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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/ContentParent.h"
#include "mozilla/dom/TabParent.h"
#include "mozilla/Unused.h"
#include "nsIWidget.h"
#include "nsServiceManagerUtils.h"
#include "ScreenManagerParent.h"
#include "ContentProcessManager.h"
namespace mozilla {
namespace dom {
static const char *sScreenManagerContractID = "@mozilla.org/gfx/screenmanager;1";
ScreenManagerParent::ScreenManagerParent(uint32_t* aNumberOfScreens,
float* aSystemDefaultScale,
bool* aSuccess)
{
mScreenMgr = do_GetService(sScreenManagerContractID);
if (!mScreenMgr) {
MOZ_CRASH("Couldn't get nsIScreenManager from ScreenManagerParent.");
}
Unused << RecvRefresh(aNumberOfScreens, aSystemDefaultScale, aSuccess);
}
bool
ScreenManagerParent::RecvRefresh(uint32_t* aNumberOfScreens,
float* aSystemDefaultScale,
bool* aSuccess)
{
*aSuccess = false;
nsresult rv = mScreenMgr->GetNumberOfScreens(aNumberOfScreens);
if (NS_FAILED(rv)) {
return true;
}
rv = mScreenMgr->GetSystemDefaultScale(aSystemDefaultScale);
if (NS_FAILED(rv)) {
return true;
}
*aSuccess = true;
return true;
}
bool
ScreenManagerParent::RecvScreenRefresh(const uint32_t& aId,
ScreenDetails* aRetVal,
bool* aSuccess)
{
*aSuccess = false;
nsCOMPtr<nsIScreen> screen;
nsresult rv = mScreenMgr->ScreenForId(aId, getter_AddRefs(screen));
if (NS_FAILED(rv)) {
return true;
}
ScreenDetails details;
Unused << ExtractScreenDetails(screen, details);
*aRetVal = details;
*aSuccess = true;
return true;
}
bool
ScreenManagerParent::RecvGetPrimaryScreen(ScreenDetails* aRetVal,
bool* aSuccess)
{
*aSuccess = false;
nsCOMPtr<nsIScreen> screen;
nsresult rv = mScreenMgr->GetPrimaryScreen(getter_AddRefs(screen));
NS_ENSURE_SUCCESS(rv, true);
ScreenDetails details;
if (!ExtractScreenDetails(screen, details)) {
return true;
}
*aRetVal = details;
*aSuccess = true;
return true;
}
bool
ScreenManagerParent::RecvScreenForRect(const int32_t& aLeft,
const int32_t& aTop,
const int32_t& aWidth,
const int32_t& aHeight,
ScreenDetails* aRetVal,
bool* aSuccess)
{
*aSuccess = false;
nsCOMPtr<nsIScreen> screen;
nsresult rv = mScreenMgr->ScreenForRect(aLeft, aTop, aWidth, aHeight, getter_AddRefs(screen));
NS_ENSURE_SUCCESS(rv, true);
ScreenDetails details;
if (!ExtractScreenDetails(screen, details)) {
return true;
}
*aRetVal = details;
*aSuccess = true;
return true;
}
bool
ScreenManagerParent::RecvScreenForBrowser(const TabId& aTabId,
ScreenDetails* aRetVal,
bool* aSuccess)
{
*aSuccess = false;
#ifdef MOZ_VALGRIND
// Zero this so that Valgrind doesn't complain when we send it to another
// process.
memset(aRetVal, 0, sizeof(ScreenDetails));
#endif
// Find the mWidget associated with the tabparent, and then return
// the nsIScreen it's on.
ContentParent* cp = static_cast<ContentParent*>(this->Manager());
ContentProcessManager* cpm = ContentProcessManager::GetSingleton();
RefPtr<TabParent> tabParent =
cpm->GetTopLevelTabParentByProcessAndTabId(cp->ChildID(), aTabId);
if(!tabParent){
return false;
}
nsCOMPtr<nsIWidget> widget = tabParent->GetWidget();
nsCOMPtr<nsIScreen> screen;
if (widget && widget->GetNativeData(NS_NATIVE_WINDOW)) {
mScreenMgr->ScreenForNativeWidget(widget->GetNativeData(NS_NATIVE_WINDOW),
getter_AddRefs(screen));
} else {
nsresult rv = mScreenMgr->GetPrimaryScreen(getter_AddRefs(screen));
if (NS_WARN_IF(NS_FAILED(rv))) {
return true;
}
}
NS_ENSURE_TRUE(screen, true);
ScreenDetails details;
if (!ExtractScreenDetails(screen, details)) {
return true;
}
*aRetVal = details;
*aSuccess = true;
return true;
}
bool
ScreenManagerParent::ExtractScreenDetails(nsIScreen* aScreen, ScreenDetails &aDetails)
{
if (!aScreen) {
return false;
}
uint32_t id;
nsresult rv = aScreen->GetId(&id);
NS_ENSURE_SUCCESS(rv, false);
aDetails.id() = id;
nsIntRect rect;
rv = aScreen->GetRect(&rect.x, &rect.y, &rect.width, &rect.height);
NS_ENSURE_SUCCESS(rv, false);
aDetails.rect() = rect;
nsIntRect rectDisplayPix;
rv = aScreen->GetRectDisplayPix(&rectDisplayPix.x, &rectDisplayPix.y,
&rectDisplayPix.width, &rectDisplayPix.height);
NS_ENSURE_SUCCESS(rv, false);
aDetails.rectDisplayPix() = rectDisplayPix;
nsIntRect availRect;
rv = aScreen->GetAvailRect(&availRect.x, &availRect.y, &availRect.width,
&availRect.height);
NS_ENSURE_SUCCESS(rv, false);
aDetails.availRect() = availRect;
nsIntRect availRectDisplayPix;
rv = aScreen->GetAvailRectDisplayPix(&availRectDisplayPix.x,
&availRectDisplayPix.y,
&availRectDisplayPix.width,
&availRectDisplayPix.height);
NS_ENSURE_SUCCESS(rv, false);
aDetails.availRectDisplayPix() = availRectDisplayPix;
int32_t pixelDepth = 0;
rv = aScreen->GetPixelDepth(&pixelDepth);
NS_ENSURE_SUCCESS(rv, false);
aDetails.pixelDepth() = pixelDepth;
int32_t colorDepth = 0;
rv = aScreen->GetColorDepth(&colorDepth);
NS_ENSURE_SUCCESS(rv, false);
aDetails.colorDepth() = colorDepth;
double contentsScaleFactor = 1.0;
rv = aScreen->GetContentsScaleFactor(&contentsScaleFactor);
NS_ENSURE_SUCCESS(rv, false);
aDetails.contentsScaleFactor() = contentsScaleFactor;
return true;
}
void
ScreenManagerParent::ActorDestroy(ActorDestroyReason why)
{
}
} // namespace dom
} // namespace mozilla
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