зеркало из https://github.com/electron/electron.git
391 строка
13 KiB
C++
391 строка
13 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Copyright (c) 2013 Adam Roben <adam@roben.org>. 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-CHROMIUM file.
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#include "browser/inspectable_web_contents_impl.h"
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#include "browser/browser_client.h"
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#include "browser/browser_context.h"
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#include "browser/browser_main_parts.h"
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#include "browser/inspectable_web_contents_delegate.h"
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#include "browser/inspectable_web_contents_view.h"
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#include "base/json/json_reader.h"
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#include "base/prefs/pref_registry_simple.h"
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#include "base/prefs/pref_service.h"
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#include "base/strings/stringprintf.h"
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#include "base/strings/utf_string_conversions.h"
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#include "base/values.h"
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#include "content/public/browser/devtools_agent_host.h"
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#include "content/public/browser/devtools_client_host.h"
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#include "content/public/browser/devtools_http_handler.h"
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#include "content/public/browser/devtools_manager.h"
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#include "content/public/browser/host_zoom_map.h"
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#include "content/public/browser/render_frame_host.h"
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#include "content/public/browser/render_view_host.h"
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namespace brightray {
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namespace {
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const double kPresetZoomFactors[] = { 0.25, 0.333, 0.5, 0.666, 0.75, 0.9, 1.0,
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1.1, 1.25, 1.5, 1.75, 2.0, 2.5, 3.0, 4.0,
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5.0 };
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const char kDevToolsScheme[] = "chrome-devtools";
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const char kDevToolsHost[] = "devtools";
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const char kChromeUIDevToolsURL[] = "chrome-devtools://devtools/devtools.html?"
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"can_dock=%s&"
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"toolbarColor=rgba(223,223,223,1)&"
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"textColor=rgba(0,0,0,1)&"
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"experiments=true";
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const char kDevToolsBoundsPref[] = "brightray.devtools.bounds";
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const char kFrontendHostId[] = "id";
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const char kFrontendHostMethod[] = "method";
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const char kFrontendHostParams[] = "params";
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void RectToDictionary(const gfx::Rect& bounds, base::DictionaryValue* dict) {
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dict->SetInteger("x", bounds.x());
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dict->SetInteger("y", bounds.y());
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dict->SetInteger("width", bounds.width());
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dict->SetInteger("height", bounds.height());
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}
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void DictionaryToRect(const base::DictionaryValue& dict, gfx::Rect* bounds) {
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int x = 0, y = 0, width = 800, height = 600;
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dict.GetInteger("x", &x);
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dict.GetInteger("y", &y);
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dict.GetInteger("width", &width);
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dict.GetInteger("height", &height);
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*bounds = gfx::Rect(x, y, width, height);
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}
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bool ParseMessage(const std::string& message,
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std::string* method,
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base::ListValue* params,
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int* id) {
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scoped_ptr<base::Value> parsed_message(base::JSONReader::Read(message));
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if (!parsed_message)
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return false;
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base::DictionaryValue* dict = NULL;
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if (!parsed_message->GetAsDictionary(&dict))
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return false;
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if (!dict->GetString(kFrontendHostMethod, method))
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return false;
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// "params" is optional.
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if (dict->HasKey(kFrontendHostParams)) {
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base::ListValue* internal_params;
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if (dict->GetList(kFrontendHostParams, &internal_params))
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params->Swap(internal_params);
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else
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return false;
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}
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*id = 0;
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dict->GetInteger(kFrontendHostId, id);
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return true;
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}
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double GetZoomLevelForWebContents(content::WebContents* web_contents) {
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content::HostZoomMap* host_zoom_map = content::HostZoomMap::GetForBrowserContext(
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web_contents->GetBrowserContext());
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return host_zoom_map->GetZoomLevelForHostAndScheme(kDevToolsScheme, kDevToolsHost);
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}
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void SetZoomLevelForWebContents(content::WebContents* web_contents, double level) {
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content::HostZoomMap* host_zoom_map = content::HostZoomMap::GetForBrowserContext(
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web_contents->GetBrowserContext());
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return host_zoom_map->SetZoomLevelForHostAndScheme(kDevToolsScheme, kDevToolsHost, level);
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}
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double GetNextZoomLevel(double level, bool out) {
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double factor = content::ZoomLevelToZoomFactor(level);
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size_t size = arraysize(kPresetZoomFactors);
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for (size_t i = 0; i < size; ++i) {
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if (!content::ZoomValuesEqual(kPresetZoomFactors[i], factor))
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continue;
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if (out && i > 0)
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return content::ZoomFactorToZoomLevel(kPresetZoomFactors[i - 1]);
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if (!out && i != size - 1)
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return content::ZoomFactorToZoomLevel(kPresetZoomFactors[i + 1]);
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}
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return level;
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}
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} // namespace
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// Implemented separately on each platform.
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InspectableWebContentsView* CreateInspectableContentsView(
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InspectableWebContentsImpl* inspectable_web_contents_impl);
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void InspectableWebContentsImpl::RegisterPrefs(PrefRegistrySimple* registry) {
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auto bounds_dict = make_scoped_ptr(new base::DictionaryValue);
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RectToDictionary(gfx::Rect(0, 0, 800, 600), bounds_dict.get());
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registry->RegisterDictionaryPref(kDevToolsBoundsPref, bounds_dict.release());
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}
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InspectableWebContentsImpl::InspectableWebContentsImpl(
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content::WebContents* web_contents)
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: web_contents_(web_contents),
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can_dock_(true),
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delegate_(nullptr) {
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auto context = static_cast<BrowserContext*>(web_contents_->GetBrowserContext());
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auto bounds_dict = context->prefs()->GetDictionary(kDevToolsBoundsPref);
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if (bounds_dict)
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DictionaryToRect(*bounds_dict, &devtools_bounds_);
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view_.reset(CreateInspectableContentsView(this));
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}
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InspectableWebContentsImpl::~InspectableWebContentsImpl() {
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}
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InspectableWebContentsView* InspectableWebContentsImpl::GetView() const {
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return view_.get();
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}
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content::WebContents* InspectableWebContentsImpl::GetWebContents() const {
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return web_contents_.get();
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}
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void InspectableWebContentsImpl::SetCanDock(bool can_dock) {
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can_dock_ = can_dock;
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}
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void InspectableWebContentsImpl::ShowDevTools() {
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// Show devtools only after it has done loading, this is to make sure the
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// SetIsDocked is called *BEFORE* ShowDevTools.
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if (!devtools_web_contents_) {
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embedder_message_dispatcher_.reset(
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new DevToolsEmbedderMessageDispatcher(this));
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content::WebContents::CreateParams create_params(web_contents_->GetBrowserContext());
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devtools_web_contents_.reset(content::WebContents::Create(create_params));
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Observe(devtools_web_contents_.get());
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devtools_web_contents_->SetDelegate(this);
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agent_host_ = content::DevToolsAgentHost::GetOrCreateFor(web_contents_.get());
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frontend_host_.reset(content::DevToolsFrontendHost::Create(
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web_contents_->GetRenderViewHost(), this));
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content::DevToolsManager::GetInstance()->RegisterDevToolsClientHostFor(agent_host_, this);
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GURL devtools_url(base::StringPrintf(kChromeUIDevToolsURL, can_dock_ ? "true" : ""));
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devtools_web_contents_->GetController().LoadURL(
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devtools_url,
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content::Referrer(),
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content::PAGE_TRANSITION_AUTO_TOPLEVEL,
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std::string());
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} else {
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view_->ShowDevTools();
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}
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}
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void InspectableWebContentsImpl::CloseDevTools() {
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if (devtools_web_contents_) {
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view_->CloseDevTools();
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devtools_web_contents_.reset();
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web_contents_->Focus();
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}
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}
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bool InspectableWebContentsImpl::IsDevToolsViewShowing() {
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return devtools_web_contents_ && view_->IsDevToolsViewShowing();
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}
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gfx::Rect InspectableWebContentsImpl::GetDevToolsBounds() const {
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return devtools_bounds_;
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}
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void InspectableWebContentsImpl::SaveDevToolsBounds(const gfx::Rect& bounds) {
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auto context = static_cast<BrowserContext*>(web_contents_->GetBrowserContext());
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base::DictionaryValue bounds_dict;
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RectToDictionary(bounds, &bounds_dict);
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context->prefs()->Set(kDevToolsBoundsPref, bounds_dict);
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devtools_bounds_ = bounds;
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}
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void InspectableWebContentsImpl::ActivateWindow() {
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}
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void InspectableWebContentsImpl::CloseWindow() {
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devtools_web_contents()->DispatchBeforeUnload(false);
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}
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void InspectableWebContentsImpl::SetInspectedPageBounds(const gfx::Rect& rect) {
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DevToolsContentsResizingStrategy strategy(rect);
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if (contents_resizing_strategy_.Equals(strategy))
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return;
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contents_resizing_strategy_.CopyFrom(strategy);
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view_->SetContentsResizingStrategy(contents_resizing_strategy_);
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}
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void InspectableWebContentsImpl::InspectElementCompleted() {
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}
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void InspectableWebContentsImpl::MoveWindow(int x, int y) {
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}
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void InspectableWebContentsImpl::SetIsDocked(bool docked) {
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view_->SetIsDocked(docked);
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}
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void InspectableWebContentsImpl::OpenInNewTab(const std::string& url) {
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}
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void InspectableWebContentsImpl::SaveToFile(
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const std::string& url, const std::string& content, bool save_as) {
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if (delegate_)
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delegate_->DevToolsSaveToFile(url, content, save_as);
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}
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void InspectableWebContentsImpl::AppendToFile(
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const std::string& url, const std::string& content) {
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if (delegate_)
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delegate_->DevToolsAppendToFile(url, content);
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}
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void InspectableWebContentsImpl::RequestFileSystems() {
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devtools_web_contents()->GetMainFrame()->ExecuteJavaScript(
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base::ASCIIToUTF16("InspectorFrontendAPI.fileSystemsLoaded([])"));
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}
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void InspectableWebContentsImpl::AddFileSystem() {
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}
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void InspectableWebContentsImpl::RemoveFileSystem(
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const std::string& file_system_path) {
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}
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void InspectableWebContentsImpl::UpgradeDraggedFileSystemPermissions(
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const std::string& file_system_url) {
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}
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void InspectableWebContentsImpl::IndexPath(
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int request_id, const std::string& file_system_path) {
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}
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void InspectableWebContentsImpl::StopIndexing(int request_id) {
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}
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void InspectableWebContentsImpl::SearchInPath(
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int request_id,
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const std::string& file_system_path,
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const std::string& query) {
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}
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void InspectableWebContentsImpl::ZoomIn() {
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double level = GetZoomLevelForWebContents(devtools_web_contents());
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SetZoomLevelForWebContents(devtools_web_contents(), GetNextZoomLevel(level, false));
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}
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void InspectableWebContentsImpl::ZoomOut() {
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double level = GetZoomLevelForWebContents(devtools_web_contents());
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SetZoomLevelForWebContents(devtools_web_contents(), GetNextZoomLevel(level, true));
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}
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void InspectableWebContentsImpl::ResetZoom() {
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SetZoomLevelForWebContents(devtools_web_contents(), 0.);
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}
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void InspectableWebContentsImpl::HandleMessageFromDevToolsFrontend(const std::string& message) {
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std::string method;
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base::ListValue params;
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int id;
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if (!ParseMessage(message, &method, ¶ms, &id)) {
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LOG(ERROR) << "Invalid message was sent to embedder: " << message;
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return;
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}
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std::string error = embedder_message_dispatcher_->Dispatch(method, ¶ms);
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if (id) {
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std::string ack = base::StringPrintf(
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"InspectorFrontendAPI.embedderMessageAck(%d, \"%s\");", id, error.c_str());
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devtools_web_contents()->GetMainFrame()->ExecuteJavaScript(base::UTF8ToUTF16(ack));
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}
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}
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void InspectableWebContentsImpl::HandleMessageFromDevToolsFrontendToBackend(
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const std::string& message) {
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content::DevToolsManager::GetInstance()->DispatchOnInspectorBackend(
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this, message);
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}
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void InspectableWebContentsImpl::DispatchOnInspectorFrontend(
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const std::string& message) {
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std::string code = "InspectorFrontendAPI.dispatchMessage(" + message + ");";
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base::string16 javascript = base::UTF8ToUTF16(code);
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devtools_web_contents()->GetMainFrame()->ExecuteJavaScript(javascript);
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}
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void InspectableWebContentsImpl::InspectedContentsClosing() {
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}
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void InspectableWebContentsImpl::ReplacedWithAnotherClient() {
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}
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void InspectableWebContentsImpl::AboutToNavigateRenderView(
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content::RenderViewHost* render_view_host) {
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frontend_host_.reset(content::DevToolsFrontendHost::Create(
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render_view_host, this));
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}
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void InspectableWebContentsImpl::DidFinishLoad(content::RenderFrameHost* render_frame_host,
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const GURL& validated_url) {
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if (render_frame_host->GetParent())
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return;
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view_->ShowDevTools();
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// If the devtools can dock, "SetIsDocked" will be called by devtools itself.
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if (!can_dock_)
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SetIsDocked(false);
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}
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void InspectableWebContentsImpl::WebContentsDestroyed() {
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content::DevToolsManager::GetInstance()->ClientHostClosing(this);
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Observe(nullptr);
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agent_host_ = nullptr;
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}
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bool InspectableWebContentsImpl::AddMessageToConsole(
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content::WebContents* source,
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int32 level,
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const base::string16& message,
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int32 line_no,
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const base::string16& source_id) {
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logging::LogMessage("CONSOLE", line_no, level).stream() << "\"" <<
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message << "\", source: " << source_id << " (" << line_no << ")";
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return true;
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}
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bool InspectableWebContentsImpl::ShouldCreateWebContents(
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content::WebContents* web_contents,
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int route_id,
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WindowContainerType window_container_type,
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const base::string16& frame_name,
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const GURL& target_url,
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const std::string& partition_id,
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content::SessionStorageNamespace* session_storage_namespace) {
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return false;
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}
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void InspectableWebContentsImpl::HandleKeyboardEvent(
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content::WebContents* source,
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const content::NativeWebKeyboardEvent& event) {
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auto delegate = web_contents_->GetDelegate();
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if (delegate)
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delegate->HandleKeyboardEvent(source, event);
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}
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void InspectableWebContentsImpl::CloseContents(content::WebContents* source) {
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CloseDevTools();
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}
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} // namespace brightray
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