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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/renderer/child_frame_compositing_helper.h"
#include <utility>
#include "cc/blink/web_layer_impl.h"
#include "cc/layers/picture_image_layer.h"
#include "cc/layers/solid_color_layer.h"
#include "cc/layers/surface_layer.h"
#include "cc/output/context_provider.h"
#include "cc/output/copy_output_request.h"
#include "cc/output/copy_output_result.h"
#include "cc/resources/single_release_callback.h"
#include "content/child/thread_safe_sender.h"
#include "content/common/browser_plugin/browser_plugin_messages.h"
#include "content/common/content_switches_internal.h"
#include "content/common/frame_messages.h"
#include "content/common/gpu/client/context_provider_command_buffer.h"
#include "content/public/common/content_client.h"
#include "content/public/renderer/content_renderer_client.h"
#include "content/renderer/browser_plugin/browser_plugin.h"
#include "content/renderer/browser_plugin/browser_plugin_manager.h"
#include "content/renderer/render_frame_impl.h"
#include "content/renderer/render_frame_proxy.h"
#include "content/renderer/render_thread_impl.h"
#include "skia/ext/image_operations.h"
#include "third_party/WebKit/public/web/WebFrame.h"
#include "third_party/WebKit/public/web/WebPluginContainer.h"
#include "third_party/khronos/GLES2/gl2.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "third_party/skia/include/core/SkImage.h"
#include "ui/gfx/geometry/point_f.h"
#include "ui/gfx/geometry/size_conversions.h"
#include "ui/gfx/skia_util.h"
namespace content {
ChildFrameCompositingHelper*
ChildFrameCompositingHelper::CreateForBrowserPlugin(
const base::WeakPtr<BrowserPlugin>& browser_plugin) {
return new ChildFrameCompositingHelper(
browser_plugin, nullptr, nullptr,
browser_plugin->render_frame_routing_id());
}
ChildFrameCompositingHelper*
ChildFrameCompositingHelper::CreateForRenderFrameProxy(
RenderFrameProxy* render_frame_proxy) {
return new ChildFrameCompositingHelper(
base::WeakPtr<BrowserPlugin>(), render_frame_proxy->web_frame(),
render_frame_proxy, render_frame_proxy->routing_id());
}
ChildFrameCompositingHelper::ChildFrameCompositingHelper(
const base::WeakPtr<BrowserPlugin>& browser_plugin,
blink::WebFrame* frame,
RenderFrameProxy* render_frame_proxy,
int host_routing_id)
: host_routing_id_(host_routing_id),
browser_plugin_(browser_plugin),
render_frame_proxy_(render_frame_proxy),
frame_(frame) {}
ChildFrameCompositingHelper::~ChildFrameCompositingHelper() {
}
BrowserPluginManager* ChildFrameCompositingHelper::GetBrowserPluginManager() {
if (!browser_plugin_)
return nullptr;
return BrowserPluginManager::Get();
}
blink::WebPluginContainer* ChildFrameCompositingHelper::GetContainer() {
if (!browser_plugin_)
return nullptr;
return browser_plugin_->container();
}
int ChildFrameCompositingHelper::GetInstanceID() {
if (!browser_plugin_)
return 0;
return browser_plugin_->browser_plugin_instance_id();
}
void ChildFrameCompositingHelper::UpdateWebLayer(blink::WebLayer* layer) {
if (GetContainer()) {
GetContainer()->setWebLayer(layer);
} else if (frame_) {
frame_->setRemoteWebLayer(layer);
}
web_layer_.reset(layer);
}
void ChildFrameCompositingHelper::CheckSizeAndAdjustLayerProperties(
const gfx::Size& new_size,
float device_scale_factor,
cc::Layer* layer) {
if (buffer_size_ != new_size) {
buffer_size_ = new_size;
// The container size is in DIP, so is the layer size.
// Buffer size is in physical pixels, so we need to adjust
// it by the device scale factor.
gfx::Size device_scale_adjusted_size =
gfx::ScaleToFlooredSize(buffer_size_, 1.0f / device_scale_factor);
layer->SetBounds(device_scale_adjusted_size);
}
}
void ChildFrameCompositingHelper::OnContainerDestroy() {
UpdateWebLayer(nullptr);
}
void ChildFrameCompositingHelper::ChildFrameGone() {
scoped_refptr<cc::SolidColorLayer> crashed_layer =
cc::SolidColorLayer::Create();
crashed_layer->SetMasksToBounds(true);
crashed_layer->SetBackgroundColor(SK_ColorBLACK);
if (web_layer_) {
SkBitmap* sad_bitmap =
GetContentClient()->renderer()->GetSadWebViewBitmap();
if (sad_bitmap && web_layer_->bounds().width > sad_bitmap->width() &&
web_layer_->bounds().height > sad_bitmap->height()) {
scoped_refptr<cc::PictureImageLayer> sad_layer =
cc::PictureImageLayer::Create();
skia::RefPtr<SkImage> image =
skia::AdoptRef(SkImage::NewFromBitmap(*sad_bitmap));
sad_layer->SetImage(image);
sad_layer->SetBounds(
gfx::Size(sad_bitmap->width(), sad_bitmap->height()));
sad_layer->SetPosition(gfx::PointF(
(web_layer_->bounds().width - sad_bitmap->width()) / 2,
(web_layer_->bounds().height - sad_bitmap->height()) / 2));
sad_layer->SetIsDrawable(true);
crashed_layer->AddChild(sad_layer);
}
}
blink::WebLayer* layer = new cc_blink::WebLayerImpl(crashed_layer);
UpdateWebLayer(layer);
}
// static
void ChildFrameCompositingHelper::SatisfyCallback(
scoped_refptr<ThreadSafeSender> sender,
int host_routing_id,
cc::SurfaceSequence sequence) {
// This may be called on either the main or impl thread.
sender->Send(new FrameHostMsg_SatisfySequence(host_routing_id, sequence));
}
// static
void ChildFrameCompositingHelper::SatisfyCallbackBrowserPlugin(
scoped_refptr<ThreadSafeSender> sender,
int host_routing_id,
int browser_plugin_instance_id,
cc::SurfaceSequence sequence) {
sender->Send(new BrowserPluginHostMsg_SatisfySequence(
host_routing_id, browser_plugin_instance_id, sequence));
}
// static
void ChildFrameCompositingHelper::RequireCallback(
scoped_refptr<ThreadSafeSender> sender,
int host_routing_id,
cc::SurfaceId id,
cc::SurfaceSequence sequence) {
// This may be called on either the main or impl thread.
sender->Send(new FrameHostMsg_RequireSequence(host_routing_id, id, sequence));
}
void ChildFrameCompositingHelper::RequireCallbackBrowserPlugin(
scoped_refptr<ThreadSafeSender> sender,
int host_routing_id,
int browser_plugin_instance_id,
cc::SurfaceId id,
cc::SurfaceSequence sequence) {
// This may be called on either the main or impl thread.
sender->Send(new BrowserPluginHostMsg_RequireSequence(
host_routing_id, browser_plugin_instance_id, id, sequence));
}
void ChildFrameCompositingHelper::OnSetSurface(
const cc::SurfaceId& surface_id,
const gfx::Size& frame_size,
float scale_factor,
const cc::SurfaceSequence& sequence) {
surface_id_ = surface_id;
scoped_refptr<ThreadSafeSender> sender(
RenderThreadImpl::current()->thread_safe_sender());
cc::SurfaceLayer::SatisfyCallback satisfy_callback =
render_frame_proxy_
? base::Bind(&ChildFrameCompositingHelper::SatisfyCallback, sender,
host_routing_id_)
: base::Bind(
&ChildFrameCompositingHelper::SatisfyCallbackBrowserPlugin,
sender, host_routing_id_,
browser_plugin_->browser_plugin_instance_id());
cc::SurfaceLayer::RequireCallback require_callback =
render_frame_proxy_
? base::Bind(&ChildFrameCompositingHelper::RequireCallback, sender,
host_routing_id_)
: base::Bind(
&ChildFrameCompositingHelper::RequireCallbackBrowserPlugin,
sender, host_routing_id_,
browser_plugin_->browser_plugin_instance_id());
scoped_refptr<cc::SurfaceLayer> surface_layer =
cc::SurfaceLayer::Create(satisfy_callback, require_callback);
// TODO(oshima): This is a stopgap fix so that the compositor does not
// scaledown the content when 2x frame data is added to 1x parent frame data.
// Fix this in cc/.
if (IsUseZoomForDSFEnabled())
scale_factor = 1.0f;
surface_layer->SetSurfaceId(surface_id, scale_factor, frame_size);
surface_layer->SetMasksToBounds(true);
blink::WebLayer* layer = new cc_blink::WebLayerImpl(surface_layer);
UpdateWebLayer(layer);
UpdateVisibility(true);
// The RWHV creates a destruction dependency on the surface that needs to be
// satisfied. Note: render_frame_proxy_ is null in the case our client is a
// BrowserPlugin; in this case the BrowserPlugin sends its own SatisfySequence
// message.
if (render_frame_proxy_) {
render_frame_proxy_->Send(
new FrameHostMsg_SatisfySequence(host_routing_id_, sequence));
} else if (browser_plugin_.get()) {
browser_plugin_->SendSatisfySequence(sequence);
}
CheckSizeAndAdjustLayerProperties(
frame_size, scale_factor,
static_cast<cc_blink::WebLayerImpl*>(web_layer_.get())->layer());
}
void ChildFrameCompositingHelper::UpdateVisibility(bool visible) {
if (web_layer_)
web_layer_->setDrawsContent(visible);
}
} // namespace content
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