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| 1 // Copyright (c) 2015 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2015 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 #include "content/browser/devtools/devtools_frame_trace_recorder.h" | 5 #include "content/browser/devtools/devtools_frame_trace_recorder.h" |
| 6 | 6 |
| 7 #include <stddef.h> | 7 #include <stddef.h> |
| 8 | 8 |
| 9 #include <string> | 9 #include <string> |
| 10 #include <vector> | 10 #include <vector> |
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| 76 return; | 76 return; |
| 77 base::subtle::NoBarrier_AtomicIncrement(&frame_data_count, 1); | 77 base::subtle::NoBarrier_AtomicIncrement(&frame_data_count, 1); |
| 78 TRACE_EVENT_OBJECT_SNAPSHOT_WITH_ID_AND_TIMESTAMP( | 78 TRACE_EVENT_OBJECT_SNAPSHOT_WITH_ID_AND_TIMESTAMP( |
| 79 TRACE_DISABLED_BY_DEFAULT("devtools.screenshot"), "Screenshot", 1, | 79 TRACE_DISABLED_BY_DEFAULT("devtools.screenshot"), "Screenshot", 1, |
| 80 timestamp, | 80 timestamp, |
| 81 std::unique_ptr<base::trace_event::ConvertableToTraceFormat>( | 81 std::unique_ptr<base::trace_event::ConvertableToTraceFormat>( |
| 82 new TraceableDevToolsScreenshot(bitmap))); | 82 new TraceableDevToolsScreenshot(bitmap))); |
| 83 } | 83 } |
| 84 | 84 |
| 85 void CaptureFrame(RenderFrameHostImpl* host, | 85 void CaptureFrame(RenderFrameHostImpl* host, |
| 86 const cc::CompositorFrameMetadata& metadata) { | 86 const cc::CompositorFrameMetadata& metadata) { |
| 87 RenderWidgetHostViewBase* view = | 87 RenderWidgetHostViewBase* view = |
| 88 static_cast<RenderWidgetHostViewBase*>(host->GetView()); | 88 static_cast<RenderWidgetHostViewBase*>(host->GetView()); |
| 89 if (!view) | 89 if (!view) |
| 90 return; | 90 return; |
| 91 int current_frame_count = base::subtle::NoBarrier_Load(&frame_data_count); | 91 int current_frame_count = base::subtle::NoBarrier_Load(&frame_data_count); |
| 92 if (current_frame_count >= kMaximumFrameDataCount) | 92 if (current_frame_count >= kMaximumFrameDataCount) |
| 93 return; | 93 return; |
| 94 | 94 |
| 95 gfx::Size src_size = gfx::ToCeiledSize(gfx::ScaleSize( | 95 gfx::Size predicted_bitmap_size = gfx::ToCeiledSize(gfx::ScaleSize( |
| 96 metadata.scrollable_viewport_size, metadata.page_scale_factor)); | 96 metadata.scrollable_viewport_size, metadata.page_scale_factor)); |
| 97 gfx::Size snapshot_size; | 97 gfx::Size snapshot_size; |
| 98 float area = src_size.GetArea(); | 98 float area = predicted_bitmap_size.GetArea(); |
| 99 if (area <= kFrameAreaLimit) { | 99 if (area <= kFrameAreaLimit) { |
| 100 snapshot_size = src_size; | 100 snapshot_size = predicted_bitmap_size; |
| 101 } else { | 101 } else { |
| 102 double scale = sqrt(kFrameAreaLimit / area); | 102 double scale = sqrt(kFrameAreaLimit / area); |
| 103 snapshot_size = gfx::ScaleToCeiledSize(src_size, scale); | 103 snapshot_size = gfx::ScaleToCeiledSize(predicted_bitmap_size, scale); |
| 104 } | 104 } |
| 105 | 105 |
| 106 view->CopyFromCompositingSurface( | 106 view->CopyFromSurface(gfx::Rect(), snapshot_size, |
| 107 gfx::Rect(gfx::Point(), src_size), snapshot_size, | 107 base::Bind(FrameCaptured, base::TimeTicks::Now()), |
| 108 base::Bind(FrameCaptured, base::TimeTicks::Now()), | 108 kN32_SkColorType); |
| 109 kN32_SkColorType); | |
| 110 } | 109 } |
| 111 | 110 |
| 112 bool ScreenshotCategoryEnabled() { | 111 bool ScreenshotCategoryEnabled() { |
| 113 bool enabled; | 112 bool enabled; |
| 114 TRACE_EVENT_CATEGORY_GROUP_ENABLED( | 113 TRACE_EVENT_CATEGORY_GROUP_ENABLED( |
| 115 TRACE_DISABLED_BY_DEFAULT("devtools.screenshot"), &enabled); | 114 TRACE_DISABLED_BY_DEFAULT("devtools.screenshot"), &enabled); |
| 116 return enabled; | 115 return enabled; |
| 117 } | 116 } |
| 118 | 117 |
| 119 } // namespace | 118 } // namespace |
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| 140 | 139 |
| 141 bool is_new_trace; | 140 bool is_new_trace; |
| 142 TRACE_EVENT_IS_NEW_TRACE(&is_new_trace); | 141 TRACE_EVENT_IS_NEW_TRACE(&is_new_trace); |
| 143 if (!is_new_trace && last_metadata_) | 142 if (!is_new_trace && last_metadata_) |
| 144 CaptureFrame(host, *last_metadata_); | 143 CaptureFrame(host, *last_metadata_); |
| 145 last_metadata_.reset(new cc::CompositorFrameMetadata); | 144 last_metadata_.reset(new cc::CompositorFrameMetadata); |
| 146 *last_metadata_ = frame_metadata.Clone(); | 145 *last_metadata_ = frame_metadata.Clone(); |
| 147 } | 146 } |
| 148 | 147 |
| 149 } // namespace content | 148 } // namespace content |
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