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This CL teaches the Sky compositor to record an SkPicture instead of just drawing in immediate mode. Using an SkPicture will let us experiment with various optimizations in Skia that preprocess the SkPicture before translating the Skia commands to GL commands. This CL also refactors the "display delegate" system now that we can hand off an SkPicture to a rasterization backend. The new design requires fewer backpointers and removes the static display delegate factory. R=eseidel@google.com Review URL: https://codereview.chromium.org/854303002
328 lines
11 KiB
C++
328 lines
11 KiB
C++
// Copyright 2014 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "sky/viewer/document_view.h"
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#include "base/bind.h"
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#include "base/location.h"
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#include "base/message_loop/message_loop_proxy.h"
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#include "base/single_thread_task_runner.h"
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#include "base/strings/string_util.h"
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#include "base/thread_task_runner_handle.h"
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#include "mojo/converters/geometry/geometry_type_converters.h"
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#include "mojo/public/cpp/application/connect.h"
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#include "mojo/public/cpp/system/data_pipe.h"
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#include "mojo/public/interfaces/application/shell.mojom.h"
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#include "mojo/services/surfaces/public/interfaces/surfaces_service.mojom.h"
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#include "mojo/services/view_manager/public/cpp/view.h"
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#include "mojo/services/view_manager/public/cpp/view_manager.h"
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#include "skia/ext/refptr.h"
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#include "sky/compositor/layer.h"
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#include "sky/compositor/layer_host.h"
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#include "sky/compositor/rasterizer_bitmap.h"
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#include "sky/compositor/rasterizer_ganesh.h"
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#include "sky/engine/public/platform/Platform.h"
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#include "sky/engine/public/platform/WebHTTPHeaderVisitor.h"
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#include "sky/engine/public/platform/WebInputEvent.h"
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#include "sky/engine/public/platform/WebScreenInfo.h"
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#include "sky/engine/public/web/Sky.h"
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#include "sky/engine/public/web/WebConsoleMessage.h"
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#include "sky/engine/public/web/WebDocument.h"
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#include "sky/engine/public/web/WebElement.h"
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#include "sky/engine/public/web/WebLocalFrame.h"
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#include "sky/engine/public/web/WebScriptSource.h"
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#include "sky/engine/public/web/WebSettings.h"
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#include "sky/engine/public/web/WebView.h"
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#include "sky/engine/v8_inspector/inspector_backend_mojo.h"
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#include "sky/engine/v8_inspector/inspector_host.h"
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#include "sky/viewer/converters/input_event_types.h"
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#include "sky/viewer/converters/url_request_types.h"
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#include "sky/viewer/internals.h"
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#include "sky/viewer/platform/weburlloader_impl.h"
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#include "sky/viewer/runtime_flags.h"
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#include "sky/viewer/script/script_runner.h"
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#include "third_party/skia/include/core/SkCanvas.h"
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#include "third_party/skia/include/core/SkColor.h"
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#include "third_party/skia/include/core/SkDevice.h"
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#include "v8/include/v8.h"
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namespace sky {
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namespace {
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void ConfigureSettings(blink::WebSettings* settings) {
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settings->setDefaultFixedFontSize(13);
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settings->setDefaultFontSize(16);
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settings->setLoadsImagesAutomatically(true);
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}
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mojo::Target WebNavigationPolicyToNavigationTarget(
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blink::WebNavigationPolicy policy) {
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switch (policy) {
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case blink::WebNavigationPolicyCurrentTab:
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return mojo::TARGET_SOURCE_NODE;
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case blink::WebNavigationPolicyNewBackgroundTab:
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case blink::WebNavigationPolicyNewForegroundTab:
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case blink::WebNavigationPolicyNewWindow:
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case blink::WebNavigationPolicyNewPopup:
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return mojo::TARGET_NEW_NODE;
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default:
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return mojo::TARGET_DEFAULT;
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}
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}
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} // namespace
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static int s_next_debugger_id = 1;
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DocumentView::DocumentView(
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mojo::InterfaceRequest<mojo::ServiceProvider> services,
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mojo::ServiceProviderPtr exported_services,
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mojo::URLResponsePtr response,
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mojo::Shell* shell)
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: response_(response.Pass()),
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shell_(shell),
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web_view_(nullptr),
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root_(nullptr),
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view_manager_client_factory_(shell_, this),
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inspector_service_factory_(this),
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bitmap_rasterizer_(nullptr),
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debugger_id_(s_next_debugger_id++),
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weak_factory_(this) {
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// TODO(jamesr): Is this right?
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exported_services_.AddService(&view_manager_client_factory_);
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mojo::WeakBindToPipe(&exported_services_, services.PassMessagePipe());
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}
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DocumentView::~DocumentView() {
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if (web_view_)
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web_view_->close();
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if (root_)
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root_->RemoveObserver(this);
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}
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base::WeakPtr<DocumentView> DocumentView::GetWeakPtr() {
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return weak_factory_.GetWeakPtr();
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}
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void DocumentView::OnEmbed(
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mojo::View* root,
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mojo::ServiceProviderImpl* exported_services,
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scoped_ptr<mojo::ServiceProvider> imported_services) {
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root_ = root;
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imported_services_ = imported_services.Pass();
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navigator_host_.set_service_provider(imported_services_.get());
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exported_services->AddService(&inspector_service_factory_);
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Load(response_.Pass());
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auto& bounds = root_->bounds();
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float device_pixel_ratio = GetDevicePixelRatio();
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web_view_->resize(blink::WebSize(bounds.width / device_pixel_ratio,
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bounds.height / device_pixel_ratio));
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// TODO(abarth): We should ask the view whether it is focused instead of
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// assuming that we're focused.
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web_view_->setFocus(true);
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root_->AddObserver(this);
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}
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void DocumentView::OnViewManagerDisconnected(mojo::ViewManager* view_manager) {
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// TODO(aa): Need to figure out how shutdown works.
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}
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void DocumentView::Load(mojo::URLResponsePtr response) {
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web_view_ = blink::WebView::create(this);
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ConfigureSettings(web_view_->settings());
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web_view_->setMainFrame(blink::WebLocalFrame::create(this));
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web_view_->mainFrame()->load(GURL(response->url), response->body.Pass());
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}
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void DocumentView::initializeLayerTreeView() {
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layer_host_.reset(new LayerHost(this));
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root_layer_ = make_scoped_refptr(new Layer(this));
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root_layer_->set_rasterizer(CreateRasterizer());
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layer_host_->SetRootLayer(root_layer_);
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}
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scoped_ptr<Rasterizer> DocumentView::CreateRasterizer() {
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if (!RuntimeFlags::Get().testing())
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return make_scoped_ptr(new RasterizerGanesh(layer_host_.get()));
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// TODO(abarth): If we have more than one layer, we'll need to re-think how
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// we capture pixels for testing;
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DCHECK(!bitmap_rasterizer_);
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bitmap_rasterizer_ = new RasterizerBitmap(layer_host_.get());
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return make_scoped_ptr(bitmap_rasterizer_);
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}
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void DocumentView::GetPixelsForTesting(std::vector<unsigned char>* pixels) {
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DCHECK(RuntimeFlags::Get().testing()) << "Requires testing runtime flag";
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DCHECK(root_layer_) << "The root layer owns the rasterizer";
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return bitmap_rasterizer_->GetPixelsForTesting(pixels);
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}
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mojo::Shell* DocumentView::GetShell() {
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return shell_;
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}
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void DocumentView::BeginFrame(base::TimeTicks frame_time) {
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double frame_time_sec = (frame_time - base::TimeTicks()).InSecondsF();
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double deadline_sec = frame_time_sec;
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double interval_sec = 1.0/60;
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blink::WebBeginFrameArgs web_begin_frame_args(
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frame_time_sec, deadline_sec, interval_sec);
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web_view_->beginFrame(web_begin_frame_args);
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web_view_->layout();
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blink::WebSize size = web_view_->size();
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float device_pixel_ratio = GetDevicePixelRatio();
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root_layer_->SetSize(gfx::Size(size.width * device_pixel_ratio,
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size.height * device_pixel_ratio));
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}
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void DocumentView::OnSurfaceIdAvailable(mojo::SurfaceIdPtr surface_id) {
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if (root_)
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root_->SetSurfaceId(surface_id.Pass());
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}
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void DocumentView::PaintContents(SkCanvas* canvas, const gfx::Rect& clip) {
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blink::WebRect rect(clip.x(), clip.y(), clip.width(), clip.height());
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web_view_->paint(canvas, rect);
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}
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void DocumentView::scheduleAnimation() {
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DCHECK(web_view_);
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layer_host_->SetNeedsAnimate();
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}
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blink::WebScreenInfo DocumentView::screenInfo() {
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DCHECK(root_);
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auto& metrics = root_->viewport_metrics();
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blink::WebScreenInfo screen;
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screen.rect = blink::WebRect(0, 0, metrics.size->width, metrics.size->height);
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screen.availableRect = screen.rect;
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screen.deviceScaleFactor = metrics.device_pixel_ratio;
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return screen;
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}
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mojo::View* DocumentView::createChildFrame(const blink::WebURL& url) {
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if (!root_)
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return nullptr;
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mojo::View* child = root_->view_manager()->CreateView();
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child->SetVisible(true);
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root_->AddChild(child);
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child->Embed(mojo::String::From(url.string().utf8()));
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return child;
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}
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void DocumentView::frameDetached(blink::WebFrame* frame) {
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// |frame| is invalid after here.
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frame->close();
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}
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float DocumentView::GetDevicePixelRatio() const {
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if (root_)
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return root_->viewport_metrics().device_pixel_ratio;
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return 1.f;
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}
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blink::WebNavigationPolicy DocumentView::decidePolicyForNavigation(
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const blink::WebFrameClient::NavigationPolicyInfo& info) {
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navigator_host_->RequestNavigate(
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WebNavigationPolicyToNavigationTarget(info.defaultPolicy),
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mojo::URLRequest::From(info.urlRequest).Pass());
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return blink::WebNavigationPolicyIgnore;
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}
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void DocumentView::didAddMessageToConsole(
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const blink::WebConsoleMessage& message,
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const blink::WebString& source_name,
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unsigned source_line,
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const blink::WebString& stack_trace) {
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}
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void DocumentView::didCreateScriptContext(blink::WebLocalFrame* frame,
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v8::Handle<v8::Context> context) {
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script_runner_.reset(new ScriptRunner(frame, context));
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v8::Isolate* isolate = context->GetIsolate();
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gin::Handle<Internals> internals = Internals::Create(isolate, this);
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context->Global()->Set(gin::StringToV8(isolate, "internals"),
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gin::ConvertToV8(isolate, internals));
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}
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blink::ServiceProvider& DocumentView::services() {
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return *this;
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}
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mojo::NavigatorHost* DocumentView::NavigatorHost() {
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return navigator_host_.get();
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}
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mojo::Shell* DocumentView::Shell() {
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return shell_;
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}
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void DocumentView::OnViewBoundsChanged(mojo::View* view,
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const mojo::Rect& old_bounds,
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const mojo::Rect& new_bounds) {
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DCHECK_EQ(view, root_);
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gfx::Size size = new_bounds.To<gfx::Rect>().size();
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web_view_->resize(size);
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}
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void DocumentView::OnViewFocusChanged(mojo::View* gained_focus,
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mojo::View* lost_focus) {
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if (root_ == lost_focus) {
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web_view_->setFocus(false);
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} else if (root_ == gained_focus) {
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web_view_->setFocus(true);
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}
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}
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void DocumentView::OnViewDestroyed(mojo::View* view) {
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DCHECK_EQ(view, root_);
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root_ = nullptr;
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}
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void DocumentView::OnViewInputEvent(
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mojo::View* view, const mojo::EventPtr& event) {
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scoped_ptr<blink::WebInputEvent> web_event =
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ConvertEvent(event, GetDevicePixelRatio());
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if (web_event)
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web_view_->handleInputEvent(*web_event);
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}
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class InspectorHostImpl : public inspector::InspectorHost {
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public:
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InspectorHostImpl(blink::WebView* web_view, mojo::Shell* shell)
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: web_view_(web_view), shell_(shell) {}
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virtual ~InspectorHostImpl() {}
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mojo::Shell* GetShell() override { return shell_; }
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v8::Isolate* GetIsolate() override { return blink::mainThreadIsolate(); }
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v8::Local<v8::Context> GetContext() override {
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return web_view_->mainFrame()->mainWorldScriptContext();
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}
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private:
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blink::WebView* web_view_;
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mojo::Shell* shell_;
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};
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void DocumentView::StartDebuggerInspectorBackend() {
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if (!inspector_backend_) {
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inspector_host_.reset(new InspectorHostImpl(web_view_, shell_));
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inspector_backend_.reset(
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new inspector::InspectorBackendMojo(inspector_host_.get()));
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}
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inspector_backend_->Connect();
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}
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} // namespace sky
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