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Merge pull request #8839 from brenca/offscreen-child-window

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Offscreen rendering enhancements
This commit is contained in:
Cheng Zhao 2017-05-11 20:52:47 +09:00 • committed by GitHub
commit 1b1c663b32
16 changed files with 675 additions and 285 deletions
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35
atom/browser/api/atom_api_web_contents.cc
View file

@ -49,6 +49,7 @@
#include "chrome/browser/ssl/security_state_tab_helper.h"
#include "content/browser/frame_host/navigation_entry_impl.h"
#include "content/browser/renderer_host/render_widget_host_impl.h"
#include "content/browser/renderer_host/render_widget_host_view_base.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/common/view_messages.h"
#include "content/public/browser/favicon_status.h"
@ -316,6 +317,9 @@ WebContents::WebContents(v8::Isolate* isolate, const mate::Dictionary& options)
else if (options.Get("offscreen", &b) && b)
type_ = OFF_SCREEN;
// Init embedder earlier
options.Get("embedder", &embedder_);
// Whether to enable DevTools.
options.Get("devTools", &enable_devtools_);
@ -340,7 +344,18 @@ WebContents::WebContents(v8::Isolate* isolate, const mate::Dictionary& options)
session->browser_context(), site_instance);
guest_delegate_.reset(new WebViewGuestDelegate);
params.guest_delegate = guest_delegate_.get();
web_contents = content::WebContents::Create(params);
if (embedder_ && embedder_->IsOffScreen()) {
auto* view = new OffScreenWebContentsView(false,
base::Bind(&WebContents::OnPaint, base::Unretained(this)));
params.view = view;
params.delegate_view = view;
web_contents = content::WebContents::Create(params);
view->SetWebContents(web_contents);
} else {
web_contents = content::WebContents::Create(params);
}
} else if (IsOffScreen()) {
bool transparent = false;
options.Get("transparent", &transparent);
@ -390,7 +405,7 @@ void WebContents::InitWithSessionAndOptions(v8::Isolate* isolate,
guest_delegate_->Initialize(this);
NativeWindow* owner_window = nullptr;
if (options.Get("embedder", &embedder_) && embedder_) {
if (embedder_) {
// New WebContents's owner_window is the embedder's owner_window.
auto relay =
NativeWindowRelay::FromWebContents(embedder_->web_contents());
@ -1404,18 +1419,16 @@ bool WebContents::SendIPCMessage(bool all_frames,
void WebContents::SendInputEvent(v8::Isolate* isolate,
v8::Local<v8::Value> input_event) {
const auto view = web_contents()->GetRenderWidgetHostView();
const auto view = static_cast<content::RenderWidgetHostViewBase*>(
web_contents()->GetRenderWidgetHostView());
if (!view)
return;
const auto host = view->GetRenderWidgetHost();
if (!host)
return;
int type = mate::GetWebInputEventType(isolate, input_event);
if (blink::WebInputEvent::isMouseEventType(type)) {
blink::WebMouseEvent mouse_event;
if (mate::ConvertFromV8(isolate, input_event, &mouse_event)) {
host->ForwardMouseEvent(mouse_event);
view->ProcessMouseEvent(mouse_event, ui::LatencyInfo());
return;
}
} else if (blink::WebInputEvent::isKeyboardEventType(type)) {
@ -1424,13 +1437,13 @@ void WebContents::SendInputEvent(v8::Isolate* isolate,
blink::WebInputEvent::NoModifiers,
ui::EventTimeForNow());
if (mate::ConvertFromV8(isolate, input_event, &keyboard_event)) {
host->ForwardKeyboardEvent(keyboard_event);
view->ProcessKeyboardEvent(keyboard_event);
return;
}
} else if (type == blink::WebInputEvent::MouseWheel) {
blink::WebMouseWheelEvent mouse_wheel_event;
if (mate::ConvertFromV8(isolate, input_event, &mouse_wheel_event)) {
host->ForwardWheelEvent(mouse_wheel_event);
view->ProcessMouseWheelEvent(mouse_wheel_event, ui::LatencyInfo());
return;
}
}
@ -1567,9 +1580,7 @@ bool WebContents::IsOffScreen() const {
}
void WebContents::OnPaint(const gfx::Rect& dirty_rect, const SkBitmap& bitmap) {
mate::Handle<NativeImage> image =
NativeImage::Create(isolate(), gfx::Image::CreateFrom1xBitmap(bitmap));
Emit("paint", dirty_rect, image);
Emit("paint", dirty_rect, gfx::Image::CreateFrom1xBitmap(bitmap));
}
void WebContents::StartPainting() {