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Pass OnPaint callback in constructor

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This can catch the paint events happened before onload event.
This commit is contained in:
Cheng Zhao 2016-08-04 13:03:24 +09:00
parent 32d9382417
commit 530fcc8de1
5 changed files with 21 additions and 29 deletions
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15
atom/browser/osr/osr_render_widget_host_view.cc
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@ -338,15 +338,17 @@ class AtomBeginFrameTimer : public cc::DelayBasedTimeSourceClient {
OffScreenRenderWidgetHostView::OffScreenRenderWidgetHostView(
bool transparent,
const OnPaintCallback& callback,
content::RenderWidgetHost* host,
NativeWindow* native_window)
: render_widget_host_(content::RenderWidgetHostImpl::From(host)),
native_window_(native_window),
software_output_device_(nullptr),
transparent_(transparent),
callback_(callback),
frame_rate_(60),
frame_rate_threshold_ms_(0),
last_time_(base::Time::Now()),
transparent_(transparent),
scale_factor_(kDefaultScaleFactor),
is_showing_(!render_widget_host_->is_hidden()),
size_(native_window->GetSize()),
@ -783,20 +785,13 @@ void OffScreenRenderWidgetHostView::OnSetNeedsBeginFrames(bool enabled) {
}
}
void OffScreenRenderWidgetHostView::SetPaintCallback(
const OnPaintCallback& callback) {
callback_ = callback;
}
void OffScreenRenderWidgetHostView::OnPaint(
const gfx::Rect& damage_rect,
const gfx::Size& bitmap_size,
const int pixel_size,
int pixel_size,
void* bitmap_pixels) {
TRACE_EVENT0("electron", "OffScreenRenderWidgetHostView::OnPaint");
if (!callback_.is_null())
callback_.Run(damage_rect, bitmap_size, pixel_size, bitmap_pixels);
callback_.Run(damage_rect, bitmap_size, pixel_size, bitmap_pixels);
}
void OffScreenRenderWidgetHostView::SetPainting(bool painting) {