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WebContent: Allow the WebContent process to trigger repaints

Browse source 
After layout, we may want to repaint the page, so we now listen for the
PageClient::page_did_invalidate() notification and use it to drive a
client-side repaint.

Note that an invalidation request from LibWeb makes a full roundtrip
to the WebContent client and back since the client drives painting.
This commit is contained in:
Andreas Kling 2020-06-17 18:00:18 +02:00
parent c45c5ded34
commit 0bac2ad3b3
8 changed files with 36 additions and 6 deletions
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2
Services/WebContent/ClientConnection.cpp
View file

@ -38,7 +38,7 @@ static HashMap<int, RefPtr<ClientConnection>> s_connections;
ClientConnection::ClientConnection(Core::LocalSocket& socket, int client_id)
: IPC::ClientConnection<WebContentServerEndpoint>(*this, socket, client_id)
, m_page_host(PageHost::create())
, m_page_host(PageHost::create(*this))
{
s_connections.set(client_id, *this);
}

12
Services/WebContent/PageHost.cpp
View file

@ -25,16 +25,19 @@
*/
#include "PageHost.h"
#include "ClientConnection.h"
#include <AK/SharedBuffer.h>
#include <LibGfx/Painter.h>
#include <LibGfx/SystemTheme.h>
#include <LibWeb/Frame/Frame.h>
#include <LibWeb/Layout/LayoutDocument.h>
#include <WebContent/WebContentClientEndpoint.h>
namespace WebContent {
PageHost::PageHost()
: m_page(make<Web::Page>(*this))
PageHost::PageHost(ClientConnection& client)
: m_client(client)
, m_page(make<Web::Page>(*this))
{
setup_palette();
}
@ -96,4 +99,9 @@ void PageHost::set_viewport_rect(const Gfx::IntRect& rect)
page().main_frame().set_viewport_rect(rect);
}
void PageHost::page_did_invalidate(const Gfx::IntRect& content_rect)
{
m_client.post_message(Messages::WebContentClient::DidInvalidateContentRect(content_rect));
}
}

10
Services/WebContent/PageHost.h
View file

@ -30,12 +30,14 @@
namespace WebContent {
class ClientConnection;
class PageHost : public Web::PageClient {
AK_MAKE_NONCOPYABLE(PageHost);
AK_MAKE_NONMOVABLE(PageHost);
public:
static NonnullOwnPtr<PageHost> create() { return adopt_own(*new PageHost); }
static NonnullOwnPtr<PageHost> create(ClientConnection& client) { return adopt_own(*new PageHost(client)); }
virtual ~PageHost();
Web::Page& page() { return *m_page; }
@ -47,11 +49,15 @@ public:
void set_viewport_rect(const Gfx::IntRect&);
private:
PageHost();
// ^PageHost
virtual void page_did_invalidate(const Gfx::IntRect&) override;
explicit PageHost(ClientConnection&);
Gfx::Palette palette() const;
void setup_palette();
ClientConnection& m_client;
NonnullOwnPtr<Web::Page> m_page;
RefPtr<Gfx::PaletteImpl> m_palette_impl;
};

2
Services/WebContent/WebContentClient.ipc
View file

@ -1,6 +1,6 @@
endpoint WebContentClient = 90
{
DidFinishLoad(URL url) =|
DidPaint(Gfx::IntRect content_rect, i32 shbuf_id) =|
DidInvalidateContentRect(Gfx::IntRect content_rect) =|
}