| // Copyright 2013 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome/browser/extensions/extension_view_host.h" |
| |
| #include "base/strings/string_piece.h" |
| #include "chrome/browser/browser_process.h" |
| #include "chrome/browser/extensions/browser_extension_window_controller.h" |
| #include "chrome/browser/extensions/extension_view.h" |
| #include "chrome/browser/extensions/window_controller.h" |
| #include "chrome/browser/file_select_helper.h" |
| #include "chrome/browser/platform_util.h" |
| #include "chrome/browser/ui/autofill/chrome_autofill_client.h" |
| #include "chrome/browser/ui/browser.h" |
| #include "components/autofill/content/browser/content_autofill_driver_factory.h" |
| #include "components/autofill/core/browser/browser_autofill_manager.h" |
| #include "components/web_modal/web_contents_modal_dialog_manager.h" |
| #include "content/public/browser/color_chooser.h" |
| #include "content/public/browser/file_select_listener.h" |
| #include "content/public/browser/keyboard_event_processing_result.h" |
| #include "content/public/browser/render_process_host.h" |
| #include "content/public/browser/render_view_host.h" |
| #include "content/public/browser/render_widget_host.h" |
| #include "content/public/browser/web_contents.h" |
| #include "extensions/browser/process_util.h" |
| #include "third_party/blink/public/common/input/web_input_event.h" |
| #include "ui/base/resource/resource_bundle.h" |
| #include "ui/events/keycodes/keyboard_codes.h" |
| |
| namespace extensions { |
| |
| ExtensionViewHost::ExtensionViewHost(const Extension* extension, |
| content::SiteInstance* site_instance, |
| const GURL& url, |
| mojom::ViewType host_type, |
| Browser* browser) |
| : ExtensionHost(extension, site_instance, url, host_type), |
| browser_(browser) { |
| // Not used for panels, see PanelHost. |
| DCHECK(host_type == mojom::ViewType::kExtensionDialog || |
| host_type == mojom::ViewType::kExtensionPopup || |
| host_type == mojom::ViewType::kExtensionSidePanel); |
| |
| // The browser should always be associated with the same original profile as |
| // this view host. The profiles may not be identical (i.e., one may be the |
| // off-the-record version of the other) in the case of a spanning-mode |
| // extension creating a popup in an incognito window. |
| DCHECK(!browser_ || Profile::FromBrowserContext(browser_context()) |
| ->IsSameOrParent(browser_->profile())); |
| |
| // Attach WebContents helpers. Extension tabs automatically get them attached |
| // in TabHelpers::AttachTabHelpers, but popups don't. |
| // TODO(kalman): How much of TabHelpers::AttachTabHelpers should be here? |
| autofill::ChromeAutofillClient::CreateForWebContents(host_contents()); |
| |
| // The popup itself cannot be zoomed, but we must specify a zoom level to use. |
| // Otherwise, if a user zooms a page of the same extension, the popup would |
| // use the per-origin zoom level. |
| if (host_type == mojom::ViewType::kExtensionPopup) { |
| content::HostZoomMap* zoom_map = |
| content::HostZoomMap::GetForWebContents(host_contents()); |
| zoom_map->SetTemporaryZoomLevel( |
| host_contents()->GetPrimaryMainFrame()->GetGlobalId(), |
| zoom_map->GetDefaultZoomLevel()); |
| } |
| } |
| |
| ExtensionViewHost::~ExtensionViewHost() { |
| // The hosting WebContents will be deleted in the base class, so unregister |
| // this object before it deletes the attached WebContentsModalDialogManager. |
| auto* const manager = |
| web_modal::WebContentsModalDialogManager::FromWebContents( |
| host_contents()); |
| if (manager) |
| manager->SetDelegate(nullptr); |
| } |
| |
| void ExtensionViewHost::SetAssociatedWebContents( |
| content::WebContents* web_contents) { |
| associated_web_contents_ = |
| web_contents ? web_contents->GetWeakPtr() : nullptr; |
| } |
| |
| bool ExtensionViewHost::UnhandledKeyboardEvent( |
| content::WebContents* source, |
| const content::NativeWebKeyboardEvent& event) { |
| return view_->HandleKeyboardEvent(source, event); |
| } |
| |
| void ExtensionViewHost::OnDidStopFirstLoad() { |
| view_->OnLoaded(); |
| } |
| |
| void ExtensionViewHost::LoadInitialURL() { |
| if (process_util::GetPersistentBackgroundPageState(*extension(), |
| browser_context()) == |
| process_util::PersistentBackgroundPageState::kNotReady) { |
| // Make sure the background page loads before any others. |
| host_registry_observation_.Observe( |
| ExtensionHostRegistry::Get(browser_context())); |
| return; |
| } |
| |
| // Popups may spawn modal dialogs, which need positioning information. |
| if (extension_host_type() == mojom::ViewType::kExtensionPopup) { |
| web_modal::WebContentsModalDialogManager::CreateForWebContents( |
| host_contents()); |
| web_modal::WebContentsModalDialogManager::FromWebContents(host_contents()) |
| ->SetDelegate(this); |
| } |
| |
| ExtensionHost::LoadInitialURL(); |
| } |
| |
| bool ExtensionViewHost::IsBackgroundPage() const { |
| return false; |
| } |
| |
| content::WebContents* ExtensionViewHost::OpenURLFromTab( |
| content::WebContents* source, |
| const content::OpenURLParams& params) { |
| // Allowlist the dispositions we will allow to be opened. |
| switch (params.disposition) { |
| case WindowOpenDisposition::SINGLETON_TAB: |
| case WindowOpenDisposition::NEW_FOREGROUND_TAB: |
| case WindowOpenDisposition::NEW_BACKGROUND_TAB: |
| case WindowOpenDisposition::NEW_POPUP: |
| case WindowOpenDisposition::NEW_WINDOW: |
| case WindowOpenDisposition::SAVE_TO_DISK: |
| case WindowOpenDisposition::OFF_THE_RECORD: { |
| // Only allow these from hosts that are bound to a browser (e.g. popups). |
| // Otherwise they are not driven by a user gesture. |
| return browser_ ? browser_->OpenURL(params) : nullptr; |
| } |
| default: |
| return nullptr; |
| } |
| } |
| |
| bool ExtensionViewHost::ShouldAllowRendererInitiatedCrossProcessNavigation( |
| bool is_outermost_main_frame_navigation) { |
| // Block navigations that cause main frame of an extension pop-up (or |
| // background page) to navigate to non-extension content (i.e. to web |
| // content). |
| return !is_outermost_main_frame_navigation; |
| } |
| |
| content::KeyboardEventProcessingResult |
| ExtensionViewHost::PreHandleKeyboardEvent( |
| content::WebContents* source, |
| const content::NativeWebKeyboardEvent& event) { |
| if (IsEscapeInPopup(event)) |
| return content::KeyboardEventProcessingResult::NOT_HANDLED_IS_SHORTCUT; |
| |
| // Handle higher priority browser shortcuts such as ctrl-w. |
| return browser_ ? browser_->PreHandleKeyboardEvent(source, event) |
| : content::KeyboardEventProcessingResult::NOT_HANDLED; |
| } |
| |
| bool ExtensionViewHost::HandleKeyboardEvent( |
| content::WebContents* source, |
| const content::NativeWebKeyboardEvent& event) { |
| if (IsEscapeInPopup(event)) { |
| Close(); |
| return true; |
| } |
| return UnhandledKeyboardEvent(source, event); |
| } |
| |
| bool ExtensionViewHost::PreHandleGestureEvent( |
| content::WebContents* source, |
| const blink::WebGestureEvent& event) { |
| // Disable pinch zooming. |
| return blink::WebInputEvent::IsPinchGestureEventType(event.GetType()); |
| } |
| |
| void ExtensionViewHost::RunFileChooser( |
| content::RenderFrameHost* render_frame_host, |
| scoped_refptr<content::FileSelectListener> listener, |
| const blink::mojom::FileChooserParams& params) { |
| // For security reasons opening a file picker requires a visible <input> |
| // element to click on, so this code only exists for extensions with a view. |
| FileSelectHelper::RunFileChooser(render_frame_host, std::move(listener), |
| params); |
| } |
| |
| std::unique_ptr<content::EyeDropper> ExtensionViewHost::OpenEyeDropper( |
| content::RenderFrameHost* frame, |
| content::EyeDropperListener* listener) { |
| return browser_ ? browser_->OpenEyeDropper(frame, listener) : nullptr; |
| } |
| |
| void ExtensionViewHost::ResizeDueToAutoResize(content::WebContents* source, |
| const gfx::Size& new_size) { |
| view_->ResizeDueToAutoResize(source, new_size); |
| } |
| |
| void ExtensionViewHost::RenderFrameCreated( |
| content::RenderFrameHost* frame_host) { |
| ExtensionHost::RenderFrameCreated(frame_host); |
| view_->RenderFrameCreated(frame_host); |
| } |
| |
| web_modal::WebContentsModalDialogHost* |
| ExtensionViewHost::GetWebContentsModalDialogHost() { |
| return this; |
| } |
| |
| bool ExtensionViewHost::IsWebContentsVisible( |
| content::WebContents* web_contents) { |
| return platform_util::IsVisible(web_contents->GetNativeView()); |
| } |
| |
| gfx::NativeView ExtensionViewHost::GetHostView() const { |
| return view_->GetNativeView(); |
| } |
| |
| gfx::Point ExtensionViewHost::GetDialogPosition(const gfx::Size& size) { |
| auto* const web_contents = GetVisibleWebContents(); |
| const gfx::Size view_size = |
| web_contents ? web_contents->GetViewBounds().size() : gfx::Size(); |
| return gfx::Rect(view_size - size).CenterPoint(); |
| } |
| |
| gfx::Size ExtensionViewHost::GetMaximumDialogSize() { |
| auto* const web_contents = GetVisibleWebContents(); |
| return web_contents ? web_contents->GetViewBounds().size() : gfx::Size(); |
| } |
| |
| void ExtensionViewHost::AddObserver( |
| web_modal::ModalDialogHostObserver* observer) { |
| } |
| |
| void ExtensionViewHost::RemoveObserver( |
| web_modal::ModalDialogHostObserver* observer) { |
| } |
| |
| WindowController* ExtensionViewHost::GetExtensionWindowController() const { |
| return browser_ ? browser_->extension_window_controller() : nullptr; |
| } |
| |
| content::WebContents* ExtensionViewHost::GetAssociatedWebContents() const { |
| return associated_web_contents_.get(); |
| } |
| |
| content::WebContents* ExtensionViewHost::GetVisibleWebContents() const { |
| if (associated_web_contents_) |
| return associated_web_contents_.get(); |
| return (extension_host_type() == mojom::ViewType::kExtensionPopup) |
| ? host_contents() |
| : nullptr; |
| } |
| |
| void ExtensionViewHost::OnExtensionHostDocumentElementAvailable( |
| content::BrowserContext* host_browser_context, |
| ExtensionHost* extension_host) { |
| DCHECK(extension_host->extension()); |
| if (host_browser_context != browser_context() || |
| extension_host->extension() != extension() || |
| extension_host->extension_host_type() != |
| mojom::ViewType::kExtensionBackgroundPage) { |
| return; |
| } |
| |
| DCHECK_EQ(process_util::PersistentBackgroundPageState::kReady, |
| process_util::GetPersistentBackgroundPageState(*extension(), |
| browser_context())); |
| // We only needed to wait for the background page to load, so stop observing. |
| host_registry_observation_.Reset(); |
| LoadInitialURL(); |
| } |
| |
| bool ExtensionViewHost::IsEscapeInPopup( |
| const content::NativeWebKeyboardEvent& event) const { |
| return extension_host_type() == mojom::ViewType::kExtensionPopup && |
| event.GetType() == |
| content::NativeWebKeyboardEvent::Type::kRawKeyDown && |
| event.windows_key_code == ui::VKEY_ESCAPE; |
| } |
| |
| } // namespace extensions |