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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/frame_host/cross_process_frame_connector.h"
#include "content/browser/frame_host/render_frame_proxy_host.h"
#include "content/browser/frame_host/render_widget_host_view_child_frame.h"
#include "content/browser/renderer_host/render_view_host_impl.h"
#include "content/browser/renderer_host/render_widget_host_impl.h"
#include "content/common/frame_messages.h"
#include "content/common/gpu/gpu_messages.h"
#include "third_party/WebKit/public/web/WebInputEvent.h"
namespace content {
CrossProcessFrameConnector::CrossProcessFrameConnector(
RenderFrameProxyHost* frame_proxy_in_parent_renderer)
: frame_proxy_in_parent_renderer_(frame_proxy_in_parent_renderer),
view_(NULL),
device_scale_factor_(1) {
}
CrossProcessFrameConnector::~CrossProcessFrameConnector() {
if (view_)
view_->set_cross_process_frame_connector(NULL);
}
bool CrossProcessFrameConnector::OnMessageReceived(const IPC::Message& msg) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(CrossProcessFrameConnector, msg)
IPC_MESSAGE_HANDLER(FrameHostMsg_CompositorFrameSwappedACK,
OnCompositorFrameSwappedACK)
IPC_MESSAGE_HANDLER(FrameHostMsg_ReclaimCompositorResources,
OnReclaimCompositorResources)
IPC_MESSAGE_HANDLER(FrameHostMsg_ForwardInputEvent, OnForwardInputEvent)
IPC_MESSAGE_HANDLER(FrameHostMsg_InitializeChildFrame,
OnInitializeChildFrame)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void CrossProcessFrameConnector::set_view(
RenderWidgetHostViewChildFrame* view) {
// Detach ourselves from the previous |view_|.
if (view_)
view_->set_cross_process_frame_connector(NULL);
view_ = view;
// Attach ourselves to the new view and size it appropriately.
if (view_) {
view_->set_cross_process_frame_connector(this);
SetDeviceScaleFactor(device_scale_factor_);
SetSize(child_frame_rect_);
}
}
void CrossProcessFrameConnector::RenderProcessGone() {
frame_proxy_in_parent_renderer_->Send(new FrameMsg_ChildFrameProcessGone(
frame_proxy_in_parent_renderer_->GetRoutingID()));
}
void CrossProcessFrameConnector::ChildFrameCompositorFrameSwapped(
uint32 output_surface_id,
int host_id,
int route_id,
scoped_ptr<cc::CompositorFrame> frame) {
FrameMsg_CompositorFrameSwapped_Params params;
frame->AssignTo(¶ms.frame);
params.output_surface_id = output_surface_id;
params.producing_route_id = route_id;
params.producing_host_id = host_id;
frame_proxy_in_parent_renderer_->Send(new FrameMsg_CompositorFrameSwapped(
frame_proxy_in_parent_renderer_->GetRoutingID(), params));
}
void CrossProcessFrameConnector::OnCompositorFrameSwappedACK(
const FrameHostMsg_CompositorFrameSwappedACK_Params& params) {
RenderWidgetHostImpl::SendSwapCompositorFrameAck(params.producing_route_id,
params.output_surface_id,
params.producing_host_id,
params.ack);
}
void CrossProcessFrameConnector::OnReclaimCompositorResources(
const FrameHostMsg_ReclaimCompositorResources_Params& params) {
RenderWidgetHostImpl::SendReclaimCompositorResources(params.route_id,
params.output_surface_id,
params.renderer_host_id,
params.ack);
}
void CrossProcessFrameConnector::OnInitializeChildFrame(gfx::Rect frame_rect,
float scale_factor) {
if (scale_factor != device_scale_factor_)
SetDeviceScaleFactor(scale_factor);
if (!frame_rect.size().IsEmpty())
SetSize(frame_rect);
}
gfx::Rect CrossProcessFrameConnector::ChildFrameRect() {
return child_frame_rect_;
}
void CrossProcessFrameConnector::OnForwardInputEvent(
const blink::WebInputEvent* event) {
if (!view_)
return;
RenderWidgetHostImpl* child_widget =
RenderWidgetHostImpl::From(view_->GetRenderWidgetHost());
RenderWidgetHostImpl* parent_widget =
frame_proxy_in_parent_renderer_->GetRenderViewHost();
if (blink::WebInputEvent::isKeyboardEventType(event->type)) {
if (!parent_widget->GetLastKeyboardEvent())
return;
NativeWebKeyboardEvent keyboard_event(
*parent_widget->GetLastKeyboardEvent());
child_widget->ForwardKeyboardEvent(keyboard_event);
return;
}
if (blink::WebInputEvent::isMouseEventType(event->type)) {
child_widget->ForwardMouseEvent(
*static_cast<const blink::WebMouseEvent*>(event));
return;
}
if (event->type == blink::WebInputEvent::MouseWheel) {
child_widget->ForwardWheelEvent(
*static_cast<const blink::WebMouseWheelEvent*>(event));
return;
}
}
void CrossProcessFrameConnector::SetDeviceScaleFactor(float scale_factor) {
device_scale_factor_ = scale_factor;
if (view_) {
RenderWidgetHostImpl* child_widget =
RenderWidgetHostImpl::From(view_->GetRenderWidgetHost());
child_widget->NotifyScreenInfoChanged();
}
}
void CrossProcessFrameConnector::SetSize(gfx::Rect frame_rect) {
child_frame_rect_ = frame_rect;
if (view_)
view_->SetSize(frame_rect.size());
}
} // namespace content
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