and down in the same |
| 189 // spot over a period of time). | 182 // spot over a period of time). |
| 190 gfx::Vector2dF overscroll_rounding_error_; | 183 gfx::Vector2dF overscroll_rounding_error_; |
| 191 | 184 |
| 192 DISALLOW_COPY_AND_ASSIGN(BrowserViewRenderer); | 185 DISALLOW_COPY_AND_ASSIGN(BrowserViewRenderer); |
| 193 }; | 186 }; |
| 194 | 187 |
| 195 } // namespace android_webview | 188 } // namespace android_webview |
| 196 | 189 |
| 197 #endif // ANDROID_WEBVIEW_BROWSER_BROWSER_VIEW_RENDERER_H_ | 190 #endif // ANDROID_WEBVIEW_BROWSER_BROWSER_VIEW_RENDERER_H_ |
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