/
inspectable_web_contents_impl.cc
882 lines (748 loc) · 29.2 KB
/
inspectable_web_contents_impl.cc
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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Copyright (c) 2013 Adam Roben <adam@roben.org>. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE-CHROMIUM file.
#include <utility>
#include "brightray/browser/inspectable_web_contents_impl.h"
#include "atom/common/platform_util.h"
#include "base/guid.h"
#include "base/json/json_reader.h"
#include "base/json/json_writer.h"
#include "base/metrics/histogram.h"
#include "base/strings/pattern.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversions.h"
#include "base/values.h"
#include "brightray/browser/browser_client.h"
#include "brightray/browser/browser_context.h"
#include "brightray/browser/browser_main_parts.h"
#include "brightray/browser/inspectable_web_contents_delegate.h"
#include "brightray/browser/inspectable_web_contents_view.h"
#include "brightray/browser/inspectable_web_contents_view_delegate.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/pref_service.h"
#include "components/prefs/scoped_user_pref_update.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/host_zoom_map.h"
#include "content/public/browser/navigation_handle.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/common/user_agent.h"
#include "ipc/ipc_channel.h"
#include "net/http/http_response_headers.h"
#include "net/url_request/url_fetcher.h"
#include "net/url_request/url_fetcher_response_writer.h"
#include "ui/display/display.h"
#include "ui/display/screen.h"
namespace brightray {
namespace {
const double kPresetZoomFactors[] = {0.25, 0.333, 0.5, 0.666, 0.75, 0.9,
1.0, 1.1, 1.25, 1.5, 1.75, 2.0,
2.5, 3.0, 4.0, 5.0};
const char kChromeUIDevToolsURL[] =
"chrome-devtools://devtools/bundled/devtools_app.html?"
"remoteBase=%s&"
"can_dock=%s&"
"toolbarColor=rgba(223,223,223,1)&"
"textColor=rgba(0,0,0,1)&"
"experiments=true";
const char kChromeUIDevToolsRemoteFrontendBase[] =
"https://chrome-devtools-frontend.appspot.com/";
const char kChromeUIDevToolsRemoteFrontendPath[] = "serve_file";
const char kDevToolsBoundsPref[] = "brightray.devtools.bounds";
const char kDevToolsZoomPref[] = "brightray.devtools.zoom";
const char kDevToolsPreferences[] = "brightray.devtools.preferences";
const char kFrontendHostId[] = "id";
const char kFrontendHostMethod[] = "method";
const char kFrontendHostParams[] = "params";
const char kTitleFormat[] = "Developer Tools - %s";
const size_t kMaxMessageChunkSize = IPC::Channel::kMaximumMessageSize / 4;
void RectToDictionary(const gfx::Rect& bounds, base::DictionaryValue* dict) {
dict->SetInteger("x", bounds.x());
dict->SetInteger("y", bounds.y());
dict->SetInteger("width", bounds.width());
dict->SetInteger("height", bounds.height());
}
void DictionaryToRect(const base::DictionaryValue& dict, gfx::Rect* bounds) {
int x = 0, y = 0, width = 800, height = 600;
dict.GetInteger("x", &x);
dict.GetInteger("y", &y);
dict.GetInteger("width", &width);
dict.GetInteger("height", &height);
*bounds = gfx::Rect(x, y, width, height);
}
bool IsPointInRect(const gfx::Point& point, const gfx::Rect& rect) {
return point.x() > rect.x() && point.x() < (rect.width() + rect.x()) &&
point.y() > rect.y() && point.y() < (rect.height() + rect.y());
}
bool IsPointInScreen(const gfx::Point& point) {
for (const auto& display : display::Screen::GetScreen()->GetAllDisplays()) {
if (IsPointInRect(point, display.bounds()))
return true;
}
return false;
}
void SetZoomLevelForWebContents(content::WebContents* web_contents,
double level) {
content::HostZoomMap::SetZoomLevel(web_contents, level);
}
double GetNextZoomLevel(double level, bool out) {
double factor = content::ZoomLevelToZoomFactor(level);
size_t size = arraysize(kPresetZoomFactors);
for (size_t i = 0; i < size; ++i) {
if (!content::ZoomValuesEqual(kPresetZoomFactors[i], factor))
continue;
if (out && i > 0)
return content::ZoomFactorToZoomLevel(kPresetZoomFactors[i - 1]);
if (!out && i != size - 1)
return content::ZoomFactorToZoomLevel(kPresetZoomFactors[i + 1]);
}
return level;
}
GURL GetRemoteBaseURL() {
return GURL(base::StringPrintf("%s%s/%s/",
kChromeUIDevToolsRemoteFrontendBase,
kChromeUIDevToolsRemoteFrontendPath,
content::GetWebKitRevision().c_str()));
}
GURL GetDevToolsURL(bool can_dock) {
auto url_string = base::StringPrintf(kChromeUIDevToolsURL,
GetRemoteBaseURL().spec().c_str(),
can_dock ? "true" : "");
return GURL(url_string);
}
// ResponseWriter -------------------------------------------------------------
class ResponseWriter : public net::URLFetcherResponseWriter {
public:
ResponseWriter(base::WeakPtr<InspectableWebContentsImpl> bindings,
int stream_id);
~ResponseWriter() override;
// URLFetcherResponseWriter overrides:
int Initialize(const net::CompletionCallback& callback) override;
int Write(net::IOBuffer* buffer,
int num_bytes,
const net::CompletionCallback& callback) override;
int Finish(int net_error, const net::CompletionCallback& callback) override;
private:
base::WeakPtr<InspectableWebContentsImpl> bindings_;
int stream_id_;
DISALLOW_COPY_AND_ASSIGN(ResponseWriter);
};
ResponseWriter::ResponseWriter(
base::WeakPtr<InspectableWebContentsImpl> bindings,
int stream_id)
: bindings_(bindings), stream_id_(stream_id) {}
ResponseWriter::~ResponseWriter() {}
int ResponseWriter::Initialize(const net::CompletionCallback& callback) {
return net::OK;
}
int ResponseWriter::Write(net::IOBuffer* buffer,
int num_bytes,
const net::CompletionCallback& callback) {
std::string chunk = std::string(buffer->data(), num_bytes);
if (!base::IsStringUTF8(chunk))
return num_bytes;
base::Value* id = new base::Value(stream_id_);
base::Value* chunk_value = new base::Value(chunk);
content::BrowserThread::PostTask(
content::BrowserThread::UI, FROM_HERE,
base::BindOnce(&InspectableWebContentsImpl::CallClientFunction, bindings_,
"DevToolsAPI.streamWrite", base::Owned(id),
base::Owned(chunk_value), nullptr));
return num_bytes;
}
int ResponseWriter::Finish(int net_error,
const net::CompletionCallback& callback) {
return net::OK;
}
} // namespace
// Implemented separately on each platform.
InspectableWebContentsView* CreateInspectableContentsView(
InspectableWebContentsImpl* inspectable_web_contents_impl);
void InspectableWebContentsImpl::RegisterPrefs(PrefRegistrySimple* registry) {
std::unique_ptr<base::DictionaryValue> bounds_dict(new base::DictionaryValue);
RectToDictionary(gfx::Rect(0, 0, 800, 600), bounds_dict.get());
registry->RegisterDictionaryPref(kDevToolsBoundsPref, std::move(bounds_dict));
registry->RegisterDoublePref(kDevToolsZoomPref, 0.);
registry->RegisterDictionaryPref(kDevToolsPreferences);
}
InspectableWebContentsImpl::InspectableWebContentsImpl(
content::WebContents* web_contents)
: frontend_loaded_(false),
can_dock_(true),
delegate_(nullptr),
web_contents_(web_contents),
weak_factory_(this) {
auto* context =
static_cast<BrowserContext*>(web_contents_->GetBrowserContext());
pref_service_ = context->prefs();
auto* bounds_dict = pref_service_->GetDictionary(kDevToolsBoundsPref);
if (bounds_dict) {
DictionaryToRect(*bounds_dict, &devtools_bounds_);
// Sometimes the devtools window is out of screen or has too small size.
if (devtools_bounds_.height() < 100 || devtools_bounds_.width() < 100) {
devtools_bounds_.set_height(600);
devtools_bounds_.set_width(800);
}
if (!IsPointInScreen(devtools_bounds_.origin())) {
gfx::Rect display;
if (web_contents->GetNativeView()) {
display = display::Screen::GetScreen()
->GetDisplayNearestView(web_contents->GetNativeView())
.bounds();
} else {
display = display::Screen::GetScreen()->GetPrimaryDisplay().bounds();
}
devtools_bounds_.set_x(display.x() +
(display.width() - devtools_bounds_.width()) / 2);
devtools_bounds_.set_y(
display.y() + (display.height() - devtools_bounds_.height()) / 2);
}
}
view_.reset(CreateInspectableContentsView(this));
}
InspectableWebContentsImpl::~InspectableWebContentsImpl() {
// Unsubscribe from devtools and Clean up resources.
if (GetDevToolsWebContents()) {
if (managed_devtools_web_contents_)
managed_devtools_web_contents_->SetDelegate(nullptr);
// Calling this also unsubscribes the observer, so WebContentsDestroyed
// won't be called again.
WebContentsDestroyed();
}
// Let destructor destroy managed_devtools_web_contents_.
}
InspectableWebContentsView* InspectableWebContentsImpl::GetView() const {
return view_.get();
}
content::WebContents* InspectableWebContentsImpl::GetWebContents() const {
return web_contents_.get();
}
content::WebContents* InspectableWebContentsImpl::GetDevToolsWebContents()
const {
if (external_devtools_web_contents_)
return external_devtools_web_contents_;
else
return managed_devtools_web_contents_.get();
}
void InspectableWebContentsImpl::InspectElement(int x, int y) {
if (agent_host_.get())
agent_host_->InspectElement(web_contents_->GetMainFrame(), x, y);
}
void InspectableWebContentsImpl::SetDelegate(
InspectableWebContentsDelegate* delegate) {
delegate_ = delegate;
}
InspectableWebContentsDelegate* InspectableWebContentsImpl::GetDelegate()
const {
return delegate_;
}
void InspectableWebContentsImpl::SetDockState(const std::string& state) {
if (state == "detach") {
can_dock_ = false;
} else {
can_dock_ = true;
dock_state_ = state;
}
}
void InspectableWebContentsImpl::SetDevToolsWebContents(
content::WebContents* devtools) {
if (!managed_devtools_web_contents_)
external_devtools_web_contents_ = devtools;
}
void InspectableWebContentsImpl::ShowDevTools(bool activate) {
if (embedder_message_dispatcher_) {
if (managed_devtools_web_contents_)
view_->ShowDevTools(activate);
return;
}
activate_ = activate;
// Show devtools only after it has done loading, this is to make sure the
// SetIsDocked is called *BEFORE* ShowDevTools.
embedder_message_dispatcher_.reset(
DevToolsEmbedderMessageDispatcher::CreateForDevToolsFrontend(this));
if (!external_devtools_web_contents_) { // no external devtools
managed_devtools_web_contents_.reset(
content::WebContents::Create(content::WebContents::CreateParams(
web_contents_->GetBrowserContext())));
managed_devtools_web_contents_->SetDelegate(this);
}
Observe(GetDevToolsWebContents());
AttachTo(content::DevToolsAgentHost::GetOrCreateFor(web_contents_.get()));
GetDevToolsWebContents()->GetController().LoadURL(
GetDevToolsURL(can_dock_), content::Referrer(),
ui::PAGE_TRANSITION_AUTO_TOPLEVEL, std::string());
}
void InspectableWebContentsImpl::CloseDevTools() {
if (GetDevToolsWebContents()) {
frontend_loaded_ = false;
if (managed_devtools_web_contents_) {
view_->CloseDevTools();
managed_devtools_web_contents_.reset();
}
embedder_message_dispatcher_.reset();
web_contents_->Focus();
}
}
bool InspectableWebContentsImpl::IsDevToolsViewShowing() {
return managed_devtools_web_contents_ && view_->IsDevToolsViewShowing();
}
void InspectableWebContentsImpl::AttachTo(
scoped_refptr<content::DevToolsAgentHost> host) {
if (agent_host_.get())
Detach();
agent_host_ = std::move(host);
// Terminate existing debugging connections and start debugging.
agent_host_->ForceAttachClient(this);
}
void InspectableWebContentsImpl::Detach() {
if (agent_host_.get())
agent_host_->DetachClient(this);
agent_host_ = nullptr;
}
void InspectableWebContentsImpl::CallClientFunction(
const std::string& function_name,
const base::Value* arg1,
const base::Value* arg2,
const base::Value* arg3) {
if (!GetDevToolsWebContents())
return;
std::string javascript = function_name + "(";
if (arg1) {
std::string json;
base::JSONWriter::Write(*arg1, &json);
javascript.append(json);
if (arg2) {
base::JSONWriter::Write(*arg2, &json);
javascript.append(", ").append(json);
if (arg3) {
base::JSONWriter::Write(*arg3, &json);
javascript.append(", ").append(json);
}
}
}
javascript.append(");");
GetDevToolsWebContents()->GetMainFrame()->ExecuteJavaScript(
base::UTF8ToUTF16(javascript));
}
gfx::Rect InspectableWebContentsImpl::GetDevToolsBounds() const {
return devtools_bounds_;
}
void InspectableWebContentsImpl::SaveDevToolsBounds(const gfx::Rect& bounds) {
base::DictionaryValue bounds_dict;
RectToDictionary(bounds, &bounds_dict);
pref_service_->Set(kDevToolsBoundsPref, bounds_dict);
devtools_bounds_ = bounds;
}
double InspectableWebContentsImpl::GetDevToolsZoomLevel() const {
return pref_service_->GetDouble(kDevToolsZoomPref);
}
void InspectableWebContentsImpl::UpdateDevToolsZoomLevel(double level) {
pref_service_->SetDouble(kDevToolsZoomPref, level);
}
void InspectableWebContentsImpl::ActivateWindow() {
// Set the zoom level.
SetZoomLevelForWebContents(GetDevToolsWebContents(), GetDevToolsZoomLevel());
}
void InspectableWebContentsImpl::CloseWindow() {
GetDevToolsWebContents()->DispatchBeforeUnload();
}
void InspectableWebContentsImpl::LoadCompleted() {
frontend_loaded_ = true;
if (managed_devtools_web_contents_) {
view_->ShowDevTools(activate_);
}
// If the devtools can dock, "SetIsDocked" will be called by devtools itself.
if (!can_dock_) {
SetIsDocked(DispatchCallback(), false);
} else {
if (dock_state_.empty()) {
const base::DictionaryValue* prefs =
pref_service_->GetDictionary(kDevToolsPreferences);
std::string current_dock_state;
prefs->GetString("currentDockState", ¤t_dock_state);
base::RemoveChars(current_dock_state, "\"", &dock_state_);
}
base::string16 javascript = base::UTF8ToUTF16(
"Components.dockController.setDockSide(\"" + dock_state_ + "\");");
GetDevToolsWebContents()->GetMainFrame()->ExecuteJavaScript(javascript);
}
if (view_->GetDelegate())
view_->GetDelegate()->DevToolsOpened();
}
void InspectableWebContentsImpl::SetInspectedPageBounds(const gfx::Rect& rect) {
DevToolsContentsResizingStrategy strategy(rect);
if (contents_resizing_strategy_.Equals(strategy))
return;
contents_resizing_strategy_.CopyFrom(strategy);
if (managed_devtools_web_contents_)
view_->SetContentsResizingStrategy(contents_resizing_strategy_);
}
void InspectableWebContentsImpl::InspectElementCompleted() {}
void InspectableWebContentsImpl::InspectedURLChanged(const std::string& url) {
if (managed_devtools_web_contents_)
view_->SetTitle(
base::UTF8ToUTF16(base::StringPrintf(kTitleFormat, url.c_str())));
}
void InspectableWebContentsImpl::LoadNetworkResource(
const DispatchCallback& callback,
const std::string& url,
const std::string& headers,
int stream_id) {
GURL gurl(url);
if (!gurl.is_valid()) {
base::DictionaryValue response;
response.SetInteger("statusCode", 404);
callback.Run(&response);
return;
}
auto* browser_context = static_cast<BrowserContext*>(
GetDevToolsWebContents()->GetBrowserContext());
net::URLFetcher* fetcher =
(net::URLFetcher::Create(gurl, net::URLFetcher::GET, this)).release();
pending_requests_[fetcher] = callback;
fetcher->SetRequestContext(browser_context->url_request_context_getter());
fetcher->SetExtraRequestHeaders(headers);
fetcher->SaveResponseWithWriter(
std::unique_ptr<net::URLFetcherResponseWriter>(
new ResponseWriter(weak_factory_.GetWeakPtr(), stream_id)));
fetcher->Start();
}
void InspectableWebContentsImpl::SetIsDocked(const DispatchCallback& callback,
bool docked) {
if (managed_devtools_web_contents_)
view_->SetIsDocked(docked, activate_);
if (!callback.is_null())
callback.Run(nullptr);
}
void InspectableWebContentsImpl::OpenInNewTab(const std::string& url) {}
void InspectableWebContentsImpl::ShowItemInFolder(
const std::string& file_system_path) {
if (file_system_path.empty())
return;
base::FilePath path = base::FilePath::FromUTF8Unsafe(file_system_path);
platform_util::ShowItemInFolder(path);
}
void InspectableWebContentsImpl::SaveToFile(const std::string& url,
const std::string& content,
bool save_as) {
if (delegate_)
delegate_->DevToolsSaveToFile(url, content, save_as);
}
void InspectableWebContentsImpl::AppendToFile(const std::string& url,
const std::string& content) {
if (delegate_)
delegate_->DevToolsAppendToFile(url, content);
}
void InspectableWebContentsImpl::RequestFileSystems() {
if (delegate_)
delegate_->DevToolsRequestFileSystems();
}
void InspectableWebContentsImpl::AddFileSystem(
const std::string& file_system_path) {
if (delegate_)
delegate_->DevToolsAddFileSystem(
base::FilePath::FromUTF8Unsafe(file_system_path));
}
void InspectableWebContentsImpl::RemoveFileSystem(
const std::string& file_system_path) {
if (delegate_)
delegate_->DevToolsRemoveFileSystem(
base::FilePath::FromUTF8Unsafe(file_system_path));
}
void InspectableWebContentsImpl::UpgradeDraggedFileSystemPermissions(
const std::string& file_system_url) {}
void InspectableWebContentsImpl::IndexPath(
int request_id,
const std::string& file_system_path) {
if (delegate_)
delegate_->DevToolsIndexPath(request_id, file_system_path);
}
void InspectableWebContentsImpl::StopIndexing(int request_id) {
if (delegate_)
delegate_->DevToolsStopIndexing(request_id);
}
void InspectableWebContentsImpl::SearchInPath(
int request_id,
const std::string& file_system_path,
const std::string& query) {
if (delegate_)
delegate_->DevToolsSearchInPath(request_id, file_system_path, query);
}
void InspectableWebContentsImpl::SetWhitelistedShortcuts(
const std::string& message) {}
void InspectableWebContentsImpl::SetEyeDropperActive(bool active) {}
void InspectableWebContentsImpl::ShowCertificateViewer(
const std::string& cert_chain) {}
void InspectableWebContentsImpl::ZoomIn() {
double new_level = GetNextZoomLevel(GetDevToolsZoomLevel(), false);
SetZoomLevelForWebContents(GetDevToolsWebContents(), new_level);
UpdateDevToolsZoomLevel(new_level);
}
void InspectableWebContentsImpl::ZoomOut() {
double new_level = GetNextZoomLevel(GetDevToolsZoomLevel(), true);
SetZoomLevelForWebContents(GetDevToolsWebContents(), new_level);
UpdateDevToolsZoomLevel(new_level);
}
void InspectableWebContentsImpl::ResetZoom() {
SetZoomLevelForWebContents(GetDevToolsWebContents(), 0.);
UpdateDevToolsZoomLevel(0.);
}
void InspectableWebContentsImpl::SetDevicesDiscoveryConfig(
bool discover_usb_devices,
bool port_forwarding_enabled,
const std::string& port_forwarding_config,
bool network_discovery_enabled,
const std::string& network_discovery_config) {}
void InspectableWebContentsImpl::SetDevicesUpdatesEnabled(bool enabled) {}
void InspectableWebContentsImpl::PerformActionOnRemotePage(
const std::string& page_id,
const std::string& action) {}
void InspectableWebContentsImpl::OpenRemotePage(const std::string& browser_id,
const std::string& url) {}
void InspectableWebContentsImpl::OpenNodeFrontend() {}
void InspectableWebContentsImpl::DispatchProtocolMessageFromDevToolsFrontend(
const std::string& message) {
// If the devtools wants to reload the page, hijack the message and handle it
// to the delegate.
if (base::MatchPattern(message,
"{\"id\":*,"
"\"method\":\"Page.reload\","
"\"params\":*}")) {
if (delegate_)
delegate_->DevToolsReloadPage();
return;
}
if (agent_host_.get())
agent_host_->DispatchProtocolMessage(this, message);
}
void InspectableWebContentsImpl::SendJsonRequest(
const DispatchCallback& callback,
const std::string& browser_id,
const std::string& url) {
callback.Run(nullptr);
}
void InspectableWebContentsImpl::GetPreferences(
const DispatchCallback& callback) {
const base::DictionaryValue* prefs =
pref_service_->GetDictionary(kDevToolsPreferences);
callback.Run(prefs);
}
void InspectableWebContentsImpl::SetPreference(const std::string& name,
const std::string& value) {
DictionaryPrefUpdate update(pref_service_, kDevToolsPreferences);
update.Get()->SetKey(name, base::Value(value));
}
void InspectableWebContentsImpl::RemovePreference(const std::string& name) {
DictionaryPrefUpdate update(pref_service_, kDevToolsPreferences);
update.Get()->RemoveWithoutPathExpansion(name, nullptr);
}
void InspectableWebContentsImpl::ClearPreferences() {
DictionaryPrefUpdate update(pref_service_, kDevToolsPreferences);
update.Get()->Clear();
}
void InspectableWebContentsImpl::ConnectionReady() {}
void InspectableWebContentsImpl::RegisterExtensionsAPI(
const std::string& origin,
const std::string& script) {
extensions_api_[origin + "/"] = script;
}
void InspectableWebContentsImpl::HandleMessageFromDevToolsFrontend(
const std::string& message) {
// TODO(alexeykuzmin): Should we expect it to exist?
if (!embedder_message_dispatcher_) {
return;
}
std::string method;
base::ListValue empty_params;
base::ListValue* params = &empty_params;
base::DictionaryValue* dict = nullptr;
std::unique_ptr<base::Value> parsed_message(base::JSONReader::Read(message));
if (!parsed_message || !parsed_message->GetAsDictionary(&dict) ||
!dict->GetString(kFrontendHostMethod, &method) ||
(dict->HasKey(kFrontendHostParams) &&
!dict->GetList(kFrontendHostParams, ¶ms))) {
LOG(ERROR) << "Invalid message was sent to embedder: " << message;
return;
}
int id = 0;
dict->GetInteger(kFrontendHostId, &id);
embedder_message_dispatcher_->Dispatch(
base::Bind(&InspectableWebContentsImpl::SendMessageAck,
weak_factory_.GetWeakPtr(), id),
method, params);
}
void InspectableWebContentsImpl::DispatchProtocolMessage(
content::DevToolsAgentHost* agent_host,
const std::string& message) {
if (!frontend_loaded_)
return;
if (message.length() < kMaxMessageChunkSize) {
base::string16 javascript =
base::UTF8ToUTF16("DevToolsAPI.dispatchMessage(" + message + ");");
GetDevToolsWebContents()->GetMainFrame()->ExecuteJavaScript(javascript);
return;
}
base::Value total_size(static_cast<int>(message.length()));
for (size_t pos = 0; pos < message.length(); pos += kMaxMessageChunkSize) {
base::Value message_value(message.substr(pos, kMaxMessageChunkSize));
CallClientFunction("DevToolsAPI.dispatchMessageChunk", &message_value,
pos ? nullptr : &total_size, nullptr);
}
}
void InspectableWebContentsImpl::AgentHostClosed(
content::DevToolsAgentHost* agent_host) {}
void InspectableWebContentsImpl::RenderFrameHostChanged(
content::RenderFrameHost* old_host,
content::RenderFrameHost* new_host) {
if (new_host->GetParent())
return;
frontend_host_.reset(content::DevToolsFrontendHost::Create(
new_host,
base::Bind(&InspectableWebContentsImpl::HandleMessageFromDevToolsFrontend,
weak_factory_.GetWeakPtr())));
}
void InspectableWebContentsImpl::WebContentsDestroyed() {
frontend_loaded_ = false;
external_devtools_web_contents_ = nullptr;
Observe(nullptr);
Detach();
embedder_message_dispatcher_.reset();
for (const auto& pair : pending_requests_)
delete pair.first;
if (view_ && view_->GetDelegate())
view_->GetDelegate()->DevToolsClosed();
}
bool InspectableWebContentsImpl::DidAddMessageToConsole(
content::WebContents* source,
int32_t level,
const base::string16& message,
int32_t line_no,
const base::string16& source_id) {
logging::LogMessage("CONSOLE", line_no, level).stream()
<< "\"" << message << "\", source: " << source_id << " (" << line_no
<< ")";
return true;
}
bool InspectableWebContentsImpl::ShouldCreateWebContents(
content::WebContents* web_contents,
content::RenderFrameHost* opener,
content::SiteInstance* source_site_instance,
int32_t route_id,
int32_t main_frame_route_id,
int32_t main_frame_widget_route_id,
content::mojom::WindowContainerType window_container_type,
const GURL& opener_url,
const std::string& frame_name,
const GURL& target_url,
const std::string& partition_id,
content::SessionStorageNamespace* session_storage_namespace) {
return false;
}
void InspectableWebContentsImpl::HandleKeyboardEvent(
content::WebContents* source,
const content::NativeWebKeyboardEvent& event) {
auto* delegate = web_contents_->GetDelegate();
if (delegate)
delegate->HandleKeyboardEvent(source, event);
}
void InspectableWebContentsImpl::CloseContents(content::WebContents* source) {
// This is where the devtools closes itself (by clicking the x button).
CloseDevTools();
}
content::ColorChooser* InspectableWebContentsImpl::OpenColorChooser(
content::WebContents* source,
SkColor color,
const std::vector<blink::mojom::ColorSuggestionPtr>& suggestions) {
auto* delegate = web_contents_->GetDelegate();
if (delegate)
return delegate->OpenColorChooser(source, color, suggestions);
return nullptr;
}
void InspectableWebContentsImpl::RunFileChooser(
content::RenderFrameHost* render_frame_host,
const content::FileChooserParams& params) {
auto* delegate = web_contents_->GetDelegate();
if (delegate)
delegate->RunFileChooser(render_frame_host, params);
}
void InspectableWebContentsImpl::EnumerateDirectory(
content::WebContents* source,
int request_id,
const base::FilePath& path) {
auto* delegate = web_contents_->GetDelegate();
if (delegate)
delegate->EnumerateDirectory(source, request_id, path);
}
void InspectableWebContentsImpl::OnWebContentsFocused(
content::RenderWidgetHost* render_widget_host) {
#if defined(TOOLKIT_VIEWS)
if (view_->GetDelegate())
view_->GetDelegate()->DevToolsFocused();
#endif
}
void InspectableWebContentsImpl::ReadyToCommitNavigation(
content::NavigationHandle* navigation_handle) {
if (navigation_handle->IsInMainFrame()) {
if (navigation_handle->GetRenderFrameHost() ==
GetDevToolsWebContents()->GetMainFrame() &&
frontend_host_) {
return;
}
frontend_host_.reset(content::DevToolsFrontendHost::Create(
web_contents()->GetMainFrame(),
base::Bind(
&InspectableWebContentsImpl::HandleMessageFromDevToolsFrontend,
base::Unretained(this))));
return;
}
}
void InspectableWebContentsImpl::DidFinishNavigation(
content::NavigationHandle* navigation_handle) {
if (navigation_handle->IsInMainFrame() ||
!navigation_handle->GetURL().SchemeIs("chrome-extension") ||
!navigation_handle->HasCommitted())
return;
content::RenderFrameHost* frame = navigation_handle->GetRenderFrameHost();
auto origin = navigation_handle->GetURL().GetOrigin().spec();
auto it = extensions_api_.find(origin);
if (it == extensions_api_.end())
return;
// Injected Script from devtools frontend doesn't expose chrome,
// most likely bug in chromium.
base::ReplaceFirstSubstringAfterOffset(&it->second, 0, "var chrome",
"var chrome = window.chrome ");
auto script = base::StringPrintf("%s(\"%s\")", it->second.c_str(),
base::GenerateGUID().c_str());
// Invoking content::DevToolsFrontendHost::SetupExtensionsAPI(frame, script);
// should be enough, but it seems to be a noop currently.
frame->ExecuteJavaScriptForTests(base::UTF8ToUTF16(script));
}
void InspectableWebContentsImpl::OnURLFetchComplete(
const net::URLFetcher* source) {
DCHECK(source);
auto it = pending_requests_.find(source);
DCHECK(it != pending_requests_.end());
base::DictionaryValue response;
net::HttpResponseHeaders* rh = source->GetResponseHeaders();
response.SetInteger("statusCode", rh ? rh->response_code() : 200);
{
auto headers = std::make_unique<base::DictionaryValue>();
size_t iterator = 0;
std::string name;
std::string value;
while (rh && rh->EnumerateHeaderLines(&iterator, &name, &value))
headers->SetString(name, value);
response.Set("headers", std::move(headers));
}
it->second.Run(&response);
pending_requests_.erase(it);
delete source;
}
void InspectableWebContentsImpl::SendMessageAck(int request_id,
const base::Value* arg) {
base::Value id_value(request_id);
CallClientFunction("DevToolsAPI.embedderMessageAck", &id_value, arg, nullptr);
}
} // namespace brightray