From 298fcfe0948625a95ce04371dd643d34e6dee3ea Mon Sep 17 00:00:00 2001
From: zhangdawei40 <zhangdawei40@huawei.com>
Date: Tue, 22 Jul 2025 22:45:42 +0800
Subject: [PATCH] add interface for pagewidth

Signed-off-by: zhangdawei40 <zhangdawei40@huawei.com>
Change-Id: I67fed4521cf71d01cb56e58d23f32f98424306f1
Signed-off-by: zhangdawei40 <zhangdawei40@huawei.com>
---
 .../pattern/navigation/navigation_pattern.cpp |  1 +
 frameworks/core/pipeline/pipeline_base.cpp    | 25 +++++++++++++++++++
 frameworks/core/pipeline/pipeline_base.h      | 13 ++++++++++
 .../pipeline/pipeline_context_test_ng.cpp     | 18 +++++++++++++
 4 files changed, 57 insertions(+)

diff --git a/frameworks/core/components_ng/pattern/navigation/navigation_pattern.cpp b/frameworks/core/components_ng/pattern/navigation/navigation_pattern.cpp
index c53f19701b8..4a604118428 100644
--- a/frameworks/core/components_ng/pattern/navigation/navigation_pattern.cpp
+++ b/frameworks/core/components_ng/pattern/navigation/navigation_pattern.cpp
@@ -5195,6 +5195,7 @@ void NavigationPattern::TryForceSplitIfNeeded(const SizeF& frameSize)
     }
     forceSplitSuccess_ = forceSplitSuccess;
     forceSplitUseNavBar_ = forceSplitUseNavBar;
+    context->SetIsInForceSplitMode(forceSplitSuccess_);
     SwapNavDestinationAndPlaceHolder(true);
 }
 
diff --git a/frameworks/core/pipeline/pipeline_base.cpp b/frameworks/core/pipeline/pipeline_base.cpp
index 597d485c483..3d79e6826c8 100644
--- a/frameworks/core/pipeline/pipeline_base.cpp
+++ b/frameworks/core/pipeline/pipeline_base.cpp
@@ -200,6 +200,30 @@ uint64_t PipelineBase::GetTimeFromExternalTimer()
     return (ts.tv_sec * secToNanosec + ts.tv_nsec);
 }
 
+double PipelineBase::Vp2PxInner(double vpValue) const
+{
+    double density = GetWindowDensity();
+    if (LessOrEqual(density, 1.0)) {
+        density = GetDensity();
+    }
+    return vpValue * density;
+}
+
+double PipelineBase::GetPageWidthInner(double width) const
+{
+    if (!isInForceSplitMode_) {
+        return width;
+    }
+    // Divider Width equal to 1.0_vp
+    constexpr double HALF = 2.0;
+    return (width - Vp2PxInner(1.0)) / HALF;
+}
+
+double PipelineBase::GetPageWidth() const
+{
+    return GetPageWidthInner(rootWidth_);
+}
+
 void PipelineBase::RequestFrame()
 {
     if (window_) {
@@ -512,6 +536,7 @@ void PipelineBase::UpdateRootSizeAndScale(int32_t width, int32_t height)
         if (IsContainerModalVisible()) {
             pageWidth -= 2 * (CONTAINER_BORDER_WIDTH + CONTENT_PADDING).ConvertToPx();
         }
+        pageWidth = GetPageWidthInner(pageWidth);
         designWidthScale_ =
             windowConfig.autoDesignWidth ? density_ : pageWidth / windowConfig.designWidth;
         windowConfig.designWidthScale = designWidthScale_;
diff --git a/frameworks/core/pipeline/pipeline_base.h b/frameworks/core/pipeline/pipeline_base.h
index f0b73439071..5d88c2d11fe 100644
--- a/frameworks/core/pipeline/pipeline_base.h
+++ b/frameworks/core/pipeline/pipeline_base.h
@@ -887,6 +887,16 @@ public:
         return viewScale_;
     }
 
+    void SetIsInForceSplitMode(bool split)
+    {
+        isInForceSplitMode_ = split;
+    }
+    bool IsInForceSplitMode() const
+    {
+        return isInForceSplitMode_;
+    }
+    double GetPageWidth() const;
+
     double GetRootWidth() const
     {
         return rootWidth_;
@@ -1674,6 +1684,7 @@ protected:
     float viewScale_ = 1.0f;
     double density_ = 1.0;
     double dipScale_ = 1.0;
+    bool isInForceSplitMode_ = false;
     double rootHeight_ = 0.0;
     double rootWidth_ = 0.0;
     int32_t width_ = 0;
@@ -1759,6 +1770,8 @@ protected:
 private:
     void DumpFrontend() const;
     double ModifyKeyboardHeight(double keyboardHeight) const;
+    double Vp2PxInner(double vpValue) const;
+    double GetPageWidthInner(double width) const;
     StatusBarEventHandler statusBarBgColorEventHandler_;
     PopupEventHandler popupEventHandler_;
     MenuEventHandler menuEventHandler_;
diff --git a/test/unittest/core/pipeline/pipeline_context_test_ng.cpp b/test/unittest/core/pipeline/pipeline_context_test_ng.cpp
index fe496bb6262..8b162d68155 100644
--- a/test/unittest/core/pipeline/pipeline_context_test_ng.cpp
+++ b/test/unittest/core/pipeline/pipeline_context_test_ng.cpp
@@ -2580,5 +2580,23 @@ HWTEST_F(PipelineContextTestNg, PipelineContextTestNg128, TestSize.Level1)
     context_->SetIsTransFlag(false);
     EXPECT_FALSE(context_->isTransFlag_);
 }
+
+/**
+ * @tc.name: PipelineContextTestNg128
+ * @tc.desc: Branch: if (!isInForceSplitMode_) { => true
+ * @tc.type: FUNC
+ */
+HWTEST_F(PipelineContextTestNg, GetPageWidth001, TestSize.Level1)
+{
+    constexpr double TEST_WIDTH = 50.0;
+    bool backupIsSplit = context_->isInForceSplitMode_;
+    context_->isInForceSplitMode_ = false;
+    double backupWidth = context_->rootWidth_;
+    context_->rootWidth_ = TEST_WIDTH;
+    auto pageWidth = context_->GetPageWidth();
+    EXPECT_TRUE(NearEqual(pageWidth, TEST_WIDTH));
+    context_->isInForceSplitMode_ = backupIsSplit;
+    context_->rootWidth_ = backupWidth;
+}
 } // namespace NG
 } // namespace OHOS::Ace
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-- 
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