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Unified Diff: components/html_viewer/global_state.cc

Issue 1677293002: Bye bye Mandoline (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: moar Created 4 years, 10 months ago
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Index: components/html_viewer/global_state.cc
diff --git a/components/html_viewer/global_state.cc b/components/html_viewer/global_state.cc
deleted file mode 100644
index f84bcb45532202e7509fce8653de3a5f8cd17c51..0000000000000000000000000000000000000000
--- a/components/html_viewer/global_state.cc
+++ /dev/null
@@ -1,205 +0,0 @@
-// Copyright 2015 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 "components/html_viewer/global_state.h"
-
-#include <stddef.h>
-#include <string>
-#include <utility>
-
-#include "base/bind.h"
-#include "base/command_line.h"
-#include "base/logging.h"
-#include "build/build_config.h"
-#include "cc/blink/web_layer_impl.h"
-#include "cc/layers/layer_settings.h"
-#include "components/html_viewer/blink_platform_impl.h"
-#include "components/html_viewer/blink_settings_impl.h"
-#include "components/html_viewer/media_factory.h"
-#include "components/scheduler/renderer/renderer_scheduler.h"
-#include "gin/v8_initializer.h"
-#include "mojo/logging/init_logging.h"
-#include "mojo/services/tracing/public/cpp/tracing_impl.h"
-#include "mojo/shell/public/cpp/shell.h"
-#include "third_party/WebKit/public/web/WebKit.h"
-#include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/base/ui_base_paths.h"
-#include "ui/gfx/display.h"
-#include "ui/mojo/init/ui_init.h"
-#include "v8/include/v8.h"
-
-#if defined(OS_LINUX) && !defined(OS_ANDROID)
-#include "components/font_service/public/cpp/font_loader.h"
-#endif
-
-namespace html_viewer {
-
-namespace {
-
-// Disables support for (unprefixed) Encrypted Media Extensions.
-const char kDisableEncryptedMedia[] = "disable-encrypted-media";
-
-// Specifies the flags passed to JS engine.
-const char kJavaScriptFlags[] = "js-flags";
-
-size_t kDesiredMaxMemory = 20 * 1024 * 1024;
-
-// Paths resources are loaded from.
-const char kResourceResourcesPak[] = "html_viewer.pak";
-#if defined(V8_USE_EXTERNAL_STARTUP_DATA)
-const char kResourceNativesBlob[] = "natives_blob.bin";
-const char kResourceSnapshotBlob[] = "snapshot_blob.bin";
-#endif
-
-std::set<std::string> GetResourcePaths() {
- std::set<std::string> paths;
- paths.insert(kResourceResourcesPak);
-#if defined(V8_USE_EXTERNAL_STARTUP_DATA)
- paths.insert(kResourceNativesBlob);
- paths.insert(kResourceSnapshotBlob);
-#endif
- return paths;
-}
-
-// TODO(sky): convert to using DisplayService.
-std::vector<gfx::Display> DisplaysFromSizeAndScale(
- const gfx::Size& screen_size_in_pixels,
- float device_pixel_ratio) {
- std::vector<gfx::Display> displays(1);
- displays[0].set_id(2000);
- displays[0].SetScaleAndBounds(device_pixel_ratio,
- gfx::Rect(screen_size_in_pixels));
- return displays;
-}
-
-} // namespace
-
-GlobalState::GlobalState(mojo::Shell* shell, const std::string& url)
- : shell_(shell),
- resource_loader_(shell, GetResourcePaths()),
- did_init_(false),
- device_pixel_ratio_(1.f),
- discardable_memory_allocator_(kDesiredMaxMemory),
- compositor_thread_("compositor thread"),
- blink_settings_(new BlinkSettingsImpl()) {
- tracing_.Initialize(shell, url);
-}
-
-GlobalState::~GlobalState() {
- if (blink_platform_) {
- renderer_scheduler_->Shutdown();
- blink::shutdown();
- }
-#if defined(OS_LINUX) && !defined(OS_ANDROID)
- if (font_loader_.get()) {
- SkFontConfigInterface::SetGlobal(nullptr);
- // FontLoader is ref counted. We need to explicitly shutdown the background
- // thread, otherwise the background thread may be shutdown after the app is
- // torn down, when we're in a bad state.
- font_loader_->Shutdown();
- }
-#endif
-}
-
-void GlobalState::InitIfNecessary(const gfx::Size& screen_size_in_pixels,
- float device_pixel_ratio) {
- if (did_init_)
- return;
-
- DCHECK_NE(0.f, device_pixel_ratio);
-
- did_init_ = true;
- device_pixel_ratio_ = device_pixel_ratio;
- screen_size_in_pixels_ = screen_size_in_pixels;
-
- if (!resource_loader_.BlockUntilLoaded()) {
- // Assume on error we're being shut down.
- shell_->Quit();
- return;
- }
-
-#if defined(OS_LINUX) && !defined(OS_ANDROID)
- font_loader_ = skia::AdoptRef(new font_service::FontLoader(shell_));
- SkFontConfigInterface::SetGlobal(font_loader_.get());
-#endif
-
- ui_init_.reset(new ui::mojo::UIInit(
- DisplaysFromSizeAndScale(screen_size_in_pixels_, device_pixel_ratio_)));
- base::DiscardableMemoryAllocator::SetInstance(&discardable_memory_allocator_);
-
- shell_->ConnectToService("mojo:mus", &gpu_service_);
- gpu_service_->GetGpuInfo(base::Bind(&GlobalState::GetGpuInfoCallback,
- base::Unretained(this)));
-
- // Use new animation system (cc::AnimationHost).
- cc::LayerSettings layer_settings;
- layer_settings.use_compositor_animation_timelines = true;
- cc_blink::WebLayerImpl::SetLayerSettings(layer_settings);
- blink::WebRuntimeFeatures::enableCompositorAnimationTimelines(true);
-
- renderer_scheduler_ = scheduler::RendererScheduler::Create();
- blink_platform_.reset(
- new BlinkPlatformImpl(this, shell_, renderer_scheduler_.get()));
-#if defined(V8_USE_EXTERNAL_STARTUP_DATA)
- gin::V8Initializer::LoadV8SnapshotFromFD(
- resource_loader_.ReleaseFile(kResourceSnapshotBlob).TakePlatformFile(),
- 0u, 0u);
- gin::V8Initializer::LoadV8NativesFromFD(
- resource_loader_.ReleaseFile(kResourceNativesBlob).TakePlatformFile(), 0u,
- 0u);
-#endif
- blink::initialize(blink_platform_.get());
- base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
- base::File pak_file = resource_loader_.ReleaseFile(kResourceResourcesPak);
-
- bool initialize_ui = true;
-#if defined(COMPONENT_BUILD)
- if (command_line->HasSwitch("single-process"))
- initialize_ui = false;
-#endif
- if (initialize_ui) {
- ui::RegisterPathProvider();
- base::File pak_file_2 = pak_file.Duplicate();
- ui::ResourceBundle::InitSharedInstanceWithPakFileRegion(
- std::move(pak_file_2), base::MemoryMappedFile::Region::kWholeFile);
- }
-
- mojo::InitLogging();
-
- if (command_line->HasSwitch(kDisableEncryptedMedia))
- blink::WebRuntimeFeatures::enableEncryptedMedia(false);
-
- blink_settings_->Init();
-
- // TODO(sky): why is this always using 100?
- ui::ResourceBundle::GetSharedInstance().AddDataPackFromFile(
- std::move(pak_file), ui::SCALE_FACTOR_100P);
-
- compositor_thread_.Start();
-
- media_factory_.reset(
- new MediaFactory(compositor_thread_.task_runner(), shell_));
-
- if (command_line->HasSwitch(kJavaScriptFlags)) {
- std::string flags(command_line->GetSwitchValueASCII(kJavaScriptFlags));
- v8::V8::SetFlagsFromString(flags.c_str(), static_cast<int>(flags.size()));
- }
-}
-
-// TODO(rjkroege): These two functions probably do not interoperate correctly
-// with MUS.
-const mus::mojom::GpuInfo* GlobalState::GetGpuInfo() {
- if (gpu_service_)
- CHECK(gpu_service_.WaitForIncomingResponse()) <<"Get GPU info failed!";
- return gpu_info_.get();
-}
-
-void GlobalState::GetGpuInfoCallback(mus::mojom::GpuInfoPtr gpu_info) {
- CHECK(gpu_info);
- gpu_info_ = std::move(gpu_info);
- gpu_service_.reset();
-}
-
-} // namespace html_viewer
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