| // Copyright (c) 2013 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/browser/devtools/renderer_overrides_handler.h" |
| |
| #include <string> |
| |
| #include "base/base64.h" |
| #include "base/bind.h" |
| #include "base/bind_helpers.h" |
| #include "base/files/file_path.h" |
| #include "base/strings/string16.h" |
| #include "base/values.h" |
| #include "content/browser/child_process_security_policy_impl.h" |
| #include "content/browser/devtools/devtools_protocol_constants.h" |
| #include "content/browser/devtools/devtools_tracing_handler.h" |
| #include "content/browser/renderer_host/render_view_host_delegate.h" |
| #include "content/public/browser/browser_thread.h" |
| #include "content/public/browser/devtools_agent_host.h" |
| #include "content/public/browser/javascript_dialog_manager.h" |
| #include "content/public/browser/navigation_controller.h" |
| #include "content/public/browser/render_process_host.h" |
| #include "content/public/browser/render_view_host.h" |
| #include "content/public/browser/render_widget_host_view.h" |
| #include "content/public/browser/web_contents.h" |
| #include "content/public/browser/web_contents_delegate.h" |
| #include "content/public/common/page_transition_types.h" |
| #include "content/public/common/referrer.h" |
| #include "ui/snapshot/snapshot.h" |
| #include "url/gurl.h" |
| |
| namespace content { |
| |
| RendererOverridesHandler::RendererOverridesHandler(DevToolsAgentHost* agent) |
| : agent_(agent), |
| weak_factory_(this) { |
| RegisterCommandHandler( |
| devtools::DOM::setFileInputFiles::kName, |
| base::Bind( |
| &RendererOverridesHandler::GrantPermissionsForSetFileInputFiles, |
| base::Unretained(this))); |
| RegisterCommandHandler( |
| devtools::Page::handleJavaScriptDialog::kName, |
| base::Bind( |
| &RendererOverridesHandler::PageHandleJavaScriptDialog, |
| base::Unretained(this))); |
| RegisterCommandHandler( |
| devtools::Page::navigate::kName, |
| base::Bind( |
| &RendererOverridesHandler::PageNavigate, |
| base::Unretained(this))); |
| RegisterCommandHandler( |
| devtools::Page::captureScreenshot::kName, |
| base::Bind( |
| &RendererOverridesHandler::PageCaptureScreenshot, |
| base::Unretained(this))); |
| } |
| |
| RendererOverridesHandler::~RendererOverridesHandler() {} |
| |
| scoped_refptr<DevToolsProtocol::Response> |
| RendererOverridesHandler::GrantPermissionsForSetFileInputFiles( |
| scoped_refptr<DevToolsProtocol::Command> command) { |
| base::DictionaryValue* params = command->params(); |
| base::ListValue* file_list = NULL; |
| const char* param = |
| devtools::DOM::setFileInputFiles::kParamFiles; |
| if (!params || !params->GetList(param, &file_list)) |
| return command->InvalidParamResponse(param); |
| RenderViewHost* host = agent_->GetRenderViewHost(); |
| if (!host) |
| return NULL; |
| |
| for (size_t i = 0; i < file_list->GetSize(); ++i) { |
| base::FilePath::StringType file; |
| if (!file_list->GetString(i, &file)) |
| return command->InvalidParamResponse(param); |
| ChildProcessSecurityPolicyImpl::GetInstance()->GrantReadFile( |
| host->GetProcess()->GetID(), base::FilePath(file)); |
| } |
| return NULL; |
| } |
| |
| scoped_refptr<DevToolsProtocol::Response> |
| RendererOverridesHandler::PageHandleJavaScriptDialog( |
| scoped_refptr<DevToolsProtocol::Command> command) { |
| base::DictionaryValue* params = command->params(); |
| const char* paramAccept = |
| devtools::Page::handleJavaScriptDialog::kParamAccept; |
| bool accept; |
| if (!params || !params->GetBoolean(paramAccept, &accept)) |
| return command->InvalidParamResponse(paramAccept); |
| string16 prompt_override; |
| string16* prompt_override_ptr = &prompt_override; |
| if (!params || !params->GetString( |
| devtools::Page::handleJavaScriptDialog::kParamPromptText, |
| prompt_override_ptr)) { |
| prompt_override_ptr = NULL; |
| } |
| |
| RenderViewHost* host = agent_->GetRenderViewHost(); |
| if (host) { |
| WebContents* web_contents = host->GetDelegate()->GetAsWebContents(); |
| if (web_contents) { |
| JavaScriptDialogManager* manager = |
| web_contents->GetDelegate()->GetJavaScriptDialogManager(); |
| if (manager && manager->HandleJavaScriptDialog( |
| web_contents, accept, prompt_override_ptr)) { |
| return NULL; |
| } |
| } |
| } |
| return command->InternalErrorResponse("No JavaScript dialog to handle"); |
| } |
| |
| scoped_refptr<DevToolsProtocol::Response> |
| RendererOverridesHandler::PageNavigate( |
| scoped_refptr<DevToolsProtocol::Command> command) { |
| base::DictionaryValue* params = command->params(); |
| std::string url; |
| const char* param = devtools::Page::navigate::kParamUrl; |
| if (!params || !params->GetString(param, &url)) |
| return command->InvalidParamResponse(param); |
| GURL gurl(url); |
| if (!gurl.is_valid()) { |
| return command->InternalErrorResponse("Cannot navigate to invalid URL"); |
| } |
| RenderViewHost* host = agent_->GetRenderViewHost(); |
| if (host) { |
| WebContents* web_contents = host->GetDelegate()->GetAsWebContents(); |
| if (web_contents) { |
| web_contents->GetController() |
| .LoadURL(gurl, Referrer(), PAGE_TRANSITION_TYPED, std::string()); |
| return command->SuccessResponse(new base::DictionaryValue()); |
| } |
| } |
| return command->InternalErrorResponse("No WebContents to navigate"); |
| } |
| |
| scoped_refptr<DevToolsProtocol::Response> |
| RendererOverridesHandler::PageCaptureScreenshot( |
| scoped_refptr<DevToolsProtocol::Command> command) { |
| // Emulate async processing. |
| BrowserThread::PostTask( |
| BrowserThread::UI, FROM_HERE, |
| base::Bind(&RendererOverridesHandler::CaptureScreenshot, |
| weak_factory_.GetWeakPtr(), |
| command)); |
| |
| return command->AsyncResponsePromise(); |
| } |
| |
| void RendererOverridesHandler::CaptureScreenshot( |
| scoped_refptr<DevToolsProtocol::Command> command) { |
| |
| RenderViewHost* host = agent_->GetRenderViewHost(); |
| gfx::Rect view_bounds = host->GetView()->GetViewBounds(); |
| gfx::Rect snapshot_bounds(view_bounds.size()); |
| gfx::Size snapshot_size = snapshot_bounds.size(); |
| |
| std::vector<unsigned char> png; |
| if (ui::GrabViewSnapshot(host->GetView()->GetNativeView(), |
| &png, |
| snapshot_bounds)) { |
| std::string base_64_data; |
| bool success = base::Base64Encode( |
| base::StringPiece(reinterpret_cast<char*>(&*png.begin()), png.size()), |
| &base_64_data); |
| if (success) { |
| base::DictionaryValue* result = new base::DictionaryValue(); |
| result->SetString( |
| devtools::Page::captureScreenshot::kResponseData, base_64_data); |
| scoped_refptr<DevToolsProtocol::Response> response = |
| command->SuccessResponse(result); |
| SendRawMessage(response->Serialize()); |
| return; |
| } |
| } |
| SendRawMessage(command-> |
| InternalErrorResponse("Unable to capture a screenshot")->Serialize()); |
| } |
| |
| } // namespace content |