From 0f1e3db89f604a85d0a16c0c9ae416bf62ae99c9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=9F=B3=E5=8D=9A=E6=96=87?= <sbw@sbw.so>
Date: Mon, 22 May 2017 15:11:07 +0800
Subject: [PATCH] add snapshot widget

Change-Id: I170cca94efd60b1d18f33773626f6af92d51f1f5
---
 frame/frame.pro                             |  6 ++-
 frame/item/components/_previewcontainer.cpp | 49 ++++++++++++++++++++-
 frame/item/components/_previewcontainer.h   |  9 +++-
 frame/item/components/appsnapshot.cpp       |  7 +++
 frame/item/components/appsnapshot.h         | 14 ++++++
 5 files changed, 80 insertions(+), 5 deletions(-)
 create mode 100644 frame/item/components/appsnapshot.cpp
 create mode 100644 frame/item/components/appsnapshot.h

diff --git a/frame/frame.pro b/frame/frame.pro
index aa0e80b98..0f449ae27 100644
--- a/frame/frame.pro
+++ b/frame/frame.pro
@@ -40,7 +40,8 @@ SOURCES += main.cpp \
     dbus/dbusdockadaptors.cpp \
     item/components/previewcontainer.cpp \
     item/components/previewwidget.cpp \
-    item/components/_previewcontainer.cpp
+    item/components/_previewcontainer.cpp \
+    item/components/appsnapshot.cpp
 
 HEADERS  += \
     window/mainwindow.h \
@@ -71,7 +72,8 @@ HEADERS  += \
     dbus/dbusdockadaptors.h \
     item/components/previewcontainer.h \
     item/components/previewwidget.h \
-    item/components/_previewcontainer.h
+    item/components/_previewcontainer.h \
+    item/components/appsnapshot.h
 
 dbus_service.files += com.deepin.dde.Dock.service
 dbus_service.path = /usr/share/dbus-1/services
diff --git a/frame/item/components/_previewcontainer.cpp b/frame/item/components/_previewcontainer.cpp
index b73b5820c..932a2bec2 100644
--- a/frame/item/components/_previewcontainer.cpp
+++ b/frame/item/components/_previewcontainer.cpp
@@ -1,5 +1,8 @@
 #include "_previewcontainer.h"
 
+#define FIXED_WIDTH       200
+#define FIXED_HEIGHT      130
+
 _PreviewContainer::_PreviewContainer(QWidget *parent)
     : QWidget(parent),
 
@@ -14,7 +17,25 @@ _PreviewContainer::_PreviewContainer(QWidget *parent)
 
 void _PreviewContainer::setWindowInfos(const WindowDict &infos)
 {
-    qDebug() << infos;
+    // check removed window
+    for (auto it(m_snapshots.begin()); it != m_snapshots.end();)
+    {
+        if (!infos.contains(it.key()))
+        {
+            it.value()->deleteLater();
+            it = m_snapshots.erase(it);
+        } else {
+            ++it;
+        }
+    }
+
+    for (auto it(infos.cbegin()); it != infos.cend(); ++it)
+    {
+        if (!m_snapshots.contains(it.key()))
+            appendSnapWidget(it.key());
+    }
+
+    adjustSize();
 }
 
 void _PreviewContainer::updateLayoutDirection(const Dock::Position dockPos)
@@ -23,4 +44,30 @@ void _PreviewContainer::updateLayoutDirection(const Dock::Position dockPos)
         m_windowListLayout->setDirection(QBoxLayout::LeftToRight);
     else
         m_windowListLayout->setDirection(QBoxLayout::TopToBottom);
+
+    adjustSize();
+}
+
+void _PreviewContainer::adjustSize()
+{
+    const bool horizontal = m_windowListLayout->direction() == QBoxLayout::LeftToRight;
+    const int count = m_snapshots.size();
+
+    if (horizontal)
+    {
+        setFixedHeight(FIXED_HEIGHT);
+        setFixedWidth(FIXED_WIDTH * count);
+    } else {
+        setFixedWidth(FIXED_WIDTH);
+        setFixedHeight(FIXED_HEIGHT * count);
+    }
+}
+
+void _PreviewContainer::appendSnapWidget(const WId wid)
+{
+    AppSnapshot *snap = new AppSnapshot;
+
+    m_windowListLayout->addWidget(snap);
+
+    m_snapshots.insert(wid, snap);
 }
diff --git a/frame/item/components/_previewcontainer.h b/frame/item/components/_previewcontainer.h
index cf44831e0..97e269287 100644
--- a/frame/item/components/_previewcontainer.h
+++ b/frame/item/components/_previewcontainer.h
@@ -3,9 +3,11 @@
 
 #include <QWidget>
 #include <QBoxLayout>
+#include <QTimer>
 
 #include "dbus/dbusdockentry.h"
 #include "constants.h"
+#include "appsnapshot.h"
 
 #include <DWindowManagerHelper>
 
@@ -31,12 +33,15 @@ public slots:
     void updateLayoutDirection(const Dock::Position dockPos);
 
 private:
-    QMap<WId, QWidget *> m_windows;
+    void adjustSize();
+    void appendSnapWidget(const WId wid);
 
-    DWindowManagerHelper *m_wmHelper;
+private:
+    QMap<WId, AppSnapshot *> m_snapshots;
 
     QBoxLayout *m_windowListLayout;
 
+    DWindowManagerHelper *m_wmHelper;
 };
 
 #endif // _PREVIEWCONTAINER_H
diff --git a/frame/item/components/appsnapshot.cpp b/frame/item/components/appsnapshot.cpp
new file mode 100644
index 000000000..aa59cab22
--- /dev/null
+++ b/frame/item/components/appsnapshot.cpp
@@ -0,0 +1,7 @@
+#include "appsnapshot.h"
+
+AppSnapshot::AppSnapshot(QWidget *parent)
+    : QWidget(parent)
+{
+
+}
diff --git a/frame/item/components/appsnapshot.h b/frame/item/components/appsnapshot.h
new file mode 100644
index 000000000..6039f7e56
--- /dev/null
+++ b/frame/item/components/appsnapshot.h
@@ -0,0 +1,14 @@
+#ifndef APPSNAPSHOT_H
+#define APPSNAPSHOT_H
+
+#include <QWidget>
+
+class AppSnapshot : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit AppSnapshot(QWidget *parent = 0);
+};
+
+#endif // APPSNAPSHOT_H