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Bug 795307 - Use telemetry to report touch enabled device stats. r=nfroyd
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@ -2260,5 +2260,10 @@
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"READ_SAVED_PING_SUCCESS": {
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"kind": "boolean",
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"description": "Sucessful reading a saved ping file"
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},
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"TOUCH_ENABLED_DEVICE": {
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"kind": "boolean",
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"description": "The device supports touch input",
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"cpp_guard": "XP_WIN"
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}
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}
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@ -12,6 +12,7 @@
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#include "nsUXThemeConstants.h"
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#include "gfxFont.h"
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#include "WinUtils.h"
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#include "mozilla/Telemetry.h"
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using namespace mozilla::widget;
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using mozilla::LookAndFeel;
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@ -38,8 +39,18 @@ static int32_t GetSystemParam(long flag, int32_t def)
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return ::SystemParametersInfo(flag, 0, &value, 0) ? value : def;
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}
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static int32_t IsTouchPresent()
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{
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int32_t touchCapabilities;
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touchCapabilities = ::GetSystemMetrics(SM_DIGITIZER);
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return ((touchCapabilities & NID_READY) &&
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(touchCapabilities & (NID_EXTERNAL_TOUCH | NID_INTEGRATED_TOUCH)));
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}
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nsLookAndFeel::nsLookAndFeel() : nsXPLookAndFeel()
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{
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mozilla::Telemetry::Accumulate(mozilla::Telemetry::TOUCH_ENABLED_DEVICE,
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IsTouchPresent());
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}
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nsLookAndFeel::~nsLookAndFeel()
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@ -365,13 +376,7 @@ nsLookAndFeel::GetIntImpl(IntID aID, int32_t &aResult)
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aResult = !IsAppThemed();
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break;
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case eIntID_TouchEnabled:
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aResult = 0;
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int32_t touchCapabilities;
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touchCapabilities = ::GetSystemMetrics(SM_DIGITIZER);
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if ((touchCapabilities & NID_READY) &&
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(touchCapabilities & (NID_EXTERNAL_TOUCH | NID_INTEGRATED_TOUCH))) {
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aResult = 1;
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}
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aResult = IsTouchPresent();
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break;
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case eIntID_WindowsDefaultTheme:
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aResult = nsUXThemeData::IsDefaultWindowTheme();
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