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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,8 @@ | ||
| # HIDDevice Object | ||
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| * `deviceId` String - Unique identifier for the device. | ||
| * `name` String - Name of the device. | ||
| * `vendorId` Integer - The USB vendor ID. | ||
| * `productId` Integer - The USB product ID. | ||
| * `serialNumber` String (optional) - The USB device serial number. | ||
| * `guid` String (optional) - Unique identifier for the HID interface. A device may have multiple HID interfaces. |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,157 @@ | ||
| // Copyright (c) 2021 Microsoft, Inc. | ||
| // Use of this source code is governed by the MIT license that can be | ||
| // found in the LICENSE file. | ||
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| #include "shell/browser/hid/electron_hid_delegate.h" | ||
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| #include <string> | ||
| #include <utility> | ||
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| #include "content/public/browser/web_contents.h" | ||
| #include "shell/browser/hid/hid_chooser_context.h" | ||
| #include "shell/browser/hid/hid_chooser_context_factory.h" | ||
| #include "shell/browser/hid/hid_chooser_controller.h" | ||
| #include "shell/browser/web_contents_permission_helper.h" | ||
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| namespace { | ||
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| electron::HidChooserContext* GetChooserContext( | ||
| content::RenderFrameHost* frame) { | ||
| auto* web_contents = content::WebContents::FromRenderFrameHost(frame); | ||
| auto* browser_context = web_contents->GetBrowserContext(); | ||
| return electron::HidChooserContextFactory::GetForBrowserContext( | ||
| browser_context); | ||
| } | ||
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| } // namespace | ||
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| namespace electron { | ||
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| ElectronHidDelegate::ElectronHidDelegate() = default; | ||
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| ElectronHidDelegate::~ElectronHidDelegate() = default; | ||
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| std::unique_ptr<content::HidChooser> ElectronHidDelegate::RunChooser( | ||
| content::RenderFrameHost* render_frame_host, | ||
| std::vector<blink::mojom::HidDeviceFilterPtr> filters, | ||
| content::HidChooser::Callback callback) { | ||
| auto* chooser_context = GetChooserContext(render_frame_host); | ||
| if (!device_observation_.IsObserving()) | ||
| device_observation_.Observe(chooser_context); | ||
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| HidChooserController* controller = ControllerForFrame(render_frame_host); | ||
| if (controller) { | ||
| DeleteControllerForFrame(render_frame_host); | ||
| } | ||
| AddControllerForFrame(render_frame_host, std::move(filters), | ||
| std::move(callback)); | ||
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| // Return a nullptr because the return value isn't used for anything, eg | ||
| // there is no mechanism to cancel navigator.hid.requestDevice(). The return | ||
| // value is simply used in Chromium to cleanup the chooser UI once the serial | ||
| // service is destroyed. | ||
| return nullptr; | ||
| } | ||
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| bool ElectronHidDelegate::CanRequestDevicePermission( | ||
| content::RenderFrameHost* render_frame_host) { | ||
| auto* web_contents = | ||
| content::WebContents::FromRenderFrameHost(render_frame_host); | ||
| auto* permission_helper = | ||
| WebContentsPermissionHelper::FromWebContents(web_contents); | ||
| return permission_helper->CheckHIDAccessPermission( | ||
| web_contents->GetMainFrame()->GetLastCommittedOrigin()); | ||
| } | ||
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| bool ElectronHidDelegate::HasDevicePermission( | ||
| content::RenderFrameHost* render_frame_host, | ||
| const device::mojom::HidDeviceInfo& device) { | ||
| auto* chooser_context = GetChooserContext(render_frame_host); | ||
| const auto& origin = | ||
| render_frame_host->GetMainFrame()->GetLastCommittedOrigin(); | ||
| return chooser_context->HasDevicePermission(origin, device); | ||
| } | ||
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| device::mojom::HidManager* ElectronHidDelegate::GetHidManager( | ||
| content::RenderFrameHost* render_frame_host) { | ||
| auto* chooser_context = GetChooserContext(render_frame_host); | ||
| return chooser_context->GetHidManager(); | ||
| } | ||
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| void ElectronHidDelegate::AddObserver( | ||
| content::RenderFrameHost* render_frame_host, | ||
| Observer* observer) { | ||
| observer_list_.AddObserver(observer); | ||
| auto* chooser_context = GetChooserContext(render_frame_host); | ||
| if (!device_observation_.IsObserving()) | ||
| device_observation_.Observe(chooser_context); | ||
| } | ||
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| void ElectronHidDelegate::RemoveObserver( | ||
| content::RenderFrameHost* render_frame_host, | ||
| content::HidDelegate::Observer* observer) { | ||
| observer_list_.RemoveObserver(observer); | ||
| } | ||
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| const device::mojom::HidDeviceInfo* ElectronHidDelegate::GetDeviceInfo( | ||
| content::RenderFrameHost* render_frame_host, | ||
| const std::string& guid) { | ||
| auto* chooser_context = GetChooserContext(render_frame_host); | ||
| return chooser_context->GetDeviceInfo(guid); | ||
| } | ||
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| void ElectronHidDelegate::OnDeviceAdded( | ||
| const device::mojom::HidDeviceInfo& device_info) { | ||
| for (auto& observer : observer_list_) | ||
| observer.OnDeviceAdded(device_info); | ||
| } | ||
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| void ElectronHidDelegate::OnDeviceRemoved( | ||
| const device::mojom::HidDeviceInfo& device_info) { | ||
| for (auto& observer : observer_list_) | ||
| observer.OnDeviceRemoved(device_info); | ||
| } | ||
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| void ElectronHidDelegate::OnDeviceChanged( | ||
| const device::mojom::HidDeviceInfo& device_info) { | ||
| for (auto& observer : observer_list_) | ||
| observer.OnDeviceChanged(device_info); | ||
| } | ||
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| void ElectronHidDelegate::OnHidManagerConnectionError() { | ||
| device_observation_.Reset(); | ||
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| for (auto& observer : observer_list_) | ||
| observer.OnHidManagerConnectionError(); | ||
| } | ||
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| void ElectronHidDelegate::OnHidChooserContextShutdown() { | ||
| device_observation_.Reset(); | ||
| } | ||
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| HidChooserController* ElectronHidDelegate::ControllerForFrame( | ||
| content::RenderFrameHost* render_frame_host) { | ||
| auto mapping = controller_map_.find(render_frame_host); | ||
| return mapping == controller_map_.end() ? nullptr : mapping->second.get(); | ||
| } | ||
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| HidChooserController* ElectronHidDelegate::AddControllerForFrame( | ||
| content::RenderFrameHost* render_frame_host, | ||
| std::vector<blink::mojom::HidDeviceFilterPtr> filters, | ||
| content::HidChooser::Callback callback) { | ||
| auto* web_contents = | ||
| content::WebContents::FromRenderFrameHost(render_frame_host); | ||
| auto controller = std::make_unique<HidChooserController>( | ||
| render_frame_host, std::move(filters), std::move(callback), web_contents, | ||
| weak_factory_.GetWeakPtr()); | ||
| controller_map_.insert( | ||
| std::make_pair(render_frame_host, std::move(controller))); | ||
| return ControllerForFrame(render_frame_host); | ||
| } | ||
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| void ElectronHidDelegate::DeleteControllerForFrame( | ||
| content::RenderFrameHost* render_frame_host) { | ||
| controller_map_.erase(render_frame_host); | ||
| } | ||
|
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| } // namespace electron |
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