gecko/widget/ScreenProxy.cpp
Mason Chang 9caeb9433f Bug 1085696. Part 1 Move widget/xpwidget to /widget. r=roc
--HG--
rename : widget/xpwidgets/ContentHelper.cpp => widget/ContentHelper.cpp
rename : widget/xpwidgets/ContentHelper.h => widget/ContentHelper.h
rename : widget/xpwidgets/GfxDriverInfo.cpp => widget/GfxDriverInfo.cpp
rename : widget/xpwidgets/GfxDriverInfo.h => widget/GfxDriverInfo.h
rename : widget/xpwidgets/GfxInfoBase.cpp => widget/GfxInfoBase.cpp
rename : widget/xpwidgets/GfxInfoBase.h => widget/GfxInfoBase.h
rename : widget/xpwidgets/GfxInfoCollector.cpp => widget/GfxInfoCollector.cpp
rename : widget/xpwidgets/GfxInfoCollector.h => widget/GfxInfoCollector.h
rename : widget/xpwidgets/GfxInfoWebGL.cpp => widget/GfxInfoWebGL.cpp
rename : widget/xpwidgets/GfxInfoWebGL.h => widget/GfxInfoWebGL.h
rename : widget/xpwidgets/GfxInfoX11.cpp => widget/GfxInfoX11.cpp
rename : widget/xpwidgets/GfxInfoX11.h => widget/GfxInfoX11.h
rename : widget/xpwidgets/InputData.cpp => widget/InputData.cpp
rename : widget/xpwidgets/PuppetWidget.cpp => widget/PuppetWidget.cpp
rename : widget/xpwidgets/PuppetWidget.h => widget/PuppetWidget.h
rename : widget/xpwidgets/ScreenProxy.cpp => widget/ScreenProxy.cpp
rename : widget/xpwidgets/ScreenProxy.h => widget/ScreenProxy.h
rename : widget/shared/SharedWidgetUtils.cpp => widget/SharedWidgetUtils.cpp
rename : widget/xpwidgets/WidgetUtils.cpp => widget/WidgetUtils.cpp
rename : widget/xpwidgets/nsAppShellSingleton.h => widget/nsAppShellSingleton.h
rename : widget/xpwidgets/nsBaseAppShell.cpp => widget/nsBaseAppShell.cpp
rename : widget/xpwidgets/nsBaseAppShell.h => widget/nsBaseAppShell.h
rename : widget/xpwidgets/nsBaseClipboard.cpp => widget/nsBaseClipboard.cpp
rename : widget/xpwidgets/nsBaseClipboard.h => widget/nsBaseClipboard.h
rename : widget/xpwidgets/nsBaseDragService.cpp => widget/nsBaseDragService.cpp
rename : widget/xpwidgets/nsBaseDragService.h => widget/nsBaseDragService.h
rename : widget/xpwidgets/nsBaseFilePicker.cpp => widget/nsBaseFilePicker.cpp
rename : widget/xpwidgets/nsBaseFilePicker.h => widget/nsBaseFilePicker.h
rename : widget/xpwidgets/nsBaseScreen.cpp => widget/nsBaseScreen.cpp
rename : widget/xpwidgets/nsBaseScreen.h => widget/nsBaseScreen.h
rename : widget/xpwidgets/nsBaseWidget.cpp => widget/nsBaseWidget.cpp
rename : widget/xpwidgets/nsBaseWidget.h => widget/nsBaseWidget.h
rename : widget/xpwidgets/nsClipboardHelper.cpp => widget/nsClipboardHelper.cpp
rename : widget/xpwidgets/nsClipboardHelper.h => widget/nsClipboardHelper.h
rename : widget/xpwidgets/nsClipboardProxy.cpp => widget/nsClipboardProxy.cpp
rename : widget/xpwidgets/nsClipboardProxy.h => widget/nsClipboardProxy.h
rename : widget/xpwidgets/nsColorPickerProxy.cpp => widget/nsColorPickerProxy.cpp
rename : widget/xpwidgets/nsColorPickerProxy.h => widget/nsColorPickerProxy.h
rename : widget/xpwidgets/nsContentProcessWidgetFactory.cpp => widget/nsContentProcessWidgetFactory.cpp
rename : widget/xpwidgets/nsFilePickerProxy.cpp => widget/nsFilePickerProxy.cpp
rename : widget/xpwidgets/nsFilePickerProxy.h => widget/nsFilePickerProxy.h
rename : widget/xpwidgets/nsHTMLFormatConverter.cpp => widget/nsHTMLFormatConverter.cpp
rename : widget/xpwidgets/nsHTMLFormatConverter.h => widget/nsHTMLFormatConverter.h
rename : widget/xpwidgets/nsIWidgetListener.cpp => widget/nsIWidgetListener.cpp
rename : widget/xpwidgets/nsIdleService.cpp => widget/nsIdleService.cpp
rename : widget/xpwidgets/nsIdleService.h => widget/nsIdleService.h
rename : widget/xpwidgets/nsNativeTheme.cpp => widget/nsNativeTheme.cpp
rename : widget/xpwidgets/nsNativeTheme.h => widget/nsNativeTheme.h
rename : widget/xpwidgets/nsPrimitiveHelpers.cpp => widget/nsPrimitiveHelpers.cpp
rename : widget/xpwidgets/nsPrimitiveHelpers.h => widget/nsPrimitiveHelpers.h
rename : widget/xpwidgets/nsPrintOptionsImpl.cpp => widget/nsPrintOptionsImpl.cpp
rename : widget/xpwidgets/nsPrintOptionsImpl.h => widget/nsPrintOptionsImpl.h
rename : widget/xpwidgets/nsPrintSession.cpp => widget/nsPrintSession.cpp
rename : widget/xpwidgets/nsPrintSession.h => widget/nsPrintSession.h
rename : widget/xpwidgets/nsPrintSettingsImpl.cpp => widget/nsPrintSettingsImpl.cpp
rename : widget/xpwidgets/nsPrintSettingsImpl.h => widget/nsPrintSettingsImpl.h
rename : widget/xpwidgets/nsScreenManagerProxy.cpp => widget/nsScreenManagerProxy.cpp
rename : widget/xpwidgets/nsScreenManagerProxy.h => widget/nsScreenManagerProxy.h
rename : widget/xpwidgets/nsTransferable.cpp => widget/nsTransferable.cpp
rename : widget/xpwidgets/nsTransferable.h => widget/nsTransferable.h
rename : widget/xpwidgets/nsXPLookAndFeel.cpp => widget/nsXPLookAndFeel.cpp
rename : widget/xpwidgets/nsXPLookAndFeel.h => widget/nsXPLookAndFeel.h
2014-10-23 10:16:45 -07:00

194 lines
4.4 KiB
C++

/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 2; -*- */
/* vim: set sw=4 ts=8 et tw=80 : */
/* 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/unused.h"
#include "nsIAppShell.h"
#include "nsScreenManagerProxy.h"
#include "nsServiceManagerUtils.h"
#include "nsWidgetsCID.h"
#include "ScreenProxy.h"
namespace mozilla {
namespace widget {
using namespace mozilla::dom;
static NS_DEFINE_CID(kAppShellCID, NS_APPSHELL_CID);
ScreenProxy::ScreenProxy(nsScreenManagerProxy* aScreenManager, ScreenDetails aDetails)
: mScreenManager(aScreenManager)
, mCacheValid(false)
, mCacheWillInvalidate(false)
{
PopulateByDetails(aDetails);
}
NS_IMETHODIMP
ScreenProxy::GetId(uint32_t *outId)
{
*outId = mId;
return NS_OK;
}
NS_IMETHODIMP
ScreenProxy::GetRect(int32_t *outLeft,
int32_t *outTop,
int32_t *outWidth,
int32_t *outHeight)
{
if (!EnsureCacheIsValid()) {
return NS_ERROR_FAILURE;
}
*outLeft = mRect.x;
*outTop = mRect.y;
*outWidth = mRect.width;
*outHeight = mRect.height;
return NS_OK;
}
NS_IMETHODIMP
ScreenProxy::GetRectDisplayPix(int32_t *outLeft,
int32_t *outTop,
int32_t *outWidth,
int32_t *outHeight)
{
if (!EnsureCacheIsValid()) {
return NS_ERROR_FAILURE;
}
*outLeft = mRectDisplayPix.x;
*outTop = mRectDisplayPix.y;
*outWidth = mRectDisplayPix.width;
*outHeight = mRectDisplayPix.height;
return NS_OK;
}
NS_IMETHODIMP
ScreenProxy::GetAvailRect(int32_t *outLeft,
int32_t *outTop,
int32_t *outWidth,
int32_t *outHeight)
{
if (!EnsureCacheIsValid()) {
return NS_ERROR_FAILURE;
}
*outLeft = mAvailRect.x;
*outTop = mAvailRect.y;
*outWidth = mAvailRect.width;
*outHeight = mAvailRect.height;
return NS_OK;
}
NS_IMETHODIMP
ScreenProxy::GetAvailRectDisplayPix(int32_t *outLeft,
int32_t *outTop,
int32_t *outWidth,
int32_t *outHeight)
{
if (!EnsureCacheIsValid()) {
return NS_ERROR_FAILURE;
}
*outLeft = mAvailRectDisplayPix.x;
*outTop = mAvailRectDisplayPix.y;
*outWidth = mAvailRectDisplayPix.width;
*outHeight = mAvailRectDisplayPix.height;
return NS_OK;
}
NS_IMETHODIMP
ScreenProxy::GetPixelDepth(int32_t *aPixelDepth)
{
if (!EnsureCacheIsValid()) {
return NS_ERROR_FAILURE;
}
*aPixelDepth = mPixelDepth;
return NS_OK;
}
NS_IMETHODIMP
ScreenProxy::GetColorDepth(int32_t *aColorDepth)
{
if (!EnsureCacheIsValid()) {
return NS_ERROR_FAILURE;
}
*aColorDepth = mColorDepth;
return NS_OK;
}
void
ScreenProxy::PopulateByDetails(ScreenDetails aDetails)
{
mId = aDetails.id();
mRect = nsIntRect(aDetails.rect());
mRectDisplayPix = nsIntRect(aDetails.rectDisplayPix());
mAvailRect = nsIntRect(aDetails.availRect());
mAvailRectDisplayPix = nsIntRect(aDetails.availRectDisplayPix());
mPixelDepth = aDetails.pixelDepth();
mColorDepth = aDetails.colorDepth();
mContentsScaleFactor = aDetails.contentsScaleFactor();
}
bool
ScreenProxy::EnsureCacheIsValid()
{
if (mCacheValid) {
return true;
}
bool success = false;
// Kick off a synchronous IPC call to the parent to get the
// most up-to-date information.
ScreenDetails details;
unused << mScreenManager->SendScreenRefresh(mId, &details, &success);
if (!success) {
NS_WARNING("Updating a ScreenProxy in the child process failed on parent side.");
return false;
}
PopulateByDetails(details);
mCacheValid = true;
InvalidateCacheOnNextTick();
return true;
}
void
ScreenProxy::InvalidateCacheOnNextTick()
{
if (mCacheWillInvalidate) {
return;
}
mCacheWillInvalidate = true;
nsCOMPtr<nsIAppShell> appShell = do_GetService(kAppShellCID);
if (appShell) {
appShell->RunInStableState(
NS_NewRunnableMethod(this, &ScreenProxy::InvalidateCache)
);
} else {
// It's pretty bad news if we can't get the appshell. In that case,
// let's just invalidate the cache right away.
InvalidateCache();
}
}
void
ScreenProxy::InvalidateCache()
{
mCacheValid = false;
mCacheWillInvalidate = false;
}
} // namespace widget
} // namespace mozilla