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Move capturePage to WebContents

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This commit is contained in:
Kevin Sawicki 2016-07-05 15:43:57 -07:00
parent d42d10a47c
commit f7b72f0948
8 changed files with 67 additions and 79 deletions
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51
atom/browser/api/atom_api_web_contents.cc
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@ -65,6 +65,7 @@
#include "net/url_request/url_request_context.h"
#include "third_party/WebKit/public/web/WebInputEvent.h"
#include "third_party/WebKit/public/web/WebFindOptions.h"
#include "ui/gfx/screen.h"
#include "atom/common/node_includes.h"
@ -1235,6 +1236,55 @@ void WebContents::StartDrag(const mate::Dictionary& item,
}
}
void WebContents::CapturePage(mate::Arguments* args) {
gfx::Rect rect;
base::Callback<void(const gfx::Image&)> callback;
if (!(args->Length() == 1 && args->GetNext(&callback)) &&
!(args->Length() == 2 && args->GetNext(&rect)
&& args->GetNext(&callback))) {
args->ThrowError();
return;
}
const auto view = web_contents()->GetRenderWidgetHostView();
const auto host = view ? view->GetRenderWidgetHost() : nullptr;
if (!view || !host) {
callback.Run(gfx::Image());
return;
}
// Capture full page if user doesn't specify a |rect|.
const gfx::Size view_size = rect.IsEmpty() ? view->GetViewBounds().size() :
rect.size();
// By default, the requested bitmap size is the view size in screen
// coordinates. However, if there's more pixel detail available on the
// current system, increase the requested bitmap size to capture it all.
gfx::Size bitmap_size = view_size;
const gfx::NativeView native_view = view->GetNativeView();
const float scale =
gfx::Screen::GetScreen()->GetDisplayNearestWindow(native_view)
.device_scale_factor();
if (scale > 1.0f)
bitmap_size = gfx::ScaleToCeiledSize(view_size, scale);
host->CopyFromBackingStore(
gfx::Rect(rect.origin(), view_size),
bitmap_size,
base::Bind(&WebContents::OnCapturePageDone, base::Unretained(this), callback),
kBGRA_8888_SkColorType);
}
void WebContents::OnCapturePageDone(
base::Callback<void(const gfx::Image&)> callback,
const SkBitmap& bitmap,
content::ReadbackResponse response) {
v8::Locker locker(isolate());
v8::HandleScope handle_scope(isolate());
callback.Run(gfx::Image::CreateFrom1xBitmap(bitmap));
}
void WebContents::OnCursorChange(const content::WebCursor& cursor) {
content::WebCursor::CursorInfo info;
cursor.GetCursorInfo(&info);
@ -1370,6 +1420,7 @@ void WebContents::BuildPrototype(v8::Isolate* isolate,
.SetMethod("removeWorkSpace", &WebContents::RemoveWorkSpace)
.SetMethod("showDefinitionForSelection",
&WebContents::ShowDefinitionForSelection)
.SetMethod("capturePage", &WebContents::CapturePage)
.SetProperty("id", &WebContents::ID)
.SetProperty("session", &WebContents::Session)
.SetProperty("hostWebContents", &WebContents::HostWebContents)